From 51664faebcc10b53a1a78cff95f0efc04a2c7f8e Mon Sep 17 00:00:00 2001 From: sin Date: Thu, 6 Feb 2014 11:14:33 +0000 Subject: Initial commit --- util/eprintf.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 util/eprintf.c (limited to 'util/eprintf.c') diff --git a/util/eprintf.c b/util/eprintf.c new file mode 100644 index 0000000..6d6fa65 --- /dev/null +++ b/util/eprintf.c @@ -0,0 +1,46 @@ +/* See LICENSE file for copyright and license details. */ +#include +#include +#include +#include + +#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) +{ + fprintf(stderr, "%s: ", argv0); + + vfprintf(stderr, fmt, ap); + + if(fmt[0] && fmt[strlen(fmt)-1] == ':') { + fputc(' ', stderr); + perror(NULL); + } + + exit(status); +} -- cgit v1.2.3-70-g09d2