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Fix an off-by-one error in catz_opt_cmp() function

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This commit fixes an off-by-one error in catz_opt_cmp() function which
was resulting in ignoring the last character of the compared string.
This commit is contained in:
Aram Sargsyan
2021-09-03 00:59:57 +00:00
parent ae53919154
commit ae9330b641
1 changed files with 4 additions and 3 deletions
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7
lib/dns/catz.c
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@@ -886,9 +886,10 @@ typedef enum {
static bool static bool
catz_opt_cmp(const dns_label_t *option, const char *opt) { catz_opt_cmp(const dns_label_t *option, const char *opt) {
unsigned int l = strlen(opt); size_t len = strlen(opt);
if (option->length - 1 == l &&
memcmp(opt, option->base + 1, l - 1) == 0) { if (option->length - 1 == len &&
memcmp(opt, option->base + 1, len) == 0) {
return (true); return (true);
} else { } else {
return (false); return (false);