wip

cmd/crc.c

@@ -175,6 +175,9 @@ int main() {
 	}
 
 	fp = fopen("./1.png", "rt");
+    if (fp == NULL) {
+        return EXIT_FAILURE;
+    }
 	unsigned char *file_data = file_to_char_array(fp, &i);
 	fclose(fp);