posix/globfree.c

   1 /* Frees the dynamically allocated storage from an earlier call to glob.
   2    Copyright (C) 2017-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _LIBC
  20 # include <libc-config.h>
  21 #endif
  22
  23 #include <glob.h>
  24 #include <stdlib.h>
  25
  26 /* Free storage allocated in PGLOB by a previous `glob' call.  */
  27 void
  28 globfree (glob_t *pglob)
  29 {
  30   if (pglob->gl_pathv != NULL)
  31     {
  32       size_t i;
  33       for (i = 0; i < pglob->gl_pathc; ++i)
  34         free (pglob->gl_pathv[pglob->gl_offs + i]);
  35       free (pglob->gl_pathv);
  36       pglob->gl_pathv = NULL;
  37     }
  38 }
  39 #ifndef globfree
  40 libc_hidden_def (globfree)
  41 #endif