tftpd/misc.c

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Copyright 2001-2007 H. Peter Anvin - All Rights Reserved
   4  *
   5  *   This program is free software available under the same license
   6  *   as the "OpenBSD" operating system, distributed at
   7  *   http://www.openbsd.org/.
   8  *
   9  * ----------------------------------------------------------------------- */
  10
  11 /*
  12  * misc.c
  13  *
  14  * Minor help routines.
  15  */
  16
  17 #include "config.h"             /* Must be included first! */
  18 #include <syslog.h>
  19 #include "tftpd.h"
  20
  21 /*
  22  * Set the signal handler and flags, and error out on failure.
  23  */
  24 void set_signal(int signum, sighandler_t handler, int flags)
  25 {
  26     if (tftp_signal(signum, handler, flags)) {
  27         syslog(LOG_ERR, "sigaction: %m");
  28         exit(EX_OSERR);
  29     }
  30 }
  31
  32 /*
  33  * malloc() that syslogs an error message and bails if it fails.
  34  */
  35 void *tfmalloc(size_t size)
  36 {
  37     void *p = malloc(size);
  38
  39     if (!p) {
  40         syslog(LOG_ERR, "malloc: %m");
  41         exit(EX_OSERR);
  42     }
  43
  44     return p;
  45 }
  46
  47 /*
  48  * strdup() that does the equivalent
  49  */
  50 char *tfstrdup(const char *str)
  51 {
  52     char *p = strdup(str);
  53
  54     if (!p) {
  55         syslog(LOG_ERR, "strdup: %m");
  56         exit(EX_OSERR);
  57     }
  58
  59     return p;
  60 }