eglib/src/gfile-unix.c

   1 /*
   2  * File utility functions.
   3  *
   4  * Author:
   5  *   Gonzalo Paniagua Javier (gonzalo@novell.com)
   6  *
   7  * (C) 2006 Novell, Inc.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining
  10  * a copy of this software and associated documentation files (the
  11  * "Software"), to deal in the Software without restriction, including
  12  * without limitation the rights to use, copy, modify, merge, publish,
  13  * distribute, sublicense, and/or sell copies of the Software, and to
  14  * permit persons to whom the Software is furnished to do so, subject to
  15  * the following conditions:
  16  *
  17  * The above copyright notice and this permission notice shall be
  18  * included in all copies or substantial portions of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27  */
  28 #include <config.h>
  29 #include <glib.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <errno.h>
  33 #include <sys/types.h>
  34 #include <sys/stat.h>
  35 #include <fcntl.h>
  36 #include <sys/types.h>
  37 #include <sys/stat.h>
  38
  39 #ifdef HAVE_UNISTD_H
  40 #include <unistd.h>
  41 #endif
  42
  43 gboolean
  44 g_file_test (const gchar *filename, GFileTest test)
  45 {
  46         struct stat st;
  47         gboolean have_stat;
  48
  49         if (filename == NULL || test == 0)
  50                 return FALSE;
  51
  52         have_stat = FALSE;
  53
  54         if ((test & G_FILE_TEST_EXISTS) != 0) {
  55                 if (access (filename, F_OK) == 0)
  56                         return TRUE;
  57         }
  58
  59         if ((test & G_FILE_TEST_IS_EXECUTABLE) != 0) {
  60                 if (access (filename, X_OK) == 0)
  61                         return TRUE;
  62         }
  63         if ((test & G_FILE_TEST_IS_SYMLINK) != 0) {
  64                 have_stat = (lstat (filename, &st) == 0);
  65                 if (have_stat && S_ISLNK (st.st_mode))
  66                         return TRUE;
  67         }
  68
  69         if ((test & G_FILE_TEST_IS_REGULAR) != 0) {
  70                 if (!have_stat)
  71                         have_stat = (stat (filename, &st) == 0);
  72                 if (have_stat && S_ISREG (st.st_mode))
  73                         return TRUE;
  74         }
  75         if ((test & G_FILE_TEST_IS_DIR) != 0) {
  76                 if (!have_stat)
  77                         have_stat = (stat (filename, &st) == 0);
  78                 if (have_stat && S_ISDIR (st.st_mode))
  79                         return TRUE;
  80         }
  81         return FALSE;
  82 }
  83
  84