* 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 Library General Public
+ * 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
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * 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 1997-1999. See the AUTHORS
+ * 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/.
* gint16, guint16
* gint32, guint32
* gint64, guint64
+ * gssize, gsize
*
* It defines the G_BYTE_ORDER symbol to one of G_*_ENDIAN (see later in
* this file).
#define g_return_if_fail(expr)
#define g_return_val_if_fail(expr,val)
+#define g_return_if_reached() return
+#define g_return_val_if_reached(val) return (val)
#else /* !G_DISABLE_CHECKS */
{ \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_CRITICAL, \
- "file %s: line %d (%s): assertion `%s' failed.", \
+ "file %s: line %d (%s): assertion `%s' failed", \
__FILE__, \
__LINE__, \
__PRETTY_FUNCTION__, \
{ \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_CRITICAL, \
- "file %s: line %d (%s): assertion `%s' failed.", \
+ "file %s: line %d (%s): assertion `%s' failed", \
__FILE__, \
__LINE__, \
__PRETTY_FUNCTION__, \
#expr); \
- return val; \
+ return (val); \
}; }G_STMT_END
+#define g_return_if_reached() G_STMT_START{ \
+ g_log (G_LOG_DOMAIN, \
+ G_LOG_LEVEL_CRITICAL, \
+ "file %s: line %d (%s): should not be reached", \
+ __FILE__, \
+ __LINE__, \
+ __PRETTY_FUNCTION__); \
+ return; }G_STMT_END
+
+#define g_return_val_if_reached(val) G_STMT_START{ \
+ g_log (G_LOG_DOMAIN, \
+ G_LOG_LEVEL_CRITICAL, \
+ "file %s: line %d (%s): should not be reached", \
+ __FILE__, \
+ __LINE__, \
+ __PRETTY_FUNCTION__); \
+ return (val); }G_STMT_END
+
#else /* !__GNUC__ */
#define g_return_if_fail(expr) G_STMT_START{ \
{ \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_CRITICAL, \
- "file %s: line %d: assertion `%s' failed.", \
+ "file %s: line %d: assertion `%s' failed", \
__FILE__, \
__LINE__, \
#expr); \
{ \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_CRITICAL, \
- "file %s: line %d: assertion `%s' failed.", \
+ "file %s: line %d: assertion `%s' failed", \
__FILE__, \
__LINE__, \
#expr); \
- return val; \
+ return (val); \
}; }G_STMT_END
+#define g_return_if_reached() G_STMT_START{ \
+ g_log (G_LOG_DOMAIN, \
+ G_LOG_LEVEL_CRITICAL, \
+ "file %s: line %d: should not be reached", \
+ __FILE__, \
+ __LINE__); \
+ return; }G_STMT_END
+
+#define g_return_val_if_reached(val) G_STMT_START{ \
+ g_log (G_LOG_DOMAIN, \
+ G_LOG_LEVEL_CRITICAL, \
+ "file %s: line %d: should not be reached", \
+ __FILE__, \
+ __LINE__); \
+ return (val); }G_STMT_END
+
#endif /* !__GNUC__ */
#endif /* !G_DISABLE_CHECKS */
typedef unsigned long gulong;
typedef unsigned int guint;
-#define G_GSHORT_FORMAT "hi"
-#define G_GUSHORT_FORMAT "hu"
-#define G_GINT_FORMAT "i"
-#define G_GUINT_FORMAT "u"
-#define G_GLONG_FORMAT "li"
-#define G_GULONG_FORMAT "lu"
-
typedef float gfloat;
typedef double gdouble;
typedef const void *gconstpointer;
-typedef gint32 gssize;
-typedef guint32 gsize;
typedef guint32 GQuark;
typedef gint32 GTime;
guint len;
};
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#include <gerror.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
/* IEEE Standard 754 Single Precision Storage Format (gfloat):
*
#ifndef G_LOG_DOMAIN
#define G_LOG_DOMAIN ((gchar*) 0)
