From 3950ffe2a485479f6561c27364d3d7df5a21d124 Mon Sep 17 00:00:00 2001
From: Igor Pashev <pashev.igor@gmail.com>
Date: Sun, 24 Jun 2012 22:28:35 +0000
Subject: Imported Upstream version 93u+

---
 src/lib/libast/comp/getoptl.c | 151 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)
 create mode 100644 src/lib/libast/comp/getoptl.c

(limited to 'src/lib/libast/comp/getoptl.c')

diff --git a/src/lib/libast/comp/getoptl.c b/src/lib/libast/comp/getoptl.c
new file mode 100644
index 0000000..edfa4f1
--- /dev/null
+++ b/src/lib/libast/comp/getoptl.c
@@ -0,0 +1,151 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1985-2011 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
+
+#include <ast.h>
+#include <ast_getopt.h>
+
+#undef	_BLD_ast	/* enable ast imports since we're user static */
+
+#include <error.h>
+#include <option.h>
+#include <getopt.h>
+#include <ctype.h>
+
+static const char*		lastoptstring;
+static const struct option*	lastlongopts;
+static char*			usage;
+static Sfio_t*			up;
+
+static int			lastoptind;
+
+static int
+golly(int argc, char* const* argv, const char* optstring, const struct option* longopts, int* longindex, int flags)
+{
+	register char*			s;
+	register const struct option*	o;
+	register int			c;
+	char*				t;
+
+	if (!up || optstring != lastoptstring || longopts != lastlongopts)
+	{
+		if (!up && !(up = sfstropen()) || !(t = strdup(optstring)))
+			return -1;
+		sfprintf(up, "[-1p%d]", flags);
+		for (o = longopts; o->name; o++)
+		{
+			if (o->flag || o->val <= 0 || o->val > UCHAR_MAX || !isalnum(o->val))
+				sfprintf(up, "\n[%d:%s]", UCHAR_MAX + 1 + (o - longopts), o->name);
+			else
+			{
+				sfprintf(up, "\n[%c:%s]", o->val, o->name);
+				if (s = strchr(t, o->val))
+				{
+					*s++ = ' ';
+					if (*s == ':')
+					{
+						*s++ = ' ';
+						if (*s == ':')
+							*s = ' ';
+					}
+				}
+			}
+			if (o->has_arg)
+			{
+				sfputc(up, ':');
+				if (o->has_arg == optional_argument)
+					sfputc(up, '?');
+				sfprintf(up, "[string]");
+			}
+		}
+		s = t;
+		while (c = *s++)
+			if (c != ' ')
+			{
+				sfprintf(up, "\n[%c]", c);
+				if (*s == ':')
+				{
+					sfputc(up, *s);
+					if (*++s == ':')
+					{
+						sfputc(up, '?');
+						s++;
+					}
+					sfputc(up, '[');
+					sfputc(up, ']');
+				}
+			}
+		sfputc(up, '\n');
+		free(t);
+		if (!(usage = sfstruse(up)))
+			return -1;
+		lastoptstring = optstring;
+		lastlongopts = longopts;
+	}
+	opt_info.index = (optind > 1 || optind == lastoptind) ? optind : 0;
+	if (opt_info.index >= argc || !(c = optget((char**)argv, usage)))
+	{
+		sfstrclose(up);
+		up = 0;
+		c = -1;
+	}
+	else
+	{
+		if (c == ':' || c == '?')
+		{
+			if (opterr && (!optstring || *optstring != ':'))
+			{
+				if (!error_info.id)
+					error_info.id = argv[0];
+				errormsg(NiL, c == '?' ? (ERROR_USAGE|4) : 2, "%s", opt_info.arg);
+			}
+			optopt = opt_info.option[1];
+			c = '?';
+		}
+		optarg = opt_info.arg;
+		if (c < 0)
+		{
+			o = longopts - c - UCHAR_MAX - 1;
+			if (o->flag)
+			{
+				*o->flag = o->val;
+				c = 0;
+			}
+			else
+				c = o->val;
+		}
+	}
+	lastoptind = optind = opt_info.index;
+	return c;
+}
+
+extern int
+getopt_long(int argc, char* const* argv, const char* optstring, const struct option* longopts, int* longindex)
+{
+	return golly(argc, argv, optstring, longopts, longindex, 2);
+}
+
+extern int
+getopt_long_only(int argc, char* const* argv, const char* optstring, const struct option* longopts, int* longindex)
+{
+	return golly(argc, argv, optstring, longopts, longindex, 1);
+}
-- 
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