summaryrefslogtreecommitdiff
path: root/src/lib/libast/misc/optget.c
diff options
context:
space:
mode:
authorIgor Pashev <pashev.igor@gmail.com>2012-06-24 22:28:35 +0000
committerIgor Pashev <pashev.igor@gmail.com>2012-06-24 22:28:35 +0000
commit3950ffe2a485479f6561c27364d3d7df5a21d124 (patch)
tree468c6e14449d1b1e279222ec32f676b0311917d2 /src/lib/libast/misc/optget.c
downloadksh-upstream.tar.gz
Imported Upstream version 93u+upstream
Diffstat (limited to 'src/lib/libast/misc/optget.c')
-rw-r--r--src/lib/libast/misc/optget.c5751
1 files changed, 5751 insertions, 0 deletions
diff --git a/src/lib/libast/misc/optget.c b/src/lib/libast/misc/optget.c
new file mode 100644
index 0000000..bd4df04
--- /dev/null
+++ b/src/lib/libast/misc/optget.c
@@ -0,0 +1,5751 @@
+/***********************************************************************
+* *
+* This software is part of the ast package *
+* Copyright (c) 1985-2012 AT&T Intellectual Property *
+* and is licensed under the *
+* Eclipse Public License, Version 1.0 *
+* by AT&T Intellectual Property *
+* *
+* A copy of the License is available at *
+* http://www.eclipse.org/org/documents/epl-v10.html *
+* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
+* *
+* Information and Software Systems Research *
+* AT&T Research *
+* Florham Park NJ *
+* *
+* Glenn Fowler <gsf@research.att.com> *
+* David Korn <dgk@research.att.com> *
+* Phong Vo <kpv@research.att.com> *
+* *
+***********************************************************************/
+#pragma prototyped
+/*
+ * Glenn Fowler
+ * AT&T Research
+ *
+ * command line option parser and usage formatter
+ * its a monster but its all in one place
+ * widen your window while you're at it
+ */
+
+#include <optlib.h>
+#include <debug.h>
+#include <ccode.h>
+#include <ctype.h>
+#include <errno.h>
+
+#define KEEP "*[A-Za-z][A-Za-z]*"
+#define OMIT "*@(\\[[-+]*\\?*\\]|\\@\\(#\\)|Copyright \\(c\\)|\\$\\I\\d\\: )*"
+
+#define GO '{' /* group nest open */
+#define OG '}' /* group nest close */
+
+#define OPT_WIDTH 80 /* default help text width */
+#define OPT_MARGIN 10 /* default help text margin */
+#define OPT_USAGE 7 /* usage continuation indent */
+
+#define OPT_flag 0x001 /* flag ( 0 or 1 ) */
+#define OPT_hidden 0x002 /* remaining are hidden */
+#define OPT_ignorecase 0x004 /* arg match ignores case */
+#define OPT_invert 0x008 /* flag inverts long sense */
+#define OPT_listof 0x010 /* arg is ' ' or ',' list */
+#define OPT_number 0x020 /* arg is strtonll() number */
+#define OPT_oneof 0x040 /* arg may be set once */
+#define OPT_optional 0x080 /* arg is optional */
+#define OPT_string 0x100 /* arg is string */
+
+#define OPT_preformat 0001 /* output preformat string */
+#define OPT_proprietary 0002 /* proprietary docs */
+
+#define OPT_TYPE (OPT_flag|OPT_number|OPT_string)
+
+#define STYLE_posix 0 /* posix getopt usage */
+#define STYLE_short 1 /* [default] short usage */
+#define STYLE_long 2 /* long usage */
+#define STYLE_match 3 /* long description of matches */
+#define STYLE_options 4 /* short and long descriptions */
+#define STYLE_man 5 /* pretty details */
+#define STYLE_html 6 /* html details */
+#define STYLE_nroff 7 /* nroff details */
+#define STYLE_api 8 /* program details */
+#define STYLE_keys 9 /* translation key strings */
+#define STYLE_usage 10 /* escaped usage string */
+
+#define FONT_BOLD 1
+#define FONT_ITALIC 2
+#define FONT_LITERAL 4
+
+#define HELP_head 0x01
+#define HELP_index 0x02
+
+#define TAG_NONE 0
+#define TAG_DIV 1
+#define TAG_DL 2
+
+#define SEP(c) ((c)=='-'||(c)=='_')
+
+typedef struct Attr_s
+{
+ const char* name;
+ int flag;
+} Attr_t;
+
+typedef struct Help_s
+{
+ const char* match; /* builtin help match name */
+ const char* name; /* builtin help name */
+ int style; /* STYLE_* */
+ const char* text; /* --? text */
+ unsigned int size; /* strlen text */
+} Help_t;
+
+typedef struct Font_s
+{
+ const char* html[2];
+ const char* nroff[2];
+ const char* term[2];
+} Font_t;
+
+typedef struct List_s
+{
+ int type; /* { - + : } */
+ const char* name; /* list name */
+ const char* text; /* help text */
+} List_t;
+
+typedef struct Msg_s
+{
+ const char* text; /* default message text */
+ Dtlink_t link; /* cdt link */
+} Msg_t;
+
+typedef struct Save_s
+{
+ Dtlink_t link; /* cdt link */
+ char text[1]; /* saved text text */
+} Save_t;
+
+typedef struct Push_s
+{
+ struct Push_s* next; /* next string */
+ char* ob; /* next char in old string */
+ char* oe; /* end of old string */
+ char* nb; /* next char in new string */
+ char* ne; /* end of new string */
+ int ch; /* localize() translation */
+} Push_t;
+
+typedef struct Tag_s
+{
+ unsigned char level; /* indent level */
+ unsigned char id; /* TAG_* id */
+} Tag_t;
+
+typedef struct Indent_s
+{
+ int stop; /* tab column position */
+} Indent_t;
+
+static Indent_t indent[] =
+{
+ 0,2, 4,10, 12,18, 20,26, 28,34, 36,42, 44,50, 0,0
+};
+
+static const char* end[] =
+{
+ "", "</DIV>\n", "</DL>\n"
+};
+
+static const char term_off[] = {CC_esc,'[','0','m',0};
+static const char term_B_on[] = {CC_esc,'[','1','m',0};
+static const char term_I_on[] = {CC_esc,'[','1',';','4','m',0};
+
+static const Font_t fonts[] =
+{
+ "", "", "", "", "", "",
+ "</B>", "<B>", "\\fP", "\\fB", &term_off[0], &term_B_on[0],
+ "</I>", "<I>", "\\fP", "\\fI", &term_off[0], &term_I_on[0],
+ "", "", "", "", "", "",
+ "</TT>","<TT>","\\fP", "\\f5", "", "",
+};
+
+static char native[] = "";
+
+static unsigned char map[UCHAR_MAX];
+
+static Optstate_t state;
+
+#if !_PACKAGE_astsa
+
+#define ID ast.id
+
+#define C(s) ERROR_catalog(s)
+#define D(s) (state.msgdict && dtmatch(state.msgdict, (s)))
+#define T(i,c,m) (X(c)?translate(i,c,C(m)):(m))
+#define X(c) (ERROR_translating()&&(c)!=native)
+#define Z(x) C(x),sizeof(x)-1
+
+/*
+ * translate with C_LC_MESSAGES_libast[] check
+ */
+
+static char*
+translate(const char* cmd, const char* cat, const char* msg)
+{
+ if (!X(cat))
+ return (char*)msg;
+ if (cat != (const char*)ID && D(msg))
+ cat = (const char*)ID;
+ return errorx(NiL, cmd, cat, msg);
+}
+
+#else
+
+static char ID[] = "ast";
+
+#define C(s) s
+#define D(s) (state.msgdict && dtmatch(state.msgdict, (s)))
+#define T(i,c,m) m
+#define X(c) 0
+#define Z(x) C(x),sizeof(x)-1
+
+#endif
+
+static const List_t help_head[] =
+{
+ '-', 0,
+ 0,
+ '+', C("NAME"),
+ C("options available to all \bast\b commands"),
+ '+', C("DESCRIPTION"),
+ C("\b-?\b and \b--?\b* options are the same \
+for all \bast\b commands. For any \aitem\a below, if \b--\b\aitem\a is not \
+supported by a given command then it is equivalent to \b--\?\?\b\aitem\a. The \
+\b--\?\?\b form should be used for portability. All output is written to the \
+standard error."),
+};
+
+static const Help_t styles[] =
+{
+ C("about"), "-", STYLE_match,
+ Z("List all implementation info."),
+ C("api"), "?api", STYLE_api,
+ Z("List detailed info in program readable form."),
+ C("help"), "", -1,
+ Z("List detailed help option info."),
+ C("html"), "?html", STYLE_html,
+ Z("List detailed info in html."),
+ C("keys"), "?keys", STYLE_keys,
+ Z("List the usage translation key strings with C style escapes."),
+ C("long"), "?long", STYLE_long,
+ Z("List long option usage."),
+ C("man"), "?man", STYLE_man,
+ Z("List detailed info in displayed man page form."),
+ C("nroff"), "?nroff", STYLE_nroff,
+ Z("List detailed info in nroff."),
+ C("options"), "?options", STYLE_options,
+ Z("List short and long option details."),
+ C("posix"), "?posix", STYLE_posix,
+ Z("List posix getopt usage."),
+ C("short"), "?short", STYLE_short,
+ Z("List short option usage."),
+ C("usage"), "?usage", STYLE_usage,
+ Z("List the usage string with C style escapes."),
+};
+
+static const List_t help_tail[] =
+{
+ ':', C("\?\?-\alabel\a"),
+ C("List implementation info matching \alabel\a*."),
+ ':', C("\?\?\aname\a"),
+ C("Equivalent to \b--help=\b\aname\a."),
+ ':', C("\?\?"),
+ C("Equivalent to \b--\?\?options\b."),
+ ':', C("\?\?\?\?"),
+ C("Equivalent to \b--\?\?man\b."),
+ ':', C("\?\?\?\?\?\?"),
+ C("Equivalent to \b--\?\?help\b."),
+ ':', C("\?\?\?\?\?\?\aitem\a"),
+ C("If the next argument is \b--\b\aoption\a then list \
+the \aoption\a output in the \aitem\a style. Otherwise print \
+\bversion=\b\an\a where \an\a>0 if \b--\?\?\b\aitem\a is supported, \b0\b \
+if not."),
+ ':', C("\?\?\?\?\?\?ESC"),
+ C("Emit escape codes even if output is not a terminal."),
+ ':', C("\?\?\?\?\?\?MAN[=\asection\a]]"),
+ C("List the \bman\b(1) section title for \asection\a [the \
+current command]]."),
+ ':', C("\?\?\?\?\?\?SECTION"),
+ C("List the \bman\b(1) section number for the current command."),
+ ':', C("\?\?\?\?\?\?TEST"),
+ C("Massage the output for regression testing."),
+};
+
+static const Attr_t attrs[] =
+{
+ "flag", OPT_flag,
+ "hidden", OPT_hidden,
+ "ignorecase", OPT_ignorecase,
+ "invert", OPT_invert,
+ "listof", OPT_listof,
+ "number", OPT_number,
+ "oneof", OPT_oneof,
+ "optional", OPT_optional,
+ "string", OPT_string,
+};
+
+static const char unknown[] = C("unknown option or attribute");
+
+static const char* heading[] =
+{
+ C("INDEX"),
+ C("USER COMMANDS"),
+ C("SYSTEM LIBRARY"),
+ C("USER LIBRARY"),
+ C("FILE FORMATS"),
+ C("MISCELLANEOUS"),
+ C("GAMES and DEMOS"),
+ C("SPECIAL FILES"),
+ C("ADMINISTRATIVE COMMANDS"),
+ C("GUIs"),
+};
+
+/*
+ * list of common man page strings
+ * NOTE: add but do not delete from this table
+ */
+
+static Msg_t C_LC_MESSAGES_libast[] =
+{
+ { C("APPLICATION USAGE") },
+ { C("ASYNCHRONOUS EVENTS") },
+ { C("BUGS") },
+ { C("CAVEATS") },
+ { C("CONSEQUENCES OF ERRORS") },
+ { C("DESCRIPTION") },
+ { C("ENVIRONMENT VARIABLES") },
+ { C("EXAMPLES") },
+ { C("EXIT STATUS") },
+ { C("EXTENDED DESCRIPTION") },
+ { C("INPUT FILES") },
+ { C("LIBRARY") },
+ { C("NAME") },
+ { C("OPERANDS") },
+ { C("OPTIONS") },
+ { C("OUTPUT FILES") },
+ { C("PLUGIN") },
+ { C("SEE ALSO") },
+ { C("STDERR") },
+ { C("STDIN") },
+ { C("STDOUT") },
+ { C("SYNOPSIS") },
+ { C("author") },
+ { C("copyright") },
+ { C("license") },
+ { C("name") },
+ { C("path") },
+ { C("version") },
+};
+
+/*
+ * 2007-03-19 move opt_info from _opt_info_ to (*_opt_data_)
+ * to allow future Opt_t growth
+ * by 2009 _opt_info_ can be static
+ */
+
+#if _BLD_ast && defined(__EXPORT__)
+#define extern extern __EXPORT__
+#endif
+
+extern Opt_t _opt_info_;
+
+Opt_t _opt_info_ = { 0,0,0,0,0,0,0,{0},{0},0,0,0,{0},{0},&state };
+
+#undef extern
+
+__EXTERN__(Opt_t, _opt_info_);
+
+__EXTERN__(Opt_t*, _opt_infop_);
+
+Opt_t* _opt_infop_ = &_opt_info_;
+
+Optstate_t*
+optstate(Opt_t* p)
+{
+ return &state;
+}
+
+#if DEBUG || _BLD_DEBUG
+
+/*
+ * debug usage string segment format
+ */
+
+static char*
+show(register char* s)
+{
+ register int c;
+ register char* t;
+ register char* e;
+
+ static char buf[32];
+
+ if (!s)
+ return "(null)";
+ t = buf;
+ e = buf + sizeof(buf) - 2;
+ while (t < e)
+ {
+ switch (c = *s++)
+ {
+ case 0:
+ goto done;
+ case '\a':
+ *t++ = '\\';
+ c = 'a';
+ break;
+ case '\b':
+ *t++ = '\\';
+ c = 'b';
+ break;
+ case '\f':
+ *t++ = '\\';
+ c = 'f';
+ break;
+ case '\n':
+ *t++ = '\\';
+ c = 'n';
+ break;
+ case '\t':
+ *t++ = '\\';
+ c = 't';
+ break;
+ case '\v':
+ *t++ = '\\';
+ c = 'v';
+ break;
+ }
+ *t++ = c;
+ }
+ done:
+ *t = 0;
+ return buf;
+}
+
+#endif
+
+typedef struct Section_s
+{
+ const char section[4];
+ const char* name;
+} Section_t;
+
+static const Section_t sections[] =
+{
+ "1M", "MAKE ASSERTION OPERATORS AND RULES",
+ "1", "USER COMMANDS",
+ "2", "SYSTEM CALLS",
+ "3F", "FORTRAN LIBRARY ROUTINES",
+ "3K", "KERNEL VM LIBRARY FUNCTIONS",
+ "3L", "LIGHTWEIGHT PROCESSES LIBRARY",
+ "3M", "MATHEMATICAL LIBRARY",
+ "3N", "NETWORK FUNCTIONS",
+ "3R", "RPC SERVICES LIBRARY",
+ "3S", "STANDARD I/O FUNCTIONS",
+ "3V", "SYSTEM V LIBRARY",
+ "3", "C LIBRARY FUNCTIONS",
+ "4F", "PROTOCOL FAMILIES",
+ "4P", "PROTOCOLS",
+ "4", "DEVICES AND NETWORK INTERFACES",
+ "5P", "PLUGINS",
+ "5", "FILE FORMATS",
+ "6", "GAMES AND DEMOS",
+ "7", "PUBLIC FILES AND TABLES",
+ "8", "ADMINISTRATIVE COMMANDS",
+ "L", "LOCAL COMMANDS",
+};
+
+/*
+ * return section name given abbreviation
+ */
+
+static char*
+secname(char* section)
+{
+ int i;
+ char* b;
+ char* t;
+ const char* s;
+
+ b = t = fmtbuf(64);
+ if (section[1])
+ {
+ switch (section[2] ? section[2] : section[1])
+ {
+ case 'C':
+ s = "COMPATIBILITY ";
+ break;
+ case 'U':
+ s = "UWIN ";
+ break;
+ case 'X':
+ s = "MISCELLANEOUS ";
+ break;
+ default:
+ s = 0;
+ break;
+ }
+ if (s)
+ t = strcopy(t, s);
+ }
+ s = 0;
+ for (i = 0; i < elementsof(sections); i++)
+ if (section[0] == sections[i].section[0] && (section[1] == sections[i].section[1] || !sections[i].section[1]))
+ {
+ s = sections[i].name;
+ break;
+ }
+ if (!s)
+ {
+ t = strcopy(t, "SECTION ");
+ s = section;
+ }
+ strcopy(t, s);
+ return b;
+}
+
+/*
+ * pop the push stack
+ */
+
+static Push_t*
+pop(register Push_t* psp)
+{
+ register Push_t* tsp;
+
+ while (tsp = psp)
+ {
+ psp = psp->next;
+ free(tsp);
+ }
+ return 0;
+}
+
+/*
+ * skip over line space to the next token
+ */
+
+static char*
+next(register char* s, int version)
+{
+ register char* b;
+
+ while (*s == '\t' || *s == '\r' || version >= 1 && *s == ' ')
+ s++;
+ if (*s == '\n')
+ {
+ b = s;
+ while (*++s == ' ' || *s == '\t' || *s == '\r');
+ if (*s == '\n')
+ return b;
+ }
+ return s;
+}
+
+/*
+ * skip to t1 or t2 or t3, whichever first, in s
+ * n==0 outside [...]
+ * n==1 inside [...] before ?
+ * n==2 inside [...] after ?
+ * b==0 outside {...}
+ * b==1 inside {...}
+ * past skips past the terminator to the next token
+ * otherwise a pointer to the terminator is returned
+ *
+ * ]] for ] inside [...]
+ * ?? for ? inside [...] before ?
+ * :: for : inside [...] before ?
+ */
+
+static char*
+skip(register char* s, register int t1, register int t2, register int t3, register int n, register int b, int past, int version)
+{
+ register int c;
+ register int on = n;
+ register int ob = b;
+
+ if (version < 1)
+ {
+ n = n >= 1;
+ for (;;)
+ {
+ switch (*s++)
+ {
+ case 0:
+ break;
+ case '[':
+ n++;
+ continue;
+ case ']':
+ if (--n <= 0)
+ break;
+ continue;
+ default:
+ continue;
+ }
+ break;
+ }
+ }
+ else while (c = *s++)
+ {
+ message((-22, "optget: skip t1=%c t2=%c t3=%c n=%d b=%d `%s'", t1 ? t1 : '@', t2 ? t2 : '@', t3 ? t3 : '@', n, b, show(s - 1)));
+ if (c == '[')
+ {
+ if (!n)
+ n = 1;
+ }
+ else if (c == ']')
+ {
+ if (n)
+ {
+ if (*s == ']')
+ s++;
+ else if (on == 1)
+ break;
+ else
+ n = 0;
+ }
+ }
+ else if (c == GO)
+ {
+ if (n == 0)
+ b++;
+ }
+ else if (c == OG)
+ {
+ if (n == 0 && b-- == ob)
+ break;
+ }
+ else if (c == '?')
+ {
+ if (n == 1)
+ {
+ if (*s == '?')