#endif /* G_LOG_DOMAIN */
-#ifdef __GNUC__
-#define g_error(format, args...) g_log (G_LOG_DOMAIN, \
- G_LOG_LEVEL_ERROR, \
- format, ##args)
-#define g_message(format, args...) g_log (G_LOG_DOMAIN, \
- G_LOG_LEVEL_MESSAGE, \
- format, ##args)
-#define g_warning(format, args...) g_log (G_LOG_DOMAIN, \
- G_LOG_LEVEL_WARNING, \
- format, ##args)
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+#define g_error(...) g_log (G_LOG_DOMAIN, \
+ G_LOG_LEVEL_ERROR, \
+ __VA_ARGS__)
+#define g_message(...) g_log (G_LOG_DOMAIN, \
+ G_LOG_LEVEL_MESSAGE, \
+ __VA_ARGS__)
+#define g_critical(...) g_log (G_LOG_DOMAIN, \
+ G_LOG_LEVEL_CRITICAL, \
+ __VA_ARGS__)
+#define g_warning(...) g_log (G_LOG_DOMAIN, \
+ G_LOG_LEVEL_WARNING, \
+ __VA_ARGS__)
+#elif defined (__GNUC__)
+#define g_error(format...) g_log (G_LOG_DOMAIN, \
+ G_LOG_LEVEL_ERROR, \
+ format)
+#define g_message(format...) g_log (G_LOG_DOMAIN, \
+ G_LOG_LEVEL_MESSAGE, \
+ format)
+#define g_critical(format...) g_log (G_LOG_DOMAIN, \
+ G_LOG_LEVEL_CRITICAL, \
+ format)
+#define g_warning(format...) g_log (G_LOG_DOMAIN, \
+ G_LOG_LEVEL_WARNING, \
+ format)
#else /* !__GNUC__ */
static void
g_error (const gchar *format,
va_end (args);
}
static void
+g_critical (const gchar *format,
+ ...)
+{
+ va_list args;
+ va_start (args, format);
+ g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL, format, args);
+ va_end (args);
+}
+static void
g_warning (const gchar *format,
...)
{
gchar* g_strdown (gchar *string);
gchar* g_strup (gchar *string);
gchar* g_strreverse (gchar *string);
+gsize g_strlcpy (gchar *dest,
+ const gchar *src,
+ gsize dest_size);
+gsize g_strlcat (gchar *dest,
+ const gchar *src,
+ gsize dest_size);
/* removes leading spaces */
gchar* g_strchug (gchar *string);
/* removes trailing spaces */
*/
GString* g_string_new (const gchar *init);
GString* g_string_sized_new (guint dfl_size);
-void g_string_free (GString *string,
+gchar* g_string_free (GString *string,
gboolean free_segment);
gboolean g_string_equal (const GString *v,
const GString *v2);
gboolean clear,
guint element_size,
guint reserved_size);
-void g_array_free (GArray *array,
+gchar* g_array_free (GArray *array,
gboolean free_segment);
GArray* g_array_append_vals (GArray *array,
gconstpointer data,
#define g_ptr_array_index(array,index) (array->pdata)[index]
GPtrArray* g_ptr_array_new (void);
GPtrArray* g_ptr_array_sized_new (guint reserved_size);
-void g_ptr_array_free (GPtrArray *array,
+gpointer* g_ptr_array_free (GPtrArray *array,
gboolean free_seg);
void g_ptr_array_set_size (GPtrArray *array,
gint length);
GByteArray* g_byte_array_new (void);
GByteArray* g_byte_array_sized_new (guint reserved_size);
-void g_byte_array_free (GByteArray *array,
+guint8* g_byte_array_free (GByteArray *array,
gboolean free_segment);
GByteArray* g_byte_array_append (GByteArray *array,
const guint8 *data,
guint g_str_hash (gconstpointer v);
gint g_int_equal (gconstpointer v,
- gconstpointer v2);
-guint g_int_hash (gconstpointer v);
+ gconstpointer v2) G_GNUC_CONST;
+guint g_int_hash (gconstpointer v) G_GNUC_CONST;
/* This "hash" function will just return the key's adress as an
* unsigned integer. Useful for hashing on plain adresses or
* passing NULL into g_hash_table_new() as GHashFunc has the
* same effect as passing g_direct_hash().
