/* compat.h: various compatibility bits
Copyright (c) 2003-2012 Philip Kendall
Copyright (c) 2015 Stuart Brady
Copyright (c) 2015 Sergio Baldoví
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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Author contact information:
E-mail: philip-fuse@shadowmagic.org.uk
*/
#ifndef FUSE_COMPAT_H
#define FUSE_COMPAT_H
#include <stdio.h>
#include <dirent.h>
#include <stdlib.h>
#include <sys/types.h>
/* Remove the gcc-specific incantations if we're not using gcc */
#ifdef __GNUC__
#define GCC_UNUSED __attribute__ ((unused))
#define GCC_PRINTF( fmtstring, args ) __attribute__ ((format( printf, fmtstring, args )))
#define GCC_NORETURN __attribute__ ((noreturn))
#else /* #ifdef __GNUC__ */
#define GCC_UNUSED
#define GCC_PRINTF( fmtstring, args )
#define GCC_NORETURN
#endif /* #ifdef __GNUC__ */
#if defined(__GNUC__) && defined(__GNUC_MINOR__)
#define GNUC_VERSION \
(__GNUC__ << 16) + __GNUC_MINOR__
#define GNUC_PREREQ(maj, min) \
(GNUC_VERSION >= ((maj) << 16) + (min))
#else
#define GNUC_PREREQ(maj, min) 0
#endif
#define BUILD_BUG_ON_ZERO(e) \
(sizeof(struct { int:-!!(e) * 1234; }))
#if !GNUC_PREREQ(3, 1) || defined( __STRICT_ANSI__ )
#define MUST_BE_ARRAY(a) \
BUILD_BUG_ON_ZERO(sizeof(a) % sizeof(*a))
#else
#define SAME_TYPE(a, b) \
__builtin_types_compatible_p(typeof(a), typeof(b))
#define MUST_BE_ARRAY(a) \
BUILD_BUG_ON_ZERO(SAME_TYPE((a), &(*a)))
#endif
#define ARRAY_SIZE(a) ( \
(sizeof(a) / sizeof(*a)) \
+ MUST_BE_ARRAY(a))
#ifndef HAVE_DIRNAME
char *dirname( char *path );
#endif /* #ifndef HAVE_DIRNAME */
#if !defined HAVE_GETOPT_LONG && !defined AMIGA && !defined __MORPHOS__
#include "compat/getopt.h"
#endif /* #ifndef HAVE_GETOPT_LONG */
#ifndef HAVE_MKSTEMP
int mkstemp( char *templ );
#endif /* #ifndef HAVE_MKSTEMP */
/* That which separates components in a path name */
#ifdef WIN32
#define FUSE_DIR_SEP_CHR '\\'
#define FUSE_DIR_SEP_STR "\\"
#else
#define FUSE_DIR_SEP_CHR '/'
#define FUSE_DIR_SEP_STR "/"
#endif
/* End of line for text files */
#ifdef WIN32
#define FUSE_EOL "\r\n"
#else
#define FUSE_EOL "\n"
#endif
#ifndef PATH_MAX
#define PATH_MAX 1024
#endif
/* The types of auxiliary file we can look for */
typedef enum utils_aux_type {
UTILS_AUXILIARY_LIB, /* Something from the lib/ directory */
UTILS_AUXILIARY_ROM, /* Something from the roms/ directory */
UTILS_AUXILIARY_WIDGET, /* Something from the widget/ directory */
UTILS_AUXILIARY_GTK, /* Something from the gtk/ directory */
} utils_aux_type;
typedef struct path_context {
int state;
utils_aux_type type;
char path[ PATH_MAX ];
} path_context;
int compat_osname( char *buffer, size_t length );
const char* compat_get_temp_path( void );
const char* compat_get_config_path( void );
int compat_is_absolute_path( const char *path );
int compat_get_next_path( path_context *ctx );
typedef FILE* compat_fd;
typedef DIR* compat_dir;
extern const compat_fd COMPAT_FILE_OPEN_FAILED;
/* File handling */
struct utils_file;
compat_fd compat_file_open( const char *path, int write );
off_t compat_file_get_length( compat_fd fd );
int compat_file_read( compat_fd fd, struct utils_file *file );
int compat_file_write( compat_fd fd, const unsigned char *buffer,
size_t length );
int compat_file_close( compat_fd fd );
int compat_file_exists( const char *path );
/* Directory handling */
typedef enum compat_dir_result_t {
COMPAT_DIR_RESULT_OK,
COMPAT_DIR_RESULT_END,
COMPAT_DIR_RESULT_ERROR,
} compat_dir_result_t;
compat_dir compat_opendir( const char *path );
compat_dir_result_t compat_readdir( compat_dir directory, char *name,
size_t length );
int compat_closedir( compat_dir directory );
/* Timing routines */
double compat_timer_get_time( void );
void compat_timer_sleep( int ms );
/* TUN/TAP handling */
int compat_get_tap( const char *interface_name );
/* Socket handling */
#ifdef WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#define COMPAT_ENOTCONN WSAENOTCONN
#define COMPAT_EWOULDBLOCK WSAEWOULDBLOCK
#define COMPAT_EINPROGRESS WSAEINPROGRESS
#define COMPAT_ECONNREFUSED WSAECONNREFUSED
typedef SOCKET compat_socket_t;
typedef SOCKADDR compat_sockaddr;
#elif GEKKO
/* no sockets under WII, just define the minimum
to feed the below compat_ declarations */
typedef int compat_socket_t;
#else /* #ifndef WIN32 && GEKKO */
#include <sys/socket.h>
#include <netdb.h>
#include <errno.h>
#define COMPAT_ENOTCONN ENOTCONN
#define COMPAT_EWOULDBLOCK EWOULDBLOCK
#define COMPAT_EINPROGRESS EINPROGRESS
#define COMPAT_ECONNREFUSED ECONNREFUSED
typedef int compat_socket_t;
typedef struct sockaddr compat_sockaddr;
#endif
extern const compat_socket_t compat_socket_invalid;
extern const int compat_socket_EBADF;
void compat_socket_networking_init( void );
void compat_socket_networking_end( void );
int compat_socket_blocking_mode( compat_socket_t fd, int blocking );
int compat_socket_get_fionread( compat_socket_t fd, u_long *bytes );
int compat_socket_close( compat_socket_t fd );
int compat_socket_get_error( void );
const char *compat_socket_get_strerror( void );
typedef struct compat_socket_selfpipe_t compat_socket_selfpipe_t;
compat_socket_selfpipe_t* compat_socket_selfpipe_alloc( void );
void compat_socket_selfpipe_free( compat_socket_selfpipe_t *self );
compat_socket_t compat_socket_selfpipe_get_read_fd( compat_socket_selfpipe_t *self );
void compat_socket_selfpipe_wake( compat_socket_selfpipe_t *self );
void compat_socket_selfpipe_discard_data( compat_socket_selfpipe_t *self );
#endif /* #ifndef FUSE_COMPAT_H */
