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/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/ArgsParser.h>
#include <LibCore/DirIterator.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int main(int argc, char** argv)
{
if (pledge("stdio rpath exec", nullptr) < 0) {
perror("pledge");
return 1;
}
bool ignore_env = false;
const char* split_string = nullptr;
Vector<const char*> values;
Core::ArgsParser args_parser;
args_parser.set_stop_on_first_non_option(true);
args_parser.add_option(ignore_env, "Start with an empty environment", "ignore-environment", 'i');
args_parser.add_option(split_string, "Process and split S into separate arguments; used to pass multiple arguments on shebang lines", "split-string", 'S', "S");
args_parser.add_positional_argument(values, "Environment and commands", "env/command", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv);
if (ignore_env)
clearenv();
size_t argv_start;
for (argv_start = 0; argv_start < values.size(); ++argv_start) {
if (StringView { values[argv_start] }.contains('=')) {
putenv(const_cast<char*>(values[argv_start]));
} else {
break;
}
}
Vector<String> split_string_storage;
Vector<const char*> new_argv;
if (split_string) {
for (auto view : StringView(split_string).split_view(' ')) {
split_string_storage.append(view);
}
for (auto& str : split_string_storage) {
new_argv.append(str.characters());
}
}
for (size_t i = argv_start; i < values.size(); ++i) {
new_argv.append(values[i]);
}
if (new_argv.size() == 0) {
for (auto entry = environ; *entry != nullptr; ++entry)
outln("{}", *entry);
return 0;
}
new_argv.append(nullptr);
const char* executable = new_argv[0];
char* const* new_argv_ptr = const_cast<char* const*>(&new_argv[0]);
execvp(executable, new_argv_ptr);
perror("execvp");
return 1;
}
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