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(_strftime_copytm): New function, to work around Solaris 2.5 tzset bug.

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From Paul Eggert.
This commit is contained in:
Jim Meyering
1997-01-22 22:43:15 +00:00
parent db7201835d
commit d64cc3c1ef
1 changed files with 25 additions and 1 deletions
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26
lib/strftime.c
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@@ -1,4 +1,4 @@
/* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
/* 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.
@@ -329,6 +329,30 @@ static char const month_name[][10] =
};
#endif
#if !defined _LIBC && HAVE_TZNAME && HAVE_TZSET
/* Solaris 2.5 tzset sometimes modifies the storage returned by localtime.
Work around this bug by copying *tp before it might be munged. */
size_t _strftime_copytm __P ((char *, size_t, const char *,
const struct tm *));
size_t
strftime (s, maxsize, format, tp)
char *s;
size_t maxsize;
const char *format;
const struct tm *tp;
{
struct tm tmcopy;
tmcopy = *tp;
return _strftime_copytm (s, maxsize, format, &tmcopy);
}
# ifdef strftime
# undef strftime
# endif
# define strftime _strftime_copytm
#endif
/* Write information from TP into S according to the format
string FORMAT, writing no more that MAXSIZE characters
(including the terminating '\0') and returning number of