fenders: report errors and exit if axe fails for -b, -d options.

1 files changed, 8 insertions, 3 deletions

diff --git a/fenders.c b/fenders.c
index fc44754..ce3b242 100644
--- a/fenders.c
+++ b/fenders.c
@@ -133,12 +133,17 @@ void set_screen_off(density dens) {
 		fendersdbl_bin[OFFSET_SCREENOFF_DD] = 0x8d;
 }
 
-/* TODO: error checking */
 void call_axe(const char *args, const char *fname) {
+	int ret;
 	char cmd[8192];
+
 	sprintf(cmd, "axe %s %s", args, fname);
-	fprintf(stderr, SELF ": calling axe, cmd is: %s\n", cmd);
-	system(cmd);
+	ret = system(cmd);
+
+	if(ret) {
+		fprintf(stderr, SELF ": \"%s\" failed, status %d\n", cmd, ret);
+		exit(1);
+	}
 }
 
 int main(int argc, char **argv) {