*/
-guint g_direct_hash (gconstpointer v);
+guint g_direct_hash (gconstpointer v) G_GNUC_CONST;
gint g_direct_equal (gconstpointer v,
- gconstpointer v2);
+ gconstpointer v2) G_GNUC_CONST;
/* Quarks (string<->id association)
GQuark g_quark_try_string (const gchar *string);
GQuark g_quark_from_static_string (const gchar *string);
GQuark g_quark_from_string (const gchar *string);
-gchar* g_quark_to_string (GQuark quark);
+gchar* g_quark_to_string (GQuark quark) G_GNUC_CONST;
/* Keyed Data List
guint n_years);
void g_date_subtract_years (GDate *date,
guint n_years);
-gboolean g_date_is_leap_year (GDateYear year);
+gboolean g_date_is_leap_year (GDateYear year) G_GNUC_CONST;
guint8 g_date_days_in_month (GDateMonth month,
- GDateYear year);
-guint8 g_date_monday_weeks_in_year (GDateYear year);
-guint8 g_date_sunday_weeks_in_year (GDateYear year);
+ GDateYear year) G_GNUC_CONST;
+guint8 g_date_monday_weeks_in_year (GDateYear year) G_GNUC_CONST;
+guint8 g_date_sunday_weeks_in_year (GDateYear year) G_GNUC_CONST;
/* qsort-friendly (with a cast...) */
gint g_date_compare (GDate *lhs,
* next largest prime, or the highest it knows about which is about
* MAXINT/4.
*/
-guint g_spaced_primes_closest (guint num);
+guint g_spaced_primes_closest (guint num) G_GNUC_CONST;
/* GIOChannel
void g_main_remove_poll (GPollFD *fd);
void g_main_set_poll_func (GPollFunc func);
+#ifdef G_OS_WIN32
+
+/* Useful on other platforms, too? */
+
+GPollFunc g_main_win32_get_poll_func (void);
+
+#endif
+
/* On Unix, IO channels created with this function for any file
* descriptor or socket.
*
- * On Win32, use this only for plain files opened with the MSVCRT (the
- * Microsoft run-time C library) _open(), including file descriptors
- * 0, 1 and 2 (corresponding to stdin, stdout and stderr).
- * Actually, don't do even that, this code isn't done yet.
+ * On Win32, use this only 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).
*
* The term file descriptor as used in the context of Win32 refers to
- * the emulated Unix-like file descriptors MSVCRT provides.
+ * 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 file HANDLEs.
*/
GIOChannel* g_io_channel_unix_new (int fd);
gint g_io_channel_unix_get_fd (GIOChannel *channel);
#ifdef G_OS_WIN32
-GLIB_VAR guint g_pipe_readable_msg;
-
#define G_WIN32_MSG_HANDLE 19981206
-/* This is used to add polling for Windows messages. GDK (GTk+) programs
- * should *not* use this. (In fact, I can't think of any program that
- * would want to use this, but it's here just for completeness's sake.
+/* 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()
+ * or recv() from the underlying file descriptor or SOCKET.
*/
-void g_main_poll_win32_msg_add(gint priority,
- GPollFD *fd,
- guint hwnd);
-
-/* An IO channel for Windows messages for window handle hwnd. */
-GIOChannel *g_io_channel_win32_new_messages (guint hwnd);
+void g_io_channel_win32_make_pollfd (GIOChannel *channel,
+ GIOCondition condition,
+ GPollFD *fd);
-/* An IO channel for an anonymous pipe as returned from the MSVCRT
- * _pipe(), with no mechanism for the writer to tell the reader when
- * there is data in the pipe.
- *
- * This is not really implemented yet.
+/* 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.
+ * This should probably be available for all platforms?
*/
-GIOChannel *g_io_channel_win32_new_pipe (int fd);
+gint g_io_channel_win32_poll (GPollFD *fds,
+ gint n_fds,
+ gint timeout);
-/* An IO channel for a pipe as returned from the MSVCRT _pipe(), with
- * Windows user messages used to signal data in the pipe for the
- * reader.
