2 * Copyright (c) 1980, 1993
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34 /* $Id: unctime.c,v 1.3 2006/05/25 01:47:11 johnfranks Exp $ */
39 * Convert a ctime(3) format string into a system format date.
40 * Return the date thus calculated.
42 * Return -1 if the string is not in ctime format.
46 * Offsets into the ctime string to various parts.
56 static int lookup(char *);
66 (void) strncpy(dbuf, str, SIZEOF(dbuf) - 1);
67 dbuf[SIZEOF(dbuf) - 1] = '\0';
68 dbuf[E_MONTH+3] = '\0';
69 if ((then.tm_mon = lookup(&dbuf[E_MONTH])) < 0)
71 then.tm_mday = atoi(&dbuf[E_DAY]);
72 then.tm_hour = atoi(&dbuf[E_HOUR]);
73 then.tm_min = atoi(&dbuf[E_MINUTE]);
74 then.tm_sec = atoi(&dbuf[E_SECOND]);
75 then.tm_year = atoi(&dbuf[E_YEAR]) - 1900;
80 static char months[] =
81 "JanFebMarAprMayJunJulAugSepOctNovDec";
87 register char *cp, *cp2;
89 for (cp = months, cp2 = str; *cp != '\0'; cp += 3)
90 if (strncmp(cp, cp2, 3) == 0)
91 return ((int)(cp-months) / 3);