blob: 07684ddbe054a687a10299b9ffd5278f513b5cfe [file] [log] [blame] [edit]
/* ----------------------------------------------------------------------- *
*
* Copyright 2001-2007 H. Peter Anvin - All Rights Reserved
*
* This program is free software available under the same license
* as the "OpenBSD" operating system, distributed at
* http://www.openbsd.org/.
*
* ----------------------------------------------------------------------- */
/*
* misc.c
*
* Minor help routines.
*/
#include "config.h" /* Must be included first! */
#include <syslog.h>
#include "tftpd.h"
/*
* Set the signal handler and flags. Basically a user-friendly
* wrapper around sigaction().
*/
void set_signal(int signum, void (*handler) (int), int flags)
{
struct sigaction sa;
memset(&sa, 0, sizeof sa);
sa.sa_handler = handler;
sigemptyset(&sa.sa_mask);
sa.sa_flags = flags;
if (sigaction(signum, &sa, NULL)) {
syslog(LOG_ERR, "sigaction: %m");
exit(EX_OSERR);
}
}
/*
* malloc() that syslogs an error message and bails if it fails.
*/
void *tfmalloc(size_t size)
{
void *p = malloc(size);
if (!p) {
syslog(LOG_ERR, "malloc: %m");
exit(EX_OSERR);
}
return p;
}
/*
* strdup() that does the equivalent
*/
char *tfstrdup(const char *str)
{
char *p = strdup(str);
if (!p) {
syslog(LOG_ERR, "strdup: %m");
exit(EX_OSERR);
}
return p;
}