GIO file read/write info

fs_sample.c

/* 
 * Build:
 * gcc $(pkg-config --cflags gtk+-3.0) fs_sample.c -o fs_sample $(pkg-config --libs gtk+-3.0)
 */

#include <gtk/gtk.h>

void check(const char *path)
{
  GFile     *file = g_file_new_for_path (path);
  GFileInfo *filesystem_info = g_file_query_filesystem_info (file, "filesystem::*", NULL, NULL);
  GFileInfo *file_info = g_file_query_info (file, "access::*", G_FILE_QUERY_INFO_NONE, NULL, NULL);

  switch (g_file_query_file_type (file, G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS, NULL))
  {
  case G_FILE_TYPE_REGULAR:
    g_print ("%s is a regular file\n", path);
    break;
  case G_FILE_TYPE_DIRECTORY:
    g_print ("%s is a directory\n", path);
    break;
  case G_FILE_TYPE_SYMBOLIC_LINK:
    g_print ("%s is a symlink\n", path);
    break;
  case G_FILE_TYPE_SPECIAL:
    g_print ("%s is a special file\n", path);
    break;
  case G_FILE_TYPE_MOUNTABLE:
    g_print ("%s is a mountable location\n", path);
    break;
  case G_FILE_TYPE_UNKNOWN:
  default:
    g_print ("Unable to detect file type of %s\n", path);
    break;
  }

  gboolean isReadOnly = g_file_info_get_attribute_boolean (filesystem_info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY);
  g_print ("is %s on read only filesystem? %s\n", path, isReadOnly ? "TRUE" : "FALSE");

  gboolean canWrite = g_file_info_get_attribute_boolean (file_info, G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE);
  g_print ("can %s be written? %s\n", path, canWrite ? "TRUE" : "FALSE");

  g_object_unref (filesystem_info);
  g_object_unref (file_info);
  g_object_unref (file);
}

int
main (int argc, char *argv[])
{
  gtk_init (&argc, &argv);

  if (argc <= 1) {
    g_print ("Please pass the path to the file to be checked\n");
    return 1;
  }

  check (argv[1]);

  return 0;
}