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sudo v 1.8.10p3

    1: /*
    2:  * Copyright (c) 1999, 2009-2011 Todd C. Miller <Todd.Miller@courtesan.com>
    3:  *
    4:  * Permission to use, copy, modify, and distribute this software for any
    5:  * purpose with or without fee is hereby granted, provided that the above
    6:  * copyright notice and this permission notice appear in all copies.
    7:  *
    8:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
    9:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   10:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   11:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   12:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   13:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   14:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   15:  */
   16: 
   17: #include <config.h>
   18: 
   19: #include <sys/types.h>
   20: #include <stdio.h>
   21: #ifdef STDC_HEADERS
   22: # include <stdlib.h>
   23: # include <stddef.h>
   24: #else
   25: # ifdef HAVE_STDLIB_H
   26: #  include <stdlib.h>
   27: # endif
   28: #endif /* STDC_HEADERS */
   29: #include <time.h>
   30: 
   31: #include "missing.h"
   32: 
   33: char *get_timestr(time_t, int);
   34: 
   35: /*
   36:  * Return a static buffer with the current date + time.
   37:  * Uses strftime() if available, else falls back to ctime().
   38:  */
   39: char *
   40: get_timestr(time_t tstamp, int log_year)
   41: {
   42:     char *s;
   43: #ifdef HAVE_STRFTIME
   44:     static char buf[128];
   45:     struct tm *timeptr;
   46: 
   47:     if ((timeptr = localtime(&tstamp)) != NULL) {
   48: 	/* strftime() does not guarantee to NUL-terminate so we must check. */
   49: 	buf[sizeof(buf) - 1] = '\0';
   50: 	if (strftime(buf, sizeof(buf), log_year ? "%h %e %T %Y" : "%h %e %T",
   51: 	    timeptr) != 0 && buf[sizeof(buf) - 1] == '\0')
   52: 	    return buf;
   53:     }
   54: 
   55: #endif /* HAVE_STRFTIME */
   56: 
   57:     s = ctime(&tstamp);
   58:     if (s != NULL) {
   59: 	s += 4;				/* skip day of the week */
   60: 	if (log_year)
   61: 	    s[20] = '\0';		/* avoid the newline */
   62: 	else
   63: 	    s[15] = '\0';		/* don't care about year */
   64:     }
   65: 
   66:     return s;
   67: }