diff options
Diffstat (limited to 'wtf8.c')
-rw-r--r-- | wtf8.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -92,8 +92,10 @@ int main(int argc, char **argv) { /* * Check we have one and only one argument */ - if (argc != 2) + if (argc != 2) { + fprintf(stderr, "%s: Need one argument\n", PROGRAM_NAME); exit(EXIT_FAILURE); + } /* * Print the sole argument first as hex octets, then as characters, spaced |