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Small sanity check in wildcard tag matching code.

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Petr Menšík authored and Simon Kelley committed 2021-09-11 14:26:03 +01:00
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commit dea69a12aa
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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)
{
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. */
if (check->net[0] != '!' && check->net[0] != '#')