+ s++;
+ else
+ {
+ if (n == on && (c == t1 || c == t2 || c == t3))
+ break;
+ n = 2;
+ }
+ }
+ }
+ else if (n == on && (c == t1 || c == t2 || c == t3))
+ {
+ if (n == 1 && c == ':' && *s == c)
+ s++;
+ else
+ break;
+ }
+ }
+ return past && *(s - 1) ? next(s, version) : s - 1;
+}
+
+/*
+ * *s points to '(' on input
+ * return is one past matching ')'
+ */
+
+static char*
+nest(register char* s)
+{
+ int n;
+
+ n = 0;
+ for (;;)
+ {
+ switch (*s++)
+ {
+ case '(':
+ n++;
+ continue;
+ case ')':
+ if (!--n)
+ break;
+ continue;
+ default:
+ continue;
+ }
+ break;
+ }
+ return s;
+}
+
+/*
+ * match s with t
+ * t translated if possible
+ * embedded { - _ ' } ignored
+ * * separates required prefix from optional suffix
+ * otherwise prefix match
+ */
+
+static int
+match(char* s, char* t, int version, const char* id, const char* catalog)
+{
+ register char* w;
+ register char* x;
+ char* xw;
+ char* ww;
+ int n;
+ int v;
+ int j;
+
+ for (n = 0; n < 2; n++)
+ {
+ if (n)
+ x = t;
+ else
+ {
+ if (catalog)
+ {
+ w = skip(t, ':', '?', 0, 1, 0, 0, version);
+ w = sfprints("%-.*s", w - t, t);
+ x = T(id, catalog, w);
+ if (x == w)
+ continue;
+ }
+ x = T(NiL, ID, t);
+ if (x == t)
+ continue;
+ }
+ do
+ {
+ v = 0;
+ xw = x;
+ w = ww = s;
+ while (*x && *w)
+ {
+ if (isupper(*x))
+ xw = x;
+ if (isupper(*w))
+ ww = w;
+ if (*x == '*' && !v++ || *x == '\a')
+ {
+ if (*x == '\a')
+ do
+ {
+ if (!*++x)
+ {
+ x--;
+ break;
+ }
+ } while (*x != '\a');
+ j = *(x + 1);
+ if (j == ':' || j == '|' || j == '?' || j == ']' || j == 0)
+ while (*w)
+ w++;
+ }
+ else if (SEP(*x))
+ xw = ++x;
+ else if (SEP(*w) && w != s)
+ ww = ++w;
+ else if (*x == *w)
+ {
+ x++;
+ w++;
+ }
+ else if (w == ww && x == xw)
+ break;
+ else
+ {
+ if (x != xw)
+ {
+ while (*x && !SEP(*x) && !isupper(*x))
+ x++;
+ if (!*x)
+ break;
+ if (SEP(*x))
+ x++;
+ xw = x;
+ }
+ while (w > ww && *w != *x)
+ w--;
+ }
+ }
+ if (!*w)
+ {
+ if (!v)
+ {
+ for (;;)
+ {
+ switch (*x++)
+ {
+ case 0:
+ case ':':
+ case '|':
+ case '?':
+ case ']':
+ return 1;
+ case '*':
+ break;
+ default:
+ continue;
+ }
+ break;
+ }
+ break;
+ }
+ return 1;
+ }
+ } while (*(x = skip(x, '|', 0, 0, 1, 0, 0, version)) == '|' && x++);
+ }
+ return 0;
+}
+
+/*
+ * prefix search for s in tab with num elements of size
+ * with optional translation
+ */
+
+static void*
+search(const void* tab, size_t num, size_t siz, char* s)
+{
+ register char* p;
+ register char* e;
+
+ for (e = (p = (char*)tab) + num * siz; p < e; p += siz)
+ if (match(s, *((char**)p), -1, NiL, NiL))
+ return (void*)p;
+ return 0;
+}
+
+/*
+ * save ap+bp+cp and return the saved pointer
+ */
+
+static char*
+save(const char* ap, size_t az, const char* bp, size_t bz, const char* cp, size_t cz)
+{
+ char* b;
+ char* e;
+ const char* ep;
+ Save_t* p;
+ Dtdisc_t* d;
+ char buf[1024];
+
+ static Dt_t* dict;
+
+ if (!dict)
+ {
+ if (!(d = newof(0, Dtdisc_t, 1, 0)))
+ return (char*)ap;
+ d->key = offsetof(Save_t, text);
+ if (!(dict = dtopen(d, Dtset)))
+ return (char*)ap;
+ }
+ b = buf;
+ e = b + sizeof(buf) - 1;
+ for (ep = ap + az; b < e && ap < ep; *b++ = *ap++);
+ if (bp)
+ {
+ for (ep = bp + bz; b < e && bp < ep; *b++ = *bp++);
+ if (cp)
+ for (ep = cp + cz; b < e && cp < ep; *b++ = *cp++);
+ }
+ *b = 0;
+ if (!(p = (Save_t*)dtmatch(dict, buf)))
+ {
+ if (!(p = newof(0, Save_t, 1, b - buf)))
+ return (char*)ap;
+ strcpy(p->text, buf);
+ dtinsert(dict, p);
+ }
+ return p->text;
+}
+
+/*
+ * expand \f...\f info
+ * *p set to next char after second \f
+ * expanded value returned
+ */
+
+static char*
+expand(register char* s, register char* e, char** p, Sfio_t* ip, char* id)
+{
+ register int c;
+ register char* b = s;
+ int n;
+
+ n = sfstrtell(ip);
+ c = 1;
+ while ((!e || s < e) && (c = *s++) && c != '\f');
+ sfwrite(ip, b, s - b - 1);
+ sfputc(ip, 0);
+ b = sfstrbase(ip) + n;
+ n = sfstrtell(ip);
+ if (!c)
+ s--;
+ if (*b == '?')
+ {
+ if (!*++b || streq(b, "NAME"))
+ {
+ if (!(b = id))
+ b = "command";
+ sfstrseek(ip, 0, SEEK_SET);
+ sfputr(ip, b, -1);
+ n = 0;
+ }
+ else
+ n = 1;
+ }
+ else if (!opt_info.disc || !opt_info.disc->infof || (*opt_info.disc->infof)(&opt_info, ip, b, opt_info.disc) < 0)
+ n = 0;
+ *p = s;
+ if (s = sfstruse(ip))
+ s += n;
+ else
+ s = "error";
+ return s;
+}
+
+/*
+ * initialize the translation dictionary and flag maps
+ */
+
+static void
+initdict(void)
+{
+ register int n;
+
+ state.vp = sfstropen();
+ state.msgdisc.key = offsetof(Msg_t, text);
+ state.msgdisc.size = -1;
+ state.msgdisc.link = offsetof(Msg_t, link);
+ if (state.msgdict = dtopen(&state.msgdisc, Dtset))
+ for (n = 0; n < elementsof(C_LC_MESSAGES_libast); n++)
+ dtinsert(state.msgdict, C_LC_MESSAGES_libast + n);
+}
+
+/*
+ * initialize the attributes for pass p from opt string s
+ */
+
+static int
+init(register char* s, Optpass_t* p)
+{
+ register char* t;
+ register char* u;
+ register int c;
+ register int a;
+ register int n;
+ char* e;
+ int l;
+
+ if (!state.localized)
+ {
+ state.localized = 1;
+#if !_PACKAGE_astsa
+ if (!ast.locale.serial)
+ setlocale(LC_ALL, "");
+#endif
+ state.xp = sfstropen();
+ if (!map[OPT_FLAGS[0]])
+ for (n = 0, t = OPT_FLAGS; *t; t++)
+ map[*t] = ++n;
+ }
+#if _BLD_DEBUG
+ error(-1, "optget debug");
+#endif
+ p->oopts = s;
+ p->version = 0;
+ p->prefix = 2;
+ p->section[0] = '1';
+ p->section[1] = 0;
+ p->flags = 0;
+ p->id = error_info.id;
+ p->catalog = 0;
+ s = next(s, 0);
+ if (*s == ':')
+ s++;
+ if (*s == '+')
+ s++;
+ s = next(s, 0);
+ if (*s++ == '[')
+ {
+ if (*s == '+')
+ p->version = 1;
+ else if (*s++ == '-')
+ {
+ if (*s == '?' || *s == ']')
+ p->version = 1;
+ else
+ {
+ if (!isdigit(*s))
+ p->version = 1;
+ else
+ while (isdigit(*s))
+ p->version = p->version * 10 + (*s++ - '0');
+ while (*s && *s != ']')
+ {
+ if ((c = *s++) == '?')
+ {
+ p->release = s;
+ while (*s && *s != ']')
+ if (isspace(*s++))
+ p->release = s;
+ break;
+ }
+ else if (!isdigit(*s))
+ n = 1;
+ else
+ {
+ n = 0;
+ while (isdigit(*s))
+ n = n * 10 + (*s++ - '0');
+ }
+ switch (c)
+ {
+ case '+':
+ p->flags |= OPT_plus;
+ break;
+ case 'a':
+ p->flags |= OPT_append;
+ break;
+ case 'c':
+ p->flags |= OPT_cache;
+ break;
+ case 'i':
+ p->flags |= OPT_ignore;
+ break;
+ case 'l':
+ p->flags |= OPT_long;
+ break;
+ case 'm':
+ p->flags |= OPT_module;
+ break;
+ case 'n':
+ p->flags |= OPT_numeric;
+ break;
+ case 'o':
+ p->flags |= OPT_old;
+ break;
+ case 'p':
+ p->prefix = n;
+ break;
+ case 's':
+ if (n > 1 && n < 5)
+ {
+ p->flags |= OPT_functions;
+ p->prefix = 0;
+ }
+ p->section[0] = '0' + (n % 10);
+ n = 1;
+ if (isupper(*s))
+ p->section[n++] = *s++;
+ if (isupper(*s))
+ p->section[n++] = *s++;
+ p->section[n] = 0;
+ break;
+ }
+ }
+ }
+ }
+ while (*s)
+ if (*s++ == ']')
+ {
+ while (isspace(*s))
+ s++;
+ if (*s++ == '[')
+ {
+ if (*s++ != '-')
+ {
+ l = 0;
+ if (strneq(s - 1, "+NAME?", 6) && (s += 5) || strneq(s - 1, "+LIBRARY?", 9) && (s += 8) && (l = 1) || strneq(s - 1, "+PLUGIN?", 8) && (s += 7) && (l = 1))
+ {
+ for (; *s == '\a' || *s == '\b' || *s == '\v' || *s == ' '; s++);
+ if (*s == '\f')
+ {
+ if (*(s + 1) == '?' && *(s + 2) == '\f')
+ break;
+ s = expand(s + 1, NiL, &e, state.xp, p->id);
+ }
+ for (t = s; *t && *t != ' ' && *t != ']'; t++);
+ if (t > s)
+ {
+ u = t;
+ if (*(t - 1) == '\a' || *(t - 1) == '\b' || *(t - 1) == '\v')
+ t--;
+ if (t > s)
+ {
+ while (*u == ' ' || *u == '\\')
+ u++;
+ if (*u == '-' || *u == ']')
+ {
+ if (!l)
+ p->id = save(s, t - s, 0, 0, 0, 0);
+ else if ((a = strlen(p->id)) <= (n = t - s) || strncmp(p->id + a - n, s, n) || *(p->id + a - n - 1) != ':')
+ p->id = save(p->id, strlen(p->id), "::", 2, s, t - s);
+ }
+ }
+ }
+ }
+ break;
+ }
+ if (*s == '-')
+ s++;
+ if (strneq(s, "catalog?", 8))
+ p->catalog = s += 8;
+ }
+ }
+ }
+ if (!error_info.id)
+ {
+ if (!(error_info.id = p->id))
+ p->id = "command";
+ }
+ else if (p->id == error_info.id)
+ p->id = save(p->id, strlen(p->id), 0, 0, 0, 0);
+ if (s = p->catalog)
+ p->catalog = ((t = strchr(s, ']')) && (!p->id || (t - s) != strlen(p->id) || !strneq(s, p->id, t - s))) ? save(s, t - s, 0, 0, 0, 0) : (char*)0;
+ if (!p->catalog)
+ {
+ if (opt_info.disc && opt_info.disc->catalog && (!p->id || !streq(opt_info.disc->catalog, p->id)))
+ p->catalog = opt_info.disc->catalog;
+ else
+ p->catalog = ID;
+ }
+ s = p->oopts;
+ if (*s == ':')
+ s++;
+ if (*s == '+')
+ {
+ s++;
+ p->flags |= OPT_plus;
+ }
+ s = next(s, 0);
+ if (*s != '[')
+ for (t = s, a = 0; *t; t++)
+ if (!a && *t == '-')
+ {
+ p->flags |= OPT_minus;
+ break;
+ }
+ else if (*t == '[')
+ a++;
+ else if (*t == ']')
+ a--;
+ if (!p->version && (t = strchr(s, '(')) && strchr(t, ')') && (state.cp || (state.cp = sfstropen())))
+ {
+ /*
+ * solaris long option compatibility
+ */
+
+ p->version = 1;
+ for (t = p->oopts; t < s; t++)
+ sfputc(state.cp, *t);
+ n = t - p->oopts;
+ sfputc(state.cp, '[');
+ sfputc(state.cp, '-');
+ sfputc(state.cp, ']');
+ c = *s++;
+ while (c)
+ {
+ sfputc(state.cp, '[');
+ sfputc(state.cp, c);
+ if (a = (c = *s++) == ':')
+ c = *s++;
+ if (c == '(')
+ {
+ sfputc(state.cp, ':');
+ for (;;)
+ {
+ while ((c = *s++) && c != ')')
+ sfputc(state.cp, c);
+ if (!c || (c = *s++) != '(')
+ break;
+ sfputc(state.cp, '|');
+ }
+ }
+ sfputc(state.cp, ']');
+ if (a)
+ sfputr(state.cp, ":[string]", -1);
+ }
+ if (!(p->oopts = s = sfstruse(state.cp)))
+ return -1;
+ s += n;
+ }
+ p->opts = s;
+ message((-1, "version=%d prefix=%d section=%s flags=%04x id=%s catalog=%s oopts=%p", p->version, p->prefix, p->section, p->flags, p->id, p->catalog, p->oopts));
+ return 0;
+}
+
+/*
+ * return the bold set/unset sequence for style
+ */
+
+static const char*
+font(int f, int style, int set)
+{
+ switch (style)
+ {
+ case STYLE_html:
+ return fonts[f].html[set];
+ case STYLE_nroff:
+ return fonts[f].nroff[set];
+ case STYLE_short:
+ case STYLE_long:
+ case STYLE_posix:
+ case STYLE_api:
+ break;
+ default:
+ if (state.emphasis > 0)
+ return fonts[f].term[set];
+ break;
+ }
+ return "";
+}
+
+/*
+ * push \f...\f info
+ */
+
+static Push_t*
+info(Push_t* psp, char* s, char* e, Sfio_t* ip, char* id)
+{
+ register char* b;
+ int n;
+ Push_t* tsp;
+
+ static Push_t push;
+
+ b = expand(s, e, &s, ip, id);
+ n = strlen(b);
+ if (tsp = newof(0, Push_t, 1, n + 1))
+ {
+ tsp->nb = (char*)(tsp + 1);
+ tsp->ne = tsp->nb + n;
+ strcpy(tsp->nb, b);
+ }
+ else
+ tsp = &push;
+ tsp->next = psp;
+ tsp->ob = s;
+ tsp->oe = e;
+ return tsp;
+}
+
+/*
+ * push translation
+ */
+
+static Push_t*
+localize(Push_t* psp, char* s, char* e, int term, int n, Sfio_t* ip, int version, char* id, char* catalog)
+{
+ char* t;
+ char* u;
+ Push_t* tsp;
+ int c;
+
+ t = skip(s, term, 0, 0, n, 0, 0, version);
+ if (e && t > e)
+ t = e;
+ while (s < t)
+ {
+ switch (c = *s++)
+ {
+ case ':':
+ case '?':
+ if (term && *s == c)
+ s++;
+ break;
+ case ']':
+ if (*s == c)
+ s++;
+ break;
+ }
+ sfputc(ip, c);
+ }
+ if (!(s = sfstruse(ip)) || (u = T(id, catalog, s)) == s)
+ return 0;
+ n = strlen(u);
+ if (tsp = newof(0, Push_t, 1, n + 1))
+ {
+ tsp->nb = (char*)(tsp + 1);
+ tsp->ne = tsp->nb + n;
+ strcpy(tsp->nb, u);
+ tsp->ob = t;
+ tsp->oe = e;
+ tsp->ch = 1;
+ }
+ tsp->next = psp;
+ return tsp;
+}
+
+/*
+ * output label s from [ ...label...[?...] ] to sp
+ * 1 returned if the label was translated
+ */
+
+static int
+label(register Sfio_t* sp, int sep, register char* s, int about, int z, int level, int style, int f, Sfio_t* ip, int version, char* id, char* catalog)
+{
+ register int c;
+ register char* t;
+ register char* e;
+ int ostyle;
+ int a;
+ int i;
+ char* p;
+ char* q;
+ char* w;
+ char* y;
+ int va;
+ Push_t* tsp;
+
+ int r = 0;
+ int n = 1;
+ Push_t* psp = 0;
+
+ if ((ostyle = style) > (STYLE_nroff - (sep <= 0)) && f != FONT_LITERAL && f >= 0)
+ style = 0;
+ if (z < 0)
+ e = s + strlen(s);
+ else
+ e = s + z;
+ if (sep > 0)
+ {
+ if (sep == ' ' && style == STYLE_nroff)
+ sfputc(sp, '\\');
+ sfputc(sp, sep);
+ }
+ sep = !sep || z < 0;
+ va = 0;
+ y = 0;
+ if (about)
+ sfputc(sp, '(');
+ if (version < 1)
+ {
+ a = 0;
+ for (;;)
+ {
+ if (s >= e)
+ return r;
+ switch (c = *s++)
+ {
+ case '[':
+ a++;
+ break;
+ case ']':
+ if (--a < 0)
+ return r;
+ break;
+ }
+ sfputc(sp, c);
+ }
+ }
+ else if (level && (*(p = skip(s, 0, 0, 0, 1, level, 1, version)) == ':' || *p == '#'))
+ {
+ va = 0;
+ if (*++p == '?' || *p == *(p - 1))
+ {
+ p++;
+ va |= OPT_optional;
+ }
+ if (*(p = next(p, version)) == '[')
+ y = p + 1;
+ }
+ if (X(catalog) && (!level || *s == '\a' || *(s - 1) != '+') &&
+ (tsp = localize(psp, s, e, (sep || level) ? '?' : 0, sep || level, ip, version, id, catalog)))
+ {
+ psp = tsp;
+ s = psp->nb;
+ e = psp->ne;
+ r = psp->ch > 0;
+ }
+ switch (*s)
+ {
+ case '\a':
+ if (f == FONT_ITALIC || f < 0)
+ s++;
+ if (f > 0)
+ f = 0;
+ break;
+ case '\b':
+ if (f == FONT_BOLD || f < 0)
+ s++;
+ if (f > 0)
+ f = 0;
+ break;
+ case '\v':
+ if (f == FONT_LITERAL || f < 0)
+ s++;
+ if (f > 0)
+ f = 0;
+ break;
+ default:
+ if (f > 0)
+ sfputr(sp, font(f, style, 1), -1);
+ break;
+ }
+ for (;;)
+ {
+ if (s >= e)
+ {
+ if (!(tsp = psp))
+ goto restore;
+ s = psp->ob;
+ e = psp->oe;
+ psp = psp->next;
+ free(tsp);
+ continue;
+ }
+ switch (c = *s++)
+ {
+ case '(':
+ if (n)
+ {
+ n = 0;
+ if (f > 0)
+ {
+ sfputr(sp, font(f, style, 0), -1);
+ f = 0;
+ }
+ }
+ break;
+ case '?':
+ case ':':
+ case ']':
+ if (psp && psp->ch)
+ break;
+ if (y)
+ {
+ if (va & OPT_optional)
+ sfputc(sp, '[');
+ sfputc(sp, '=');
+ label(sp, 0, y, 0, -1, 0, style, f >= 0 ? FONT_ITALIC : f, ip, version, id, catalog);
+ if (va & OPT_optional)
+ sfputc(sp, ']');
+ y = 0;
+ }
+ switch (c)
+ {
+ case '?':
+ if (*s == '?')
