46 lines
782 B
C
46 lines
782 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <err.h>
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int execute_me(char *cmd, char **argv){
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if (!cmd || !argv || !*argv) return 1;
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int wstatus;
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pid_t pid = fork();
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if (pid < 0) return -1;
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// Child
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else if (pid == 0) {
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if (cmd != *argv) exit(-1);
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else exit(execvp(cmd, argv));
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}
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// Daddy
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else {
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if(waitpid(pid, &wstatus, 0) == -1) return -1;
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if(WIFEXITED(wstatus)) return WEXITSTATUS(wstatus);
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return 0;
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}
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}
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/*
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int main(){
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char *argv[] = {"ls", "-l", NULL};
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int r1 = execute_me("ls", argv);
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printf("%d\n", r1);
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int r2 = execute_me("wrong", argv);
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printf("%d\n", r2);
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}*/
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