src/util/unix/realpath.c

   1 /*
   2  * Copyright (C) the libgit2 contributors. All rights reserved.
   3  *
   4  * This file is part of libgit2, distributed under the GNU GPL v2 with
   5  * a Linking Exception. For full terms see the included COPYING file.
   6  */
   7
   8 #include "git2_util.h"
   9
  10 #ifndef GIT_WIN32
  11
  12 #include <limits.h>
  13 #include <stdlib.h>
  14 #include <fcntl.h>
  15 #include <unistd.h>
  16
  17 char *p_realpath(const char *pathname, char *resolved)
  18 {
  19         char *ret;
  20         if ((ret = realpath(pathname, resolved)) == NULL)
  21                 return NULL;
  22
  23 #ifdef __OpenBSD__
  24         /* The OpenBSD realpath function behaves differently,
  25          * figure out if the file exists */
  26         if (access(ret, F_OK) < 0)
  27                 ret = NULL;
  28 #endif
  29         return ret;
  30 }
  31
  32 #endif