+ s++;
+ else if (*s == ']' && *(s + 1) != ']')
+ continue;
+ else if (sep)
+ goto restore;
+ else if (X(catalog) && (tsp = localize(psp, s, e, 0, 1, ip, version, id, catalog)))
+ {
+ psp = tsp;
+ s = psp->nb;
+ e = psp->ne;
+ }
+ break;
+ case ']':
+ if (sep && *s++ != ']')
+ goto restore;
+ break;
+ case ':':
+ if (sep && *s++ != ':')
+ goto restore;
+ break;
+ }
+ break;
+ case '\a':
+ a = FONT_ITALIC;
+ setfont:
+ if (f >= 0)
+ {
+ if (f & ~a)
+ {
+ sfputr(sp, font(f, style, 0), -1);
+ f = 0;
+ }
+ if (!f && style == STYLE_html)
+ {
+ for (t = s; t < e && !isspace(*t) && !iscntrl(*t); t++);
+ if (*t == c && *++t == '(')
+ {
+ w = t;
+ if (++t < e && isdigit(*t))
+ while (++t < e && isupper(*t));
+ if (t < e && *t == ')' && t > w + 1)
+ {
+ sfprintf(sp, "<NOBR><A href=\"../man%-.*s/"
+ , t - w - 1, w + 1
+ );
+ for (q = s; q < w - 1; q++)
+ if (*q == ':' && q < w - 2 && *(q + 1) == ':')
+ {
+ sfputc(sp, '-');
+ q++;
+ }
+ else
+ sfputc(sp, *q);
+ sfprintf(sp, ".html\">%s%-.*s%s</A>%-.*s</NOBR>"
+ , font(a, style, 1)
+ , w - s - 1, s
+ , font(a, style, 0)
+ , t - w + 1, w
+ );
+ s = t + 1;
+ continue;
+ }
+ }
+ }
+ sfputr(sp, font(a, style, !!(f ^= a)), -1);
+ }
+ continue;
+ case '\b':
+ a = FONT_BOLD;
+ goto setfont;
+ case '\f':
+ psp = info(psp, s, e, ip, id);
+ if (psp->nb)
+ {
+ s = psp->nb;
+ e = psp->ne;
+ }
+ else
+ {
+ s = psp->ob;
+ psp = psp->next;
+ }
+ continue;
+ case '\n':
+ sfputc(sp, c);
+ for (i = 0; i < level; i++)
+ sfputc(sp, '\t');
+ continue;
+ case '\v':
+ a = FONT_LITERAL;
+ goto setfont;
+ case '<':
+ if (style == STYLE_html)
+ {
+ sfputr(sp, "&lt;", -1);
+ c = 0;
+ for (t = s; t < e; t++)
+ if (!isalnum(*t) && *t != '_' && *t != '.' && *t != '-')
+ {
+ if (*t == '@')
+ {
+ if (c)
+ break;
+ c = 1;
+ }
+ else if (*t == '>')
+ {
+ if (c)
+ {
+ sfprintf(sp, "<A href=\"mailto:%-.*s>%-.*s</A>&gt;", t - s, s, t - s, s);
+ s = t + 1;
+ }
+ break;
+ }
+ else
+ break;
+ }
+ continue;
+ }
+ break;
+ case '>':
+ if (style == STYLE_html)
+ {
+ sfputr(sp, "&gt;", -1);
+ continue;
+ }
+ break;
+ case '&':
+ if (style == STYLE_html)
+ {
+ sfputr(sp, "&amp;", -1);
+ continue;
+ }
+ break;
+ case '"':
+ if (style == STYLE_html)
+ {
+ sfputr(sp, "&quot;", -1);
+ continue;
+ }
+ break;
+ case '-':
+ if (ostyle == STYLE_nroff)
+ sfputc(sp, '\\');
+ break;
+ case '.':
+ if (ostyle == STYLE_nroff)
+ {
+ sfputc(sp, '\\');
+ sfputc(sp, '&');
+ }
+ break;
+ case '\\':
+ if (ostyle == STYLE_nroff)
+ {
+ c = 'e';
+ sfputc(sp, '\\');
+ }
+ break;
+ case ' ':
+ if (ostyle == STYLE_nroff)
+ sfputc(sp, '\\');
+ break;
+ }
+ sfputc(sp, c);
+ }
+ restore:
+ if (f > 0)
+ sfputr(sp, font(f, style, 0), -1);
+ if (about)
+ sfputc(sp, ')');
+ if (psp)
+ pop(psp);
+ return r;
+}
+
+/*
+ * output args description to sp from p of length n
+ */
+
+static void
+args(register Sfio_t* sp, register char* p, register int n, int flags, int style, Sfio_t* ip, int version, char* id, char* catalog)
+{
+ register int i;
+ register char* t;
+ register char* o;
+ register char* a = 0;
+ char* b;
+ int sep;
+
+ if (flags & OPT_functions)
+ sep = '\t';
+ else
+ {
+ sep = ' ';
+ o = T(NiL, ID, "options");
+ b = style == STYLE_nroff ? "\\ " : " ";
+ for (;;)
+ {
+ t = (char*)memchr(p, '\n', n);
+ if (style >= STYLE_man)
+ {
+ if (!(a = id))
+ a = "...";
+ sfprintf(sp, "\t%s%s%s%s[%s%s%s%s%s]", font(FONT_BOLD, style, 1), a, font(FONT_BOLD, style, 0), b, b, font(FONT_ITALIC, style, 1), o, font(FONT_ITALIC, style, 0), b);
+ }
+ else if (a)
+ sfprintf(sp, "%*.*s%s%s%s[%s%s%s]", OPT_USAGE - 1, OPT_USAGE - 1, T(NiL, ID, "Or:"), b, a, b, b, o, b);
+ else
+ {
+ if (!(a = error_info.id) && !(a = id))
+ a = "...";
+ if (!sfstrtell(sp))
+ sfprintf(sp, "[%s%s%s]", b, o, b);
+ }
+ if (!t)
+ break;
+ i = ++t - p;
+ if (i)
+ {
+ sfputr(sp, b, -1);
+ if (X(catalog))
+ {
+ sfwrite(ip, p, i);
+ if (b = sfstruse(ip))
+ sfputr(sp, T(id, catalog, b), -1);
+ else
+ sfwrite(sp, p, i);
+ }
+ else
+ sfwrite(sp, p, i);
+ }
+ if (style == STYLE_html)
+ sfputr(sp, "<BR>", '\n');
+ else if (style == STYLE_nroff)
+ sfputr(sp, ".br", '\n');
+ else if (style == STYLE_api)
+ sfputr(sp, ".BR", '\n');
+ p = t;
+ n -= i;
+ while (n > 0 && (*p == ' ' || *p == '\t'))
+ {
+ p++;
+ n--;
+ }
+ }
+ }
+ if (n)
+ label(sp, sep, p, 0, n, 0, style, 0, ip, version, id, catalog);
+}
+
+/*
+ * output [+-...label...?...] label s to sp
+ * according to {...} level and style
+ * return 0:header 1:paragraph
+ */
+
+static int
+item(Sfio_t* sp, char* s, int about, int level, int style, Sfio_t* ip, int version, char* id, char* catalog, int* hflags)
+{
+ register char* t;
+ int n;
+ int par;
+
+ sfputc(sp, '\n');
+ if (*s == '\n')
+ {
+ par = 0;
+ if (style >= STYLE_nroff)
+ sfprintf(sp, ".DS\n");
+ else
+ {
+ if (style == STYLE_html)
+ sfprintf(sp, "<PRE>\n");
+ else
+ sfputc(sp, '\n');
+ for (n = 0; n < level; n++)
+ sfputc(sp, '\t');
+ }
+ label(sp, 0, s + 1, about, -1, level, style, FONT_LITERAL, ip, version, id, catalog);
+ sfputc(sp, '\n');
+ if (style >= STYLE_nroff)
+ sfprintf(sp, ".DE");
+ else if (style == STYLE_html)
+ sfprintf(sp, "</PRE>");
+ }
+ else if (*s != ']' && (*s != '?' || *(s + 1) == '?'))
+ {
+ par = 0;
+ if (level)
+ {
+ if (style >= STYLE_nroff)
+ sfprintf(sp, ".H%d ", (level - (level > 2)) / 2);
+ else
+ for (n = 0; n < level; n++)
+ sfputc(sp, '\t');
+ }
+ if (style == STYLE_html)
+ {
+ if (!level)
+ {
+ if (*hflags & HELP_head)
+ sfputr(sp, "</DIV>", '\n');
+ else
+ *hflags |= HELP_head;
+ sfputr(sp, "<H4>", -1);
+ }
+ sfputr(sp, "<A name=\"", -1);
+ if (s[-1] == '-' && s[0] == 'l' && s[1] == 'i' && s[2] == 'c' && s[3] == 'e' && s[4] == 'n' && s[5] == 's' && s[6] == 'e' && s[7] == '?')
+ for (t = s + 8; *t && *t != ']'; t++)
+ if (t[0] == 'p' && (!strncmp(t, "proprietary", 11) || !strncmp(t, "private", 7)) || t[0] == 'n' && !strncmp(t, "noncommercial", 13))
+ {
+ state.flags |= OPT_proprietary;
+ break;
+ }
+ label(sp, 0, s, about, -1, level, style, -1, ip, version, id, catalog);
+ sfputr(sp, "\">", -1);
+ label(sp, 0, s, about, -1, level, style, level ? FONT_BOLD : 0, ip, version, id, catalog);
+ sfputr(sp, "</A>", -1);
+ if (!level)
+ {
+ if (!strncmp(s, C("SYNOPSIS"), strlen(C("SYNOPSIS"))))
+ sfputr(sp, "</H4>\n<DIV class=SY>", -1);
+ else
+ {
+ sfputr(sp, "</H4>\n<DIV class=SH>", -1);
+ if (!strncmp(s, C("NAME"), strlen(C("NAME"))) || !strncmp(s, C("PLUGIN"), strlen(C("PLUGIN"))))
+ *hflags |= HELP_index;
+ }
+ }
+ }
+ else
+ {
+ if (!level)
+ {
+ if (style >= STYLE_nroff)
+ sfprintf(sp, ".SH ");
+ else if (style == STYLE_man)
+ sfputc(sp, '\n');
+ else if (style != STYLE_options && style != STYLE_match || *s == '-' || *s == '+')
+ sfputc(sp, '\t');
+ }
+ label(sp, 0, s, about, -1, level, style, FONT_BOLD, ip, version, id, catalog);
+ }
+ }
+ else
+ {
+ par = 1;
+ if (style >= STYLE_nroff)
+ sfputr(sp, level ? ".SP" : ".PP", -1);
+ }
+ if (style >= STYLE_nroff || !level)
+ sfputc(sp, '\n');
+ if (par && style < STYLE_nroff)
+ for (n = 0; n < level; n++)
+ sfputc(sp, '\t');
+ return par;
+}
+
+/*
+ * output text to sp from p according to style
+ */
+
+#if _BLD_DEBUG
+
+static char* textout(Sfio_t*, char*, char*, int, int, int, int, Sfio_t*, int, char*, char*, int*);
+
+static char*
+trace_textout(Sfio_t* sp, register char* p, char* conform, int conformlen, int style, int level, int bump, Sfio_t* ip, int version, char* id, char* catalog, int* hflags, int line)
+{
+ static int depth = 0;
+
+ message((-21, "opthelp: txt#%d +++ %2d \"%s\" style=%d level=%d bump=%d", line, ++depth, show(p), style, level, bump));
+ p = textout(sp, p, conform, conformlen, style, level, bump, ip, version, id, catalog, hflags);
+ message((-21, "opthelp: txt#%d --- %2d \"%s\"", line, depth--, show(p)));
+ return p;
+}
+
+#endif
+
+static char*
+textout(Sfio_t* sp, register char* s, char* conform, int conformlen, int style, int level, int bump, Sfio_t* ip, int version, char* id, char* catalog, int* hflags)
+{
+#if _BLD_DEBUG
+#define textout(sp,s,conform,conformlen,style,level,bump,ip,version,id,catalog,hflags) trace_textout(sp,s,conform,conformlen,style,level,bump,ip,version,id,catalog,hflags,__LINE__)
+#endif
+ register char* t;
+ register int c;
+ register int n;
+ char* w;
+ char* q;
+ int a;
+ int f;
+ int par;
+ int about;
+ Push_t* tsp;
+
+ int ident = 0;
+ int lev = level;
+ Push_t* psp = 0;
+
+ again:
+ about = 0;
+ if ((c = *s) == GO)
+ {
+ for (;;)
+ {
+ while (*(s = next(s + 1, version)) == '\n');
+ if (*s == GO)
+ {
+ if (level > 1)
+ level++;
+ level++;
+ }
+ else if (*s != OG)
+ {
+ if (level <= 1 || *s != '[' || *(s + 1) != '-' || style == STYLE_man && *(s + 2) == '?' || isalpha(*(s + 2)))
+ break;
+ s = skip(s, 0, 0, 0, 1, level, 0, version);
+ }
+ else if ((level -= 2) <= lev)
+ return s + 1;
+ }
+ if (*s == '\f')
+ {
+ psp = info(psp, s + 1, NiL, ip, id);
+ if (psp->nb)
+ s = psp->nb;
+ else
+ {
+ s = psp->ob;
+ psp = psp->next;
+ }
+ }
+ if (*s != '[')
+ return s;
+ c = *++s;
+ if (level > 1)
+ level++;
+ level++;
+ }
+ if (c == '-' && level > 1)
+ {
+ if (style == STYLE_man)
+ {
+ about = 1;
+ if (*(s + 1) == '-')
+ s++;
+ }
+ else
+ for (;;)
+ {
+ s = skip(s, 0, 0, 0, 1, level, 0, version);
+ while (*(s = next(s + 1, version)) == '\n');
+ if (*s == '[')
+ {
+ if ((c = *++s) != '-')
+ break;
+ }
+ else if (*s == GO)
+ goto again;
+ else if (*s == OG)
+ return s + 1;
+ }
+ }
+ if (c == '+' || c == '-' && (bump = 3) || c != ' ' && level > 1)
+ {
+ s = skip(t = s + 1, '?', 0, 0, 1, level, 0, version);
+ if (c == '-' && (*t == '?' || isdigit(*t) || *s == '?' && *(s + 1) == '\n'))
+ {
+ if ((c = *s) != '?')
+ return skip(s, 0, 0, 0, 1, level, 1, version);
+ w = C("version");
+ par = item(sp, w, about, level, style, ip, version, id, ID, hflags);
+ for (;;)
+ {
+ while (isspace(*(s + 1)))
+ s++;
+ w = s;
+ if (w[1] == '@' && w[2] == '(' && w[3] == '#' && w[4] == ')')
+ s = w + 4;
+ else if (w[1] == '$' && w[2] == 'I' && w[3] == 'd' && w[4] == ':' && w[5] == ' ')
+ {
+ s = w + 5;
+ ident = 1;
+ }
+ else
+ break;
+ }
+ }
+ else
+ {
+ if (isdigit(c) && isdigit(*t))
+ {
+ while (isdigit(*t))
+ t++;
+ if (*t == ':')
+ t++;
+ }
+ else if (isalnum(c) && *t-- == ':')
+ {
+ if (X(catalog) || *t == *(t + 2))
+ t += 2;
+ else
+ {
+ sfprintf(ip, "%s", t);
+ if (w = sfstruse(ip))
+ *((t = w) + 1) = '|';
+ }
+ }
+ par = item(sp, t, about, level, style, ip, version, id, catalog, hflags);
+ c = *s;
+ }
+ if (!about && level)
+ par = 0;
+ }
+ else
+ {
+ if (style >= STYLE_nroff)
+ sfputc(sp, '\n');
+ else if (c == '?')
+ for (n = 0; n < level; n++)
+ sfputc(sp, '\t');
+ par = 0;
+ }
+ if (c == ':')
+ c = *(s = skip(s, '?', 0, 0, 1, 0, 0, version));
+ if ((c == ']' || c == '?' && *(s + 1) == ']' && *(s + 2) != ']' && s++) && (c = *(s = next(s + 1, version))) == GO)
+ {
+ s = textout(sp, s, conform, conformlen, style, level + bump + par + 1, 0, ip, version, id, catalog, hflags);
+ if (level > lev && *s && *(s = next(s, version)) == '[')
+ {
+ s++;
+ message((-21, "textout#%d s=%s", __LINE__, show(s)));
+ goto again;
+ }
+ }
+ else if (c == '?' || c == ' ')
+ {
+ s++;
+ if (c == ' ')
+ sfputc(sp, c);
+ else
+ {
+ if (X(catalog) && (tsp = localize(psp, s, NiL, 0, 1, ip, version, id, catalog)))
+ {
+ psp = tsp;
+ s = psp->nb;
+ }
+ if (style < STYLE_nroff)
+ for (n = 0; n < bump + 1; n++)
+ sfputc(sp, '\t');
+ }
+ if (conform)
+ {
+ sfprintf(sp, "[%-.*s %s] ", conformlen, conform, T(NiL, ID, "conformance"));
+ conform = 0;
+ }
+ if (*hflags & HELP_index)
+ {
+ *hflags &= ~HELP_index;
+ sfputr(sp, "<!--MAN-INDEX-->", -1);
+ }
+ f = 0;
+ for (;;)
+ {
+ switch (c = *s++)
+ {
+ case 0:
+ if (!(tsp = psp))
+ {
+ if (f)
+ sfputr(sp, font(f, style, 0), -1);
+ return s - 1;
+ }
+ s = psp->ob;
+ psp = psp->next;
+ free(tsp);
+ continue;
+ case ']':
+ if (psp && psp->ch)
+ break;
+ if (*s != ']')
+ {
+ if (f)
+ {
+ sfputr(sp, font(f, style, 0), -1);
+ f = 0;
+ }
+ for (;;)
+ {
+ if ((*s == '#' || *s == ':') && level > lev)
+ {
+ char* o;
+ char* v;
+ int j;
+ int m;
+ int ol;
+ int vl;
+
+ a = 0;
+ o = 0;
+ v = 0;
+ if (*++s == '?' || *s == *(s - 1))
+ {
+ s++;
+ a |= OPT_optional;
+ }
+ if (*(s = next(s, version)) == '[')
+ {
+ s = skip(s + 1, ':', '?', 0, 1, 0, 0, version);
+ while (*s == ':')
+ {
+ s = skip(t = s + 1, ':', '?', 0, 1, 0, 0, version);
+ m = s - t;
+ if (*t == '!')
