/usr/include/glib-2.0/glib/giochannel.h is in libglib2.0-dev 2.33.12+really2.32.4-5.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 | /* GLIB - Library of useful routines for C programming
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library 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.
*
* This library 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 this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GLib Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GLib Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GLib at ftp://ftp.gtk.org/pub/gtk/.
*/
#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only <glib.h> can be included directly."
#endif
#ifndef __G_IOCHANNEL_H__
#define __G_IOCHANNEL_H__
#include <glib/gconvert.h>
#include <glib/gmain.h>
#include <glib/gstring.h>
G_BEGIN_DECLS
/* GIOChannel
*/
typedef struct _GIOChannel GIOChannel;
typedef struct _GIOFuncs GIOFuncs;
typedef enum
{
G_IO_ERROR_NONE,
G_IO_ERROR_AGAIN,
G_IO_ERROR_INVAL,
G_IO_ERROR_UNKNOWN
} GIOError;
#define G_IO_CHANNEL_ERROR g_io_channel_error_quark()
typedef enum
{
/* Derived from errno */
G_IO_CHANNEL_ERROR_FBIG,
G_IO_CHANNEL_ERROR_INVAL,
G_IO_CHANNEL_ERROR_IO,
G_IO_CHANNEL_ERROR_ISDIR,
G_IO_CHANNEL_ERROR_NOSPC,
G_IO_CHANNEL_ERROR_NXIO,
G_IO_CHANNEL_ERROR_OVERFLOW,
G_IO_CHANNEL_ERROR_PIPE,
/* Other */
G_IO_CHANNEL_ERROR_FAILED
} GIOChannelError;
typedef enum
{
G_IO_STATUS_ERROR,
G_IO_STATUS_NORMAL,
G_IO_STATUS_EOF,
G_IO_STATUS_AGAIN
} GIOStatus;
typedef enum
{
G_SEEK_CUR,
G_SEEK_SET,
G_SEEK_END
} GSeekType;
typedef enum /*< flags >*/
{
G_IO_IN GLIB_SYSDEF_POLLIN,
G_IO_OUT GLIB_SYSDEF_POLLOUT,
G_IO_PRI GLIB_SYSDEF_POLLPRI,
G_IO_ERR GLIB_SYSDEF_POLLERR,
G_IO_HUP GLIB_SYSDEF_POLLHUP,
G_IO_NVAL GLIB_SYSDEF_POLLNVAL
} GIOCondition;
typedef enum
{
G_IO_FLAG_APPEND = 1 << 0,
G_IO_FLAG_NONBLOCK = 1 << 1,
G_IO_FLAG_IS_READABLE = 1 << 2, /* Read only flag */
G_IO_FLAG_IS_WRITABLE = 1 << 3, /* Read only flag */
G_IO_FLAG_IS_SEEKABLE = 1 << 4, /* Read only flag */
G_IO_FLAG_MASK = (1 << 5) - 1,
G_IO_FLAG_GET_MASK = G_IO_FLAG_MASK,
G_IO_FLAG_SET_MASK = G_IO_FLAG_APPEND | G_IO_FLAG_NONBLOCK
} GIOFlags;
/* Misspelling in enum in 2.29.10 and earlier */
#define G_IO_FLAG_IS_WRITEABLE (G_IO_FLAG_IS_WRITABLE)
struct _GIOChannel
{
/*< private >*/
gint ref_count;
GIOFuncs *funcs;
gchar *encoding;
GIConv read_cd;
GIConv write_cd;
gchar *line_term; /* String which indicates the end of a line of text */
guint line_term_len; /* So we can have null in the line term */
gsize buf_size;
GString *read_buf; /* Raw data from the channel */
GString *encoded_read_buf; /* Channel data converted to UTF-8 */
GString *write_buf; /* Data ready to be written to the file */
gchar partial_write_buf[6]; /* UTF-8 partial characters, null terminated */
/* Group the flags together, immediately after partial_write_buf, to save memory */
guint use_buffer : 1; /* The encoding uses the buffers */
guint do_encode : 1; /* The encoding uses the GIConv coverters */
guint close_on_unref : 1; /* Close the channel on final unref */
guint is_readable : 1; /* Cached GIOFlag */
guint is_writeable : 1; /* ditto */
guint is_seekable : 1; /* ditto */
gpointer reserved1;
gpointer reserved2;
};
typedef gboolean (*GIOFunc) (GIOChannel *source,
GIOCondition condition,
gpointer data);
struct _GIOFuncs
{
GIOStatus (*io_read) (GIOChannel *channel,
gchar *buf,
gsize count,
gsize *bytes_read,
GError **err);
GIOStatus (*io_write) (GIOChannel *channel,
const gchar *buf,
gsize count,
gsize *bytes_written,
GError **err);
GIOStatus (*io_seek) (GIOChannel *channel,
gint64 offset,
GSeekType type,
GError **err);
GIOStatus (*io_close) (GIOChannel *channel,
