some stuff, breaks save compatability

1 files changed, 14 insertions, 2 deletions

diff --git a/src/util.c b/src/util.c
index de1aaca..679fc4c 100644
--- a/src/util.c
+++ b/src/util.c
@@ -114,8 +114,7 @@ static void detect_endianness(void)
         endianness = LITTLE;
     else
     {
-        printf("FATAL: failed to detect system endianness!\n");
-        exit(EXIT_FAILURE);
+        fail("failed to detect system endianness");
     }
 }
 
@@ -322,3 +321,16 @@ uint parse_args(struct player_t *player, int argc, char *argv[])
 
     return ret;
 }
+
+void fail(const char *fmt, ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+    char buf[256];
+    vsnprintf(buf, sizeof(buf), fmt, ap);
+    va_end(ap);
+
+    fprintf(stderr, "FATAL: %s\n", buf);
+
+    exit(EXIT_FAILURE);
+}