diff options
Diffstat (limited to 'lib/win32/glib-2.20.4/glib/gstdio.c')
| -rw-r--r-- | lib/win32/glib-2.20.4/glib/gstdio.c | 811 |
1 files changed, 0 insertions, 811 deletions
diff --git a/lib/win32/glib-2.20.4/glib/gstdio.c b/lib/win32/glib-2.20.4/glib/gstdio.c deleted file mode 100644 index 4971d9becd..0000000000 --- a/lib/win32/glib-2.20.4/glib/gstdio.c +++ /dev/null @@ -1,811 +0,0 @@ -/* gstdio.c - wrappers for C library functions - * - * Copyright 2004 Tor Lillqvist - * - * GLib is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * GLib is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with GLib; see the file COPYING.LIB. If not, - * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#include "config.h" - -#define G_STDIO_NO_WRAP_ON_UNIX - -#include "glib.h" - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> - -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif - -#ifdef G_OS_WIN32 -#include <windows.h> -#include <errno.h> -#include <wchar.h> -#include <direct.h> -#include <io.h> -#include <sys/utime.h> -#else -#include <utime.h> -#endif - -#include "gstdio.h" - -#include "galias.h" - -#if !defined (G_OS_UNIX) && !defined (G_OS_WIN32) && !defined (G_OS_BEOS) -#error Please port this to your operating system -#endif - - -/** - * g_access: - * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) - * @mode: as in access() - * - * A wrapper for the POSIX access() function. This function is used to - * test a pathname for one or several of read, write or execute - * permissions, or just existence. - * - * On Windows, the file protection mechanism is not at all POSIX-like, - * and the underlying function in the C library only checks the - * FAT-style READONLY attribute, and does not look at the ACL of a - * file at all. This function is this in practise almost useless on - * Windows. Software that needs to handle file permissions on Windows - * more exactly should use the Win32 API. - * - * See your C library manual for more details about access(). - * - * Returns: zero if the pathname refers to an existing file system - * object that has all the tested permissions, or -1 otherwise or on - * error. - * - * Since: 2.8 - */ -int -g_access (const gchar *filename, - int mode) -{ -#ifdef G_OS_WIN32 - wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); - int retval; - int save_errno; - - if (wfilename == NULL) - { - errno = EINVAL; - return -1; - } - -#ifndef X_OK -#define X_OK 1 -#endif - - retval = _waccess (wfilename, mode & ~X_OK); - save_errno = errno; - - g_free (wfilename); - - errno = save_errno; - return retval; -#else - return access (filename, mode); -#endif -} - -/** - * g_chmod: - * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) - * @mode: as in chmod() - * - * A wrapper for the POSIX chmod() function. The chmod() function is - * used to set the permissions of a file system object. - * - * On Windows the file protection mechanism is not at all POSIX-like, - * and the underlying chmod() function in the C library just sets or - * clears the FAT-style READONLY attribute. It does not touch any - * ACL. Software that needs to manage file permissions on Windows - * exactly should use the Win32 API. - * - * See your C library manual for more details about chmod(). - * - * Returns: zero if the operation succeeded, -1 on error. - * - * Since: 2.8 - */ -int -g_chmod (const gchar *filename, - int mode) -{ -#ifdef G_OS_WIN32 - wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); - int retval; - int save_errno; - - if (wfilename == NULL) - { - errno = EINVAL; - return -1; - } - - retval = _wchmod (wfilename, mode); - save_errno = errno; - - g_free (wfilename); - - errno = save_errno; - return retval; -#else - return chmod (filename, mode); -#endif -} -/** - * g_open: - * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) - * @flags: as in open() - * @mode: as in open() - * - * A wrapper for the POSIX open() function. The open() function is - * used to convert a pathname into a file descriptor. - * - * On POSIX systems file descriptors are implemented by the operating - * system. On Windows, it's the C library that implements open() and - * file descriptors. The actual Win32 API for opening files is quite - * different, see MSDN documentation for CreateFile(). The Win32 API - * uses file handles, which are more randomish integers, not small - * integers like file descriptors. - * - * Because file descriptors are specific to the C library on Windows, - * the file descriptor returned by this function makes sense only to - * functions in the same C library. Thus if the GLib-using code uses a - * different C library than GLib does, the file descriptor returned by - * this function cannot be passed to C library functions like write() - * or read(). - * - * See your C library manual for more details about open(). - * - * Returns: a new file descriptor, or -1 if an error occurred. The - * return value can be used exactly