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Small sanity check in wildcard tag matching code.

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Petr Menšík
2021-09-11 14:26:03 +01:00
committed by Simon Kelley
parent e0ce3c12f2
commit dea69a12aa
1 changed files with 1 additions and 1 deletions
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2
src/dhcp-common.c
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@@ -88,7 +88,7 @@ int match_netid_wild(struct dhcp_netid *check, struct dhcp_netid *pool)
for (; check; check = check->next) for (; check; check = check->next)
{ {
const int check_len = strlen(check->net); const int check_len = strlen(check->net);
const int is_wc = (check->net[check_len - 1] == '*'); const int is_wc = (check_len > 0 && check->net[check_len - 1] == '*');
/* '#' for not is for backwards compat. */ /* '#' for not is for backwards compat. */
if (check->net[0] != '!' && check->net[0] != '#') if (check->net[0] != '!' && check->net[0] != '#')