GError **err);
GSource* (*io_create_watch) (GIOChannel *channel,
GIOCondition condition);
void (*io_free) (GIOChannel *channel);
GIOStatus (*io_set_flags) (GIOChannel *channel,
GIOFlags flags,
GError **err);
GIOFlags (*io_get_flags) (GIOChannel *channel);
};
void g_io_channel_init (GIOChannel *channel);
GIOChannel *g_io_channel_ref (GIOChannel *channel);
void g_io_channel_unref (GIOChannel *channel);
GLIB_DEPRECATED_FOR(g_io_channel_read_for)
GIOError g_io_channel_read (GIOChannel *channel,
gchar *buf,
gsize count,
gsize *bytes_read);
GLIB_DEPRECATED_FOR(g_io_channel_write_chars)
GIOError g_io_channel_write (GIOChannel *channel,
const gchar *buf,
gsize count,
gsize *bytes_written);
GLIB_DEPRECATED_FOR(g_io_channel_seek_position)
GIOError g_io_channel_seek (GIOChannel *channel,
gint64 offset,
GSeekType type);
GLIB_DEPRECATED_FOR(g_io_channel_shutdown)
void g_io_channel_close (GIOChannel *channel);
GIOStatus g_io_channel_shutdown (GIOChannel *channel,
gboolean flush,
GError **err);
guint g_io_add_watch_full (GIOChannel *channel,
gint priority,
GIOCondition condition,
GIOFunc func,
gpointer user_data,
GDestroyNotify notify);
GSource * g_io_create_watch (GIOChannel *channel,
GIOCondition condition);
guint g_io_add_watch (GIOChannel *channel,
GIOCondition condition,
GIOFunc func,
gpointer user_data);
/* character encoding conversion involved functions.
*/
void g_io_channel_set_buffer_size (GIOChannel *channel,
gsize size);
gsize g_io_channel_get_buffer_size (GIOChannel *channel);
GIOCondition g_io_channel_get_buffer_condition (GIOChannel *channel);
GIOStatus g_io_channel_set_flags (GIOChannel *channel,
GIOFlags flags,
GError **error);
GIOFlags g_io_channel_get_flags (GIOChannel *channel);
void g_io_channel_set_line_term (GIOChannel *channel,
const gchar *line_term,
gint length);
const gchar * g_io_channel_get_line_term (GIOChannel *channel,
gint *length);
void g_io_channel_set_buffered (GIOChannel *channel,
gboolean buffered);
gboolean g_io_channel_get_buffered (GIOChannel *channel);
GIOStatus g_io_channel_set_encoding (GIOChannel *channel,
const gchar *encoding,
GError **error);
const gchar * g_io_channel_get_encoding (GIOChannel *channel);
void g_io_channel_set_close_on_unref (GIOChannel *channel,
gboolean do_close);
gboolean g_io_channel_get_close_on_unref (GIOChannel *channel);
GIOStatus g_io_channel_flush (GIOChannel *channel,
GError **error);
GIOStatus g_io_channel_read_line (GIOChannel *channel,
gchar **str_return,
gsize *length,
gsize *terminator_pos,
GError **error);
GIOStatus g_io_channel_read_line_string (GIOChannel *channel,
GString *buffer,
gsize *terminator_pos,
GError **error);
GIOStatus g_io_channel_read_to_end (GIOChannel *channel,
gchar **str_return,
gsize *length,
GError **error);
GIOStatus g_io_channel_read_chars (GIOChannel *channel,
gchar *buf,
gsize count,
gsize *bytes_read,
GError **error);
GIOStatus g_io_channel_read_unichar (GIOChannel *channel,
gunichar *thechar,
GError **error);
GIOStatus g_io_channel_write_chars (GIOChannel *channel,
const gchar *buf,
gssize count,
gsize *bytes_written,
GError **error);
GIOStatus g_io_channel_write_unichar (GIOChannel *channel,
gunichar thechar,
GError **error);
GIOStatus g_io_channel_seek_position (GIOChannel *channel,
gint64 offset,
GSeekType type,
GError **error);
#ifdef G_OS_WIN32
#define g_io_channel_new_file g_io_channel_new_file_utf8
#endif
GIOChannel* g_io_channel_new_file (const gchar *filename,
const gchar *mode,
GError **error);
/* Error handling */
GQuark g_io_channel_error_quark (void);
GIOChannelError g_io_channel_error_from_errno (gint en);
/* On Unix, IO channels created with this function for any file
* descriptor or socket.
