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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2009 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* 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
/*
* strftime implementation
*/
#define strftime ______strftime
#include <ast.h>
#include <tm.h>
#undef strftime
#undef _def_map_ast
#include <ast_map.h>
#undef _lib_strftime /* we can pass X/Open */
#if _lib_strftime
NoN(strftime)
#else
#if defined(__EXPORT__)
#define extern __EXPORT__
#endif
extern size_t
strftime(char* buf, size_t len, const char* format, const struct tm* tm)
{
register char* s;
time_t t;
Tm_t tl;
memset(&tl, 0, sizeof(tl));
/*
* nl_langinfo() may call strftime() with bogus tm except for
* one value -- what a way to go
*/
if (tm->tm_sec < 0 || tm->tm_sec > 60 ||
tm->tm_min < 0 || tm->tm_min > 59 ||
tm->tm_hour < 0 || tm->tm_hour > 23 ||
tm->tm_wday < 0 || tm->tm_wday > 6 ||
tm->tm_mday < 1 || tm->tm_mday > 31 ||
tm->tm_mon < 0 || tm->tm_mon > 11 ||
tm->tm_year < 0 || tm->tm_year > (2138 - 1900))
{
if (tm->tm_sec >= 0 && tm->tm_sec <= 60)
tl.tm_sec = tm->tm_sec;
if (tm->tm_min >= 0 && tm->tm_min <= 59)
tl.tm_min = tm->tm_min;
if (tm->tm_hour >= 0 && tm->tm_hour <= 23)
tl.tm_hour = tm->tm_hour;
if (tm->tm_wday >= 0 && tm->tm_wday <= 6)
tl.tm_wday = tm->tm_wday;
if (tm->tm_mday >= 0 && tm->tm_mday <= 31)
tl.tm_mday = tm->tm_mday;
if (tm->tm_mon >= 0 && tm->tm_mon <= 11)
tl.tm_mon = tm->tm_mon;
if (tm->tm_year >= 0 && tm->tm_year <= (2138 - 1900))
tl.tm_year = tm->tm_year;
}
else
{
tl.tm_sec = tm->tm_sec;
tl.tm_min = tm->tm_min;
tl.tm_hour = tm->tm_hour;
tl.tm_mday = tm->tm_mday;
tl.tm_mon = tm->tm_mon;
tl.tm_year = tm->tm_year;
tl.tm_wday = tm->tm_wday;
tl.tm_yday = tm->tm_yday;
tl.tm_isdst = tm->tm_isdst;
}
t = tmtime(&tl, TM_LOCALZONE);
if (!(s = tmfmt(buf, len, format, &t)))
return 0;
return s - buf;
}
#endif
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