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/* file_util.h
* File utility definitions
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __FILE_UTIL_H__
#define __FILE_UTIL_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <glib.h>
#ifdef _WIN32
#include <io.h>
#include <gmodule.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
/* Win32: Since GLib2.6, we use UTF8 throughout the code, so file functions
* must tweak a given filename from UTF8 to UTF16 as we use NT Unicode (Win9x
* - now unsupported - used locale based encoding here).
*/
#if defined _WIN32 && GLIB_CHECK_VERSION(2,6,0)
#include <stdio.h>
extern int ws_stdio_open (const gchar *filename, int flags, int mode);
extern int ws_stdio_rename (const gchar *oldfilename, const gchar *newfilename);
extern int ws_stdio_mkdir (const gchar *filename, int mode);
extern int ws_stdio_stat (const gchar *filename, struct stat *buf);
extern int ws_stdio_unlink (const gchar *filename);
extern int ws_stdio_remove (const gchar *filename);
extern FILE * ws_stdio_fopen (const gchar *filename, const gchar *mode);
extern FILE * ws_stdio_freopen (const gchar *filename, const gchar *mode, FILE *stream);
#define ws_open ws_stdio_open
#define ws_rename ws_stdio_rename
#define ws_mkdir ws_stdio_mkdir
#define ws_stat ws_stdio_stat
#define ws_unlink ws_stdio_unlink
#define ws_remove ws_stdio_remove
#define ws_fopen ws_stdio_fopen
#define ws_freopen ws_stdio_freopen
#else /* _WIN32 && GLIB_CHECK_VERSION */
/* "Not Windows" or GLib < 2.6: use "old school" functions */
#ifdef _WIN32
#define ws_open _open
#define ws_stat _stat
#define ws_unlink _unlink
#define ws_mkdir(dir,mode) _mkdir(dir)
#else
#define ws_open open
#define ws_stat stat
#define ws_unlink unlink
#define ws_mkdir(dir,mode) mkdir(dir,mode)
#endif /* _WIN32 */
#define ws_rename rename
#define ws_remove remove
#define ws_fopen fopen
#define ws_freopen freopen
#endif /* _WIN32 && GLIB_CHECK_VERSION */
/* some common file function differences between UNIX and WIN32 */
#ifdef _WIN32
/* the Win32 API prepends underscores for whatever reasons */
#define ws_read _read
#define ws_write _write
#define ws_close _close
#define ws_dup _dup
#define ws_lseek _lseek
/* DLL loading */
/** Try to remove the current directory from the DLL search path.
* SetDllDirectory is tried, then SetCurrentDirectory(program_dir)
*
* @return TRUE if we were able to call SetDllDirectory, FALSE otherwise.
*/
gboolean ws_init_dll_search_path();
/** Load a DLL using LoadLibrary.
* Only the system and program directories are searched.
*
* @param library_name The name of the DLL.
* @return A handle to the DLL if found, NULL on failure.
*/
void *ws_load_library(gchar *library_name);
/** Load a DLL using g_module_open.
* Only the system and program directories are searched.
*
* @param module_name The name of the DLL.
* @param flags Flags to be passed to g_module_open.
* @return A handle to the DLL if found, NULL on failure.
*/
GModule *ws_module_open(gchar *module_name, GModuleFlags flags);
/*
* utf8 version of getenv, needed to get win32 filename paths
*/
extern char *getenv_utf8(const char *varname);
#else /* _WIN32 */
#define ws_read read
#define ws_write write
#define ws_close close
#define ws_dup dup
#define ws_lseek lseek
#define O_BINARY 0 /* Win32 needs the O_BINARY flag for open() */
#endif /* _WIN32 */
/* directory handling */
#define WS_DIR GDir
#define WS_DIRENT const char
#define ws_dir_open g_dir_open
#define ws_dir_read_name g_dir_read_name
#define ws_dir_get_name(dirent) dirent
#define ws_dir_rewind g_dir_rewind
#define ws_dir_close g_dir_close
/* XXX - remove include "dirent.h" */
/* XXX - remove include "direct.h" */
/* XXX - remove include "sys/stat.h" */
/* XXX - update docs (e.g. README.developer) */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __FILE_UTIL_H__ */
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