mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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2dd1598c56
Original commit message from CVS: whitespace fixes
295 lines
6.5 KiB
C
295 lines
6.5 KiB
C
/*
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* glib-compat.c
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* Functions copied from glib 2.6 and 2.8
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*
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* Copyright 2005 David Schleef <ds@schleef.org>
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*/
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/* gfileutils.c - File utility functions
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*
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* Copyright 2000 Red Hat, Inc.
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*
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* GLib is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* GLib is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with GLib; see the file COPYING.LIB. If not,
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* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <glib.h>
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#if GLIB_CHECK_VERSION (2, 6, 0)
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#include <glib/gstdio.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include "glib-compat.h"
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#include <sys/stat.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <sys/types.h>
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#if 0
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#ifndef G_OS_WIN32
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#include <sys/wait.h>
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#endif
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#include <fcntl.h>
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#endif
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#ifdef G_OS_WIN32
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#include <windows.h>
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#include <io.h>
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#endif /* G_OS_WIN32 */
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#ifdef G_OS_WIN32
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#define G_DIR_SEPARATOR '\\'
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#define G_DIR_SEPARATOR_S "\\"
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#define G_IS_DIR_SEPARATOR(c) ((c) == G_DIR_SEPARATOR || (c) == '/')
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#define G_SEARCHPATH_SEPARATOR ';'
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#define G_SEARCHPATH_SEPARATOR_S ";"
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#else
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#define G_DIR_SEPARATOR '/'
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#define G_DIR_SEPARATOR_S "/"
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#define G_IS_DIR_SEPARATOR(c) ((c) == G_DIR_SEPARATOR)
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#define G_SEARCHPATH_SEPARATOR ':'
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#define G_SEARCHPATH_SEPARATOR_S ":"
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#endif
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#if !GLIB_CHECK_VERSION (2, 8, 0)
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/**
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* g_mkdir_with_parents:
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* @pathname: a pathname in the GLib file name encoding
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* @mode: permissions to use for newly created directories
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*
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* Create a directory if it doesn't already exist. Create intermediate
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* parent directories as needed, too.
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*
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* Returns: 0 if the directory already exists, or was successfully
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* created. Returns -1 if an error occurred, with errno set.
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*
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* Since: 2.8
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*/
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int
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g_mkdir_with_parents (const gchar * pathname, int mode)
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{
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gchar *fn, *p;
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if (pathname == NULL || *pathname == '\0') {
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errno = EINVAL;
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return -1;
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}
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fn = g_strdup (pathname);
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if (g_path_is_absolute (fn))
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p = (gchar *) g_path_skip_root (fn);
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else
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p = fn;
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do {
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while (*p && !G_IS_DIR_SEPARATOR (*p))
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p++;
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if (!*p)
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p = NULL;
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else
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*p = '\0';
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if (!g_file_test (fn, G_FILE_TEST_EXISTS)) {
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if (g_mkdir (fn, mode) == -1) {
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int errno_save = errno;
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g_free (fn);
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errno = errno_save;
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return -1;
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}
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} else if (!g_file_test (fn, G_FILE_TEST_IS_DIR)) {
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g_free (fn);
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errno = ENOTDIR;
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return -1;
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}
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if (p) {
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*p++ = G_DIR_SEPARATOR;
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while (*p && G_IS_DIR_SEPARATOR (*p))
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p++;
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}
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}
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while (p);
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g_free (fn);
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return 0;
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}
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#endif
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#if !GLIB_CHECK_VERSION (2, 6, 0)
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/**
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* g_mkdir:
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* @filename: a pathname in the GLib file name encoding (UTF-8 on Windows)
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* @mode: permissions to use for the newly created directory
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*
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* A wrapper for the POSIX mkdir() function. The mkdir() function
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* attempts to create a directory with the given name and permissions.
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*
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* See the C library manual for more details about mkdir().
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*
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* Returns: 0 if the directory was successfully created, -1 if an error
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* occurred
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*
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* Since: 2.6
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*/
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int
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g_mkdir (const gchar * filename, int mode)
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{
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#ifdef G_OS_WIN32
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if (G_WIN32_HAVE_WIDECHAR_API ()) {
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wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL);
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int retval;
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int save_errno;
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if (wfilename == NULL) {
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errno = EINVAL;
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return -1;
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}
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retval = _wmkdir (wfilename);
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save_errno = errno;
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g_free (wfilename);
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errno = save_errno;
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return retval;
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} else {
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gchar *cp_filename = g_locale_from_utf8 (filename, -1, NULL, NULL, NULL);
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int retval;
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int save_errno;
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if (cp_filename == NULL) {
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errno = EINVAL;
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return -1;
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}
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retval = mkdir (cp_filename);
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save_errno = errno;
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g_free (cp_filename);
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errno = save_errno;
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return retval;
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}
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#else
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return mkdir (filename, mode);
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#endif
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}
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#endif
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#if !GLIB_CHECK_VERSION (2, 6, 0)
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/**
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* g_stat:
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* @filename: a pathname in the GLib file name encoding (UTF-8 on Windows)
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* @buf: a pointer to a <structname>stat</structname> struct, which
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* will be filled with the file information
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*
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* A wrapper for the POSIX stat() function. The stat() function
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* returns information about a file.
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*
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* See the C library manual for more details about stat().
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*
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* Returns: 0 if the information was successfully retrieved, -1 if an error
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* occurred
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*
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* Since: 2.6
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*/
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int
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g_stat (const gchar * filename, struct stat *buf)
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{
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#ifdef G_OS_WIN32
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if (G_WIN32_HAVE_WIDECHAR_API ()) {
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wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL);
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int retval;
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int save_errno;
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if (wfilename == NULL) {
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errno = EINVAL;
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return -1;
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}
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retval = _wstat (wfilename, (struct _stat *) buf);
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save_errno = errno;
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g_free (wfilename);
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errno = save_errno;
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return retval;
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} else {
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gchar *cp_filename = g_locale_from_utf8 (filename, -1, NULL, NULL, NULL);
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int retval;
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int save_errno;
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if (cp_filename == NULL) {
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errno = EINVAL;
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return -1;
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}
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retval = stat (cp_filename, buf);
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save_errno = errno;
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g_free (cp_filename);
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errno = save_errno;
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return retval;
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}
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#else
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return stat (filename, buf);
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#endif
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}
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#endif
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/* This version is copied from GLib 2.8.
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* In GLib 2.6, it didn't check for a flag value being NULL, hence it
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* hits an infinite loop in our flags serialize function
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*/
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GFlagsValue *
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gst_flags_get_first_value (GFlagsClass * flags_class, guint value)
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{
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g_return_val_if_fail (G_IS_FLAGS_CLASS (flags_class), NULL);
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if (flags_class->n_values) {
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GFlagsValue *flags_value;
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if (value == 0) {
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for (flags_value = flags_class->values; flags_value->value_name;
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flags_value++)
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if (flags_value->value == 0)
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return flags_value;
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} else {
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for (flags_value = flags_class->values; flags_value->value_name;
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flags_value++)
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if (flags_value->value != 0
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&& (flags_value->value & value) == flags_value->value)
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return flags_value;
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}
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}
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return NULL;
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}
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