repeat

~ repeat a command n times
git clone https://github.com/djnnvx/repeat.git
lib.c (678B)
      1 
      2 #include "repeat.h"
      3 
      4 #include <string.h>
      5 
      6 int parse_positive_int(char const *s) {
      7     int n = -1;
      8 
      9     if (!s)
     10         return n;
     11     n = atoi(s);
     12     return (n > 0) ? n : -1;
     13 }
     14 
     15 int execute_command(char **cmd_argv) {
     16     pid_t pid = fork();
     17     if (pid == -1) {
     18         perror("repeat: fork failed");
     19         return -1;
     20     } else if (pid == 0) {
     21         execvp(cmd_argv[0], cmd_argv);
     22         perror("repeat: execvp failed");
     23         _exit(127);
     24     }
     25     int status;
     26     waitpid(pid, &status, 0);
     27     if (WIFEXITED(status))
     28         return WEXITSTATUS(status);
     29     if (WIFSIGNALED(status))
     30         return 128 + WTERMSIG(status);
     31     return -1; /* should never be reached */
     32 }