like the return value from open(). - * - * Since: 2.6 - */ -int -g_open (const gchar *filename, - int flags, - int mode) -{ -#ifdef G_OS_WIN32 - wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); - int retval; - int save_errno; - - if (wfilename == NULL) - { - errno = EINVAL; - return -1; - } - - retval = _wopen (wfilename, flags, mode); - save_errno = errno; - - g_free (wfilename); - - errno = save_errno; - return retval; -#else - return open (filename, flags, mode); -#endif -} - -/** - * g_creat: - * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) - * @mode: as in creat() - * - * A wrapper for the POSIX creat() function. The creat() function is - * used to convert a pathname into a file descriptor, creating a file - * if necessary. - - * On POSIX systems file descriptors are implemented by the operating - * system. On Windows, it's the C library that implements creat() and - * file descriptors. The actual Windows API for opening files is - * different, see MSDN documentation for CreateFile(). The Win32 API - * uses file handles, which are more randomish integers, not small - * integers like file descriptors. - * - * Because file descriptors are specific to the C library on Windows, - * the file descriptor returned by this function makes sense only to - * functions in the same C library. Thus if the GLib-using code uses a - * different C library than GLib does, the file descriptor returned by - * this function cannot be passed to C library functions like write() - * or read(). - * - * See your C library manual for more details about creat(). - * - * Returns: a new file descriptor, or -1 if an error occurred. The - * return value can be used exactly like the return value from creat(). - * - * Since: 2.8 - */ -int -g_creat (const gchar *filename, - int mode) -{ -#ifdef G_OS_WIN32 - wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); - int retval; - int save_errno; - - if (wfilename == NULL) - { - errno = EINVAL; - return -1; - } - - retval = _wcreat (wfilename, mode); - save_errno = errno; - - g_free (wfilename); - - errno = save_errno; - return retval; -#else - return creat (filename, mode); -#endif -} - -/** - * g_rename: - * @oldfilename: a pathname in the GLib file name encoding (UTF-8 on Windows) - * @newfilename: a pathname in the GLib file name encoding - * - * A wrapper for the POSIX rename() function. The rename() function - * renames a file, moving it between directories if required. - * - * See your C library manual for more details about how rename() works - * on your system. It is not possible in general on Windows to rename - * a file that is open to some process. - * - * Returns: 0 if the renaming succeeded, -1 if an error occurred - * - * Since: 2.6 - */ -int -g_rename (const gchar *oldfilename, - const gchar *newfilename) -{ -#ifdef G_OS_WIN32 - wchar_t *woldfilename = g_utf8_to_utf16 (oldfilename, -1, NULL, NULL, NULL); - wchar_t *wnewfilename; - int retval; - int save_errno = 0; - - if (woldfilename == NULL) - { - errno = EINVAL; - return -1; - } - - wnewfilename = g_utf8_to_utf16 (newfilename, -1, NULL, NULL, NULL); - - if (wnewfilename == NULL) - { - g_free (woldfilename); - errno = EINVAL; - return -1; - } - - if (MoveFileExW (woldfilename, wnewfilename, MOVEFILE_REPLACE_EXISTING)) - retval = 0; - else - { - retval = -1; - switch (GetLastError ()) - { -#define CASE(a,b) case ERROR_##a: save_errno = b; break - CASE (FILE_NOT_FOUND, ENOENT); - CASE (PATH_NOT_FOUND, ENOENT); - CASE (ACCESS_DENIED, EACCES); - CASE (NOT_SAME_DEVICE, EXDEV); - CASE (LOCK_VIOLATION, EACCES); - CASE (SHARING_VIOLATION, EACCES); - CASE (FILE_EXISTS, EEXIST); - CASE (ALREADY_EXISTS, EEXIST); -#undef CASE - default: save_errno = EIO; - } - } - - g_free (woldfilename); - g_free (wnewfilename); - - errno = save_errno; - return retval; -#else - return rename (oldfilename, newfilename); -#endif -} - -/** - * g_mkdir: - * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) - * @mode: permissions to use for the newly created directory - * - * A wrapper for the POSIX mkdir() function. The mkdir() function - * attempts to create a directory with the given name and permissions. - * The mode argument is ignored on Windows. - * - * See your C library manual for more details about mkdir(). - * - * Returns: 0 if the directory was successfully created, -1 if an error - * occurred - * - * Since: 2.6 - */ -int -g_mkdir (const gchar *filename, - int mode) -{ -#ifdef G_OS_WIN32 - wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); - int retval; - int save_errno; - - if (wfilename == NULL) - { - errno = EINVAL; - return -1; - } - - retval = _wmkdir (wfilename); - save_errno = errno; - - g_free (wfilename); - - errno = save_errno; - return retval; -#else - return mkdir (filename, mode); -#endif -} - -/** - * g_chdir: - * @path: a pathname in the GLib file name encoding (UTF-8 on Windows) - * - * A wrapper for the POSIX chdir() function. The function