diff options
Diffstat (limited to 'src/io/cli.c')
| -rw-r--r-- | src/io/cli.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/io/cli.c b/src/io/cli.c index 2ca4b29..14d51f8 100644 --- a/src/io/cli.c +++ b/src/io/cli.c @@ -380,7 +380,11 @@ error_t cli_parse(int key, char *arg, struct argp_state *state) { argp_usage(state); } - cfg->bits = strtoul(arg, NULL, 10); + char *bits_end = NULL; + cfg->bits = strtoul(arg, &bits_end, 10); + if (*bits_end != '\0') { + argp_failure(state, 1, 0, "Invalid bit size specified."); + } cfg->hex_digits = 2 * (cfg->bits / 8 + (cfg->bits % 8 != 0 ? 1 : 0)); break; |