diff options
Diffstat (limited to 'libar2_decode_params.c')
| -rw-r--r-- | libar2_decode_params.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libar2_decode_params.c b/libar2_decode_params.c index 1f7d270..86fae6c 100644 --- a/libar2_decode_params.c +++ b/libar2_decode_params.c @@ -8,7 +8,7 @@ decode_u32(const char *s, uint_least32_t *outp) uint_least32_t digit; size_t i; - if ((s[0] == '0' && s[1] != '0') || !isdigit(s[0])) { + if (s[0] == '0' || !isdigit(s[0])) { errno = EINVAL; return 0; } @@ -59,6 +59,8 @@ libar2_decode_params(const char *str, struct libar2_argon2_parameters *params, c goto fail; if (u32 > (uint_least32_t)INT_MAX) goto erange; + if (!u32) + goto einval; params->version = (enum libar2_argon2_version)u32; str += n + 2; if (*str++ != '$') |