]>
Commit | Line | Data |
---|---|---|
1227625a SP |
1 | /* |
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, 1995, 1996 | |
5 | * | |
6 | */ | |
7 | ||
8 | /*- | |
9 | * Copyright (c) 1980, 1993 | |
10 | * The Regents of the University of California. All rights reserved. | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or without | |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * 1. Redistributions of source code must retain the above copyright | |
16 | * notice, this list of conditions and the following disclaimer. | |
17 | * 2. Redistributions in binary form must reproduce the above copyright | |
18 | * notice, this list of conditions and the following disclaimer in the | |
19 | * documentation and/or other materials provided with the distribution. | |
20 | * 3. All advertising materials mentioning features or use of this software | |
21 | * must display the following acknowledgement: | |
22 | * This product includes software developed by the University of | |
23 | * California, Berkeley and its contributors. | |
24 | * 4. Neither the name of the University nor the names of its contributors | |
25 | * may be used to endorse or promote products derived from this software | |
26 | * without specific prior written permission. | |
27 | * | |
28 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
29 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
30 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
31 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
32 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
33 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
34 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
35 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
36 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
37 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
38 | * SUCH DAMAGE. | |
39 | */ | |
40 | ||
41 | #ifndef lint | |
42 | static char sccsid[] = "@(#)unctime.c 8.2 (Berkeley) 6/14/94"; | |
43 | #endif /* not lint */ | |
44 | ||
45 | #include <sys/types.h> | |
46 | ||
47 | #include <stdio.h> | |
48 | #include <time.h> | |
49 | #ifdef __STDC__ | |
50 | #include <stdlib.h> | |
51 | #include <string.h> | |
52 | #endif | |
53 | ||
54 | #ifndef __P | |
55 | #include <sys/cdefs.h> | |
56 | #endif | |
57 | ||
58 | /* | |
59 | * Convert a ctime(3) format string into a system format date. | |
60 | * Return the date thus calculated. | |
61 | * | |
62 | * Return -1 if the string is not in ctime format. | |
63 | */ | |
64 | ||
65 | /* | |
66 | * Offsets into the ctime string to various parts. | |
67 | */ | |
68 | ||
69 | #define E_MONTH 4 | |
70 | #define E_DAY 8 | |
71 | #define E_HOUR 11 | |
72 | #define E_MINUTE 14 | |
73 | #define E_SECOND 17 | |
74 | #define E_YEAR 20 | |
75 | ||
76 | static int lookup __P((char *)); | |
77 | ||
78 | ||
79 | time_t | |
80 | unctime(str) | |
81 | char *str; | |
82 | { | |
83 | struct tm then; | |
84 | char dbuf[26]; | |
85 | ||
86 | (void) strncpy(dbuf, str, sizeof(dbuf) - 1); | |
87 | dbuf[sizeof(dbuf) - 1] = '\0'; | |
88 | dbuf[E_MONTH+3] = '\0'; | |
89 | if ((then.tm_mon = lookup(&dbuf[E_MONTH])) < 0) | |
90 | return (-1); | |
91 | then.tm_mday = atoi(&dbuf[E_DAY]); | |
92 | then.tm_hour = atoi(&dbuf[E_HOUR]); | |
93 | then.tm_min = atoi(&dbuf[E_MINUTE]); | |
94 | then.tm_sec = atoi(&dbuf[E_SECOND]); | |
95 | then.tm_year = atoi(&dbuf[E_YEAR]) - 1900; | |
96 | then.tm_isdst = -1; | |
97 | return(mktime(&then)); | |
98 | } | |
99 | ||
100 | static char months[] = | |
101 | "JanFebMarAprMayJunJulAugSepOctNovDec"; | |
102 | ||
103 | static int | |
104 | lookup(str) | |
105 | char *str; | |
106 | { | |
107 | register char *cp, *cp2; | |
108 | ||
109 | for (cp = months, cp2 = str; *cp != '\0'; cp += 3) | |
110 | if (strncmp(cp, cp2, 3) == 0) | |
111 | return((cp-months) / 3); | |
112 | return(-1); | |
113 | } |