X-Git-Url: https://git.draconx.ca/gitweb/upkg.git/blobdiff_plain/ebcf9b833bc750ce81951a3278065bbb86ecbdce..94cc6656cd266c2f0d8eb5bc1201fa091744c46c:/test/decodeindex.c

diff --git a/test/decodeindex.c b/test/decodeindex.c
index bbe15f4..415fa79 100644
--- a/test/decodeindex.c
+++ b/test/decodeindex.c
@@ -26,7 +26,7 @@
 
 #define PROGNAME "decodeindex"
 static const char *progname = PROGNAME;
-static const unsigned char sopts[] = "VH";
+static const char sopts[] = "VH";
 static const struct option lopts[] = {
 	{ "version", 0, NULL, 'V' },
 	{ "help",    0, NULL, 'H' },
@@ -86,6 +86,12 @@ static void print_version(void)
 static void print_bytes(FILE *f, int indent, void *buf, size_t n)
 {
 	fprintf(f, "%*s", indent, "");
+
+	if (n == 0) {
+		printf("(empty)\n");
+		return;
+	}
+
 	for (size_t i = 0; i < n; i++)
 		fprintf(f, "%*s%.2hhx", i != 0, "", ((unsigned char *)buf)[i]);
 	putc('\n', f);
@@ -103,9 +109,6 @@ static int print_index(const char *hex)
 		fprintf(stderr, "%s: invalid hex sequence: %s\n",
 		                progname, hex);
 		goto out;
-	} else if (n == 0) {
-		fprintf(stderr, "%s: empty argument\n", progname);
-		goto out;
 	} else if (n > sizeof buf) {
 		fprintf(stderr, "%s: hex sequence too long: %s\n",
 		                progname, hex);