+ {
+ o = t + 1;
+ ol = m - 1;
+ }
+ else if (*t == '=')
+ {
+ v = t + 1;
+ vl = m - 1;
+ }
+ else
+ for (j = 0; j < elementsof(attrs); j++)
+ if (strneq(t, attrs[j].name, m))
+ {
+ a |= attrs[j].flag;
+ break;
+ }
+ }
+ }
+ if (a & OPT_optional)
+ {
+ if (o)
+ {
+ sfprintf(sp, " %s ", T(NiL, ID, "If the option value is omitted then"));
+ sfputr(sp, font(FONT_BOLD, style, 1), -1);
+ t = o + ol;
+ while (o < t)
+ {
+ if (((c = *o++) == ':' || c == '?') && *o == c)
+ o++;
+ sfputc(sp, c);
+ }
+ sfputr(sp, font(FONT_BOLD, style, 0), -1);
+ sfprintf(sp, " %s.", T(NiL, ID, "is assumed"));
+ }
+ else
+ sfprintf(sp, " %s", T(NiL, ID, "The option value may be omitted."));
+ }
+ if (v)
+ {
+ sfprintf(sp, " %s ", T(NiL, ID, "The default value is"));
+ sfputr(sp, font(FONT_BOLD, style, 1), -1);
+ t = v + vl;
+ while (v < t)
+ {
+ if (((c = *v++) == ':' || c == '?') && *v == c)
+ v++;
+ sfputc(sp, c);
+ }
+ sfputr(sp, font(FONT_BOLD, style, 0), -1);
+ sfputc(sp, '.');
+ }
+ s = skip(s, 0, 0, 0, 1, 0, 1, version);
+ }
+ if (*(s = next(s, version)) == GO)
+ {
+ s = textout(sp, s, 0, 0, style, level + bump + !level, 0, ip, version, id, catalog, hflags);
+ if (*s && *(s = next(s, version)) == '[' && !isalnum(*(s + 1)))
+ {
+ s++;
+ message((-21, "textout#%d s=%s", __LINE__, show(s)));
+ goto again;
+ }
+ }
+ else if (*s == '[' && level > lev)
+ {
+ s++;
+ goto again;
+ }
+ else if (*s == '\f')
+ {
+ s++;
+ if (style != STYLE_keys)
+ {
+ psp = info(psp, s, NiL, ip, id);
+ if (psp->nb)
+ s = psp->nb;
+ else
+ {
+ s = psp->ob;
+ psp = psp->next;
+ }
+ }
+ }
+ else if (!*s)
+ {
+ if (!(tsp = psp))
+ break;
+ s = psp->ob;
+ psp = psp->next;
+ free(tsp);
+ }
+ else if (*s != OG)
+ break;
+ else
+ {
+ s++;
+ if ((level -= 2) <= lev)
+ break;
+ }
+ }
+ return s;
+ }
+ s++;
+ break;
+ case '\a':
+ a = FONT_ITALIC;
+ setfont:
+ if (f & ~a)
+ {
+ sfputr(sp, font(f, style, 0), -1);
+ f = 0;
+ }
+ if (!f && style == STYLE_html)
+ {
+ for (t = s; *t && !isspace(*t) && !iscntrl(*t); t++);
+ if (*t == c && *++t == '(')
+ {
+ w = t;
+ if (isdigit(*++t))
+ while (isupper(*++t));
+ if (*t == ')' && t > w + 1)
+ {
+ sfprintf(sp, "<NOBR><A href=\"../man%-.*s/"
+ , t - w - 1, w + 1
+ );
+ for (q = s; q < w - 1; q++)
+ if (*q == ':' && q < w - 2 && *(q + 1) == ':')
+ {
+ sfputc(sp, '-');
+ q++;
+ }
+ else
+ sfputc(sp, *q);
+ sfprintf(sp, ".html\">%s%-.*s%s</A>%-.*s</NOBR>"
+ , font(a, style, 1)
+ , w - s - 1, s
+ , font(a, style, 0)
+ , t - w + 1, w
+ );
+ s = t + 1;
+ continue;
+ }
+ }
+ }
+ sfputr(sp, font(a, style, !!(f ^= a)), -1);
+ continue;
+ case '\b':
+ a = FONT_BOLD;
+ goto setfont;
+ case '\f':
+ if (style != STYLE_keys)
+ {
+ psp = info(psp, s, NiL, ip, id);
+ if (psp->nb)
+ s = psp->nb;
+ else
+ {
+ s = psp->ob;
+ psp = psp->next;
+ }
+ }
+ continue;
+ case '\v':
+ a = FONT_LITERAL;
+ goto setfont;
+ case ' ':
+ if (ident && *s == '$')
+ {
+ while (*++s)
+ if (*s == ']')
+ {
+ if (*(s + 1) != ']')
+ break;
+ s++;
+ }
+ continue;
+ }
+ case '\n':
+ case '\r':
+ case '\t':
+ while (*s == ' ' || *s == '\t' || *s == '\r' || *s == '\n')
+ s++;
+ if (*s == ']' && *(s + 1) != ']' && (!psp || !psp->ch))
+ continue;
+ c = ' ';
+ break;
+ case '<':
+ if (style == STYLE_html)
+ {
+ sfputr(sp, "&lt;", -1);
+ c = 0;
+ for (t = s; *t; t++)
+ if (!isalnum(*t) && *t != '_' && *t != '.' && *t != '-')
+ {
+ if (*t == '@')
+ {
+ if (c)
+ break;
+ c = 1;
+ }
+ else if (*t == '>')
+ {
+ if (c)
+ {
+ sfprintf(sp, "<A href=\"mailto:%-.*s\">%-.*s</A>&gt;", t - s, s, t - s, s);
+ s = t + 1;
+ }
+ break;
+ }
+ else
+ break;
+ }
+ continue;
+ }
+ break;
+ case '>':
+ if (style == STYLE_html)
+ {
+ sfputr(sp, "&gt;", -1);
+ continue;
+ }
+ break;
+ case '&':
+ if (style == STYLE_html)
+ {
+ sfputr(sp, "&amp;", -1);
+ continue;
+ }
+ break;
+ case '-':
+ if (style == STYLE_nroff)
+ sfputc(sp, '\\');
+ break;
+ case '.':
+ if (style == STYLE_nroff)
+ {
+ sfputc(sp, '\\');
+ sfputc(sp, '&');
+ }
+ break;
+ case '\\':
+ if (style == STYLE_nroff)
+ {
+ sfputc(sp, c);
+ c = 'e';
+ }
+ break;
+ }
+ sfputc(sp, c);
+ }
+ }
+ else if (c == '[' && level > lev)
+ {
+ s++;
+ goto again;
+ }
+ return s;
+}
+
+/*
+ * generate optget() help [...] list from lp
+ */
+
+static void
+list(Sfio_t* sp, register const List_t* lp)
+{
+ sfprintf(sp, "[%c", lp->type);
+ if (lp->name)
+ {
+ sfprintf(sp, "%s", lp->name);
+ if (lp->text)
+ sfprintf(sp, "?%s", lp->text);
+ }
+ sfputc(sp, ']');
+}
+
+/*
+ * return pointer to help message sans `Usage: command'
+ * if oopts is 0 then state.pass is used
+ * what:
+ * 0 ?short by default, ?long if any long options used
+ * * otherwise see help_text[] (--???)
+ * external formatter:
+ * \a...\a italic
+ * \b...\b bold
+ * \f...\f discipline infof callback on ...
+ * \v...\v literal
+ * internal formatter:
+ * \t indent
+ * \n newline
+ * margin flush pops to previous indent
+ */
+
+char*
+opthelp(const char* oopts, const char* what)
+{
+ register Sfio_t* sp;
+ register Sfio_t* mp;
+ register int c;
+ register char* p;
+ register Indent_t* ip;
+ char* t;
+ char* x;
+ char* w;
+ char* u;
+ char* y;
+ char* s;
+ char* d;
+ char* v;
+ char* cb;
+ char* dt;
+ char* ov;
+ char* pp;
+ char* rb;
+ char* re;
+ int f;
+ int i;
+ int j;
+ int m;
+ int n;
+ int a;
+ int cl;
+ int sl;
+ int vl;
+ int ol;
+ int wl;
+ int xl;
+ int rm;
+ int ts;
+ int co;
+ int z;
+ int style;
+ int head;
+ int margin;
+ int mode;
+ int mutex;
+ int prefix;
+ int version;
+ long tp;
+ char* id;
+ char* catalog;
+ Optpass_t* o;
+ Optpass_t* q;
+ Optpass_t* e;
+ Optpass_t one;
+ Optpass_t top;
+ Help_t* hp;
+ Tag_t ptstk[elementsof(indent) + 2];
+ Tag_t* pt;
+ Sfio_t* vp;
+ Push_t* tsp;
+
+ char* opts = (char*)oopts;
+ char* section = "1";
+ int flags = 0;
+ int bflags = 0;
+ int dflags = 0;
+ int hflags = 0;
+ int sflags = 0;
+ int matched = 0;
+ int paragraph = 0;
+ Push_t* psp = 0;
+ Sfio_t* sp_help = 0;
+ Sfio_t* sp_text = 0;
+ Sfio_t* sp_plus = 0;
+ Sfio_t* sp_head = 0;
+ Sfio_t* sp_body = 0;
+ Sfio_t* sp_info = 0;
+ Sfio_t* sp_misc = 0;
+
+ if (!(mp = state.mp) && !(mp = state.mp = sfstropen()))
+ goto nospace;
+ if (!what)
+ style = state.style;
+ else if (!*what)
+ style = STYLE_options;
+ else if (*what != '?')
+ style = STYLE_match;
+ else if (!*(what + 1))
+ style = STYLE_man;
+ else if ((hp = (Help_t*)search(styles, elementsof(styles), sizeof(styles[0]), (char*)what + 1)) && hp->style >= 0)
+ {
+ style = hp->style;
+ if (*hp->name != '?')
+ what = hp->name;
+ }
+ else
+ {
+ if ((style = state.force) < STYLE_man)
+ style = STYLE_man;
+ if (!(sp_help = sfstropen()))
+ goto nospace;
+ for (i = 0; i < elementsof(help_head); i++)
+ list(sp_help, &help_head[i]);
+ for (i = 0; i < elementsof(styles); i++)
+ sfprintf(sp_help, "[:%s?%s]", styles[i].match, styles[i].text);
+ for (i = 0; i < elementsof(help_tail); i++)
+ list(sp_help, &help_tail[i]);
+ if (!(opts = sfstruse(sp_help)))
+ goto nospace;
+ }
+
+ /*
+ * this is a workaround for static optjoin() data
+ * clobbered by plugins/builtins that may be called
+ * evaluating \f...\f -- it would be good to hide
+ * optjoin() interactions a bit more ...
+ */
+
+ top = state.pass[0];
+ again:
+ if (opts)
+ {
+ for (i = 0; i < state.npass; i++)
+ if (state.pass[i].oopts == opts)
+ {
+ o = &state.pass[i];
+ break;
+ }
+ if (i >= state.npass)
+ {
+ o = &one;
+ if (init((char*)opts, o))
+ goto nospace;
+ }
+ e = o + 1;
+ }
+ else
+ {
+ if (state.npass > 0)
+ {
+ o = state.pass;
+ e = o + state.npass;
+ }
+ else if (state.npass < 0)
+ {
+ o = &state.cache->pass;
+ e = o + 1;
+ }
+ else
+ return T(NiL, ID, "[* call optget() before opthelp() *]");
+ oopts = (const char*)state.pass[0].oopts;
+ }
+ if (style <= STYLE_usage)
+ {
+ if (!(sp_text = sfstropen()) || !(sp_info = sfstropen()))
+ goto nospace;
+ if (style >= STYLE_match && style < STYLE_keys && !(sp_body = sfstropen()))
+ goto nospace;
+ }
+ switch (style)
+ {
+ case STYLE_api:
+ case STYLE_html:
+ case STYLE_nroff:
+ state.emphasis = 0;
+ break;
+ case STYLE_usage:
+ case STYLE_keys:
+ for (q = o; q < e; q++)
+ if (!(q->flags & OPT_ignore) && !streq(q->catalog, o->catalog))
+ o = q;
+ /*FALLTHROUGH*/
+ case STYLE_posix:
+ sfputc(mp, '\f');
+ break;
+ default:
+ if (!state.emphasis)
+ {
+ if (x = getenv("ERROR_OPTIONS"))
+ {
+ if (strmatch(x, "*noemphasi*"))
+ break;
+ if (strmatch(x, "*emphasi*"))
+ {
+ state.emphasis = 1;
+ break;
+ }
+ }
+ if ((x = getenv("TERM")) && strmatch(x, "(ansi|vt100|xterm)*") && isatty(sffileno(sfstderr)))
+ state.emphasis = 1;
+ }
+ break;
+ }
+ x = "";
+ xl = 0;
+ for (q = o; q < e; q++)
+ {
+ if (q->flags & OPT_ignore)
+ continue;
+ section = q->section;
+ flags |= q->flags;
+ p = q->opts;
+ prefix = q->prefix;
+ version = q->version;
+ id = q->id;
+ catalog = q->catalog;
+ switch (style)
+ {
+ case STYLE_usage:
+ if (xl)
+ sfputc(mp, '\n');
+ else
+ xl = 1;
+ psp = 0;
+ for (;;)
+ {
+ switch (c = *p++)
+ {
+ case 0:
+ if (!(tsp = psp))
+ goto style_usage;
+ p = psp->ob;
+ psp = psp->next;
+ free(tsp);
+ continue;
+ case '\a':
+ c = 'a';
+ break;
+ case '\b':
+ c = 'b';
+ break;
+ case '\f':
+ psp = info(psp, p, NiL, sp_info, id);
+ if (psp->nb)
+ p = psp->nb;
+ else
+ {
+ p = psp->ob;
+ psp = psp->next;
+ }
+ continue;
+ case '\n':
+ c = 'n';
+ break;
+ case '\r':
+ c = 'r';
+ break;
+ case '\t':
+ c = 't';
+ break;
+ case '\v':
+ c = 'v';
+ break;
+ case '"':
+ c = '"';
+ break;
+ case '\'':
+ c = '\'';
+ break;
+ case '\\':
+ c = '\\';
+ break;
+ default:
+ sfputc(mp, c);
+ continue;
+ }
+ sfputc(mp, '\\');
+ sfputc(mp, c);
+ }
+ style_usage:
+ continue;
+ case STYLE_keys:
+ a = 0;
+ psp = 0;
+ vl = 0;
+ for (;;)
+ {
+ if (!(c = *p++))
+ {
+ if (!(tsp = psp))
+ break;
+ p = psp->ob;
+ psp = psp->next;
+ free(tsp);
+ continue;
+ }
+ if (c == '\f')
+ {
+ psp = info(psp, p, NiL, sp_info, id);
+ if (psp->nb)
+ p = psp->nb;
+ else
+ {
+ p = psp->ob;
+ psp = psp->next;
+ }
+ continue;
+ }
+ f = z = 1;
+ t = 0;
+ if (a == 0 && (c == ' ' || c == '\n' && *p == '\n'))
+ {
+ if (c == ' ' && *p == ']')
+ {
+ p++;
+ continue;
+ }
+ if (*p == '\n')
+ p++;
+ a = c;
+ }
+ else if (c == '\n')
+ {
+ if (a == ' ')
+ a = -1;
+ else if (a == '\n' || *p == '\n')
+ {
+ a = -1;
+ p++;
+ }
+ continue;
+ }
+ else if ((c == ':' || c == '#') && (*p == '[' || *p == '?' && *(p + 1) == '[' && p++))
+ p++;
+ else if (c != '[')
+ {
+ if (c == GO)
+ vl++;
+ else if (c == OG)
+ vl--;
+ continue;
+ }
+ else if (*p == ' ')
+ {
+ p++;
+ continue;
+ }
+ else if (*p == '-')
+ {
+ z = 0;
+ if (*++p == '-')
+ {
+ p = skip(p, 0, 0, 0, 1, 0, 1, version);
+ continue;
+ }
+ }
+ else if (*p == '+')
+ {
+ p++;
+ if (vl > 0 && *p != '\a')
+ {
+ f = 0;
+ p = skip(p, '?', 0, 0, 1, 0, 0, version);
+ if (*p == '?')
+ p++;
+ }
+ }
+ else
+ {
+ if (*(p + 1) == '\f' && (vp = state.vp))
+ p = expand(p + 2, NiL, &t, vp, id);
+ p = skip(p, ':', '?', 0, 1, 0, 0, version);
+ if (*p == ':')
+ p++;
+ }
+ if (f && *p == '?' && *(p + 1) != '?')
+ {
+ f = 0;
+ if (z)
+ p++;
+ else
+ p = skip(p, 0, 0, 0, 1, 0, 0, version);
+ }
+ if (*p == ']' && *(p + 1) != ']')
+ {
+ p++;
+ continue;
+ }
+ if (!*p)
+ {
+ if (!t)
+ break;
+ p = t;
+ t = 0;
+ }
+ m = sfstrtell(mp);
+ sfputc(mp, '"');
+ xl = 1;
+ /*UNDENT...*/
+
+ for (;;)
+ {
+ if (!(c = *p++))
+ {
+ if (t)
+ {
+ p = t;
+ t = 0;
+ }
+ if (!(tsp = psp))
+ {
+ p--;
+ break;
+ }
+ p = psp->ob;
+ psp = psp->next;
+ free(tsp);
+ continue;
+ }
+ if (a > 0)
+ {
+ if (c == '\n')
+ {
+ if (a == ' ')
+ {
+ a = -1;
+ break;
+ }
+ if (a == '\n' || *p == '\n')
+ {
+ a = -1;
+ p++;
+ break;
+ }
+ }
+ }
+ else if (c == ']')
+ {
+ if (*p != ']')
+ {
+ sfputc(mp, 0);
+ y = sfstrbase(mp) + m + 1;
+ if (D(y) || !strmatch(y, KEEP) || strmatch(y, OMIT))
+ {
+ sfstrseek(mp, m, SEEK_SET);
+ xl = 0;
+ }
+ else
+ sfstrseek(mp, -1, SEEK_CUR);
+ break;
+ }
+ sfputc(mp, *p++);
+ continue;
+ }
+ switch (c)
+ {
+ case '?':
+ if (f)
+ {
+ if (*p == '?')
+ {
+ p++;
+ sfputc(mp, c);
+ }
+ else
+ {
+ f = 0;
+ sfputc(mp, 0);
+ y = sfstrbase(mp) + m + 1;
+ if (D(y) || !strmatch(y, KEEP) || strmatch(y, OMIT))
+ {
+ sfstrseek(mp, m, SEEK_SET);
+ xl = 0;
+ }
+ else
+ sfstrseek(mp, -1, SEEK_CUR);
+ if (z && (*p != ']' || *(p + 1) == ']'))
+ {
+ if (xl)
+ {
+ sfputc(mp, '"');
+ sfputc(mp, '\n');
+ }
+ m = sfstrtell(mp);
+ sfputc(mp, '"');
+ xl = 1;
+ }
+ else
+ {
+ p = skip(p, 0, 0, 0, 1, 0, 0, version);
+ if (*p == '?')
