X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fstrftime.c;h=4ca2ffa4fb828c13bfd97f076ae1c4ef2c47f65e;hb=21d7dbb8098b8e04661272f601a59ceb042ea934;hp=86cd1cf7e7082ef78d6dcd070c8f3719e52cb145;hpb=0632e115747ff96e93330c88f536d7354a7ce507;p=gnulib.git
diff --git a/lib/strftime.c b/lib/strftime.c
index 86cd1cf7e..4ca2ffa4f 100644
--- a/lib/strftime.c
+++ b/lib/strftime.c
@@ -1,71 +1,62 @@
-/* Copyright (C) 1991-1999, 2000, 2001, 2003, 2004, 2005, 2006 Free Software
+/* Copyright (C) 1991-1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2009 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.
- This program is free software; you can redistribute it and/or modify
+ 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.
+ the Free Software Foundation; either version 3 of the License, 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.
- 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see . */
#ifdef _LIBC
-# define HAVE_MBLEN 1
-# define HAVE_MBRLEN 1
# define HAVE_STRUCT_ERA_ENTRY 1
# define HAVE_TM_GMTOFF 1
# define HAVE_TM_ZONE 1
# define HAVE_TZNAME 1
# define HAVE_TZSET 1
-# define MULTIBYTE_IS_FORMAT_SAFE 1
# include "../locale/localeinfo.h"
#else
# include
+# if FPRINTFTIME
+# include "ignore-value.h"
+# include "fprintftime.h"
+# else
+# include "strftime.h"
+# endif
#endif
#include
-#include /* Some systems define `time_t' here. */
+#include
-#ifdef TIME_WITH_SYS_TIME
-# include
-# include
-#else
-# ifdef HAVE_SYS_TIME_H
-# include
-# else
-# include
-# endif
-#endif
-#if HAVE_TZNAME && ! defined tzname
+#if HAVE_TZNAME && !HAVE_DECL_TZNAME
extern char *tzname[];
#endif
/* Do multibyte processing if multibytes are supported, unless
multibyte sequences are safe in formats. Multibyte sequences are
safe if they cannot contain byte sequences that look like format
- conversion specifications. The GNU C Library uses UTF8 multibyte
- encoding, which is safe for formats, but strftime.c can be used
- with other C libraries that use unsafe encodings. */
-#define DO_MULTIBYTE (HAVE_MBLEN && HAVE_WCHAR_H && ! MULTIBYTE_IS_FORMAT_SAFE)
+ conversion specifications. The multibyte encodings used by the
+ C library on the various platforms (UTF-8, GB2312, GBK, CP936,
+ GB18030, EUC-TW, BIG5, BIG5-HKSCS, CP950, EUC-JP, EUC-KR, CP949,
+ SHIFT_JIS, CP932, JOHAB) are safe for formats, because the byte '%'
+ cannot occur in a multibyte character except in the first byte.
+ But this does not hold for the DEC-HANYU encoding used on OSF/1. */
+#if !defined __osf__
+# define MULTIBYTE_IS_FORMAT_SAFE 1
+#endif
+#define DO_MULTIBYTE (! MULTIBYTE_IS_FORMAT_SAFE)
#if DO_MULTIBYTE
-# if HAVE_MBRLEN
-# include
-# else
- /* Simulate mbrlen with mblen as best we can. */
-# define mbstate_t int
-# define mbrlen(s, n, ps) mblen (s, n)
-# define mbsinit(ps) (*(ps) == 0)
-# endif
+# include
static const mbstate_t mbstate_zero;
#endif
@@ -94,13 +85,6 @@ extern char *tzname[];
# define MEMCPY(d, s, n) memcpy (d, s, n)
# define STRLEN(s) strlen (s)
-# ifdef _LIBC
-# define MEMPCPY(d, s, n) __mempcpy (d, s, n)
-# else
-# ifndef HAVE_MEMPCPY
-# define MEMPCPY(d, s, n) ((void *) ((char *) memcpy (d, s, n) + (n)))
-# endif
-# endif
#endif
/* Shift A right by B bits portably, by dividing A by 2**B and
@@ -141,11 +125,10 @@ extern char *tzname[];
#endif
#if !HAVE_TM_GMTOFF
-/* Portable standalone applications should supply a "time_r.h" that
+/* Portable standalone applications should supply a "time.h" that
declares a POSIX-compliant localtime_r, for the benefit of older
implementations that lack localtime_r or have a nonstandard one.
See the gnulib time_r module for one way to implement this. */
-# include "time_r.h"
# undef __gmtime_r
# undef __localtime_r
# define __gmtime_r gmtime_r
@@ -178,6 +161,12 @@ extern char *tzname[];
# define memset_zero(P, Len) (memset (P, '0', Len), (P) += (Len))
#endif
+#if FPRINTFTIME
+# define advance(P, N)
+#else
+# define advance(P, N) ((P) += (N))
+#endif
+
#define add(n, f) \
do \
{ \
@@ -196,7 +185,7 @@ extern char *tzname[];
memset_space (p, _delta); \
} \
f; \
- p += FPRINTFTIME ? 0 : _n; \
+ advance (p, _n); \
} \
i += _incr; \
} while (0)
@@ -210,12 +199,25 @@ extern char *tzname[];
#if FPRINTFTIME
# define cpy(n, s) \
add ((n), \
+ do \
+ { \
if (to_lowcase) \
fwrite_lowcase (p, (s), _n); \
else if (to_uppcase) \
fwrite_uppcase (p, (s), _n); \
else \
- fwrite ((s), _n, 1, p))
+ { \
+ /* We are ignoring the value of fwrite here, in spite of the \
+ fact that technically, that may not be valid: the fwrite \
+ specification in POSIX 2008 defers to that of fputc, which \
+ is intended to be consistent with the one from ISO C, \
+ which permits failure due to ENOMEM *without* setting the \
+ stream's error indicator. */ \
+ ignore_value (fwrite ((s), _n, 1, p)); \
+ } \
+ } \
+ while (0) \
+ )
#else
# define cpy(n, s) \
add ((n), \