gerror: Add an utility function to get the GIO Error from GFileError

When GIO functions are using GLib file utils functions we expect to
return a GIO Error, so provide a way to map such error values.
This commit is contained in:
Marco Trevisan (Treviño) 2022-06-14 19:45:53 +02:00
parent e5841beba6
commit b64fd312da
4 changed files with 133 additions and 0 deletions

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@ -1373,6 +1373,7 @@ g_io_scheduler_job_send_to_mainloop_async
G_IO_ERROR
GIOErrorEnum
g_io_error_from_errno
g_io_error_from_file_error
g_io_error_from_win32_error
<SUBSECTION Standard>
G_TYPE_IO_ERROR_ENUM

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@ -1,6 +1,7 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
* Copyright (C) 2022 Canonical Ltd.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
@ -18,6 +19,7 @@
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Alexander Larsson <alexl@redhat.com>
* Author: Marco Trevisan <marco.trevisan@canonical.com>
*/
#include "config.h"
@ -345,6 +347,70 @@ g_io_error_from_errno (gint err_no)
}
}
/**
* g_io_error_from_file_error:
* @file_error: a #GFileError.
*
* Converts #GFileError error codes into GIO error codes.
*
* Returns: #GIOErrorEnum value for the given #GFileError error value.
*
* Since: 2.74
**/
GIOErrorEnum
g_io_error_from_file_error (GFileError file_error)
{
switch (file_error)
{
case G_FILE_ERROR_EXIST:
return G_IO_ERROR_EXISTS;
case G_FILE_ERROR_ISDIR:
return G_IO_ERROR_IS_DIRECTORY;
case G_FILE_ERROR_ACCES:
return G_IO_ERROR_PERMISSION_DENIED;
case G_FILE_ERROR_NAMETOOLONG:
return G_IO_ERROR_FILENAME_TOO_LONG;
case G_FILE_ERROR_NOENT:
return G_IO_ERROR_NOT_FOUND;
case G_FILE_ERROR_NOTDIR:
return G_IO_ERROR_NOT_DIRECTORY;
case G_FILE_ERROR_NXIO:
return G_IO_ERROR_NOT_REGULAR_FILE;
case G_FILE_ERROR_NODEV:
return G_IO_ERROR_NO_SUCH_DEVICE;
case G_FILE_ERROR_ROFS:
return G_IO_ERROR_READ_ONLY;
case G_FILE_ERROR_TXTBSY:
return G_IO_ERROR_BUSY;
case G_FILE_ERROR_LOOP:
return G_IO_ERROR_TOO_MANY_LINKS;
case G_FILE_ERROR_NOSPC:
case G_FILE_ERROR_NOMEM:
return G_IO_ERROR_NO_SPACE;
case G_FILE_ERROR_MFILE:
case G_FILE_ERROR_NFILE:
return G_IO_ERROR_TOO_MANY_OPEN_FILES;
case G_FILE_ERROR_INVAL:
return G_IO_ERROR_INVALID_ARGUMENT;
case G_FILE_ERROR_PIPE:
return G_IO_ERROR_BROKEN_PIPE;
case G_FILE_ERROR_AGAIN:
return G_IO_ERROR_WOULD_BLOCK;
case G_FILE_ERROR_PERM:
return G_IO_ERROR_PERMISSION_DENIED;
case G_FILE_ERROR_NOSYS:
return G_IO_ERROR_NOT_SUPPORTED;
case G_FILE_ERROR_BADF:
case G_FILE_ERROR_FAILED:
case G_FILE_ERROR_FAULT:
case G_FILE_ERROR_INTR:
case G_FILE_ERROR_IO:
return G_IO_ERROR_FAILED;
default:
g_return_val_if_reached (G_IO_ERROR_FAILED);
}
}
#ifdef G_OS_WIN32
/**

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@ -29,6 +29,7 @@
#include <glib.h>
#include <gio/gioenums.h>
#include <glib/gfileutils.h>
G_BEGIN_DECLS
@ -44,6 +45,8 @@ GLIB_AVAILABLE_IN_ALL
GQuark g_io_error_quark (void);
GLIB_AVAILABLE_IN_ALL
GIOErrorEnum g_io_error_from_errno (gint err_no);
GLIB_AVAILABLE_IN_2_74
GIOErrorEnum g_io_error_from_file_error (GFileError file_error);
#ifdef G_OS_WIN32
GLIB_AVAILABLE_IN_ALL

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@ -706,6 +706,68 @@ test_error_from_errno (void)
#endif
}
static void
test_error_from_file_error (void)
{
g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
"*should not be reached*");
g_assert_cmpuint (g_io_error_from_file_error (-1), ==,
G_IO_ERROR_FAILED);
g_test_assert_expected_messages ();
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_EXIST), ==,
G_IO_ERROR_EXISTS);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_ISDIR), ==,
G_IO_ERROR_IS_DIRECTORY);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_ACCES), ==,
G_IO_ERROR_PERMISSION_DENIED);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_NAMETOOLONG), ==,
G_IO_ERROR_FILENAME_TOO_LONG);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_NOENT), ==,
G_IO_ERROR_NOT_FOUND);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_NOTDIR), ==,
G_IO_ERROR_NOT_DIRECTORY);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_NXIO), ==,
G_IO_ERROR_NOT_REGULAR_FILE);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_NODEV), ==,
G_IO_ERROR_NO_SUCH_DEVICE);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_ROFS), ==,
G_IO_ERROR_READ_ONLY);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_TXTBSY), ==,
G_IO_ERROR_BUSY);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_LOOP), ==,
G_IO_ERROR_TOO_MANY_LINKS);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_NOSPC), ==,
G_IO_ERROR_NO_SPACE);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_NOMEM), ==,
G_IO_ERROR_NO_SPACE);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_MFILE), ==,
G_IO_ERROR_TOO_MANY_OPEN_FILES);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_NFILE), ==,
G_IO_ERROR_TOO_MANY_OPEN_FILES);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_INVAL), ==,
G_IO_ERROR_INVALID_ARGUMENT);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_PIPE), ==,
G_IO_ERROR_BROKEN_PIPE);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_AGAIN), ==,
G_IO_ERROR_WOULD_BLOCK);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_PERM), ==,
G_IO_ERROR_PERMISSION_DENIED);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_NOSYS), ==,
G_IO_ERROR_NOT_SUPPORTED);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_BADF), ==,
G_IO_ERROR_FAILED);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_FAILED), ==,
G_IO_ERROR_FAILED);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_FAULT), ==,
G_IO_ERROR_FAILED);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_INTR), ==,
G_IO_ERROR_FAILED);
g_assert_cmpuint (g_io_error_from_file_error (G_FILE_ERROR_IO), ==,
G_IO_ERROR_FAILED);
}
static void
test_error_from_win32_error (void)
{
@ -787,6 +849,7 @@ main (int argc,
g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
g_test_add_func ("/error/from-errno", test_error_from_errno);
g_test_add_func ("/error/from-file-error", test_error_from_file_error);
g_test_add_func ("/error/from-win32-error", test_error_from_win32_error);
return g_test_run ();