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-rw-r--r--time/strftime.c576
1 files changed, 0 insertions, 576 deletions
diff --git a/time/strftime.c b/time/strftime.c
deleted file mode 100644
index 39f1aabd..00000000
--- a/time/strftime.c
+++ /dev/null
@@ -1,576 +0,0 @@
-#ifndef lint
-#ifndef NOID
-static char elsieid[] = "@(#)strftime.c 7.33";
-/*
-** Based on the UCB version with the ID appearing below.
-** This is ANSIish only when "multibyte character == plain character".
-*/
-#endif /* !defined NOID */
-#endif /* !defined lint */
-
-#include "private.h"
-
-/*
-** Copyright (c) 1989 The Regents of the University of California.
-** All rights reserved.
-**
-** Redistribution and use in source and binary forms are permitted
-** provided that the above copyright notice and this paragraph are
-** duplicated in all such forms and that any documentation,
-** advertising materials, and other materials related to such
-** distribution and use acknowledge that the software was developed
-** by the University of California, Berkeley. The name of the
-** University may not be used to endorse or promote products derived
-** from this software without specific prior written permission.
-** THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
-** IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
-** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
-*/
-
-#ifndef LIBC_SCCS
-#ifndef lint
-static const char sccsid[] = "@(#)strftime.c 5.4 (Berkeley) 3/14/89";
-#endif /* !defined lint */
-#endif /* !defined LIBC_SCCS */
-
-#include "tzfile.h"
-#include "fcntl.h"
-#if HAVE_SETLOCALE - 0
-#include "locale.h"
-#endif /* HAVE_SETLOCALE - 0 */
-
-struct lc_time_T {
- const char * mon[12];
- const char * month[12];
- const char * wday[7];
- const char * weekday[7];
- const char * X_fmt;
- const char * x_fmt;
- const char * c_fmt;
- const char * am;
- const char * pm;
- const char * date_fmt;
-};
-
-#ifdef LOCALE_HOME
-static struct lc_time_T localebuf;
-static struct lc_time_T * _loc P((void));
-#define Locale _loc()
-#endif /* defined LOCALE_HOME */
-#ifndef LOCALE_HOME
-#define Locale (&C_time_locale)
-#endif /* !defined LOCALE_HOME */
-
-static const struct lc_time_T C_time_locale = {
- {
- "Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
- }, {
- "January", "February", "March", "April", "May", "June",
- "July", "August", "September", "October", "November", "December"
- }, {
- "Sun", "Mon", "Tue", "Wed",
- "Thu", "Fri", "Sat"
- }, {
- "Sunday", "Monday", "Tuesday", "Wednesday",
- "Thursday", "Friday", "Saturday"
- },
-
- /* X_fmt */
- "%H:%M:%S",
-
- /*
- ** x_fmt
- ** Since the C language standard calls for
- ** "date, using locale's date format," anything goes.
- ** Using just numbers (as here) makes Quakers happier;
- ** it's also compatible with SVR4.
- */
- "%m/%d/%y",
-
- /*
- ** c_fmt
- ** Note that
- ** "%a %b %d %H:%M:%S %Y"
- ** is used by Solaris 2.3.
- */
- "%D %X", /* %m/%d/%y %H:%M:%S */
-
- /* am */
- "AM",
-
- /* pm */
- "PM",
-
- /* date_fmt */
- "%a %b %e %H:%M:%S %Z %Y"
-};
-
-static char * _add P((const char *, char *, const char *));
-static char * _conv P((int, const char *, char *, const char *));
-static char *_fmt P((const char *, const struct tm *, char *, const char *));
-
-size_t strftime P((char *, size_t, const char *, const struct tm *));
-
-extern char * tzname[];
-
-size_t
-strftime(s, maxsize, format, t)
-char * const s;
-const size_t maxsize;
-const char * const format;
-const struct tm * const t;
-{
- char * p;
-
- tzset();
-#ifdef LOCALE_HOME
- localebuf.mon[0] = 0;
-#endif /* defined LOCALE_HOME */
- p = _fmt(((format == NULL) ? "%c" : format), t, s, s + maxsize);
- if (p == s + maxsize)
- return 0;
- *p = '\0';
- return p - s;
-}
-
-static char *
-_fmt(format, t, pt, ptlim)
-const char * format;
-const struct tm * const t;
-char * pt;
-const char * const ptlim;
-{
- for ( ; *format; ++format) {
- if (*format == '%') {
-label:
- switch (*++format) {
- case '\0':
- --format;
- break;
- case 'A':
- pt = _add((t->tm_wday < 0 || t->tm_wday > 6) ?