*
* On Win32, this can be used either for files opened with the MSVCRT
* (the Microsoft run-time C library) _open() or _pipe, including file
* descriptors 0, 1 and 2 (corresponding to stdin, stdout and stderr),
* or for Winsock SOCKETs. If the parameter is a legal file
* descriptor, it is assumed to be such, otherwise it should be a
* SOCKET. This relies on SOCKETs and file descriptors not
* overlapping. If you want to be certain, call either
* g_io_channel_win32_new_fd() or g_io_channel_win32_new_socket()
* instead as appropriate.
*
* The term file descriptor as used in the context of Win32 refers to
* the emulated Unix-like file descriptors MSVCRT provides. The native
* corresponding concept is file HANDLE. There isn't as of yet a way to
* get GIOChannels for Win32 file HANDLEs.
*/
GIOChannel* g_io_channel_unix_new (int fd);
gint g_io_channel_unix_get_fd (GIOChannel *channel);
/* Hook for GClosure / GSource integration. Don't touch */
GLIB_VAR GSourceFuncs g_io_watch_funcs;
#ifdef G_OS_WIN32
/* You can use this "pseudo file descriptor" in a GPollFD to add
* polling for Windows messages. GTK applications should not do that.
*/
#define G_WIN32_MSG_HANDLE 19981206
/* Use this to get a GPollFD from a GIOChannel, so that you can call
* g_io_channel_win32_poll(). After calling this you should only use
* g_io_channel_read() to read from the GIOChannel, i.e. never read()
* from the underlying file descriptor. For SOCKETs, it is possible to call
* recv().
*/
void g_io_channel_win32_make_pollfd (GIOChannel *channel,
GIOCondition condition,
GPollFD *fd);
/* This can be used to wait a until at least one of the channels is readable.
* On Unix you would do a select() on the file descriptors of the channels.
*/
gint g_io_channel_win32_poll (GPollFD *fds,
gint n_fds,
gint timeout_);
/* Create an IO channel for Windows messages for window handle hwnd. */
#if GLIB_SIZEOF_VOID_P == 8
/* We use gsize here so that it is still an integer type and not a
* pointer, like the guint in the traditional prototype. We can't use
* intptr_t as that is not portable enough.
*/
GIOChannel *g_io_channel_win32_new_messages (gsize hwnd);
#else
GIOChannel *g_io_channel_win32_new_messages (guint hwnd);
#endif
/* Create an IO channel for C runtime (emulated Unix-like) file
* descriptors. After calling g_io_add_watch() on a IO channel
* returned by this function, you shouldn't call read() on the file
* descriptor. This is because adding polling for a file descriptor is
* implemented on Win32 by starting a thread that sits blocked in a
* read() from the file descriptor most of the time. All reads from
* the file descriptor should be done by this internal GLib
* thread. Your code should call only g_io_channel_read_chars().
*/
GIOChannel* g_io_channel_win32_new_fd (gint fd);
/* Get the C runtime file descriptor of a channel. */
gint g_io_channel_win32_get_fd (GIOChannel *channel);
/* Create an IO channel for a winsock socket. The parameter should be
* a SOCKET. Contrary to IO channels for file descriptors (on *Win32),
* you can use normal recv() or recvfrom() on sockets even if GLib
* is polling them.
*/
GIOChannel *g_io_channel_win32_new_socket (gint socket);
#endif
G_END_DECLS
#endif /* __G_IOCHANNEL_H__ */
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