ares_set_servers_csv: use ISDIGIT

The IS*() set of macros are preferred to the regular is*() functions as they help us avoid the most common pitfalls.
15 years ago · cef3a4c7aa
parent 8d33804971
commit cef3a4c7aa
1 changed files with 1 additions and 1 deletions
--- a/ares_options.c
+++ b/ares_options.c
@ -178,7 +178,7 @@ int ares_set_servers_csv(ares_channel channel,
      while (pp > start_host) {
        if (*pp == ':')
          break; /* yes */
-        if (!isdigit((int)(*pp))) {
+        if (!ISDIGIT(*pp)) {
          /* Found end of digits before we found :, so wasn't a port */
          pp = ptr;
          break;