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LibC: Return EINVAL from unsetenv() if input is empty or contains "="

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Tim Ledbetter 2023-06-25 11:48:40 +01:00 • committed by Andreas Kling
parent d3a27eeaf2
commit b9e7998b53
1 changed files with 5 additions and 0 deletions
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5
Userland/Libraries/LibC/stdlib.cpp
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@ -431,6 +431,11 @@ char* secure_getenv(char const* name)
int unsetenv(char const* name)
{
auto new_var_len = strlen(name);
if (new_var_len == 0 || strchr(name, '=')) {
errno = EINVAL;
return -1;
}
size_t environ_size = 0;
int skip = -1;