Function Pointer Demo simplified
It makes more sense to show the basic usage of fps
committer: Markus Bröker <mbroeker@largo.homelinux.org>
/**
* fts.c
* Copyright (C) 2008 Markus Broeker
*
* file hierarchy browser
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fts.h>
#include <errno.h>
int compare (const FTSENT ** a, const FTSENT ** b)
{
return 0;
}
int main (int argc, char **argv)
{
FTS *fts;
FTSENT *current = NULL;
char **paths;
int i;
if (argc < 2) {
printf ("Usage: %s [dir]...\n", argv[0]);
return EXIT_FAILURE;
}
if ((paths = calloc (argc + 1, sizeof (char *))) == NULL) {
perror ("CALLOC");
return EXIT_FAILURE;
}
for (i = 1; i < argc; i++) {
paths[i - 1] = argv[i];
}
paths[i] = NULL;
if ((fts = fts_open (paths, FTS_NOSTAT, &compare)) == NULL) {
perror ("fts_open");
return EXIT_FAILURE;
}
while ((current = fts_read (fts)) != NULL) {
if (!errno)
printf ("%s/%s\n", current->fts_path, current->fts_name);
}
if (fts_close (fts) < 0)
perror ("fts_close");
if (paths != NULL)
free (paths);
return EXIT_SUCCESS;
}