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LibCore: Add a Core::System wrapper around unsetenv

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Timothy Flynn 2023-11-07 11:11:39 -05:00 • committed by Andreas Kling
parent 2437064820
commit 6655de189f
2 changed files with 14 additions and 0 deletions
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13
Userland/Libraries/LibCore/System.cpp
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@ -1639,6 +1639,19 @@ ErrorOr<void> setenv(StringView name, StringView value, bool overwrite)
return {};
}
ErrorOr<void> unsetenv(StringView name)
{
auto builder = TRY(StringBuilder::create());
TRY(builder.try_append(name));
TRY(builder.try_append('\0'));
// Note the explicit null terminator above.
auto rc = ::unsetenv(builder.string_view().characters_without_null_termination());
if (rc < 0)
return Error::from_errno(errno);
return {};
}
ErrorOr<void> putenv(StringView env)
{
#ifdef AK_OS_SERENITY