changes the - * current directory of the process to @path. - * - * See your C library manual for more details about chdir(). - * - * Returns: 0 on success, -1 if an error occurred. - * - * Since: 2.8 - */ -int -g_chdir (const gchar *path) -{ -#ifdef G_OS_WIN32 - wchar_t *wpath = g_utf8_to_utf16 (path, -1, NULL, NULL, NULL); - int retval; - int save_errno; - - if (wpath == NULL) - { - errno = EINVAL; - return -1; - } - - retval = _wchdir (wpath); - save_errno = errno; - - g_free (wpath); - - errno = save_errno; - return retval; -#else - return chdir (path); -#endif -} - -/** - * g_stat: - * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) - * @buf: a pointer to a <structname>stat</structname> struct, which - * will be filled with the file information - * - * A wrapper for the POSIX stat() function. The stat() function - * returns information about a file. On Windows the stat() function in - * the C library checks only the FAT-style READONLY attribute and does - * not look at the ACL at all. Thus on Windows the protection bits in - * the st_mode field are a fabrication of little use. - * - * See your C library manual for more details about stat(). - * - * Returns: 0 if the information was successfully retrieved, -1 if an error - * occurred - * - * Since: 2.6 - */ -int -g_stat (const gchar *filename, - struct stat *buf) -{ -#ifdef G_OS_WIN32 - wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); - int retval; - int save_errno; - int len; - - if (wfilename == NULL) - { - errno = EINVAL; - return -1; - } - - len = wcslen (wfilename); - while (len > 0 && G_IS_DIR_SEPARATOR (wfilename[len-1])) - len--; - if (len > 0 && - (!g_path_is_absolute (filename) || len > g_path_skip_root (filename) - filename)) - wfilename[len] = '\0'; - - retval = _wstat (wfilename, (struct _stat *) buf); - save_errno = errno; - - g_free (wfilename); - - errno = save_errno; - return retval; -#else - return stat (filename, buf); -#endif -} - -/** - * g_lstat: - * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) - * @buf: a pointer to a <structname>stat</structname> struct, which - * will be filled with the file information - * - * A wrapper for the POSIX lstat() function. The lstat() function is - * like stat() except that in the case of symbolic links, it returns - * information about the symbolic link itself and not the file that it - * refers to. If the system does not support symbolic links g_lstat() - * is identical to g_stat(). - * - * See your C library manual for more details about lstat(). - * - * Returns: 0 if the information was successfully retrieved, -1 if an error - * occurred - * - * Since: 2.6 - */ -int -g_lstat (const gchar *filename, - struct stat *buf) -{ -#ifdef HAVE_LSTAT - /* This can't be Win32, so don't do the widechar dance. */ - return lstat (filename, buf); -#else - return g_stat (filename, buf); -#endif -} - -/** - * g_unlink: - * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) - * - * A wrapper for the POSIX unlink() function. The unlink() function - * deletes a name from the filesystem. If this was the last link to the - * file and no processes have it opened, the diskspace occupied by the - * file is freed. - * - * See your C library manual for more details about unlink(). Note - * that on Windows, it is in general not possible to delete files that - * are open to some process, or mapped into memory. - * - * Returns: 0 if the name was successfully deleted, -1 if an error - * occurred - * - * Since: 2.6 - */ -int -g_unlink (const gchar *filename) -{ -#ifdef G_OS_WIN32 - wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); - int retval; - int save_errno; - - if (wfilename == NULL) - { - errno = EINVAL; - return -1; - } - - retval = _wunlink (wfilename); - save_errno = errno; - - g_free (wfilename); - - errno = save_errno; - return retval; -#else - return unlink (filename); -#endif -} - -/** - * g_remove: - * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) - * - * A wrapper for the POSIX remove() function. The remove() function - * deletes a name from the filesystem. - * - * See your C library manual for more details about how remove() works - * on your system. On Unix, remove() removes also directories, as it - * calls unlink() for files and rmdir() for directories. On Windows, - * although remove() in the C library only works for files, this - * function tries first remove() and then if that fails rmdir(), and - * thus works for both files and directories. Note however, that on - * Windows, it is in general not possible to remove a file that is - * open to some process, or mapped into memory. - * - * If this function fails on Windows you can't infer too much from the - * errno value. rmdir() is tried regardless of what caused remove() to - * fail. Any errno value set by remove() will be overwritten by that - * set by rmdir(). - * - * Returns: 0 if the file was successfully removed, -1 if an error - * occurred - * - * Since: 