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put a bound on the environment search

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daan 2020-05-05 20:19:20 -07:00
parent 45974efdb7
commit 4f020e5da4
1 changed files with 3 additions and 3 deletions
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6
src/options.c
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@ -439,9 +439,9 @@ static bool mi_getenv(const char* name, char* result, size_t result_size) {
if (len == 0) return false; if (len == 0) return false;
char** env = mi_get_environ(); char** env = mi_get_environ();
if (env == NULL) return false; if (env == NULL) return false;
// compare all entries // compare up to 256 entries
for (; *env != NULL; env++) { for (int i = 0; i < 256 && env[i] != NULL; i++) {
const char* s = *env; const char* s = env[i];
if (mi_strnicmp(name, s, len) == 0 && s[len] == '=') { // case insensitive if (mi_strnicmp(name, s, len) == 0 && s[len] == '=') { // case insensitive
// found it // found it
mi_strlcpy(result, s + len + 1, result_size); mi_strlcpy(result, s + len + 1, result_size);