ubase/util/eprintf.c

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/* See LICENSE file for copyright and license details. */
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../util.h"
char *argv0;
static void venprintf(int, const char *, va_list);
void
eprintf(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
venprintf(EXIT_FAILURE, fmt, ap);
va_end(ap);
}
void
enprintf(int status, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
venprintf(status, fmt, ap);
va_end(ap);
}
void
venprintf(int status, const char *fmt, va_list ap)
{
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fprintf(stderr, "%s: ", argv0);
vfprintf(stderr, fmt, ap);
if(fmt[0] && fmt[strlen(fmt)-1] == ':') {
fputc(' ', stderr);
perror(NULL);
}
exit(status);
}