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/*
* Copyright (c) 2022 Firebuild Inc.
* All rights reserved.
*
* Free for personal use and commercial trial.
* Non-trial commercial use requires licenses available from https://firebuild.com.
* Modification and redistribution are permitted, but commercial use of derivative
* works is subject to the same requirements of this license
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/* Performs a fork(), execvp() in the child, waitpid() in the parent.
* The command to execute and its parameters are taken from the command line, one by one.
* Returns 0 (unless an error occurred), not the command's exit code. */
#include <stdio.h>
#include <sys/wait.h>
#include <unistd.h>
int main(int argc, char *argv[]) {
if (argc < 2) {
fprintf(stderr, "need at least 1 argument\n");
return 1;
}
pid_t pid = fork();
if (pid < 0) {
perror("fork");
return 1;
}
if (pid == 0) {
/* child */
execvp(argv[1], argv + 1);
perror("execvp");
return 1;
} else {
/* parent */
if (waitpid(pid, NULL, 0) < 0) {
perror("waitpid");
return 1;
}
return 0;
}
}
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