xref: /titanic_44/usr/src/lib/libast/common/comp/strptime.c (revision cb8a054b1ab30d5caa746e6c44f29d4c9d3071c1)
1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                  Common Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                  David Korn <dgk@research.att.com>                   *
19 *                   Phong Vo <kpv@research.att.com>                    *
20 *                                                                      *
21 ***********************************************************************/
22 #pragma prototyped
23 /*
24  * strptime implementation
25  */
26 
27 #define strptime	______strptime
28 
29 #include <ast.h>
30 #include <tmx.h>
31 
32 #undef	strptime
33 
34 #undef	_def_map_ast
35 #include <ast_map.h>
36 
37 #if _lib_strptime
38 
39 NoN(strptime)
40 
41 #else
42 
43 #if defined(__EXPORT__)
44 #define extern	__EXPORT__
45 #endif
46 
47 extern char*
48 strptime(const char* s, const char* format, struct tm* ts)
49 {
50 	char*	e;
51 	char*	f;
52 	time_t	t;
53 	Tm_t	tm;
54 
55 	memset(&tm, 0, sizeof(tm));
56 	tm.tm_sec = ts->tm_sec;
57 	tm.tm_min = ts->tm_min;
58 	tm.tm_hour = ts->tm_hour;
59 	tm.tm_mday = ts->tm_mday;
60 	tm.tm_mon = ts->tm_mon;
61 	tm.tm_year = ts->tm_year;
62 	tm.tm_wday = ts->tm_wday;
63 	tm.tm_yday = ts->tm_yday;
64 	tm.tm_isdst = ts->tm_isdst;
65 	t = tmtime(&tm, TM_LOCALZONE);
66 	t = tmscan(s, &e, format, &f, &t, 0);
67 	if (e == (char*)s || *f)
68 		return 0;
69 	tmxtm(&tm, tmxclock(&t), NiL);
70 	ts->tm_sec = tm.tm_sec;
71 	ts->tm_min = tm.tm_min;
72 	ts->tm_hour = tm.tm_hour;
73 	ts->tm_mday = tm.tm_mday;
74 	ts->tm_mon = tm.tm_mon;
75 	ts->tm_year = tm.tm_year;
76 	ts->tm_wday = tm.tm_wday;
77 	ts->tm_yday = tm.tm_yday;
78 	ts->tm_isdst = tm.tm_isdst;
79 	return e;
80 }
81 
82 #endif
83