2.6 - */ -int -g_remove (const gchar *filename) -{ -#ifdef G_OS_WIN32 - wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); - int retval; - int save_errno; - - if (wfilename == NULL) - { - errno = EINVAL; - return -1; - } - - retval = _wremove (wfilename); - if (retval == -1) - retval = _wrmdir (wfilename); - save_errno = errno; - - g_free (wfilename); - - errno = save_errno; - return retval; -#else - return remove (filename); -#endif -} - -/** - * g_rmdir: - * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) - * - * A wrapper for the POSIX rmdir() function. The rmdir() function - * deletes a directory from the filesystem. - * - * See your C library manual for more details about how rmdir() works - * on your system. - * - * Returns: 0 if the directory was successfully removed, -1 if an error - * occurred - * - * Since: 2.6 - */ -int -g_rmdir (const gchar *filename) -{ -#ifdef G_OS_WIN32 - wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); - int retval; - int save_errno; - - if (wfilename == NULL) - { - errno = EINVAL; - return -1; - } - - retval = _wrmdir (wfilename); - save_errno = errno; - - g_free (wfilename); - - errno = save_errno; - return retval; -#else - return rmdir (filename); -#endif -} - -/** - * g_fopen: - * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) - * @mode: a string describing the mode in which the file should be - * opened - * - * A wrapper for the stdio fopen() function. The fopen() function - * opens a file and associates a new stream with it. - * - * Because file descriptors are specific to the C library on Windows, - * and a file descriptor is partof the <type>FILE</type> struct, the - * <type>FILE</type> pointer returned by this function makes sense - * only to functions in the same C library. Thus if the GLib-using - * code uses a different C library than GLib does, the - * <type>FILE</type> pointer returned by this function cannot be - * passed to C library functions like fprintf() or fread(). - * - * See your C library manual for more details about fopen(). - * - * Returns: A <type>FILE</type> pointer if the file was successfully - * opened, or %NULL if an error occurred - * - * Since: 2.6 - */ -FILE * -g_fopen (const gchar *filename, - const gchar *mode) -{ -#ifdef G_OS_WIN32 - wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); - wchar_t *wmode; - FILE *retval; - int save_errno; - - if (wfilename == NULL) - { - errno = EINVAL; - return NULL; - } - - wmode = g_utf8_to_utf16 (mode, -1, NULL, NULL, NULL); - - if (wmode == NULL) - { - g_free (wfilename); - errno = EINVAL; - return NULL; - } - - retval = _wfopen (wfilename, wmode); - save_errno = errno; - - g_free (wfilename); - g_free (wmode); - - errno = save_errno; - return retval; -#else - return fopen (filename, mode); -#endif -} - -/** - * g_freopen: - * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) - * @mode: a string describing the mode in which the file should be - * opened - * @stream: an existing stream which will be reused, or %NULL - * - * A wrapper for the POSIX freopen() function. The freopen() function - * opens a file and associates it with an existing stream. - * - * See your C library manual for more details about freopen(). - * - * Returns: A <type>FILE</type> pointer if the file was successfully - * opened, or %NULL if an error occurred. - * - * Since: 2.6 - */ -FILE * -g_freopen (const gchar *filename, - const gchar *mode, - FILE *stream) -{ -#ifdef G_OS_WIN32 - wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); - wchar_t *wmode; - FILE *retval; - int save_errno; - - if (wfilename == NULL) - { - errno = EINVAL; - return NULL; - } - - wmode = g_utf8_to_utf16 (mode, -1, NULL, NULL, NULL); - - if (wmode == NULL) - { - g_free (wfilename); - errno = EINVAL; - return NULL; - } - - retval = _wfreopen (wfilename, wmode, stream); - save_errno = errno; - - g_free (wfilename); - g_free (wmode); - - errno = save_errno; - return retval; -#else - return freopen (filename, mode, stream); -#endif -} - -/** - * g_utime: - * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) - * @utb: a pointer to a struct utimbuf. - * - * A wrapper for the POSIX utime() function. The utime() function - * sets the access and modification timestamps of a file. - * - * See your C library manual for more details about how utime() works - * on your system. - * - * Returns: 0 if the operation was successful, -1 if an error - * occurred - * - * Since: 2.18 - */ -int -g_utime (const gchar *filename, - struct utimbuf *utb) -{ -#ifdef G_OS_WIN32 - wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); - int retval; - int save_errno; - - if (wfilename == NULL) - { - errno = EINVAL; - return -1; - } - - retval = _wutime (wfilename, (struct _utimbuf*) utb); - save_errno = errno; - - g_free (wfilename); - - errno = save_errno; - return retval; -#else - return utime (filename, utb); -#endif -} - -#define __G_STDIO_C__ -#include "galiasdef.c" |