git.notmuchmail.org Git - notmuch/blob - util/path-util.c

   1 /*
   2  * SPDX-License-Identifier: GPL-3.0-or-later
   3  */
   4
   5 #define _GNU_SOURCE
   6
   7 #include "path-util.h"
   8
   9 #include <limits.h>
  10 #include <stdlib.h>
  11
  12
  13 char *
  14 notmuch_canonicalize_file_name (const char *path)
  15 {
  16 #if HAVE_CANONICALIZE_FILE_NAME
  17     return canonicalize_file_name (path);
  18 #elif defined(PATH_MAX)
  19     char *resolved_path =  malloc (PATH_MAX + 1);
  20     if (resolved_path == NULL)
  21         return NULL;
  22
  23     return realpath (path, resolved_path);
  24 #else
  25 #error undefined PATH_MAX _and_ missing canonicalize_file_name not supported
  26 #endif
  27 }