dwm/util.c

/* See LICENSE file for copyright and license details. */
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "util.h"

void*
ecalloc(size_t nmemb, size_t size)
{
    void* p;

    if (!(p = calloc(nmemb, size)))
        die("calloc:");
    return p;
}

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

    va_start(ap, fmt);
    vfprintf(stderr, fmt, ap);
    va_end(ap);

    if (fmt[0] && fmt[strlen(fmt) - 1] == ':') {
        fputc(' ', stderr);
        perror(NULL);
    } else {
        fputc('\n', stderr);
    }

    exit(1);
}