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GLocalFile: support trashing long file name

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When the file name is too long (for example, more than 238 bytes on
ext4), this will cause the creation of the .trashinfo file to fail.
Let's shorten the .trashinfo filename in this case, after all the
trash specification only requires unique filenames (see
`Contents of a trash directory` section in
https://specifications.freedesktop.org/trash-spec/trashspec-latest.html).
This commit is contained in:
rong wang
2023-11-06 14:40:51 +08:00
committed by Philip Withnall
parent fd4b61d8fb
commit 478127e074
2 changed files with 145 additions and 17 deletions
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75
gio/tests/trash.c
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@@ -26,6 +26,7 @@
#include <glib/gstdio.h>
#include <gio/gio.h>
#include <gio/gunixmounts.h>
#include <fcntl.h>
/* Test that g_file_trash() returns G_IO_ERROR_NOT_SUPPORTED for files on system mounts. */
static void
@@ -188,6 +189,79 @@ test_trash_symlinks (void)
g_free (target);
}
/* Test that long filename are handled correctly */
static void
test_trash_long_filename (void)
{
const gchar *long_filename = "test_trash_long_filename_aaaaaaaaaaaaaaaaaaaaaaaaa" \
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
"aaaaa"; /* 255 bytes */
gchar *filepath;
int fd;
GFile *file;
GError *error = NULL;
/* The test assumes that test file is located on ext fs. */
filepath = g_build_filename (g_get_home_dir (), long_filename, NULL);
fd = g_open (filepath, O_CREAT | O_RDONLY, 0666);
if (fd == -1)
{
g_test_skip ("Failed to create test file");
g_free (filepath);
return;
}
(void) g_close (fd, NULL);
file = g_file_new_for_path (filepath);
g_file_trash (file, NULL, &error);
g_unlink (filepath);
g_assert_no_error (error);
/* Delete trashed version of test file */
{
GFileEnumerator *enumerator;
GFile *trash;
trash = g_file_new_for_uri ("trash:///");
enumerator = g_file_enumerate_children (trash,
G_FILE_ATTRIBUTE_STANDARD_NAME ","
G_FILE_ATTRIBUTE_TRASH_ORIG_PATH,
G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
NULL, NULL);
if (enumerator)
{
GFileInfo *info;
while ((info = g_file_enumerator_next_file (enumerator, NULL, NULL)) != NULL)
{
const char *origpath = g_file_info_get_attribute_byte_string (info, G_FILE_ATTRIBUTE_TRASH_ORIG_PATH);
if (strcmp (filepath, origpath) == 0)
{
GFile *item = g_file_get_child (trash, g_file_info_get_name (info));
g_file_delete (item, NULL, NULL);
g_object_unref (item);
g_object_unref (info);
break;
}
g_object_unref (info);
}
g_file_enumerator_close (enumerator, NULL, NULL);
g_object_unref (enumerator);
}
g_object_unref (trash);
}
g_free (filepath);
g_object_unref (file);
g_clear_error (&error);
}
int
main (int argc, char *argv[])
{
@@ -195,6 +269,7 @@ main (int argc, char *argv[])
g_test_add_func ("/trash/not-supported", test_trash_not_supported);
g_test_add_func ("/trash/symlinks", test_trash_symlinks);
g_test_add_func ("/trash/long-filename", test_trash_long_filename);
return g_test_run ();
}