diff options
| -rw-r--r-- | src/iptool.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/iptool.c b/src/iptool.c index cf2f190..c31161e 100644 --- a/src/iptool.c +++ b/src/iptool.c @@ -15,6 +15,8 @@ #include <stdio.h> #include <stdlib.h> +#define PROGRAM_NAME "iptool" + static uint32_t ip_to_u32(const char *ip_str) { int o1, o2, o3, o4; @@ -91,7 +93,7 @@ int main(int argc, char *argv[]) uint32_t total, usable; if (argc < 3) { - fprintf(stderr, "Usage: %s <ip> <prefix>\n", argv[0]); + fprintf(stderr, "Usage: %s <ip> <prefix>\n", PROGRAM_NAME); return 1; } |