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LibCore: Use Core::Environment instead of manually iterating environ

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Sam Atkins 2024-01-30 16:38:56 +00:00 • committed by Sam Atkins
parent 56b8e248a5
commit 97cb9cf469
1 changed files with 8 additions and 13 deletions
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21
Userland/Libraries/LibCore/System.cpp
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@ -15,6 +15,7 @@
#include <AK/String.h>
#include <AK/Vector.h>
#include <Kernel/API/BeepInstruction.h>
#include <LibCore/Environment.h>
#include <LibCore/SessionManagement.h>
#include <LibCore/System.h>
#include <limits.h>
@ -1273,18 +1274,12 @@ ErrorOr<void> adjtime(const struct timeval* delta, struct timeval* old_delta)
ErrorOr<void> exec_command(Vector<StringView>& command, bool preserve_env)
{
Vector<StringView> exec_environment;
for (size_t i = 0; environ[i]; ++i) {
StringView env_view { environ[i], strlen(environ[i]) };
auto maybe_needle = env_view.find('=');
if (!maybe_needle.has_value())
continue;
for (auto entry : Environment::entries()) {
// FIXME: Allow a custom selection of variables once ArgsParser supports options with optional parameters.
if (!preserve_env && env_view.substring_view(0, maybe_needle.value()) != "TERM"sv)
if (!preserve_env && entry.name != "TERM"sv)
continue;
exec_environment.append(env_view);
exec_environment.append(entry.full_entry);
}
TRY(Core::System::exec(command.at(0), command, Core::System::SearchInPath::Yes, exec_environment));
@ -1322,8 +1317,7 @@ ErrorOr<void> exec(StringView filename, ReadonlySpan<StringView> arguments, Sear
if (environment.has_value()) {
env_count = environment->size();
} else {
for (size_t i = 0; environ[i]; ++i)
++env_count;
env_count = Core::Environment::size();
}
auto environment_strings = TRY(FixedArray<Syscall::StringArgument>::create(env_count));
@ -1332,8 +1326,9 @@ ErrorOr<void> exec(StringView filename, ReadonlySpan<StringView> arguments, Sear
environment_strings[i] = { environment->at(i).characters_without_null_termination(), environment->at(i).length() };
}
} else {
for (size_t i = 0; i < env_count; ++i) {
environment_strings[i] = { environ[i], strlen(environ[i]) };
size_t i = 0;
for (auto entry : Core::Environment::entries()) {
environment_strings[i++] = { entry.full_entry.characters_without_null_termination(), entry.full_entry.length() };
}
}
params.environment.strings = environment_strings.data();