utils.c

/*
 * Copyright 1999-2008 by Marco d'Itri <md@linux.it>.
 *
 * do_nofail comes from the module-init-tools package.
 * Copyright 2001 by Rusty Russell.
 * Copyright 2002, 2003 by Rusty Russell, IBM Corporation.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

/* System library */
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>

/* Application-specific */
#include "utils.h"

extern const char *progname;

void *do_nofail(void *ptr, const char *file, const int line)
{
    if (ptr)
	return ptr;

    err_quit("Memory allocation failure at %s:%d.", file, line);
}

/* Error routines */
void NORETURN err_sys(const char *fmt, ...)
{
    va_list ap;

    va_start(ap, fmt);
    fprintf(stderr, "%s: ", progname);
    vfprintf(stderr, fmt, ap);
    fprintf(stderr, ": %s\n", strerror(errno));
    va_end(ap);
    exit(-1);
}

void NORETURN err_quit(const char *fmt, ...)
{
    va_list ap;

    va_start(ap, fmt);
    fprintf(stderr, "%s: ", progname);
    vfprintf(stderr, fmt, ap);
    fputs("\n", stderr);
    va_end(ap);
    exit(-1);
}