#include <string.h>

#include "loop_args.h"

int loop_args(char **args, int (*callback)(char *argv, bool isstdin)) {
  if (*args == NULL) {
    return callback(*args, true);
  }

  int stickyErr = 0;

  while (*args != NULL) {
    int res = 0;
    if (!strcmp(*args, "-")) {
      res = callback(*args, true);
    } else {
      res = callback(*args, false);
    }

    if (res > 0) return res;
    else if (res < 0 && stickyErr == 0) stickyErr = -res;

    args++;
  }

  return stickyErr;
}