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-rw-r--r--lib/strftime.c103
1 files changed, 72 insertions, 31 deletions
diff --git a/lib/strftime.c b/lib/strftime.c
index 494895988..711529e72 100644
--- a/lib/strftime.c
+++ b/lib/strftime.c
@@ -1,22 +1,22 @@
/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
-NOTE: The canonical source of this file is maintained with the GNU C Library.
-Bugs can be reported to bug-glibc@prep.ai.mit.edu.
+ NOTE: The canonical source of this file is maintained with the GNU C Library.
+ Bugs can be reported to bug-glibc@prep.ai.mit.edu.
-This program is free software; you can redistribute it and/or modify it
-under the terms of the GNU General Public License as published by the
-Free Software Foundation; either version 2, or (at your option) any
-later version.
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by the
+ Free Software Foundation; either version 2, or (at your option) any
+ later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
@@ -33,10 +33,13 @@ USA. */
# define HAVE_TZSET 1
# define MULTIBYTE_IS_FORMAT_SAFE 1
# define STDC_HEADERS 1
-# include <ansidecl.h>
# include "../locale/localeinfo.h"
#endif
+#if defined emacs && !defined HAVE_BCOPY
+# define HAVE_MEMCPY 1
+#endif
+
#include <ctype.h>
#include <sys/types.h> /* Some systems define `time_t' here. */
@@ -83,7 +86,9 @@ extern char *tzname[];
# include <stdlib.h>
# include <string.h>
#else
-# define memcpy(d, s, n) bcopy ((s), (d), (n))
+# ifndef HAVE_MEMCPY
+# define memcpy(d, s, n) bcopy ((s), (d), (n))
+# endif
#endif
#ifndef __P
@@ -133,13 +138,13 @@ extern char *tzname[];
#ifdef _LIBC
# define gmtime_r __gmtime_r
# define localtime_r __localtime_r
-extern int __tz_compute __P ((time_t timer, const struct tm *tm));
# define tzname __tzname
# define tzset __tzset
#else
# if ! HAVE_LOCALTIME_R
# if ! HAVE_TM_GMTOFF
/* Approximate gmtime_r as best we can in its absence. */
+# undef gmtime_r
# define gmtime_r my_gmtime_r
static struct tm *gmtime_r __P ((const time_t *, struct tm *));
static struct tm *
@@ -156,7 +161,8 @@ gmtime_r (t, tp)
# endif /* ! HAVE_TM_GMTOFF */
/* Approximate localtime_r as best we can in its absence. */
-# define localtime_r my_localtime_r
+# undef localtime_r
+# define localtime_r my_ftime_localtime_r
static struct tm *localtime_r __P ((const time_t *, struct tm *));
static struct tm *
localtime_r (t, tp)
@@ -173,11 +179,15 @@ localtime_r (t, tp)
#endif /* ! defined (_LIBC) */
-#if !defined (memset) && !defined (HAVE_MEMSET) && !defined (_LIBC)
+#if !defined memset && !defined HAVE_MEMSET && !defined _LIBC
/* Some systems lack the `memset' function and we don't want to
introduce additional dependencies. */
-static const char spaces[16] = " ";
-static const char zeroes[16] = "0000000000000000";
+/* The SGI compiler reportedly barfs on the trailing null
+ if we use a string constant as the initializer. 28 June 1997, rms. */
+static const char spaces[16] = /* " " */
+ { ' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ' };
+static const char zeroes[16] = /* "0000000000000000" */
+ { '0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0' };
# define memset_space(P, Len) \
do { \
@@ -284,9 +294,11 @@ memcpy_uppcase (dest, src, len)
return dest;
}
+
#if ! HAVE_TM_GMTOFF
/* Yield the difference between *A and *B,
measured in seconds, ignoring leap seconds. */
+# define tm_diff ftime_tm_diff
static int tm_diff __P ((const struct tm *, const struct tm *));
static int
tm_diff (a, b)
@@ -323,7 +335,7 @@ tm_diff (a, b)
#define YDAY_MINIMUM (-366)
static int iso_week_days __P ((int, int));
#ifdef __GNUC__
-inline
+__inline__
#endif
static int
iso_week_days (yday, wday)
@@ -419,15 +431,13 @@ strftime (s, maxsize, format, tp)
const char *f;
zone = NULL;
-#if !defined _LIBC && HAVE_TM_ZONE
- /* XXX We have some problems here. First, the string pointed to by
- tm_zone is dynamically allocated while loading the zone data. But
- when another zone is loaded since the information in TP were
- computed this would be a stale pointer.
- The second problem is the POSIX test suite which assumes setting
+#if HAVE_TM_ZONE
+ /* The POSIX test suite assumes that setting
the environment variable TZ to a new value before calling strftime()
will influence the result (the %Z format) even if the information in
- TP is computed with a totally different time zone. --drepper@gnu */
+ TP is computed with a totally different time zone.
+ This is bogus: though POSIX allows bad behavior like this,
+ POSIX does not require it. Do the right thing instead. */
zone = (const char *) tp->tm_zone;
#endif
#if HAVE_TZNAME
@@ -466,6 +476,7 @@ strftime (s, maxsize, format, tp)
int width = -1;
int to_lowcase = 0;
int to_uppcase = 0;
+ int change_case = 0;
#if DO_MULTIBYTE
@@ -557,6 +568,9 @@ strftime (s, maxsize, format, tp)
case '^':
to_uppcase = 1;
continue;
+ case '#':
+ change_case = 1;
+ continue;
default:
break;
@@ -594,9 +608,11 @@ strftime (s, maxsize, format, tp)
switch (*f)
{
#define DO_NUMBER(d, v) \
- digits = d; number_value = v; goto do_number
+ digits = width == -1 ? d : width; \
+ number_value = v; goto do_number
#define DO_NUMBER_SPACEPAD(d, v) \
- digits = d; number_value = v; goto do_number_spacepad
+ digits = width == -1 ? d : width; \
+ number_value = v; goto do_number_spacepad
case '%':
if (modifier != 0)
@@ -607,12 +623,22 @@ strftime (s, maxsize, format, tp)
case 'a':
if (modifier != 0)
goto bad_format;
+ if (change_case)
+ {
+ to_uppcase = 1;
+ to_lowcase = 0;
+ }
cpy (aw_len, a_wkday);
break;
case 'A':
if (modifier != 0)
goto bad_format;
+ if (change_case)
+ {
+ to_uppcase = 1;
+ to_lowcase = 0;
+ }
cpy (wkday_len, f_wkday);
break;
@@ -626,6 +652,11 @@ strftime (s, maxsize, format, tp)
case 'B':
if (modifier != 0)
goto bad_format;
+ if (change_case)
+ {
+ to_uppcase = 1;
+ to_lowcase = 0;
+ }
cpy (month_len, f_month);
break;
@@ -826,6 +857,11 @@ strftime (s, maxsize, format, tp)
/* FALLTHROUGH */
case 'p':
+ if (change_case)
+ {
+ to_uppcase = 0;
+ to_lowcase = 1;
+ }
cpy (ap_len, ampm);
break;
@@ -998,6 +1034,11 @@ strftime (s, maxsize, format, tp)
DO_NUMBER (2, (tp->tm_year % 100 + 100) % 100);
case 'Z':
+ if (change_case)
+ {
+ to_uppcase = 0;
+ to_lowcase = 1;
+ }
cpy (zonelen, zone);
break;
generated by cgit v1.2.3-70-g09d2 (git 2.48.0) at 2025-01-16 11:01:11 +0000