+ p++;
+ }
+ }
+ }
+ else
+ sfputc(mp, c);
+ continue;
+ case ':':
+ if (f && *p == ':')
+ p++;
+ sfputc(mp, c);
+ continue;
+ case '\a':
+ c = 'a';
+ break;
+ case '\b':
+ c = 'b';
+ break;
+ case '\f':
+ c = 'f';
+ break;
+ case '\n':
+ c = 'n';
+ break;
+ case '\r':
+ c = 'r';
+ break;
+ case '\t':
+ c = 't';
+ break;
+ case '\v':
+ c = 'v';
+ break;
+ case '"':
+ c = '"';
+ break;
+ case '\\':
+ c = '\\';
+ break;
+ case CC_esc:
+ c = 'E';
+ break;
+ default:
+ sfputc(mp, c);
+ continue;
+ }
+ sfputc(mp, '\\');
+ sfputc(mp, c);
+ }
+
+ /*...INDENT*/
+ if (xl)
+ {
+ sfputc(mp, '"');
+ sfputc(mp, '\n');
+ }
+ }
+ continue;
+ }
+ z = 0;
+ head = 0;
+ mode = 0;
+ mutex = 0;
+ if (style > STYLE_short && style < STYLE_nroff && version < 1)
+ {
+ style = STYLE_short;
+ if (sp_body)
+ {
+ sfclose(sp_body);
+ sp_body = 0;
+ }
+ }
+ else if (style == STYLE_short && prefix < 2)
+ style = STYLE_long;
+ if (*p == ':')
+ p++;
+ if (*p == '+')
+ {
+ p++;
+ if (!(sp = sp_plus) && !(sp = sp_plus = sfstropen()))
+ goto nospace;
+ }
+ else if (style >= STYLE_match)
+ sp = sp_body;
+ else
+ sp = sp_text;
+ psp = 0;
+ for (;;)
+ {
+ if (!(*(p = next(p, version))))
+ {
+ if (!(tsp = psp))
+ break;
+ p = psp->ob;
+ psp = psp->next;
+ free(tsp);
+ continue;
+ }
+ if (*p == '\f')
+ {
+ psp = info(psp, p + 1, NiL, sp_info, id);
+ if (psp->nb)
+ p = psp->nb;
+ else
+ {
+ p = psp->ob;
+ psp = psp->next;
+ }
+ continue;
+ }
+ if (*p == '\n' || *p == ' ')
+ {
+ if (*(x = p = next(p + 1, version)))
+ while (*++p)
+ if (*p == '\n')
+ {
+ while (*++p == ' ' || *p == '\t' || *p == '\r');
+ if (*p == '\n')
+ break;
+ }
+ xl = p - x;
+ if (!*p)
+ break;
+ continue;
+ }
+ if (*p == OG)
+ {
+ p++;
+ continue;
+ }
+ message((-20, "opthelp: opt %s", show(p)));
+ if (z < 0)
+ z = 0;
+ a = 0;
+ f = 0;
+ w = 0;
+ d = 0;
+ s = 0;
+ rb = re = 0;
+ sl = 0;
+ vl = 0;
+ if (*p == '[')
+ {
+ if ((c = *(p = next(p + 1, version))) == '(')
+ {
+ p = nest(cb = p);
+ cl = p - cb;
+ c = *p;
+ }
+ else
+ cb = 0;
+ if (c == '-')
+ {
+ if (style >= STYLE_man)
+ {
+ if (*(p + 1) != '-')
+ {
+ if (!sp_misc && !(sp_misc = sfstropen()))
+ goto nospace;
+ else
+ p = textout(sp_misc, p, cb, cl, style, 1, 3, sp_info, version, id, catalog, &hflags);
+ continue;
+ }
+ }
+ else if (style == STYLE_match && *what == '-')
+ {
+ if (*(p + 1) == '?' || *(s = skip(p + 1, ':', '?', 0, 1, 0, 0, version)) == '?' && isspace(*(s + 1)))
+ s = C("version");
+ else
+ s = p + 1;
+ w = (char*)what;
+ if (*s != '-' || *(w + 1) == '-')
+ {
+ if (*s == '-')
+ s++;
+ if (*(w + 1) == '-')
+ w++;
+ if (match(w + 1, s, version, id, catalog))
+ {
+ if (*(p + 1) == '-')
+ p++;
+ p = textout(sp, p, cb, cl, style, 1, 3, sp_info, version, id, catalog, &hflags);
+ matched = -1;
+ continue;
+ }
+ }
+ }
+ if (!z)
+ z = -1;
+ }
+ else if (c == '+')
+ {
+ if (style >= STYLE_man)
+ {
+ p = textout(sp_body, p, cb, cl, style, 0, 0, sp_info, version, id, catalog, &bflags);
+ if (!sp_head)
+ {
+ sp_head = sp_body;
+ hflags = dflags = bflags;
+ if (!(sp_body = sfstropen()))
+ goto nospace;
+ }
+ continue;
+ }
+ else if (style == STYLE_match && *what == '+')
+ {
+ if (paragraph)
+ {
+ if (p[1] == '?')
+ {
+ p = textout(sp, p, cb, cl, style, 1, 3, sp_info, version, id, catalog, &hflags);
+ continue;
+ }
+ paragraph = 0;
+ }
+ if (match((char*)what + 1, p + 1, version, id, catalog))
+ {
+ p = textout(sp, p, cb, cl, style, 1, 3, sp_info, version, id, catalog, &hflags);
+ matched = -1;
+ paragraph = 1;
+ continue;
+ }
+ }
+ if (!z)
+ z = -1;
+ }
+ else if (c == '[' || version < 1)
+ {
+ mutex++;
+ continue;
+ }
+ else
+ {
+ if (c == '!')
+ {
+ a |= OPT_invert;
+ p++;
+ }
+ rb = p;
+ if (*p != ':')
+ {
+ s = p;
+ if (*(p + 1) == '|')
+ {
+ while (*++p && *p != '=' && *p != '!' && *p != ':' && *p != '?');
+ if ((p - s) > 1)
+ sl = p - s;
+ if (*p == '!')
+ a |= OPT_invert;
+ }
+ if (*(p + 1) == '\f')
+ p++;
+ else
+ p = skip(p, ':', '?', 0, 1, 0, 0, version);
+ if (sl || (p - s) == 1 || *(s + 1) == '=' || *(s + 1) == '!' && (a |= OPT_invert) || *(s + 1) == '|')
+ f = *s;
+ }
+ re = p;
+ if (style <= STYLE_short)
+ {
+ if (!z && !f)
+ z = -1;
+ }
+ else
+ {
+ if (*p == '\f' && (vp = state.vp))
+ p = expand(p + 1, NiL, &t, vp, id);
+ else
+ t = 0;
+ if (*p == ':')
+ {
+ p = skip(w = p + 1, ':', '?', 0, 1, 0, 0, version);
+ if (!(wl = p - w))
+ w = 0;
+ }
+ else
+ wl = 0;
+ if (*p == ':' || *p == '?')
+ {
+ d = p;
+ p = skip(p, 0, 0, 0, 1, 0, 0, version);
+ }
+ else
+ d = 0;
+ if (style == STYLE_match)
+ {
+ if (wl && !match((char*)what, w, version, id, catalog))
+ wl = 0;
+ if ((!wl || *w == ':' || *w == '?') && (what[1] || sl && !memchr(s, what[0], sl) || !sl && what[0] != f))
+ {
+ w = 0;
+ if (!z)
+ z = -1;
+ }
+ else
+ matched = 1;
+ }
+ if (t)
+ {
+ p = t;
+ if (*p == ':' || *p == '?')
+ {
+ d = p;
+ p = skip(p, 0, 0, 0, 1, 0, 0, version);
+ }
+ }
+ }
+ }
+ p = skip(p, 0, 0, 0, 1, 0, 1, version);
+ if (*p == GO)
+ p = skip(p + 1, 0, 0, 0, 0, 1, 1, version);
+ }
+ else if (*p == ']')
+ {
+ if (mutex)
+ {
+ if (style >= STYLE_nroff)
+ sfputr(sp_body, "\n.OP - - anyof", '\n');
+ if (!(mutex & 1))
+ {
+ mutex--;
+ if (style <= STYLE_long)
+ {
+ sfputc(sp_body, ' ');
+ sfputc(sp_body, ']');
+ }
+ }
+ mutex--;
+ }
+ p++;
+ continue;
+ }
+ else if (*p == '?')
+ {
+ if (style < STYLE_match)
+ z = 1;
+ mode |= OPT_hidden;
+ p++;
+ continue;
+ }
+ else if (*p == '\\' && style==STYLE_posix)
+ {
+ if (*++p)
+ p++;
+ continue;
+ }
+ else
+ {
+ f = *p++;
+ s = 0;
+ if (style == STYLE_match && !z)
+ z = -1;
+ }
+ if (!z)
+ {
+ if (style == STYLE_long || prefix < 2 || (q->flags & OPT_long))
+ f = 0;
+ else if (style <= STYLE_short)
+ w = 0;
+ if (!f && !w)
+ z = -1;
+ }
+ ov = 0;
+ u = v = y = 0;
+ if (*p == ':' && (a |= OPT_string) || *p == '#' && (a |= OPT_number))
+ {
+ message((-21, "opthelp: arg %s", show(p)));
+ if (*++p == '?' || *p == *(p - 1))
+ {
+ p++;
+ a |= OPT_optional;
+ }
+ if (*(p = next(p, version)) == '[')
+ {
+ if (!z)
+ {
+ p = skip(y = p + 1, ':', '?', 0, 1, 0, 0, version);
+ while (*p == ':')
+ {
+ p = skip(t = p + 1, ':', '?', 0, 1, 0, 0, version);
+ m = p - t;
+ if (*t == '!')
+ {
+ ov = t + 1;
+ ol = m - 1;
+ }
+ else if (*t == '=')
+ {
+ v = t + 1;
+ vl = m - 1;
+ }
+ else
+ for (j = 0; j < elementsof(attrs); j++)
+ if (strneq(t, attrs[j].name, m))
+ {
+ a |= attrs[j].flag;
+ break;
+ }
+ }
+ if (*p == '?')
+ u = p;
+ p = skip(p, 0, 0, 0, 1, 0, 1, version);
+ }
+ else
+ p = skip(p + 1, 0, 0, 0, 1, 0, 1, version);
+ }
+ else
+ y = (a & OPT_number) ? T(NiL, ID, "#") : T(NiL, ID, "arg");
+ }
+ else
+ a |= OPT_flag;
+ if (!z)
+ {
+ if (style <= STYLE_short && !y && !mutex || style == STYLE_posix)
+ {
+ if (style != STYLE_posix && !sfstrtell(sp))
+ {
+ sfputc(sp, '[');
+ if (sp == sp_plus)
+ sfputc(sp, '+');
+ sfputc(sp, '-');
+ }
+ if (!sl)
+ sfputc(sp, f);
+ else
+ for (c = 0; c < sl; c++)
+ if (s[c] != '|')
+ sfputc(sp, s[c]);
+ if (style == STYLE_posix && y)
+ sfputc(sp, ':');
+ }
+ else
+ {
+ if (style >= STYLE_match)
+ {
+ sfputc(sp_body, '\n');
+ if (!head)
+ {
+ head = 1;
+ item(sp_body, (flags & OPT_functions) ? C("FUNCTIONS") : C("OPTIONS"), 0, 0, style, sp_info, version, id, ID, &bflags);
+ }
+ if (style >= STYLE_nroff)
+ {
+ if (mutex & 1)
+ {
+ mutex++;
+ sfputr(sp_body, "\n.OP - - oneof", '\n');
+ }
+ }
+ else
+ sfputc(sp_body, '\t');
+ }
+ else
+ {
+ if (sp_body)
+ sfputc(sp_body, ' ');
+ else if (!(sp_body = sfstropen()))
+ goto nospace;
+ if (mutex)
+ {
+ if (mutex & 1)
+ {
+ mutex++;
+ sfputc(sp_body, '[');
+ }
+ else
+ sfputc(sp_body, '|');
+ sfputc(sp_body, ' ');
+ }
+ else
+ sfputc(sp_body, '[');
+ }
+ if (style >= STYLE_nroff)
+ {
+ if (flags & OPT_functions)
+ {
+ sfputr(sp_body, ".FN", ' ');
+ if (re > rb)
+ sfwrite(sp_body, rb, re - rb);
+ else
+ sfputr(sp, "void", -1);
+ if (w)
+ label(sp_body, ' ', w, 0, -1, 0, style, FONT_BOLD, sp_info, version, id, catalog);
+ }
+ else
+ {
+ sfputr(sp_body, ".OP", ' ');
+ if (sl)
+ sfwrite(sp_body, s, sl);
+ else
+ sfputc(sp_body, f ? f : '-');
+ sfputc(sp_body, ' ');
+ if (w)
+ {
+ if (label(sp_body, 0, w, 0, -1, 0, style, 0, sp_info, version, id, catalog))
+ {
+ sfputc(sp_body, '|');
+ label(sp_body, 0, w, 0, -1, 0, style, 0, sp_info, version, id, native);
+ }
+ }
+ else
+ sfputc(sp_body, '-');
+ sfputc(sp_body, ' ');
+ m = a & OPT_TYPE;
+ for (j = 0; j < elementsof(attrs); j++)
+ if (m & attrs[j].flag)
+ {
+ sfputr(sp_body, attrs[j].name, -1);
+ break;
+ }
+ if (m = (a & ~m) | mode)
+ for (j = 0; j < elementsof(attrs); j++)
+ if (m & attrs[j].flag)
+ {
+ sfputc(sp_body, ':');
+ sfputr(sp_body, attrs[j].name, -1);
+ }
+ sfputc(sp_body, ' ');
+ if (y)
+ label(sp_body, 0, y, 0, -1, 0, style, 0, sp_info, version, id, catalog);
+ else
+ sfputc(sp_body, '-');
+ if (v)
+ sfprintf(sp_body, " %-.*s", vl, v);
+ }
+ }
+ else
+ {
+ if (f)
+ {
+ if (sp_body == sp_plus)
+ sfputc(sp_body, '+');
+ sfputc(sp_body, '-');
+ sfputr(sp_body, font(FONT_BOLD, style, 1), -1);
+ if (!sl)
+ {
+ sfputc(sp_body, f);
+ if (f == '-' && y)
+ {
+ y = 0;
+ sfputr(sp_body, C("long-option[=value]"), -1);
+ }
+ }
+ else
+ sfwrite(sp_body, s, sl);
+ sfputr(sp_body, font(FONT_BOLD, style, 0), -1);
+ if (w)
+ {
+ sfputc(sp_body, ',');
+ sfputc(sp_body, ' ');
+ }
+ }
+ else if ((flags & OPT_functions) && re > rb)
+ {
+ sfwrite(sp_body, rb, re - rb);
+ sfputc(sp_body, ' ');
+ }
+ if (w)
+ {
+ if (prefix > 0)
+ {
+ sfputc(sp_body, '-');
+ if (prefix > 1)
+ sfputc(sp_body, '-');
+ }
+ if (label(sp_body, 0, w, 0, -1, 0, style, FONT_BOLD, sp_info, version, id, catalog))
+ {
+ sfputc(sp_body, '|');
+ label(sp_body, 0, w, 0, -1, 0, style, FONT_BOLD, sp_info, version, id, native);
+ }
+ }
+ if (y)
+ {
+ if (a & OPT_optional)
+ sfputc(sp_body, '[');
+ else if (!w)
+ sfputc(sp_body, ' ');
+ if (w)
+ sfputc(sp_body, prefix == 1 ? ' ' : '=');
+ label(sp_body, 0, y, 0, -1, 0, style, FONT_ITALIC, sp_info, version, id, catalog);
+ if (a & OPT_optional)
+ sfputc(sp_body, ']');
+ }
+ }
+ if (style >= STYLE_match)
+ {
+ if (d)
+ {
+ textout(sp_body, d, cb, cl, style, 0, 3, sp_info, version, id, catalog, &bflags);
+ cb = 0;
+ }
+ if (u)
+ textout(sp_body, u, cb, cl, style, 0, 3, sp_info, version, id, catalog, &bflags);
+ if ((a & OPT_invert) && w && (d || u))
+ {
+ u = skip(w, ':', '?', 0, 1, 0, 0, version);
+ if (f)
+ sfprintf(sp_info, " %s; -\b%c\b %s --\bno%-.*s\b.", T(NiL, ID, "On by default"), f, T(NiL, ID, "means"), u - w, w);
+ else
+ sfprintf(sp_info, " %s %s\bno%-.*s\b %s.", T(NiL, ID, "On by default; use"), "--"+2-prefix, u - w, w, T(NiL, ID, "to turn off"));
+ if (!(t = sfstruse(sp_info)))
+ goto nospace;
+ textout(sp_body, t, 0, 0, style, 0, 0, sp_info, version, NiL, NiL, &bflags);
+ }
+ if (*p == GO)
+ {
+ p = u ? skip(p + 1, 0, 0, 0, 0, 1, 1, version) : textout(sp_body, p, 0, 0, style, 4, 0, sp_info, version, id, catalog, &bflags);
+ y = "+?";
+ }
+ else
+ y = " ";
+ if (a & OPT_optional)
+ {
+ if (ov)
+ {
+ sfprintf(sp_info, "%s%s \b", y, T(NiL, ID, "If the option value is omitted then"));
+ t = ov + ol;
+ while (ov < t)
+ {
+ if (((c = *ov++) == ':' || c == '?') && *ov == c)
+ ov++;
+ sfputc(sp_info, c);
+ }
+ sfprintf(sp_info, "\b %s.", T(NiL, ID, "is assumed"));
+ }
+ else
+ sfprintf(sp_info, "%s%s", y, T(NiL, ID, "The option value may be omitted."));
+ if (!(t = sfstruse(sp_info)))
+ goto nospace;
+ textout(sp_body, t, 0, 0, style, 4, 0, sp_info, version, NiL, NiL, &bflags);
+ y = " ";
+ }
+ if (v)
+ {
+ sfprintf(sp_info, "%s%s \b", y, T(NiL, ID, "The default value is"));
+ t = v + vl;
+ while (v < t)
+ {
+ if (((c = *v++) == ':' || c == '?') && *v == c)
+ v++;
+ sfputc(sp_info, c);
+ }
+ sfputc(sp_info, '\b');
+ sfputc(sp_info, '.');
+ if (!(t = sfstruse(sp_info)))
+ goto nospace;
+ textout(sp_body, t, 0, 0, style, 4, 0, sp_info, version, NiL, NiL, &bflags);
+ }
+ }
+ else if (!mutex)
+ sfputc(sp_body, ']');
+ }
+ if (*p == GO)
+ {
+ if (style >= STYLE_match)
+ p = textout(sp_body, p, 0, 0, style, 4, 0, sp_info, version, id, catalog, &bflags);
+ else
+ p = skip(p + 1, 0, 0, 0, 0, 1, 1, version);
+ }
+ }
+ else if (*p == GO)
+ p = skip(p + 1, 0, 0, 0, 0, 1, 1, version);
+ }
+ psp = pop(psp);
+ if (sp_misc)
+ {
+ if (!(p = sfstruse(sp_misc)))
+ goto nospace;
+ for (t = p; *t == '\t' || *t == '\n'; t++);
+ if (*t)
+ {
+ item(sp_body, C("IMPLEMENTATION"), 0, 0, style, sp_info, version, id, ID, &bflags);
+ sfputr(sp_body, p, -1);
+ }
+ }
+ }
+ if (oopts != o->oopts && oopts == top.oopts)
+ state.pass[0] = top;
+ version = o->version;
+ id = o->id;
+ catalog = o->catalog;
+ if (style >= STYLE_keys)
+ {
+ if (sp_info)
+ sfclose(sp_info);
+ if (style == STYLE_keys && sfstrtell(mp) > 1)
+ sfstrseek(mp, -1, SEEK_CUR);
+ if (!(p = sfstruse(mp)))
+ goto nospace;
+ return opt_info.msg = p;
+ }
+ sp = sp_text;
+ if (sfstrtell(sp) && style != STYLE_posix)
+ sfputc(sp, ']');
+ if (style == STYLE_nroff)
+ {
+ char rd[64];
+ char ud[64];
+
+ s = o->id;
+ t = ud;
+ while (t < &ud[sizeof(ud)-2] && (c = *s++))
+ {
+ if (islower(c))
+ c = toupper(c);
+ *t++ = c;
+ }
+ *t = 0;
+ t = rd;
+ if (s = o->release)
+ {
+ *t++ = ' ';
+ while (t < &rd[sizeof(rd)-2] && (c = *s++) && c != ']')
+ *t++ = c;
+ }
+ *t = 0;
+ sfprintf(sp, "\
+.\\\" format with nroff|troff|groff -man\n\
+.TH %s %s%s\n\
+.fp 5 CW\n\
+.nr mH 5\n\
+.de H0\n\
+.nr mH 0\n\
+.in 5n\n\
+\\fB\\\\$1\\fP\n\
+.in 7n\n\
+..\n\
+.de H1\n\
+.nr mH 1\n\
+.in 7n\n\
+\\fB\\\\$1\\fP\n\
+.in 9n\n\
+..\n\
+.de H2\n\
+.nr mH 2\n\
+.in 11n\n\
+\\fB\\\\$1\\fP\n\
+.in 13n\n\
+..\n\
+.de H3\n\
+.nr mH 3\n\
+.in 15n\n\
+\\fB\\\\$1\\fP\n\
+.in 17n\n\
+..\n\
+.de H4\n\
+.nr mH 4\n\
+.in 19n\n\
+\\fB\\\\$1\\fP\n\
+.in 21n\n\
+..\n\
+.de OP\n\
+.nr mH 0\n\
+.ie !'\\\\$1'-' \\{\n\
+.ds mO \\\\fB\\\\-\\\\$1\\\\fP\n\
+.ds mS ,\\\\0\n\
+.\\}\n\
+.el \\{\n\
+.ds mO \\\\&\n\
+.ds mS \\\\&\n\
+.\\}\n\
+.ie '\\\\$2'-' \\{\n\
+.if !'\\\\$4'-' .as mO \\\\0\\\\fI\\\\$4\\\\fP\n\
+.\\}\n\
+.el \\{\n\
