RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 11:48:10 +00:00
Code Issues Activity Actions

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

Browse source
This commit is contained in:
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
Download patch file Download diff file Expand all files Collapse all files

5
Userland/Libraries/LibC/stdlib.cpp
View file

@ -431,6 +431,11 @@ char* secure_getenv(char const* name)
int unsetenv(char const* name) int unsetenv(char const* name)
{ {
auto new_var_len = strlen(name); auto new_var_len = strlen(name);
if (new_var_len == 0 || strchr(name, '=')) {
errno = EINVAL;
return -1;
}
size_t environ_size = 0; size_t environ_size = 0;
int skip = -1; int skip = -1;