misc

Signed-off-by: Mattias Andrée <m@maandree.se>

1 files changed, 7 insertions, 2 deletions

diff --git a/lss16toppm.c b/lss16toppm.c
index 6dcff62..48c9b93 100644
--- a/lss16toppm.c
+++ b/lss16toppm.c
@@ -6,6 +6,10 @@
 #include <string.h>
 #include <unistd.h>
 
+#if defined(__clang__)
+# pragma clang diagnostic ignored "-Wunsafe-buffer-usage"
+#endif
+
 
 static const char *argv0 = "lss16toppm";
 
@@ -41,7 +45,7 @@ main(int argc, char *argv[])
 	enum liblss16_decode_error error;
 	int head_printed = 0;
 	int print_colour_map = 0;
-	int have_stdout, len;
+	int have_stdout = 0, len;
 	size_t i;
 
 	/* cmdline syntax is inherited from the SYSLINUX implementation,
@@ -52,11 +56,12 @@ main(int argc, char *argv[])
 		argc--;
 	}
 
-	for (; argc; argc--, argv++) {
+	for (; argc--; argv++) {
 		if (!strcmp(*argv, "-map")) {
 			print_colour_map = 1;
 		} else {
 			fprintf(stderr, "%s: Unknown option: %s\n", argv0, *argv);
+			return 2;
 		}
 	}