newlib/libc/posix/wordfree.c

   1 /* Copyright (C) 2002 by  Red Hat, Incorporated. All rights reserved.
   2  *
   3  * Permission to use, copy, modify, and distribute this software
   4  * is freely granted, provided that this notice is preserved.
   5  */
   6
   7 #ifndef _NO_WORDEXP
   8
   9 #include <sys/param.h>
  10 #include <sys/stat.h>
  11
  12 #include <ctype.h>
  13 #include <dirent.h>
  14 #include <errno.h>
  15 #include <glob.h>
  16 #include <pwd.h>
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <string.h>
  20 #include <unistd.h>
  21 #include <sys/queue.h>
  22
  23 #include <wordexp.h>
  24 #include "wordexp2.h"
  25
  26 void
  27 wordfree(wordexp_t *pwordexp)
  28 {
  29   ext_wordv_t *wordv;
  30
  31   if (pwordexp == NULL)
  32     return;
  33
  34   if (pwordexp->we_wordv == NULL)
  35     return;
  36
  37   wordv = WE_WORDV_TO_EXT_WORDV(pwordexp->we_wordv);
  38   while (!SLIST_EMPTY(&wordv->list)) {
  39     struct ewords_entry *entry = SLIST_FIRST(&wordv->list);
  40     SLIST_REMOVE_HEAD(&wordv->list, next);
  41     free(entry);
  42   }
  43
  44   free(wordv);
  45   pwordexp->we_wordv = NULL;
  46 }
  47
  48 #endif /* !_NO_WORDEXP  */