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/*
* Copyright (c) 2020, the SerenityOS developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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;
}
const char* filename = nullptr;
for (int idx = 1; idx < argc; ++idx) {
if (idx == 1) {
if (StringView { argv[idx] } == "-i" || StringView { argv[idx] } == "--ignore-environment") {
clearenv();
continue;
}
}
if (StringView { argv[idx] }.contains('=')) {
putenv(argv[idx]);
} else {
filename = argv[idx];
argv += idx;
break;
}
}
if (filename == nullptr) {
for (auto entry = environ; *entry != nullptr; ++entry)
printf("%s\n", *entry);
return 0;
}
String filepath = Core::find_executable_in_path(filename);
if (filepath.is_null()) {
warnln("no {} in path", filename);
return 1;
}
execv(filepath.characters(), argv);
perror("execv");
return 1;
}
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