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| | /*
* Copyright (C) 2024 olang maintainers
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "proc_exec.h"
#include <assert.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/wait.h>
#include <unistd.h>
void
proc_exec(proc_exec_command_t* command)
{
int fd_link[2];
if (pipe(fd_link) == -1) {
perror("pipe error.");
exit(1);
}
pid_t pid = fork();
if (pid == -1) {
perror("fork error.");
exit(1);
}
if (pid == 0) {
dup2(fd_link[1], STDOUT_FILENO);
close(fd_link[0]);
close(fd_link[1]);
execv(command->path, command->args);
perror("execl error.");
exit(127);
} else {
close(fd_link[1]);
if (read(fd_link[0], command->result.stdout_buf, sizeof(command->result.stdout_buf)) == -1) {
perror("read error.");
exit(1);
}
int status;
waitpid(pid, &status, 0);
command->result.exit_code = WEXITSTATUS(status);
}
}
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