1 files changed, 11 insertions, 0 deletions
diff --git a/common.c b/common.c
index 96f1747..91db878 100644
--- a/common.c
+++ b/common.c
@@ -20,12 +20,23 @@ void die(int ret, char *fmtstr, ...)
 {
 	va_list args;
 
+	fprintf(stderr, "%s: ", progname);
 	va_start(args, fmtstr);
 	vfprintf(stderr, fmtstr, args);
 	va_end(args);
 	exit(ret);
 }
 
+void errstr(char *fmtstr, ...)
+{
+	va_list args;
+
+	fprintf(stderr, "%s: ", progname);
+	va_start(args, fmtstr);
+	vfprintf(stderr, fmtstr, args);
+	va_end(args);
+}
+
 void *smalloc(size_t size)
 {
 	void *ret = malloc(size);