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-rw-r--r--util.c26
1 files changed, 21 insertions, 5 deletions
diff --git a/util.c b/util.c
index 51acd1a..6b703e9 100644
--- a/util.c
+++ b/util.c
@@ -2,16 +2,32 @@
#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)))
+ perror(NULL);
+ return p;
+}
+
void
-die(const char *errstr, ...) {
+die(const char *fmt, ...) {
va_list ap;
- va_start(ap, errstr);
- vfprintf(stderr, errstr, ap);
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
va_end(ap);
- exit(EXIT_FAILURE);
-}
+ if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
+ fputc(' ', stderr);
+ perror(NULL);
+ }
+
+ exit(1);
+}