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git.wh0rd.org - dump.git/blob - dump/unctime.c
2 * Ported to Linux's Second Extended File System as part of the
3 * dump and restore backup suit
4 * Remy Card <card@Linux.EU.Org>, 1994-1997
5 * Stelian Pop <stelian@popies.net>, 1999-2000
6 * Stelian Pop <stelian@popies.net> - AlcĂ´ve <www.alcove.com>, 2000-2002
10 * Copyright (c) 1980, 1993
11 * The Regents of the University of California. All rights reserved.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 static const char rcsid
[] =
40 "$Id: unctime.c,v 1.16 2003/03/30 15:40:37 stelian Exp $";
51 #include <sys/param.h>
55 #ifdef HAVE_EXT2FS_EXT2_FS_H
56 #include <ext2fs/ext2_fs.h>
58 #include <linux/ext2_fs.h>
60 #include <ext2fs/ext2fs.h>
61 #include <bsdcompat.h>
67 * Convert a ctime(3) format string into a system format date.
68 * Return the date thus calculated.
70 * Return -1 if the string is not in ctime format.
74 * Offsets into the ctime string to various parts.
85 static int lookup
__P((const char *));
89 unctime(const char *str
)
96 (void) strncpy(dbuf
, str
, sizeof(dbuf
) - 1);
97 dbuf
[sizeof(dbuf
) - 1] = '\0';
98 dbuf
[E_MONTH
+3] = '\0';
99 if ((then
.tm_mon
= lookup(&dbuf
[E_MONTH
])) < 0)
101 then
.tm_mday
= atoi(&dbuf
[E_DAY
]);
102 then
.tm_hour
= atoi(&dbuf
[E_HOUR
]);
103 then
.tm_min
= atoi(&dbuf
[E_MINUTE
]);
104 then
.tm_sec
= atoi(&dbuf
[E_SECOND
]);
105 then
.tm_year
= atoi(&dbuf
[E_YEAR
]) - 1900;
107 if (strlen(str
) >= E_TZOFFSET
+5) {
108 rtime
= timegm(&then
);
109 /* add timezone offset */
110 tzoffset
= atoi(&dbuf
[E_TZOFFSET
]);
111 rtime
-= (tzoffset
/ 100 * 3600) + (tzoffset
% 100) * 60;
113 rtime
= timelocal(&then
);
118 static char months
[] =
119 "JanFebMarAprMayJunJulAugSepOctNovDec";
122 lookup(const char *str
)
124 const char *cp
, *cp2
;
126 for (cp
= months
, cp2
= str
; *cp
!= '\0'; cp
+= 3)
127 if (strncmp(cp
, cp2
, 3) == 0)
128 return((cp
-months
) / 3);