- "?" : Locale->weekday[t->tm_wday],
- pt, ptlim);
- continue;
- case 'a':
- pt = _add((t->tm_wday < 0 || t->tm_wday > 6) ?
- "?" : Locale->wday[t->tm_wday],
- pt, ptlim);
- continue;
- case 'B':
- pt = _add((t->tm_mon < 0 || t->tm_mon > 11) ?
- "?" : Locale->month[t->tm_mon],
- pt, ptlim);
- continue;
- case 'b':
- case 'h':
- pt = _add((t->tm_mon < 0 || t->tm_mon > 11) ?
- "?" : Locale->mon[t->tm_mon],
- pt, ptlim);
- continue;
- case 'C':
- /*
- ** %C used to do a...
- ** _fmt("%a %b %e %X %Y", t);
- ** ...whereas now POSIX 1003.2 calls for
- ** something completely different.
- ** (ado, 5/24/93)
- */
- pt = _conv((t->tm_year + TM_YEAR_BASE) / 100,
- "%02d", pt, ptlim);
- continue;
- case 'c':
- pt = _fmt(Locale->c_fmt, t, pt, ptlim);
- continue;
- case 'D':
- pt = _fmt("%m/%d/%y", t, pt, ptlim);
- continue;
- case 'd':
- pt = _conv(t->tm_mday, "%02d", pt, ptlim);
- continue;
- case 'E':
- case 'O':
- /*
- ** POSIX locale extensions, a la
- ** Arnold Robbins' strftime version 3.0.
- ** The sequences
- ** %Ec %EC %Ex %Ey %EY
- ** %Od %oe %OH %OI %Om %OM
- ** %OS %Ou %OU %OV %Ow %OW %Oy
- ** are supposed to provide alternate
- ** representations.
- ** (ado, 5/24/93)
- */
- goto label;
- case 'e':
- pt = _conv(t->tm_mday, "%2d", pt, ptlim);
- continue;
- case 'H':
- pt = _conv(t->tm_hour, "%02d", pt, ptlim);
- continue;
- case 'I':
- pt = _conv((t->tm_hour % 12) ?
- (t->tm_hour % 12) : 12,
- "%02d", pt, ptlim);
- continue;
- case 'j':
- pt = _conv(t->tm_yday + 1, "%03d", pt, ptlim);
- continue;
- case 'k':
- /*
- ** This used to be...
- ** _conv(t->tm_hour % 12 ?
- ** t->tm_hour % 12 : 12, 2, ' ');
- ** ...and has been changed to the below to
- ** match SunOS 4.1.1 and Arnold Robbins'
- ** strftime version 3.0. That is, "%k" and
- ** "%l" have been swapped.
- ** (ado, 5/24/93)
- */
- pt = _conv(t->tm_hour, "%2d", pt, ptlim);
- continue;
-#ifdef KITCHEN_SINK
- case 'K':
- /*
- ** After all this time, still unclaimed!
- */
- pt = _add("kitchen sink", pt, ptlim);
- continue;
-#endif /* defined KITCHEN_SINK */
- case 'l':
- /*
- ** This used to be...
- ** _conv(t->tm_hour, 2, ' ');
- ** ...and has been changed to the below to
- ** match SunOS 4.1.1 and Arnold Robbin's
- ** strftime version 3.0. That is, "%k" and
- ** "%l" have been swapped.
- ** (ado, 5/24/93)
- */
- pt = _conv((t->tm_hour % 12) ?
- (t->tm_hour % 12) : 12,
- "%2d", pt, ptlim);
- continue;
- case 'M':
- pt = _conv(t->tm_min, "%02d", pt, ptlim);
- continue;
- case 'm':
- pt = _conv(t->tm_mon + 1, "%02d", pt, ptlim);
- continue;
- case 'n':
- pt = _add("\n", pt, ptlim);
- continue;
- case 'p':
- pt = _add((t->tm_hour >= 12) ?