+.as mO \\\\*(mS\\\\fB%s\\\\$2\\\\fP\n\
+.if !'\\\\$4'-' .as mO =\\\\fI\\\\$4\\\\fP\n\
+.\\}\n\
+.in 5n\n\
+\\\\*(mO\n\
+.in 9n\n\
+..\n\
+.de SP\n\
+.if \\\\n(mH==2 .in 9n\n\
+.if \\\\n(mH==3 .in 13n\n\
+.if \\\\n(mH==4 .in 17n\n\
+..\n\
+.de FN\n\
+.nr mH 0\n\
+.in 5n\n\
+\\\\$1 \\\\$2\n\
+.in 9n\n\
+..\n\
+.de DS\n\
+.in +3n\n\
+.ft 5\n\
+.nf\n\
+..\n\
+.de DE\n\
+.fi\n\
+.ft R\n\
+.in -3n\n\
+..\n\
+"
+, ud
+, section
+, rd
+, o->prefix == 2 ? "\\\\-\\\\-" : o->prefix == 1 ? "\\\\-" : ""
+);
+ }
+ if (style == STYLE_match)
+ {
+ if (!matched)
+ {
+ if (hp = (Help_t*)search(styles, elementsof(styles), sizeof(styles[0]), (char*)what))
+ {
+ if (!sp_help && !(sp_help = sfstropen()))
+ goto nospace;
+ sfprintf(sp_help, "[-][:%s?%s]", hp->match, hp->text);
+ if (!(opts = sfstruse(sp_help)))
+ goto nospace;
+ goto again;
+ }
+ s = (char*)unknown;
+ goto nope;
+ }
+ else if (matched < 0)
+ x = 0;
+ }
+ if (sp_plus)
+ {
+ if (sfstrtell(sp_plus))
+ {
+ if (sfstrtell(sp))
+ sfputc(sp, ' ');
+ if (!(t = sfstruse(sp_plus)))
+ goto nospace;
+ sfputr(sp, t, ']');
+ }
+ sfclose(sp_plus);
+ }
+ if (style >= STYLE_man)
+ {
+ if (sp_head)
+ {
+ if (!(t = sfstruse(sp_head)))
+ goto nospace;
+ for (; *t == '\n'; t++);
+ sfputr(sp, t, '\n');
+ sfclose(sp_head);
+ sp_head = 0;
+ }
+ if (x)
+ item(sp, C("SYNOPSIS"), 0, 0, style, sp_info, version, id, ID, &hflags);
+ }
+ if (x)
+ {
+ for (t = x + xl; t > x && (*(t - 1) == '\n' || *(t - 1) == '\r'); t--);
+ xl = t - x;
+ if (style >= STYLE_match)
+ {
+ u = id;
+ if (o->flags & OPT_functions)
+ t = 0;
+ else if (t = strchr(u, ':'))
+ {
+ if ((o->flags & OPT_module) && *(t + 1) == ':' && *(t + 2))
+ {
+ u = t + 2;
+ t = 0;
+ }
+ else
+ *t = 0;
+ }
+ args(sp, x, xl, o->flags, style, sp_info, version, u, catalog);
+ if (t)
+ *t = ':';
+ x = 0;
+ }
+ }
+ if (sp_body)
+ {
+ if (sfstrtell(sp_body))
+ {
+ if (style < STYLE_match && sfstrtell(sp))
+ sfputc(sp, ' ');
+ if (!(t = sfstruse(sp_body)))
+ goto nospace;
+ if (style == STYLE_html && !(dflags & HELP_head) && (bflags & HELP_head))
+ sfputr(sp, "\n</DIV>", '\n');
+ sfputr(sp, t, -1);
+ }
+ sfclose(sp_body);
+ sp_body = 0;
+ }
+ if (x && style != STYLE_posix)
+ args(sp, x, xl, flags, style, sp_info, version, id, catalog);
+ if (sp_info)
+ {
+ sfclose(sp_info);
+ sp_info = 0;
+ }
+ if (sp_misc)
+ {
+ sfclose(sp_misc);
+ sp_misc = 0;
+ }
+ if (!(p = sfstruse(sp)))
+ goto nospace;
+ astwinsize(1, NiL, &state.width);
+ if (state.width < 20)
+ state.width = OPT_WIDTH;
+ m = strlen((style <= STYLE_long && error_info.id && !strchr(error_info.id, '/')) ? error_info.id : id) + 1;
+ margin = style == STYLE_api ? (8 * 1024) : (state.width - 1);
+ if (!(state.flags & OPT_preformat))
+ {
+ if (style >= STYLE_man || matched < 0)
+ {
+ sfputc(mp, '\f');
+ ts = 0;
+ }
+ else
+ ts = OPT_USAGE + m;
+ if (style == STYLE_html)
+ {
+ char ud[64];
+
+ s = id;
+ t = ud;
+ while (t < &ud[sizeof(ud)-2] && (c = *s++))
+ {
+ if (islower(c))
+ c = toupper(c);
+ *t++ = c;
+ }
+ *t = 0;
+ sfprintf(mp, "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML//EN\">\n<HTML>\n<HEAD>\n<META name=\"generator\" content=\"optget (AT&T Research) 2011-11-11\">\n%s<TITLE>%s man document</TITLE>\n<STYLE type=\"text/css\">\ndiv.SH { padding-left:2em; text-indent:0em; }\ndiv.SY { padding-left:4em; text-indent:-2em; }\ndt { float:left; clear:both; }\ndd { margin-left:3em; }\n</STYLE>\n</HEAD>\n<BODY bgcolor=white>\n", (state.flags & OPT_proprietary) ? "<!--INTERNAL-->\n" : "", id);
+ sfprintf(mp, "<H4><TABLE width=100%%><TR><TH align=left>%s&nbsp;(&nbsp;%s&nbsp;)&nbsp;<TH align=center><A href=\".\" title=\"Index\">%s</A><TH align=right>%s&nbsp;(&nbsp;%s&nbsp;)</TR></TABLE></H4>\n<HR>\n", ud, section, T(NiL, ID, secname(section)), ud, section);
+ co = 2;
+ pt = ptstk;
+ pt->level = 0;
+ pt->id = TAG_DIV;
+ }
+ else
+ co = 0;
+ if ((rm = margin - ts) < OPT_MARGIN)
+ rm = OPT_MARGIN;
+ ip = indent;
+ ip->stop = (ip+1)->stop = style >= STYLE_html ? 0 : 2;
+ tp = 0;
+ n = 0;
+ head = 1;
+ while (*p == '\n')
+ p++;
+ while (c = *p++)
+ {
+ if (c == '\n')
+ {
+ ip = indent;
+ n = 0;
+ tp = 0;
+ sfputc(mp, '\n');
+ co = 0;
+ rm = margin;
+ ts = ip->stop;
+ if (*p == '\n')
+ {
+ while (*++p == '\n');
+ if ((style == STYLE_man || style == STYLE_html) && (!head || *p != ' ' && *p != '\t'))
+ {
+ if (style == STYLE_man)
+ p--;
+ else
+ sfprintf(mp, "<P>\n");
+ }
+ }
+ head = *p != ' ' && *p != '\t';
+ if (style == STYLE_html && (*p != '<' || !strneq(p, "<BR>", 4) && !strneq(p, "<P>", 3)))
+ {
+ y = p;
+ while (*p == '\t')
+ p++;
+ if (*p == '\n')
+ continue;
+ j = p - y;
+ if (j > pt->level)
+ {
+ pt++;
+ pt->level = j;
+ pt->id = TAG_NONE;
+ for (y = p; *y && *y != '\n'; y++)
+ if (*y == '\t')
+ {
+ pt->id = TAG_DL;
+ sfprintf(mp, "<DL>\n");
+ break;
+ }
+ }
+ else
+ while (j < pt->level && pt > ptstk)
+ {
+ sfprintf(mp, "%s", end[pt->id]);
+ pt--;
+ }
+ if (pt->id == TAG_DL)
+ {
+ dt = p;
+ sfprintf(mp, "<DT>");
+ }
+ else
+ dt = 0;
+ }
+ }
+ else if (c == '\t')
+ {
+ if (style == STYLE_html)
+ {
+ while (*p == '\t')
+ p++;
+ if (*p != '\n')
+ {
+ co += sfprintf(mp, "<DD>");
+ if (dt)
+ {
+ c = 0;
+ m = 0;
+ for (;;)
+ {
+ switch (*dt++)
+ {
+ case '\t':
+ break;
+ case '<':
+ c = '>';
+ continue;
+ case '>':
+ if (c == '>')
+ c = 0;
+ else
+ m++;
+ continue;
+ case '&':
+ c = ';';
+ continue;
+ case ';':
+ if (c == ';')
+ c = 0;
+ m++;
+ continue;
+ default:
+ if (!c)
+ m++;
+ continue;
+ }
+ break;
+ }
+ if (m >= 5)
+ co += sfprintf(mp, "<BR>");
+ }
+ }
+ }
+ else
+ {
+ if ((ip+1)->stop)
+ {
+ do
+ {
+ ip++;
+ if (*p != '\t')
+ break;
+ p++;
+ } while ((ip+1)->stop);
+ if (*p == '\n')
+ continue;
+ ts = ip->stop;
+ if (co >= ts)
+ {
+ sfputc(mp, '\n');
+ co = 0;
+ rm = margin;
+ ts = ip->stop;
+ }
+ }
+ while (co < ts)
+ {
+ sfputc(mp, ' ');
+ co++;
+ }
+ }
+ }
+ else
+ {
+ if (c == ' ' && !n)
+ {
+ if (co >= rm)
+ tp = 0;
+ else
+ {
+ tp = sfstrtell(mp);
+ pp = p;
+ }
+ if (style == STYLE_nroff && !co)
+ continue;
+ }
+ else if (style == STYLE_html)
+ {
+ if (c == '<')
+ {
+ if (strneq(p, "NOBR>", 5))
+ n++;
+ else if (n && strneq(p, "/NOBR>", 6) && !--n)
+ {
+ for (y = p += 6; (c = *p) && c != ' ' && c != '\t' && c != '\n' && c != '<'; p++)
+ if (c == '[')
+ sfputr(mp, "&#0091;", -1);
+ else if (c == ']')
+ sfputr(mp, "&#0093;", -1);
+ else
+ sfputc(mp, c);
+ sfwrite(mp, "</NOBR", 6);
+ c = '>';
+ co += p - y + 6;
+ }
+ }
+ else if (c == '>' && !n)
+ {
+ for (y = --p; (c = *p) && c != ' ' && c != '\t' && c != '\n' && c != '<'; p++)
+ if (c == '[')
+ sfputr(mp, "&#0091;", -1);
+ else if (c == ']')
+ sfputr(mp, "&#0093;", -1);
+ else
+ sfputc(mp, c);
+ c = *sfstrseek(mp, -1, SEEK_CUR);
+ if (p > y + 1)
+ {
+ tp = 0;
+ co += p - y - 1;
+ }
+ if (co >= rm)
+ tp = 0;
+ else
+ {
+ tp = sfstrtell(mp);
+ pp = p;
+ }
+ }
+ else if (c == '[')
+ {
+ sfputr(mp, "&#0091", -1);
+ c = ';';
+ }
+ else if (c == ']')
+ {
+ sfputr(mp, "&#0093", -1);
+ c = ';';
+ }
+ else if (c == 'h')
+ {
+ y = p;
+ if (*y++ == 't' && *y++ == 't' && *y++ == 'p' && (*y == ':' || *y++ == 's' && *y == ':') && *y++ == ':' && *y++ == '/' && *y++ == '/')
+ {
+ while (isalnum(*y) || *y == '_' || *y == '/' || *y == '-' || *y == '.')
+ y++;
+ if (*y == '?')
+ while (isalnum(*y) || *y == '_' || *y == '/' || *y == '-' || *y == '.' || *y == '?' || *y == '=' || *y == '%' || *y == '&' || *y == ';' || *y == '#')
+ y++;
+ if (*(y - 1) == '.')
+ y--;
+ p--;
+ sfprintf(mp, "<A href=\"%-.*s\">%-.*s</A", y - p, p, y - p, p);
+ p = y;
+ c = '>';
+ }
+ }
+ else if (c == 'C')
+ {
+ y = p;
+ if (*y++ == 'o' && *y++ == 'p' && *y++ == 'y' && *y++ == 'r' && *y++ == 'i' && *y++ == 'g' && *y++ == 'h' && *y++ == 't' && *y++ == ' ' && *y++ == '(' && (*y++ == 'c' || *(y - 1) == 'C') && *y++ == ')')
+ {
+ sfputr(mp, "Copyright &copy", -1);
+ p = y;
+ c = ';';
+ }
+ }
+ }
+ else if (c == ']')
+ {
+ if (n)
+ n--;
+ }
+ else if (c == '[')
+ n++;
+ if (c == CC_esc)
+ {
+ sfputc(mp, c);
+ do
+ {
+ if (!(c = *p++))
+ {
+ p--;
+ break;
+ }
+ sfputc(mp, c);
+ } while (c < 'a' || c > 'z');
+ }
+ else if (co++ >= rm && !n)
+ {
+ if (tp)
+ {
+ if (*sfstrseek(mp, tp, SEEK_SET) != ' ')
+ sfstrseek(mp, 1, SEEK_CUR);
+ tp = 0;
+ p = pp;
+ n = 0;
+ }
+ else if (c != ' ' && c != '\n')
+ sfputc(mp, c);
+ if (*p == ' ')
+ p++;
+ if (*p != '\n')
+ {
+ sfputc(mp, '\n');
+ for (co = 0; co < ts; co++)
+ sfputc(mp, ' ');
+ rm = margin;
+ }
+ }
+ else
+ sfputc(mp, c);
+ }
+ }
+ for (d = sfstrbase(mp), t = sfstrseek(mp, 0, SEEK_CUR); t > d && ((c = *(t - 1)) == '\n' || c == '\r' || c == ' ' || c == '\t'); t--);
+ sfstrseek(mp, t - d, SEEK_SET);
+ if (style == STYLE_html)
+ {
+ sfprintf(mp, "\n");
+ while (pt > ptstk)
+ {
+ sfprintf(mp, "%s", end[pt->id]);
+ pt--;
+ }
+ sfprintf(mp, "</DIV>\n</BODY>\n</HTML>");
+ }
+ }
+ else
+ sfputr(mp, p, 0);
+ if (!(p = sfstruse(mp)))
+ goto nospace;
+ if (sp)
+ sfclose(sp);
+ return opt_info.msg = p;
+ nospace:
+ s = T(NiL, ID, "[* out of space *]");
+ nope:
+ if (psp)
+ pop(psp);
+ if (sp_help)
+ sfclose(sp_help);
+ if (sp_text)
+ sfclose(sp_text);
+ if (sp_plus)
+ sfclose(sp_plus);
+ if (sp_info)
+ sfclose(sp_info);
+ if (sp_head)
+ sfclose(sp_head);
+ if (sp_body)
+ sfclose(sp_body);
+ if (sp_misc)
+ sfclose(sp_misc);
+ return s;
+}
+
+/*
+ * compatibility wrapper to opthelp()
+ */
+
+char*
+optusage(const char* opts)
+{
+ return opthelp(opts, NiL);
+}
+
+/*
+ * convert number using strtonll() *except* that
+ * 0*[[:digit:]].* is treated as [[:digit:]].*
+ * i.e., it looks octal but isn't, to meet
+ * posix Utility Argument Syntax -- use
+ * 0x.* or <base>#* for alternate bases
+ */
+
+static intmax_t
+optnumber(const char* s, char** t, int* e)
+{
+ intmax_t n;
+ int oerrno;
+
+ while (*s == '0' && isdigit(*(s + 1)))
+ s++;
+ oerrno = errno;
+ errno = 0;
+ n = strtonll(s, t, NiL, 0);
+ if (e)
+ *e = errno;
+ errno = oerrno;
+ return n;
+}
+
+/*
+ * point opt_info.arg to an error/info message for opt_info.name
+ * p points to opts location for opt_info.name
+ * optget() return value is returned
+ */
+
+static int
+opterror(register char* p, int err, int version, char* id, char* catalog)
+{
+ register Sfio_t* mp;
+ register Sfio_t* tp;
+ register char* s;
+ register int c;
+
+ if (opt_info.num != LONG_MIN)
+ opt_info.num = (long)(opt_info.number = 0);
+ if (!p || !(mp = state.mp) && !(mp = state.mp = sfstropen()))
+ goto nospace;
+ s = *p == '-' ? p : opt_info.name;
+ if (*p == '!')
+ {
+ while (*s == '-')
+ sfputc(mp, *s++);
+ sfputc(mp, 'n');
+ sfputc(mp, 'o');
+ }
+ sfputr(mp, s, ':');
+ sfputc(mp, ' ');
+ if (*p == '#' || *p == ':')
+ {
+ if (*p == '#')
+ {
+ s = T(NiL, ID, "numeric");
+ sfputr(mp, s, ' ');
+ }
+ if (*(p = next(p + 1, version)) == '[')
+ {
+ p = skip(s = p + 1, ':', '?', 0, 1, 0, 0, version);
+ tp = X(catalog) ? state.xp : mp;
+ while (s < p)
+ {
+ if ((c = *s++) == '?' || c == ']')
+ s++;
+ sfputc(tp, c);
+ }
+ if (!X(catalog))
+ sfputc(mp, ' ');
+ else if (p = sfstruse(tp))
+ sfputr(mp, T(id, catalog, p), ' ');
+ else
+ goto nospace;
+ }
+ p = opt_info.name[2] ? C("value expected") : C("argument expected");
+ }
+ else if (*p == '*' || *p == '&')
+ {
+ sfputr(mp, opt_info.arg, ':');
+ sfputc(mp, ' ');
+ p = *p == '&' ? C("ambiguous option argument value") : C("unknown option argument value");
+ }
+ else if (*p == '=' || *p == '!')
+ p = C("value not expected");
+ else if (*p == '?')
+ p = *(p + 1) == '?' ? C("optget: option not supported") : C("ambiguous option");
+ else if (*p == '+')
+ p = C("section not found");
+ else
+ {
+ if (opt_info.option[0] != '?' && opt_info.option[0] != '-' || opt_info.option[1] != '?' && opt_info.option[1] != '-')
+ opt_info.option[0] = 0;
+ p = C("unknown option");
+ }
+ p = T(NiL, ID, p);
+ sfputr(mp, p, -1);
+ if (err)
+ sfputr(mp, " -- out of range", -1);
+ if (opt_info.arg = sfstruse(mp))
+ return ':';
+ nospace:
+ opt_info.arg = T(NiL, ID, "[* out of space *]");
+ return ':';
+}
+
+/*
+ * argv: command line argv where argv[0] is command name
+ *
+ * opts: option control string
+ *
+ * '[' [flag][=][index][:<long-name>[|<alias-name>...]['?'description]] ']'
+ * long option name, index, description; -index returned
+ * ':' option takes string arg
+ * '#' option takes numeric arg (concat option may follow)
+ * '?' (option) following options not in usage
+ * (following # or :) optional arg
+ * '[' '[' ... ] ... '[' ... ']' ']'
+ * mutually exclusive option grouping
+ * '[' name [:attr]* [?description] ']'
+ * (following # or :) optional option arg description
+ * '\n'[' '|'\t']* ignored for legibility
+ * ' ' ... optional argument(s) description (to end of string)
+ * or after blank line
+ * ']]' literal ']' within '[' ... ']'
+ *
+ * return:
+ * 0 no more options
+ * '?' usage: opt_info.arg points to message sans
+ * `Usage: command '
+ * ':' error: opt_info.arg points to message sans `command: '
+ *
+ * ':' '#' ' ' '[' ']'
+ * invalid option chars
+ *
+ * -- terminates option list and returns 0
+ *
+ * + as first opts char makes + equivalent to -
+ *
+ * if any # option is specified then numeric options (e.g., -123)
+ * are associated with the leftmost # option in opts
+ *
+ * usage info in placed opt_info.arg when '?' returned
+ * see help_text[] (--???) for more info
+ */
+
+int
+optget(register char** argv, const char* oopts)
+{
+ register int c;
+ register char* s;
+ char* a;
+ char* b;
+ char* e;
+ char* f;
+ char* g;
+ char* v;
+ char* w;
+ char* p;
+ char* q;
+ char* t;
+ char* y;
+ char* numopt;
+ char* opts;
+ char* id;
+ char* catalog;
+ int n;
+ int m;
+ int k;
+ int j;
+ int x;
+ int err;
+ int no;
+ int nov;
+ int num;
+ int numchr;
+ int prefix;
+ int version;
+ Help_t* hp;
+ Push_t* psp;
+ Push_t* tsp;
+ Sfio_t* vp;
+ Sfio_t* xp;
+ Optcache_t* cache;
+ Optcache_t* pcache;
+ Optpass_t* pass;
+
+#if !_PACKAGE_astsa && !_YOU_FIGURED_OUT_HOW_TO_GET_ALL_DLLS_TO_DO_THIS_
+ /*
+ * these are not initialized by all dlls!