- *
- * fd is the file descriptor. For the write end, peer is the thread id
- * of the reader, and peer_fd is his file descriptor for the read end
- * of the pipe.
- *
- * This is used by the GIMP, and works.
+/* This is used to add polling for Windows messages. GDK (GTk+) programs
+ * should *not* use this.
*/
-GIOChannel *g_io_channel_win32_new_pipe_with_wakeups (int fd,
- guint peer,
- int peer_fd);
+void g_main_poll_win32_msg_add (gint priority,
+ GPollFD *fd,
+ guint hwnd);
-void g_io_channel_win32_pipe_request_wakeups (GIOChannel *channel,
- guint peer,
- int peer_fd);
+/* An IO channel for Windows messages for window handle hwnd. */
+GIOChannel *g_io_channel_win32_new_messages (guint hwnd);
-void g_io_channel_win32_pipe_readable (int fd,
- guint offset);
+/* An IO channel for C runtime (emulated Unix-like) file
+ * descriptors. Identical to g_io_channel_unix_new above.
+ * After calling g_io_add_watch() on a IO channel returned
+ * by this function, you shouldn't call read() on the file
+ * descriptor.
+ */
+GIOChannel* g_io_channel_win32_new_fd (int fd);
/* Get the C runtime file descriptor of a channel. */
gint g_io_channel_win32_get_fd (GIOChannel *channel);
-/* An IO channel for a SOCK_STREAM winsock socket. The parameter is
- * actually a SOCKET.
+/* An IO channel for a SOCK_STREAM winsock socket. The parameter
+ * should be a SOCKET. After calling g_io_add_watch() on a IO channel
+ * returned by this function, you shouldn't call recv() on the SOCKET.
*/
GIOChannel *g_io_channel_win32_new_stream_socket (int socket);
/* GLib Thread support
*/
+extern GQuark g_thread_error_quark();
+#define G_THREAD_ERROR g_thread_error_quark()
+
+typedef enum
+{
+ G_THREAD_ERROR_AGAIN /* Resource temporarily unavailable */
+} GThreadError;
+
typedef void (*GThreadFunc) (gpointer value);
typedef enum
gboolean joinable,
gboolean bound,
GThreadPriority priority,
- gpointer thread);
+ gpointer thread,
+ GError **error);
void (*thread_yield) (void);
void (*thread_join) (gpointer thread);
void (*thread_exit) (void);
gulong stack_size,
gboolean joinable,
gboolean bound,
- GThreadPriority priority);
+ GThreadPriority priority,
+ GError **error);
GThread* g_thread_self ();
-void g_thread_join (GThread* thread);
-void g_thread_set_priority (GThread* thread,
- GThreadPriority priority);
+void g_thread_join (GThread *thread);
+void g_thread_set_priority (GThread *thread,
+ GThreadPriority priority);
/* GStaticMutexes can be statically initialized with the value
* G_STATIC_MUTEX_INIT, and then they can directly be used, that is
gboolean bound,
GThreadPriority priority,
gboolean exclusive,
- gpointer user_data);
+ gpointer user_data,
+ GError **error);
/* Push new data into the thread pool. This task is assigned to a thread later
* (when the maximal number of threads is reached for that pool) or now
* (otherwise). If necessary a new thread will be started. The function
* returns immediatly */
void g_thread_pool_push (GThreadPool *pool,
- gpointer data);
+ gpointer data,
+ GError **error);
/* Set the number of threads, which can run concurrently for that pool, -1
* means no limit. 0 means has the effect, that the pool won't process
* requests until the limit is set higher again */
void g_thread_pool_set_max_threads (GThreadPool *pool,
- gint max_threads);
+ gint max_threads,
+ GError **error);
gint g_thread_pool_get_max_threads (GThreadPool *pool);
/* Get the number of threads assigned to that pool. This number doesn't
#endif /* __cplusplus */
#include <gunicode.h>
-#include <gerror.h>
#endif /* __G_LIB_H__ */