- Locale->pm :
- Locale->am,
- pt, ptlim);
- continue;
- case 'R':
- pt = _fmt("%H:%M", t, pt, ptlim);
- continue;
- case 'r':
- pt = _fmt("%I:%M:%S %p", t, pt, ptlim);
- continue;
- case 'S':
- pt = _conv(t->tm_sec, "%02d", pt, ptlim);
- continue;
- case 'T':
- pt = _fmt("%H:%M:%S", t, pt, ptlim);
- continue;
- case 't':
- pt = _add("\t", pt, ptlim);
- continue;
- case 'U':
- pt = _conv((t->tm_yday + 7 - t->tm_wday) / 7,
- "%02d", pt, ptlim);
- continue;
- case 'u':
- /*
- ** From Arnold Robbins' strftime version 3.0:
- ** "ISO 8601: Weekday as a decimal number
- ** [1 (Monday) - 7]"
- ** (ado, 5/24/93)
- */
- pt = _conv((t->tm_wday == 0) ? 7 : t->tm_wday,
- "%d", pt, ptlim);
- continue;
- case 'V':
- /*
- ** From Arnold Robbins' strftime version 3.0:
- ** "the week number of the year (the first
- ** Monday as the first day of week 1) as a
- ** decimal number (01-53). The method for
- ** determining the week number is as specified
- ** by ISO 8601 (to wit: if the week containing
- ** January 1 has four or more days in the new
- ** year, then it is week 1, otherwise it is
- ** week 53 of the previous year and the next
- ** week is week 1)."
- ** (ado, 5/24/93)
- */
- /*
- ** XXX--If January 1 falls on a Friday,
- ** January 1-3 are part of week 53 of the
- ** previous year. By analogy, if January
- ** 1 falls on a Thursday, are December 29-31
- ** of the PREVIOUS year part of week 1???
- ** (ado 5/24/93)
- */
- /*
- ** You are understood not to expect this.
- */
- {
- int i;
-
- i = (t->tm_yday + 10 - (t->tm_wday ?
- (t->tm_wday - 1) : 6)) / 7;
- if (i == 0) {
- /*
- ** What day of the week does
- ** January 1 fall on?
- */
- i = t->tm_wday -
- (t->tm_yday - 1);
- /*
- ** Fri Jan 1: 53
- ** Sun Jan 1: 52
- ** Sat Jan 1: 53 if previous
- ** year a leap
- ** year, else 52
- */
- if (i == TM_FRIDAY)
- i = 53;
- else if (i == TM_SUNDAY)
- i = 52;
- else i = isleap(t->tm_year +
- TM_YEAR_BASE) ?
- 53 : 52;
-#ifdef XPG4_1994_04_09
- /*
- ** As of 4/9/94, though,
- ** XPG4 calls for 53
- ** unconditionally.
- */
- i = 53;
-#endif /* defined XPG4_1994_04_09 */
- }
- pt = _conv(i, "%02d", pt, ptlim);
- }
- continue;
- case 'v':
- /*
- ** From Arnold Robbins' strftime version 3.0:
- ** "date as dd-bbb-YYYY"
- ** (ado, 5/24/93)
- */
- pt = _fmt("%e-%b-%Y", t, pt, ptlim);
- continue;
- case 'W':
- pt = _conv((t->tm_yday + 7 -
- (t->tm_wday ?
- (t->tm_wday - 1) : 6)) / 7,
- "%02d", pt, ptlim);
- continue;
- case 'w':
- pt = _conv(t->tm_wday, "%d", pt, ptlim);
- continue;
- case 'X':
- pt = _fmt(Locale->X_fmt, t, pt, ptlim);
- continue;
- case 'x':
- pt = _fmt(Locale->x_fmt, t, pt, ptlim);
- continue;
- case 'y':
- pt = _conv((t->tm_year + TM_YEAR_BASE) % 100,
- "%02d", pt, ptlim);
- continue;
- case 'Y':
- pt = _conv(t->tm_year + TM_YEAR_BASE, "%04d",
- pt, ptlim);
- continue;
- case 'Z':
-#ifdef TM_ZONE
- if (t->TM_ZONE != NULL)
- pt = _add(t->TM_ZONE, pt, ptlim);
- else
-#endif /* defined TM_ZONE */
- if (t->tm_isdst == 0 || t->tm_isdst == 1) {
- pt = _add(tzname[t->tm_isdst],
- pt, ptlim);
- } else pt = _add("?", pt, ptlim);
- continue;
- case '+':
- pt = _fmt(Locale->date_fmt, t, pt, ptlim);
- continue;
- case '%':
- /*
- * X311J/88-090 (4.12.3.5): if conversion char is
- * undefined, behavior is undefined. Print out the
- * character itself as printf(3) also does.
