diff options
Diffstat (limited to 'src/gsm')
| -rw-r--r-- | src/gsm/gsm23003.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gsm/gsm23003.c b/src/gsm/gsm23003.c index 4cc2671f..e20afcbc 100644 --- a/src/gsm/gsm23003.c +++ b/src/gsm/gsm23003.c @@ -411,7 +411,7 @@ int osmo_mnc_from_str(const char *mnc_str, uint16_t *mnc, bool *mnc_3_digits) char *endptr; int rc = 0; - if (!mnc_str || !isdigit(mnc_str[0]) || strlen(mnc_str) > 3) + if (!mnc_str || !isdigit((unsigned char)mnc_str[0]) || strlen(mnc_str) > 3) return -EINVAL; errno = 0; |