main_function.c

#include"strglob.h"

static void show_usage(const char *const anarg) { 
  fprintf(stderr, "usage: %s STRING\n", anarg); 
  
  exit(EX_USAGE); 
}

/*! 
 * Sample of using libstrglob to generate strings based on a glob pattern
 */

int main(int argc, char *argv[]) {
  if(argc < 2) 
    show_usage(*argv);

  const char *restrict anarg = strdup(argv[1]);

  if(!anarg) 
    exit_verbose("strdup", __FILE__, __LINE__);

  const HAND_GLOB *hand = handle_strglob(anarg);

  if(!hand) { 
    fputs("*** Failure!\n", stderr); 
    
    exit(EXIT_FAILURE); 
  }

  char *restrict *restrict strs = copy_strglob(hand);

  if(!strs) {
    fputs("*** Null string array!\n", stderr); 
    
    exit(EXIT_FAILURE);
  } else 
    if(!*strs) { 
      fputs("*** Empty string array!\n", stderr); 
      
      exit(EXIT_FAILURE); 
    }

  fputs_strglob(hand, stdout); 

  exit(EXIT_SUCCESS);
}