- */
- default:
- break;
- }
- }
- if (pt == ptlim)
- break;
- *pt++ = *format;
- }
- return pt;
-}
-
-static char *
-_conv(n, format, pt, ptlim)
-const int n;
-const char * const format;
-char * const pt;
-const char * const ptlim;
-{
- char buf[INT_STRLEN_MAXIMUM(int) + 1];
-
- (void) sprintf(buf, format, n);
- return _add(buf, pt, ptlim);
-}
-
-static char *
-_add(str, pt, ptlim)
-const char * str;
-char * pt;
-const char * const ptlim;
-{
- while (pt < ptlim && (*pt = *str++) != '\0')
- ++pt;
- return pt;
-}
-
-#ifdef LOCALE_HOME
-static struct lc_time_T *
-_loc P((void))
-{
- static const char locale_home[] = LOCALE_HOME;
- static const char lc_time[] = "LC_TIME";
- static char * locale_buf;
- static char locale_buf_C[] = "C";
-
- int fd;
- int oldsun; /* "...ain't got nothin' to do..." */
- char * lbuf;
- char * name;
- char * p;
- const char ** ap;
- const char * plim;
- char filename[FILENAME_MAX];
- struct stat st;
- size_t namesize;
- size_t bufsize;
-
- /*
- ** Use localebuf.mon[0] to signal whether locale is already set up.
- */
- if (localebuf.mon[0])
- return &localebuf;
-#if HAVE_SETLOCALE - 0
- name = setlocale(LC_TIME, (char *) NULL);
-#endif /* HAVE_SETLOCALE - 0 */
-#if !(HAVE_SETLOCALE - 0)
- if ((name = getenv("LC_ALL")) == NULL || *name == '\0')
- if ((name = getenv(lc_time)) == NULL || *name == '\0')
- name = getenv("LANG");
-#endif /* !(HAVE_SETLOCALE - 0) */
- if (name == NULL || *name == '\0')
- goto no_locale;
- /*
- ** If the locale name is the same as our cache, use the cache.
- */
- lbuf = locale_buf;
- if (lbuf != NULL && strcmp(name, lbuf) == 0) {
- p = lbuf;
- for (ap = (const char **) &localebuf;
- ap < (const char **) (&localebuf + 1);
- ++ap)
- *ap = p += strlen(p) + 1;
- return &localebuf;
- }
- /*
- ** Slurp the locale file into the cache.
- */
- namesize = strlen(name) + 1;
- if (sizeof(filename) <
- sizeof(locale_home) + namesize + sizeof(lc_time))
- goto no_locale;
- oldsun = 0;
- (void) sprintf(filename, "%s/%s/%s", locale_home, name, lc_time);
- fd = open(filename, O_RDONLY);
- if (fd < 0) {
- /*
- ** Old Sun systems have a different naming and data convention.
- */
- oldsun = 1;
- (void) sprintf(filename, "%s/%s/%s", locale_home,
- lc_time, name);
- fd = open(filename, O_RDONLY);
- if (fd < 0)
- goto no_locale;
- }
- if (fstat(fd, &st) != 0)
- goto bad_locale;
- if (st.st_size <= 0)
- goto bad_locale;
- bufsize = namesize + st.st_size;
- locale_buf = NULL;
- lbuf = (lbuf == NULL || lbuf == locale_buf_C) ?
- malloc(bufsize) : realloc(lbuf, bufsize);
- if (lbuf == NULL)
- goto bad_locale;
- (void) strcpy(lbuf, name);
- p = lbuf + namesize;
- plim = p + st.st_size;
- if (read(fd, p, (size_t) st.st_size) != st.st_size)
- goto bad_lbuf;
- if (close(fd) != 0)
- goto bad_lbuf;
- /*
- ** Parse the locale file into localebuf.
- */
- if (plim[-1] != '\n')
- goto bad_lbuf;
- for (ap = (const char **) &localebuf;
- ap < (const char **) (&localebuf + 1);
- ++ap) {
- if (p == plim)
- goto bad_lbuf;
- *ap = p;
- while (*p != '\n')
- ++p;
- *p++ = '\0';
- }
- if (oldsun) {
- /*
- ** SunOS 4 used an obsolescent format; see localdtconv(3).
- ** c_fmt had the ``short format for dates and times together''
- ** (SunOS 4 date, "%a %b %e %T %Z %Y" in the C locale);
- ** date_fmt had the ``long format for dates''
- ** (SunOS 4 strftime %C, "%A, %B %e, %Y" in the C locale).
- ** Discard the latter in favor of the former.
- */
- localebuf.date_fmt = localebuf.c_fmt;
- }
- /*
- ** Record the successful parse in the cache.
- */
- locale_buf = lbuf;
-
- return &localebuf;
-
-bad_lbuf:
- free(lbuf);
-bad_locale:
- (void) close(fd);
-no_locale:
- localebuf = C_time_locale;
- locale_buf = locale_buf_C;
- return &localebuf;
-}
-#endif /* defined LOCALE_HOME */
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