+ */
+
+ extern Error_info_t _error_info_;
+ extern Opt_t _opt_info_;
+
+ if (!_error_infop_)
+ _error_infop_ = &_error_info_;
+ if (!_opt_infop_)
+ _opt_infop_ = &_opt_info_;
+#endif
+ if (!oopts)
+ return 0;
+ state.pindex = opt_info.index;
+ state.poffset = opt_info.offset;
+ if (!opt_info.index)
+ {
+ opt_info.index = 1;
+ opt_info.offset = 0;
+ if (state.npass)
+ {
+ state.npass = 0;
+ state.join = 0;
+ }
+ }
+ if (!argv)
+ cache = 0;
+ else
+ for (pcache = 0, cache = state.cache; cache; pcache = cache, cache = cache->next)
+ if (cache->pass.oopts == (char*)oopts)
+ break;
+ if (cache)
+ {
+ if (pcache)
+ {
+ pcache->next = cache->next;
+ cache->next = state.cache;
+ state.cache = cache;
+ }
+ pass = &cache->pass;
+ state.npass = -1;
+ }
+ else
+ {
+ if (!argv)
+ n = state.npass ? state.npass : 1;
+ else if ((n = state.join - 1) < 0)
+ n = 0;
+ if (n >= state.npass || state.pass[n].oopts != (char*)oopts)
+ {
+ for (m = 0; m < state.npass && state.pass[m].oopts != (char*)oopts; m++);
+ if (m < state.npass)
+ n = m;
+ else
+ {
+ if (n >= elementsof(state.pass))
+ n = elementsof(state.pass) - 1;
+ init((char*)oopts, &state.pass[n]);
+ if (state.npass <= n)
+ state.npass = n + 1;
+ }
+ }
+ if (!argv)
+ return 0;
+ pass = &state.pass[n];
+ }
+ opts = pass->opts;
+ prefix = pass->prefix;
+ version = pass->version;
+ id = pass->id;
+ if (!(xp = state.xp) || (catalog = pass->catalog) && !X(catalog))
+ catalog = 0;
+ else /* if (!error_info.catalog) */
+ error_info.catalog = catalog;
+ again:
+ psp = 0;
+
+ /*
+ * check if any options remain and determine if the
+ * next option is short or long
+ */
+
+ opt_info.assignment = 0;
+ num = 1;
+ w = v = 0;
+ x = 0;
+ for (;;)
+ {
+ if (!opt_info.offset)
+ {
+ /*
+ * finished with the previous arg
+ */
+
+ if (opt_info.index == 1 && opt_info.argv != state.strv)
+ {
+ opt_info.argv = 0;
+ state.argv[0] = 0;
+ if (argv[0] && (state.argv[0] = save(argv[0], strlen(argv[0]), 0, 0, 0, 0)))
+ opt_info.argv = state.argv;
+ state.style = STYLE_short;
+ }
+ if (!(s = argv[opt_info.index]))
+ return 0;
+ if (!prefix)
+ {
+ /*
+ * long with no prefix (dd style)
+ */
+
+ n = 2;
+ if ((c = *s) != '-' && c != '+')
+ c = '-';
+ else if (*++s == c)
+ {
+ if (!*++s)
+ {
+ opt_info.index++;
+ return 0;
+ }
+ else if (*s == c)
+ return 0;
+ }
+ else if (*s == '?')
+ n = 1;
+ }
+ else if ((c = *s++) != '-' && (c != '+' || !(pass->flags & OPT_plus) && (!(pass->flags & OPT_numeric) || !isdigit(*s))))
+ {
+ if (!(pass->flags & OPT_old) || !isalpha(c))
+ return 0;
+ s--;
+ n = 1;
+ opt_info.offset--;
+ }
+ else if (*s == c)
+ {
+ if (!*++s)
+ {
+ /*
+ * -- or ++ end of options
+ */
+
+ opt_info.index++;
+ return 0;
+ }
+ else if (*s == c)
+ {
+ /*
+ * ---* or +++* are operands
+ */
+
+ return 0;
+ }
+ if (version || *s == '?' || !(pass->flags & OPT_minus))
+ {
+ /*
+ * long with double prefix
+ */
+
+ n = 2;
+ }
+ else
+ {
+ /*
+ * short option char '-'
+ */
+
+ s--;
+ n = 1;
+ }
+ }
+ else if (prefix == 1 && *s != '?')
+ {
+ /*
+ * long with single prefix (find style)
+ */
+
+ n = 2;
+ }
+ else
+ {
+ /*
+ * short (always with single prefix)
+ */
+
+ n = 1;
+ }
+
+ /*
+ * just a prefix is an option (e.g., `-' == stdin)
+ */
+
+ if (!*s)
+ return 0;
+ if (c == '+')
+ opt_info.arg = 0;
+ if (n == 2)
+ {
+ x = 0;
+ state.style = STYLE_long;
+ opt_info.option[0] = opt_info.name[0] = opt_info.name[1] = c;
+ w = &opt_info.name[prefix];
+ if ((*s == 'n' || *s == 'N') && (*(s + 1) == 'o' || *(s + 1) == 'O') && *(s + 2) && *(s + 2) != '=')
+ no = *(s + 2) == '-' ? 3 : 2;
+ else
+ no = 0;
+ for (c = *s; *s; s++)
+ {
+ if (*s == '=')
+ {
+ if (*(s + 1) == '=')
+ s++;
+ if (!isalnum(*(s - 1)) && *(w - 1) == (opt_info.assignment = *(s - 1)))
+ w--;
+ v = ++s;
+ break;
+ }
+ if (w < &opt_info.name[elementsof(opt_info.name) - 1] && *s != ':' && *s != '|' && *s != '[' && *s != ']')
+ *w++ = *s;
+ }
+ *w = 0;
+ w = &opt_info.name[prefix];
+ c = *w;
+ opt_info.offset = 0;
+ opt_info.index++;
+ break;
+ }
+ opt_info.offset++;
+ }
+ if (!argv[opt_info.index])
+ return 0;
+ if (c = argv[opt_info.index][opt_info.offset++])
+ {
+ if ((k = argv[opt_info.index][0]) != '-' && k != '+')
+ k = '-';
+ opt_info.option[0] = opt_info.name[0] = k;
+ opt_info.option[1] = opt_info.name[1] = c;
+ opt_info.option[2] = opt_info.name[2] = 0;
+ break;
+ }
+ opt_info.offset = 0;
+ opt_info.index++;
+ }
+
+ /*
+ * at this point:
+ *
+ * c the first character of the option
+ * w long option name if != 0, otherwise short
+ * v long option value (via =) if w != 0
+ */
+
+ if (c == '?')
+ {
+ /*
+ * ? always triggers internal help
+ */
+
+ if (!state.msgdict)
+ initdict();
+ if (w)
+ {
+ if (!v && (*(w + 1) || !(v = argv[opt_info.index]) || !++opt_info.index))
+ v = w + 1;
+ else if (w[0] != '?' || w[1])
+ {
+ s = w;
+ w = v;
+ v = s + 1;
+ }
+ }
+ opt_info.option[1] = c;
+ opt_info.option[2] = 0;
+ if (!w)
+ {
+ opt_info.name[1] = c;
+ opt_info.name[2] = 0;
+ }
+ goto help;
+ }
+ else if (w && !state.msgdict)
+ initdict();
+ numopt = 0;
+ f = 0;
+ s = opts;
+
+ /*
+ * no option can start with these characters
+ */
+
+ if (c == ':' || c == '#' || c == ' ' || c == '[' || c == ']')
+ {
+ if (c != *s)
+ s = "";
+ }
+ else
+ {
+ a = 0;
+ if (!w && (pass->flags & OPT_cache))
+ {
+ if (cache)
+ {
+ if (k = cache->flags[map[c]])
+ {
+ opt_info.arg = 0;
+
+ /*
+ * this is a ksh getopts workaround
+ */
+
+ if (opt_info.num != LONG_MIN)
+ opt_info.num = (long)(opt_info.number = !(k & OPT_cache_invert));
+ if (!(k & (OPT_cache_string|OPT_cache_numeric)))
+ return c;
+ if (*(opt_info.arg = &argv[opt_info.index++][opt_info.offset]))
+ {
+ if (!(k & OPT_cache_numeric))
+ {
+ opt_info.offset = 0;
+ return c;
+ }
+ opt_info.num = (long)(opt_info.number = optnumber(opt_info.arg, &e, &err));
+ if (err || e == opt_info.arg)
+ {
+ if (!err && (k & OPT_cache_optional))
+ {
+ opt_info.arg = 0;
+ opt_info.index--;
+ return c;
+ }
+ }
+ else if (*e)
+ {
+ opt_info.offset += e - opt_info.arg;
+ opt_info.index--;
+ return c;
+ }
+ else
+ {
+ opt_info.offset = 0;
+ return c;
+ }
+ }
+ else if (opt_info.arg = argv[opt_info.index])
+ {
+ opt_info.index++;
+ if ((k & OPT_cache_optional) && (*opt_info.arg == '-' || (pass->flags & OPT_plus) && *opt_info.arg == '+') && *(opt_info.arg + 1))
+ {
+ opt_info.arg = 0;
+ opt_info.index--;
+ opt_info.offset = 0;
+ return c;
+ }
+ if (k & OPT_cache_string)
+ {
+ opt_info.offset = 0;
+ return c;
+ }
+ opt_info.num = (long)(opt_info.number = optnumber(opt_info.arg, &e, &err));
+ if (!err)
+ {
+ if (!*e)
+ {
+ opt_info.offset = 0;
+ return c;
+ }
+ if (k & OPT_cache_optional)
+ {
+ opt_info.arg = 0;
+ opt_info.index--;
+ opt_info.offset = 0;
+ return c;
+ }
+ }
+ }
+ else if (k & OPT_cache_optional)
+ {
+ opt_info.offset = 0;
+ return c;
+ }
+ opt_info.index--;
+ }
+ cache = 0;
+ }
+ else if (cache = newof(0, Optcache_t, 1, 0))
+ {
+ cache->caching = c;
+ c = 0;
+ cache->pass = *pass;
+ cache->next = state.cache;
+ state.cache = cache;
+ }
+ }
+ else
+ cache = 0;
+ for (;;)
+ {
+ if (!(*(s = next(s, version))) || *s == '\n' || *s == ' ')
+ {
+ if (!(tsp = psp))
+ {
+ if (cache)
+ {
+ /*
+ * the first loop pass
+ * initialized the cache
+ * so one more pass to
+ * check the cache or
+ * bail for a full scan
+ */
+
+ cache->flags[0] = 0;
+ c = cache->caching;
+ cache->caching = 0;
+ cache = 0;
+ s = opts;
+ continue;
+ }
+ if (!x && catalog)
+ {
+ /*
+ * the first loop pass
+ * translated long
+ * options and there
+ * were no matches so
+ * one more pass for C
+ * locale
+ */
+
+ catalog = 0;
+ s = opts;
+ continue;
+ }
+ s = "";
+ break;
+ }
+ s = psp->ob;
+ psp = psp->next;
+ free(tsp);
+ continue;
+ }
+ if (*s == '\f')
+ {
+ psp = info(psp, s + 1, NiL, xp, id);
+ if (psp->nb)
+ s = psp->nb;
+ else
+ {
+ s = psp->ob;
+ psp = psp->next;
+ }
+ continue;
+ }
+ message((-20, "optget: opt %s c %c w %s num %ld", show(s), c, w, num));
+ if (*s == c && !w)
+ break;
+ else if (*s == '[')
+ {
+ s = next(s + 1, version);
+ if (*s == '(')
+ {
+ s = nest(f = s);
+ if (!conformance(f, s - f))
+ goto disable;
+ }
+ k = *(f = s);
+ if (k == '+' || k == '-')
+ /* ignore */;
+ else if (k == '[' || version < 1)
+ continue;
+ else if (w && !cache)
+ {
+ nov = no;
+ if (*(s + 1) == '\f' && (vp = state.vp))
+ {
+ sfputc(vp, k);
+ s = expand(s + 2, NiL, &t, vp, id);
+ if (*s)
+ *(f = s - 1) = k;
+ else
+ {
+ f = sfstrbase(vp);
+ if (s = strrchr(f, ':'))
+ f = s - 1;
+ else
+ s = f + 1;
+ }
+ }
+ else
+ t = 0;
+ if (*s != ':')
+ s = skip(s, ':', '?', 0, 1, 0, 0, version);
+ if (*s == ':')
+ {
+ if (catalog)
+ {
+ p = skip(s + 1, '?', 0, 0, 1, 0, 0, version);
+ e = sfprints("%-.*s", p - (s + 1), s + 1);
+ g = T(id, catalog, e);
+ if (g == e)
+ p = 0;
+ else
+ {
+ sfprintf(xp, ":%s|%s?", g, e);
+ if (!(s = sfstruse(xp)))
+ goto nospace;
+ }
+ }
+ else
+ p = 0;
+ y = w;
+ for (;;)
+ {
+ n = m = 0;
+ e = s + 1;
+ while (*++s)
+ {
+ if (*s == '*' || *s == '\a')
+ {
+ if (*s == '\a')
+ do
+ {
+ if (!*++s)
+ {
+ s--;
+ break;
+ }
+ } while (*s != '\a');
+ j = *(s + 1);
+ if (j == ':' || j == '|' || j == '?' || j == ']' || j == 0)
+ {
+ while (*w)
+ w++;
+ m = 0;
+ break;
+ }
+ m = 1;
+ }
+ else if (*s == *w || SEP(*s) && SEP(*w))
+ w++;
+ else if (*w == 0)
+ break;
+ else if (!SEP(*s))
+ {
+ if (SEP(*w))
+ {
+ if (*++w == *s)
+ {
+ w++;
+ continue;
+ }
+ }
+ else if (w == y || SEP(*(w - 1)) || isupper(*(w - 1)) && islower(*w))
+ break;
+ for (q = s; *q && !SEP(*q) && *q != '|' && *q != '?' && *q != ']'; q++);
+ if (!SEP(*q))
+ break;
+ for (s = q; w > y && *w != *(s + 1); w--);
+ }
+ else if (*w != *(s + 1))
+ break;
+ }
+ if (!*w)
+ {
+ nov = 0;
+ break;
+ }
+ if (n = no)
+ {
+ m = 0;
+ s = e - 1;
+ w = y + n;
+ while (*++s)
+ {
+ if (*s == '*' || *s == '\a')
+ {
+ if (*s == '\a')
+ do
+ {
+ if (!*++s)
+ {
+ s--;
+ break;
+ }
+ } while (*s != '\a');
+ j = *(s + 1);
+ if (j == ':' || j == '|' || j == '?' || j == ']' || j == 0)
+ {
+ while (*w)
+ w++;
+ m = 0;
+ break;
+ }
+ m = 1;
+ }
+ else if (*s == *w || SEP(*s) && SEP(*w))
+ w++;
+ else if (*w == 0)
+ break;
+ else if (!SEP(*s))
+ {
+ if (SEP(*w))
+ {
+ if (*++w == *s)
+ {
+ w++;
+ continue;
+ }
+ }
+ else if (w == y || SEP(*(w - 1)) || isupper(*(w - 1)) && islower(*w))
+ break;
+ for (q = s; *q && !SEP(*q) && *q != '|' && *q != '?' && *q != ']'; q++);
+ if (!SEP(*q))
+ break;
+ for (s = q; w > y && *w != *(s + 1); w--);
+ }
+ else if (*w != *(s + 1))
+ break;
+ }
+ if (!*w)
+ break;
+ }
+ if (*(s = skip(s, ':', '|', '?', 1, 0, 0, version)) != '|')
+ break;
+ w = y;
+ }
+ if (p)
+ s = p;
+ if (!*w)
+ {
+ if (n)
+ num = 0;
+ if (!(n = (m || *s == ':' || *s == '|' || *s == '?' || *s == ']' || *s == 0)) && x)
+ {
+ psp = pop(psp);
+ return opterror("?", 0, version, id, catalog);
+ }
+ for (x = k; *(f + 1) == '|' && (j = *(f + 2)) && j != '!' && j != '=' && j != ':' && j != '?' && j != ']'; f += 2);
+ if (*f == ':')
+ {
+ x = -1;
+ opt_info.option[1] = '-';
+ opt_info.option[2] = 0;
+ }
+ else if (*(f + 1) == ':' || *(f + 1) == '!' && *(f + 2) == ':')
+ {
+ opt_info.option[1] = x;
+ opt_info.option[2] = 0;
+ }
+ else
+ {
+ a = f;
+ if (*a == '=')
+ a++;
+ else
+ {
+ if (*(a + 1) == '!')
+ a++;
+ if (*(a + 1) == '=')
+ a += 2;
+ }
+ x = -strtol(a, &b, 0);
+ if ((b - a) > sizeof(opt_info.option) - 2)
+ b = a + sizeof(opt_info.option) - 2;
+ memcpy(&opt_info.option[1], a, b - a);
+ opt_info.option[b - a + 1] = 0;
+ }
+ b = e;
+ if (t)
+ {
+ s = t;
+ t = 0;
+ }
+ a = s = skip(s, 0, 0, 0, 1, 0, 0, version);
+ if (n)
+ {
+ w = y;
+ break;
+ }
+ }
+ w = y;
+ }
+ else if (k == c && prefix == 1)
+ {
+ w = 0;
+ opt_info.name[1] = c;
+ opt_info.name[2] = 0;
+ opt_info.offset = 2;
+ opt_info.index--;
+ break;
+ }
+ if (t)
+ {
+ s = t;
+ if (a)
+ a = t;
+ }
+ }
+ disable:
+ s = skip(s, 0, 0, 0, 1, 0, 1, version);
+ if (*s == GO)
+ s = skip(s + 1, 0, 0, 0, 0, 1, 1, version);
+ if (cache)
+ {
+ m = OPT_cache_flag;
+ v = s;
+ if (*v == '#')
+ {
+ v++;
+ m |= OPT_cache_numeric;
+ }
+ else if (*v == ':')
+ {
+ v++;
+ m |= OPT_cache_string;
+ }
+ if (*v == '?')
+ {
+ v++;
+ m |= OPT_cache_optional;
+ }
+ else if (*v == *(v - 1))
+ v++;
+ if (*(v = next(v, version)) == '[')
+ v = skip(v + 1, 0, 0, 0, 1, 0, 1, version);
+ if (*v != GO)
+ {
+ v = f;
+ for (;;)
+ {
+ if (isdigit(*f) && isdigit(*(f + 1)))
+ while (isdigit(*(f + 1)))
+ f++;
+ else if (*(f + 1) == '=')
+ break;
+ else
+ cache->flags[map[*f]] = m;
+ j = 0;
+ while (*(f + 1) == '|')
+ {
+ f += 2;
+ if (!(j = *f) || j == '!' || j == '=' || j == ':' || j == '?' || j == ']')
+ break;
+ cache->flags[map[j]] = m;
+ }
+ if (j != '!' || (m & OPT_cache_invert))
+ break;
+ f = v;
+ m |= OPT_cache_invert;
+ }
+ }
+ }
+ else
+ {
+ m = 0;
+ if (!w)
+ {
+ if (isdigit(*f) && isdigit(*(f + 1)))
+ k = -1;
+ if (c == k)
+ m = 1;
+ while (*(f + 1) == '|')
+ {
+ f += 2;
+ if (!(j = *f))
+ {
+ m = 0;
+ break;
+ }
+ else if (j == c)
+ m = 1;
+ else if (j == '!' || j == '=' || j == ':' || j == '?' || j == ']')
+ break;
+ }
+ }
+ if (m)
+ {
+ s--;
+ if (*++f == '!')
