Hi all,
I am developing a program using GLib.
When a file is loaded into my program from a removable disc such as a
CD-ROM, USB stick or floppy etc. I need to get the volume label of this
disc from which the file has been loaded.
I am trying to do this using the g_file_find_enclosing_mount() function,
obtaining the volume of the mount and then using
g_volume_get_identifier() to get the label.
While this seems to work OK on Linux, g_file_find_enclosing_mount()
consistently fails under Windows with the error 'Containing mount does
not exist.'
Below is some very rough code to demonstrate what I am trying to do:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include <gio/gio.h>
int main(int argc, char *argv[])
{
GError *gerror = NULL;
GMount *mount = NULL;
GVolume *volume = NULL;
gchar *drive_name = NULL;
gchar filename[256];
GFile *file;
int i = 0;
/* Get a file from the user. */
printf("\nEnter a filename: ");
fgets(filename, sizeof(filename), stdin) ;
i = strlen(filename) - 1;
if ((filename[i] == '\r') || (filename[i] == '\n')) filename[i] = '\0';
/* Init the GType system. */
g_type_init();
/* Now try to get the enclosing mount.*/
file = g_file_new_for_path(filename);
mount = g_file_find_enclosing_mount(file, NULL, &gerror);
if (mount == NULL)
{
printf("\nCould not get the enclosing mount of this file because
of the following error:\n\n%s.\n", gerror->message);
return 1;
}
/* Try to get the volume and then the volume label from the mount. */
volume = g_mount_get_volume(mount);
drive_name = g_volume_get_identifier(volume,
G_VOLUME_IDENTIFIER_KIND_LABEL);
printf("\nThe volume label is %s\n", drive_name);
if (file != NULL) g_object_unref(file);
if (mount != NULL) g_object_unref(mount);
if (drive_name != NULL) g_free(drive_name);
return 0;
}
Is this a bug, am I missing something here or is there another way to do
this?
Regards,
Chris
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