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1227625a SP |
1 | /* |
2 | * Ported to Linux's Second Extended File System as part of the | |
3 | * dump and restore backup suit | |
b45f51d6 SP |
4 | * Remy Card <card@Linux.EU.Org>, 1994-1997 |
5 | * Stelian Pop <pop@cybercable.fr>, 1999 | |
1227625a SP |
6 | * |
7 | */ | |
8 | ||
9 | /*- | |
10 | * Copyright (c) 1980, 1993 | |
11 | * The Regents of the University of California. All rights reserved. | |
12 | * | |
13 | * Redistribution and use in source and binary forms, with or without | |
14 | * modification, are permitted provided that the following conditions | |
15 | * are met: | |
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. All advertising materials mentioning features or use of this software | |
22 | * must display the following acknowledgement: | |
23 | * This product includes software developed by the University of | |
24 | * California, Berkeley and its contributors. | |
25 | * 4. Neither the name of the University nor the names of its contributors | |
26 | * may be used to endorse or promote products derived from this software | |
27 | * without specific prior written permission. | |
28 | * | |
29 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
30 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
31 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
32 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
33 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
34 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
35 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
36 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
37 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
38 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
39 | * SUCH DAMAGE. | |
ec387a12 SP |
40 | * |
41 | * $Id: unctime.c,v 1.5 1999/10/11 13:31:12 stelian Exp $ | |
1227625a SP |
42 | */ |
43 | ||
1227625a SP |
44 | #include <time.h> |
45 | #ifdef __STDC__ | |
46 | #include <stdlib.h> | |
47 | #include <string.h> | |
48 | #endif | |
49 | ||
ddd2ef55 SP |
50 | #include <sys/param.h> |
51 | #include <stdio.h> | |
52 | ||
53 | #ifdef __linux__ | |
54 | #include <linux/ext2_fs.h> | |
55 | #include <ext2fs/ext2fs.h> | |
56 | #include <bsdcompat.h> | |
57 | #endif | |
58 | ||
59 | #include "dump.h" | |
60 | ||
1227625a SP |
61 | /* |
62 | * Convert a ctime(3) format string into a system format date. | |
63 | * Return the date thus calculated. | |
64 | * | |
65 | * Return -1 if the string is not in ctime format. | |
66 | */ | |
67 | ||
68 | /* | |
69 | * Offsets into the ctime string to various parts. | |
70 | */ | |
71 | ||
72 | #define E_MONTH 4 | |
73 | #define E_DAY 8 | |
74 | #define E_HOUR 11 | |
75 | #define E_MINUTE 14 | |
76 | #define E_SECOND 17 | |
77 | #define E_YEAR 20 | |
78 | ||
ddd2ef55 | 79 | static int lookup __P((const char *)); |
1227625a SP |
80 | |
81 | ||
82 | time_t | |
ddd2ef55 | 83 | unctime(const char *str) |
1227625a SP |
84 | { |
85 | struct tm then; | |
86 | char dbuf[26]; | |
87 | ||
88 | (void) strncpy(dbuf, str, sizeof(dbuf) - 1); | |
89 | dbuf[sizeof(dbuf) - 1] = '\0'; | |
90 | dbuf[E_MONTH+3] = '\0'; | |
91 | if ((then.tm_mon = lookup(&dbuf[E_MONTH])) < 0) | |
92 | return (-1); | |
93 | then.tm_mday = atoi(&dbuf[E_DAY]); | |
94 | then.tm_hour = atoi(&dbuf[E_HOUR]); | |
95 | then.tm_min = atoi(&dbuf[E_MINUTE]); | |
96 | then.tm_sec = atoi(&dbuf[E_SECOND]); | |
97 | then.tm_year = atoi(&dbuf[E_YEAR]) - 1900; | |
98 | then.tm_isdst = -1; | |
99 | return(mktime(&then)); | |
100 | } | |
101 | ||
102 | static char months[] = | |
103 | "JanFebMarAprMayJunJulAugSepOctNovDec"; | |
104 | ||
105 | static int | |
ddd2ef55 | 106 | lookup(const char *str) |
1227625a | 107 | { |
ddd2ef55 | 108 | register const char *cp, *cp2; |
1227625a SP |
109 | |
110 | for (cp = months, cp2 = str; *cp != '\0'; cp += 3) | |
111 | if (strncmp(cp, cp2, 3) == 0) | |
112 | return((cp-months) / 3); | |
113 | return(-1); | |
114 | } |