+ {
+ f++;
+ num = 0;
+ }
+ if (*f == '=')
+ {
+ c = -strtol(++f, &b, 0);
+ if ((b - f) > sizeof(opt_info.option) - 2)
+ b = f + sizeof(opt_info.option) - 2;
+ memcpy(&opt_info.option[1], f, b - f);
+ opt_info.option[b - f + 1] = 0;
+ }
+ else
+ c = k;
+ break;
+ }
+ }
+ if (*s == '#')
+ {
+ if (!numopt && s > opts)
+ {
+ numopt = s - 1;
+ numchr = k;
+ if (*f == ':')
+ numchr = -1;
+ else if (*(f + 1) != ':' && *(f + 1) != '!' && *(f + 1) != ']')
+ {
+ a = f;
+ if (*a == '=')
+ a++;
+ else
+ {
+ if (*(a + 1) == '!')
+ a++;
+ if (*(a + 1) == '=')
+ a += 2;
+ }
+ numchr = -strtol(a, NiL, 0);
+ }
+ }
+ }
+ else if (*s != ':')
+ continue;
+ }
+ else if (*s == ']')
+ {
+ s++;
+ continue;
+ }
+ else if (*s == '#')
+ {
+ if (!numopt && s > opts)
+ numchr = *(numopt = s - 1);
+ }
+ else if (*s != ':')
+ {
+ if (cache)
+ {
+ m = OPT_cache_flag;
+ if (*(s + 1) == '#')
+ {
+ m |= OPT_cache_numeric;
+ if (*(s + 2) == '?')
+ m |= OPT_cache_optional;
+ }
+ else if (*(s + 1) == ':')
+ {
+ m |= OPT_cache_string;
+ if (*(s + 2) == '?')
+ m |= OPT_cache_optional;
+ }
+ cache->flags[map[*s]] = m;
+ }
+ s++;
+ continue;
+ }
+ message((-21, "optget: opt %s", show(s)));
+ if (*++s == '?' || *s == *(s - 1))
+ s++;
+ if (*(s = next(s, version)) == '[')
+ {
+ s = skip(s + 1, 0, 0, 0, 1, 0, 1, version);
+ if (*s == GO)
+ s = skip(s + 1, 0, 0, 0, 0, 1, 1, version);
+ }
+ message((-21, "optget: opt %s", show(s)));
+ }
+ if (w && x)
+ {
+ s = skip(b, '|', '?', 0, 1, 0, 0, version);
+ if (v && (a == 0 || *a == 0 || *(a + 1) != ':' && *(a + 1) != '#') && (*v == '0' || *v == '1') && !*(v + 1))
+ {
+ if (*v == '0')
+ num = !num;
+ v = 0;
+ }
+ if ((s - b) >= elementsof(opt_info.name))
+ s = b + elementsof(opt_info.name) - 1;
+ for (;;)
+ {
+ if (b >= s)
+ {
+ *w = 0;
+ break;
+ }
+ if (*b == '*')
+ break;
+ *w++ = *b++;
+ }
+ if (!num && v)
+ return opterror(no ? "!" : "=", 0, version, id, catalog);
+ w = &opt_info.name[prefix];
+ c = x;
+ s = a;
+ }
+ }
+ if (!*s)
+ {
+ if (w)
+ {
+ if (hp = (Help_t*)search(styles, elementsof(styles), sizeof(styles[0]), w))
+ {
+ if (!v)
+ v = (char*)hp->name;
+ goto help;
+ }
+ if (!v)
+ {
+ v = opt_info.name;
+ goto help;
+ }
+ }
+ if (w || !isdigit(c) || !numopt || !(pass->flags & OPT_numeric))
+ {
+ pop(psp);
+ return opterror("", 0, version, id, catalog);
+ }
+ s = numopt;
+ c = opt_info.option[1] = numchr;
+ opt_info.offset--;
+ }
+ opt_info.arg = 0;
+
+ /*
+ * this is a ksh getopts workaround
+ */
+
+ if (opt_info.num != LONG_MIN)
+ opt_info.num = (long)(opt_info.number = num);
+ if ((n = *++s == '#') || *s == ':' || w && !nov && v && (optnumber(v, &e, NiL), n = !*e))
+ {
+ if (w)
+ {
+ if (nov)
+ {
+ if (v)
+ {
+ pop(psp);
+ return opterror("!", 0, version, id, catalog);
+ }
+ opt_info.num = (long)(opt_info.number = 0);
+ }
+ else
+ {
+ if (!v && *(s + 1) != '?' && (v = argv[opt_info.index]))
+ {
+ opt_info.index++;
+ opt_info.offset = 0;
+ }
+ if (!(opt_info.arg = v) || (*v == '0' || *v == '1') && !*(v + 1))
+ {
+ if (*(s + 1) != '?')
+ {
+ if (!opt_info.arg)
+ {
+ pop(psp);
+ return opterror(s, 0, version, id, catalog);
+ }
+ }
+ else if (*(t = next(s + 2, version)) == '[')
+ while (*(t = skip(t, ':', 0, 0, 1, 0, 0, version)) == ':')
+ if (*++t == '!')
+ {
+ if (!v || *v == '1')
+ {
+ e = skip(t, ':', '?', ']', 1, 0, 0, version);
+ opt_info.arg = sfprints("%-.*s", e - t - 1, t + 1);
+ }
+ else
+ {
+ opt_info.arg = 0;
+ opt_info.num = (long)(opt_info.number = 0);
+ }
+ break;
+ }
+ }
+ if (opt_info.arg && n)
+ {
+ opt_info.num = (long)(opt_info.number = optnumber(opt_info.arg, &e, &err));
+ if (err || e == opt_info.arg)
+ {
+ pop(psp);
+ return opterror(s, err, version, id, catalog);
+ }
+ }
+ }
+ goto optarg;
+ }
+ else if (*(opt_info.arg = &argv[opt_info.index++][opt_info.offset]))
+ {
+ if (*s == '#')
+ {
+ opt_info.num = (long)(opt_info.number = optnumber(opt_info.arg, &e, &err));
+ if (err || e == opt_info.arg)
+ {
+ if (!err && *(s + 1) == '?')
+ {
+ opt_info.arg = 0;
+ opt_info.index--;
+ }
+ else
+ {
+ opt_info.offset = 0;
+ c = opterror(s, err, version, id, catalog);
+ }
+ pop(psp);
+ return c;
+ }
+ else if (*e)
+ {
+ opt_info.offset += e - opt_info.arg;
+ opt_info.index--;
+ pop(psp);
+ return c;
+ }
+ }
+ }
+ else if (opt_info.arg = argv[opt_info.index])
+ {
+ opt_info.index++;
+ if (*(s + 1) == '?' && (*opt_info.arg == '-' || (pass->flags & OPT_plus) && *opt_info.arg == '+') && *(opt_info.arg + 1))
+ {
+ opt_info.index--;
+ opt_info.arg = 0;
+ }
+ else if (*s == '#')
+ {
+ opt_info.num = (long)(opt_info.number = optnumber(opt_info.arg, &e, &err));
+ if (err || *e)
+ {
+ if (!err && *(s + 1) == '?')
+ {
+ opt_info.arg = 0;
+ opt_info.index--;
+ }
+ else
+ {
+ pop(psp);
+ opt_info.offset = 0;
+ return opterror(s, err, version, id, catalog);
+ }
+ }
+ }
+ }
+ else if (*(s + 1) != '?')
+ {
+ opt_info.index--;
+ pop(psp);
+ return opterror(s, 0, version, id, catalog);
+ }
+ opt_info.offset = 0;
+ optarg:
+ if (*s == ':' && *(s = skip(s, 0, 0, 0, 1, 0, 1, version)) == GO && *(s = next(s + 1, version)) == '[' && isalnum(*(s + 1)))
+ {
+ x = 0;
+ if (opt_info.arg)
+ {
+ do
+ {
+ w = y = opt_info.arg;
+ f = s = next(s + 1, version);
+ k = *f;
+ if (k == *w && isalpha(k) && !*(w + 1))
+ {
+ x = k;
+ break;
+ }
+ if (*s == '+' || *s == '-')
+ continue;
+ else if (*s == '[' || version < 1)
+ continue;
+ else
+ {
+ if (*s != ':')
+ s = skip(s, ':', '?', 0, 1, 0, 0, version);
+ if (*s == ':')
+ {
+ if (catalog)
+ {
+ p = skip(s + 1, '?', 0, 0, 1, 0, 0, version);
+ e = sfprints("%-.*s", p - (s + 1), s + 1);
+ b = T(id, catalog, e);
+ if (b == e)
+ p = 0;
+ else
+ {
+ sfprintf(xp, ":%s|%s?", b, e);
+ if (!(s = sfstruse(xp)))
+ goto nospace;
+ }
+ }
+ else
+ p = 0;
+ for (;;)
+ {
+ n = m = 0;
+ e = s + 1;
+ while (*++s)
+ {
+ if (*s == '*' || *s == '\a')
+ {
+ if (*s == '\a')
+ do
+ {
+ if (!*++s)
+ {
+ s--;
+ break;
+ }
+ } while (*s != '\a');
+ j = *(s + 1);
+ if (j == ':' || j == '|' || j == '?' || j == ']' || j == 0)
+ {
+ while (*w)
+ w++;
+ m = 0;
+ break;
+ }
+ m = 1;
+ }
+ else if (*s == *w || SEP(*s) && SEP(*w))
+ w++;
+ else if (*w == 0)
+ break;
+ else if (!SEP(*s))
+ {
+ if (SEP(*w))
+ {
+ if (*++w == *s)
+ {
+ w++;
+ continue;
+ }
+ }
+ else if (w == y || SEP(*(w - 1)) || isupper(*(w - 1)) && islower(*w))
+ break;
+ for (q = s; *q && !SEP(*q) && *q != '|' && *q != '?' && *q != ']'; q++);
+ if (!SEP(*q))
+ break;
+ for (s = q; w > y && *w != *(s + 1); w--);
+ }
+ else if (*w != *(s + 1))
+ break;
+ }
+ if (!*w)
+ {
+ nov = 0;
+ break;
+ }
+ if (*(s = skip(s, ':', '|', '?', 1, 0, 0, version)) != '|')
+ break;
+ w = y;
+ }
+ if (p)
+ s = p;
+ if (!*w)
+ {
+ if (n)
+ num = 0;
+ if (!(n = (m || *s == ':' || *s == '|' || *s == '?' || *s == ']')) && x)
+ {
+ pop(psp);
+ return opterror("&", 0, version, id, catalog);
+ }
+ for (x = k; *(f + 1) == '|' && (j = *(f + 2)) && j != '!' && j != '=' && j != ':' && j != '?' && j != ']'; f += 2);
+ if (*f == ':')
+ x = -1;
+ else if (*(f + 1) == ':' || *(f + 1) == '!' && *(f + 2) == ':')
+ /* ok */;
+ else
+ {
+ a = f;
+ if (*a == '=')
+ a++;
+ else
+ {
+ if (*(a + 1) == '!')
+ a++;
+ if (*(a + 1) == '=')
+ a += 2;
+ }
+ x = -strtol(a, &b, 0);
+ }
+ b = e;
+ a = s = skip(s, 0, 0, 0, 1, 0, 0, version);
+ if (n)
+ break;
+ }
+ }
+ }
+ } while (*(s = skip(s, 0, 0, 0, 1, 0, 1, version)) == '[');
+ if (!(opt_info.num = (long)(opt_info.number = x)))
+ {
+ pop(psp);
+ return opterror("*", 0, version, id, catalog);
+ }
+ }
+ }
+ }
+ else if (w && v)
+ {
+ pop(psp);
+ return opterror("=", 0, version, id, catalog);
+ }
+ else
+ {
+ opt_info.num = (long)(opt_info.number = num);
+ if (!w && !argv[opt_info.index][opt_info.offset])
+ {
+ opt_info.offset = 0;
+ opt_info.index++;
+ }
+ }
+ pop(psp);
+ return c;
+ help:
+ if (v && *v == '?' && *(v + 1) == '?' && *(v + 2))
+ {
+ s = v + 2;
+ if ((s[0] == 'n' || s[0] == 'N') && (s[1] == 'o' || s[1] == 'O'))
+ {
+ s += 2;
+ n = -1;
+ }
+ else
+ n = 1;
+ if (hp = (Help_t*)search(styles, elementsof(styles), sizeof(styles[0]), s))
+ {
+ if (hp->style < STYLE_man || !(s = argv[opt_info.index]) || s[0] != '-' || s[1] != '-' || !s[2])
+ {
+ opt_info.arg = sfprints("\fversion=%d", version);
+ pop(psp);
+ return '?';
+ }
+ state.force = hp->style;
+ }
+ else if (match(s, "CONFORMANCE", -1, ID, NiL))
+ {
+ opt_info.arg = sfprints("\f%s", conformance(w, 0));
+ pop(psp);
+ return '?';
+ }
+ else if (match(s, "ESC", -1, ID, NiL) || match(s, "EMPHASIS", -1, ID, NiL))
+ state.emphasis = n;
+ else if (match(s, "MAN", -1, ID, NiL))
+ {
+ opt_info.arg = sfprints("\f%s", secname(*w != '?' ? w : pass->section));
+ pop(psp);
+ return '?';
+ }
+ else if (match(s, "PREFORMAT", -1, ID, NiL))
+ state.flags |= OPT_preformat;
+ else if (match(s, "SECTION", -1, ID, NiL))
+ {
+ opt_info.arg = sfprints("\f%s", pass->section);
+ pop(psp);
+ return '?';
+ }
+ else if (match(s, "TEST", -1, ID, NiL))
+ {
+ state.width = OPT_WIDTH;
+ state.emphasis = 1;
+ }
+ else
+ {
+ pop(psp);
+ return opterror(v, 0, version, id, catalog);
+ }
+ psp = pop(psp);
+ if (argv == state.strv)
+ return '#';
+ goto again;
+ }
+ if ((opt_info.arg = opthelp(NiL, v)) == (char*)unknown)
+ {
+ pop(psp);
+ return opterror(v, 0, version, id, catalog);
+ }
+ pop(psp);
+ return '?';
+ nospace:
+ pop(psp);
+ return opterror(NiL, 0, 0, NiL, NiL);
+}
+
+/*
+ * parse long options with 0,1,2 leading '-' or '+' from string and pass to optget()
+ * syntax is the unquoted
+ *
+ * <length> [-|+|--|++]<name>[[-+:|&=]=<value>\n (or \0 for the last)
+ *
+ * or the quoted
+ *
+ * [-|+|--|++][no]name[[-+:|&=]=['"{(]value[)}"']][, ]...
+ *
+ * with \x escapes passed to chresc()
+ *
+ * return '#' for `label:', with opt_info.name==label
+ * str[opt_info.offset] next arg
+ *
+ * optstr(s, 0)
+ * return '-' if arg, 0 otherwise
+ * optstr(0, opts)
+ * use previous parsed str
+ */
+
+int
+optstr(const char* str, const char* opts)
+{
+ register char* s = (char*)str;
+ register Sfio_t* mp;
+ register int c;
+ register int ql;
+ register int qr;
+ register int qc;
+ int v;
+ char* e;
+
+ again:
+ if (s)
+ {
+ if (!(mp = state.strp) && !(mp = state.strp = sfstropen()))
+ return 0;
+ if (state.str != s)
+ state.str = s;
+ else if (opt_info.index == 1)
+ s += opt_info.offset;
+ while (*s == ',' || *s == ' ' || *s == '\t' || *s == '\n' || *s == '\r')
+ s++;
+ if (!*s)
+ {
+ state.str = 0;
+ return 0;
+ }
+ if (*s == '-' || *s == '+')
+ {
+ c = *s++;
+ sfputc(mp, c);
+ if (*s == c)
+ {
+ sfputc(mp, c);
+ s++;
+ }
+ }
+ else
+ {
+ sfputc(mp, '-');
+ sfputc(mp, '-');
+ }
+ if (isdigit(*s) && (v = (int)strtol(s, &e, 10)) > 1 && isspace(*e) && --v <= strlen(s) && (s[v] == 0 || s[v] == '\n'))
+ {
+ s += v;
+ while (isspace(*++e));
+ sfwrite(mp, e, s - e);
+ }
+ else
+ {
+ while (*s && *s != ',' && *s != ' ' && *s != '\t' && *s != '\n' && *s != '\r' && *s != '=' && *s != ':')
+ sfputc(mp, *s++);
+ if ((c = *s) == ':' && *(s + 1) != '=')
+ {
+ opt_info.index = 1;
+ opt_info.offset = ++s - (char*)str;
+ if (!(s = sfstruse(mp)))
+ goto nospace;
+ s += 2;
+ e = opt_info.name;
+ while (e < &opt_info.name[sizeof(opt_info.name)-1] && (*e++ = *s++));
+ opt_info.arg = 0;
+ opt_info.num = (long)(opt_info.number = 0);
+ opt_info.option[0] = ':';
+ opt_info.option[1] = 0;
+ return '#';
+ }
+ if (c == ':' || c == '=')
+ {
+ sfputc(mp, c);
+ ql = qr = 0;
+ while (c = *++s)
+ {
+ if (c == '\\')
+ {
+ sfputc(mp, chresc(s, &e));
+ s = e - 1;
+ }
+ else if (c == qr)
+ {
+ if (qr != ql)
+ sfputc(mp, c);
+ if (--qc <= 0)
+ qr = ql = 0;
+ }
+ else if (c == ql)
+ {
+ sfputc(mp, c);
+ qc++;
+ }
+ else if (qr)
+ sfputc(mp, c);
+ else if (c == ',' || c == ' ' || c == '\t' || c == '\n' || c == '\r')
+ break;
+ else if (c == '"' || c == '\'')
+ {
+ ql = qr = c;
+ qc = 1;
+ }
+ else
+ {
+ sfputc(mp, c);
+ if (c == GO)
+ {
+ ql = c;
+ qr = OG;
+ qc = 1;
+ }
+ else if (c == '(')
+ {
+ ql = c;
+ qr = ')';
+ qc = 1;
+ }
+ }
+ }
+ }
+ }
+ opt_info.argv = state.strv;
+ state.strv[0] = T(NiL, ID, "option");
+ if (!(state.strv[1] = sfstruse(mp)))
+ goto nospace;
+ state.strv[2] = 0;
+ opt_info.offset = s - (char*)str;
+ }
+ if (opts)
+ {
+ if (!state.strv[1])
+ {
+ state.str = 0;
+ return 0;
+ }
+ opt_info.index = 1;
+ v = opt_info.offset;
+ opt_info.offset = 0;
+ c = optget(state.strv, opts);
+ opt_info.index = 1;
+ opt_info.offset = v;
+ if (c == '#')
+ {
+ s = state.str;
+ goto again;
+ }
+ if ((c == '?' || c == ':') && (opt_info.arg[0] == '-' && opt_info.arg[1] == '-'))
+ opt_info.arg += 2;
+ s = opt_info.name;
+ if (*s++ == '-' && *s++ == '-' && *s)
+ {
+ e = opt_info.name;
+ while (*e++ = *s++);
+ }
+ }
+ else
+ c = '-';
+ return c;
+ nospace:
+ return opterror(NiL, 0, 0, NiL, NiL);
+}