/* GLIB - Library of useful routines for C programming
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
* 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.
+ * version 2.1 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
* 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.
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/*
* 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/.
+ * GLib at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __G_TYPES_H__
#define __G_TYPES_H__
+#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
+#error "Only <glib.h> can be included directly."
+#endif
+
#include <glibconfig.h>
+#include <glib/gmacros.h>
+#include <glib/gversionmacros.h>
+
+/* Must be included after the 3 headers above */
+#include <glib/glib-visibility.h>
+
+#include <time.h>
G_BEGIN_DECLS
typedef long glong;
typedef int gint;
typedef gint gboolean;
-typedef gchar* gstring;
typedef unsigned char guchar;
typedef unsigned short gushort;
typedef float gfloat;
typedef double gdouble;
-/* HAVE_LONG_DOUBLE doesn't work correctly on all platforms.
- * Since gldouble isn't used anywhere, just disable it for now */
+/* Define min and max constants for the fixed size numerical types */
+/**
+ * G_MININT8: (value -128)
+ *
+ * The minimum value which can be held in a #gint8.
+ *
+ * Since: 2.4
+ */
+#define G_MININT8 ((gint8) (-G_MAXINT8 - 1))
+#define G_MAXINT8 ((gint8) 0x7f)
+#define G_MAXUINT8 ((guint8) 0xff)
+
+/**
+ * G_MININT16: (value -32768)
+ *
+ * The minimum value which can be held in a #gint16.
+ *
+ * Since: 2.4
+ */
+#define G_MININT16 ((gint16) (-G_MAXINT16 - 1))
+#define G_MAXINT16 ((gint16) 0x7fff)
+#define G_MAXUINT16 ((guint16) 0xffff)
-#if 0
-#ifdef HAVE_LONG_DOUBLE
-typedef long double gldouble;
-#else /* HAVE_LONG_DOUBLE */
-typedef double gldouble;
-#endif /* HAVE_LONG_DOUBLE */
-#endif /* 0 */
+/**
+ * G_MININT32: (value -2147483648)
+ *
+ * The minimum value which can be held in a #gint32.
+ *
+ * Since: 2.4
+ */
+#define G_MININT32 ((gint32) (-G_MAXINT32 - 1))
+#define G_MAXINT32 ((gint32) 0x7fffffff)
+#define G_MAXUINT32 ((guint32) 0xffffffff)
+
+/**
+ * G_MININT64: (value -9223372036854775808)
+ *
+ * The minimum value which can be held in a #gint64.
+ */
+#define G_MININT64 ((gint64) (-G_MAXINT64 - G_GINT64_CONSTANT(1)))
+#define G_MAXINT64 G_GINT64_CONSTANT(0x7fffffffffffffff)
+#define G_MAXUINT64 G_GUINT64_CONSTANT(0xffffffffffffffff)
typedef void* gpointer;
typedef const void *gconstpointer;
typedef gint (*GCompareFunc) (gconstpointer a,
gconstpointer b);
+typedef gint (*GCompareDataFunc) (gconstpointer a,
+ gconstpointer b,
+ gpointer user_data);
+typedef gboolean (*GEqualFunc) (gconstpointer a,
+ gconstpointer b);
+
+/**
+ * GEqualFuncFull:
+ * @a: a value
+ * @b: a value to compare with
+ * @user_data: user data provided by the caller
+ *
+ * Specifies the type of a function used to test two values for
+ * equality. The function should return %TRUE if both values are equal
+ * and %FALSE otherwise.
+ *
+ * This is a version of #GEqualFunc which provides a @user_data closure from
+ * the caller.
+ *
+ * Returns: %TRUE if @a = @b; %FALSE otherwise
+ * Since: 2.74
+ */
+typedef gboolean (*GEqualFuncFull) (gconstpointer a,
+ gconstpointer b,
+ gpointer user_data);
+
typedef void (*GDestroyNotify) (gpointer data);
typedef void (*GFunc) (gpointer data,
gpointer user_data);
gpointer value,
gpointer user_data);
+/**
+ * GCopyFunc:
+ * @src: (not nullable): A pointer to the data which should be copied
+ * @data: Additional data
+ *
+ * A function of this signature is used to copy the node data
+ * when doing a deep-copy of a tree.
+ *
+ * Returns: (not nullable): A pointer to the copy
+ *
+ * Since: 2.4
+ */
+typedef gpointer (*GCopyFunc) (gconstpointer src,
+ gpointer data);
+/**
+ * GFreeFunc:
+ * @data: a data pointer
+ *
+ * Declares a type of function which takes an arbitrary
+ * data pointer argument and has no return value. It is
+ * not currently used in GLib or GTK.
+ */
+typedef void (*GFreeFunc) (gpointer data);
+
+/**
+ * GTranslateFunc:
+ * @str: the untranslated string
+ * @data: user data specified when installing the function, e.g.
+ * in g_option_group_set_translate_func()
+ *
+ * The type of functions which are used to translate user-visible
+ * strings, for <option>--help</option> output.
+ *
+ * Returns: a translation of the string for the current locale.
+ * The returned string is owned by GLib and must not be freed.
+ */
+typedef const gchar * (*GTranslateFunc) (const gchar *str,
+ gpointer data);
+
+
/* Define some mathematical constants that aren't available
* symbolically in some strict ISO C implementations.
+ *
+ * Note that the large number of digits used in these definitions
+ * doesn't imply that GLib or current computers in general would be
+ * able to handle floating point numbers with an accuracy like this.
+ * It's mostly an exercise in futility and future proofing. For
+ * extended precision floating point support, look somewhere else
+ * than GLib.
*/
-#define G_E 2.7182818284590452354E0
-#define G_LN2 6.9314718055994530942E-1
-#define G_LN10 2.3025850929940456840E0
-#define G_PI 3.14159265358979323846E0
-#define G_PI_2 1.57079632679489661923E0
-#define G_PI_4 0.78539816339744830962E0
-#define G_SQRT2 1.4142135623730950488E0
+#define G_E 2.7182818284590452353602874713526624977572470937000
+#define G_LN2 0.69314718055994530941723212145817656807550013436026
+#define G_LN10 2.3025850929940456840179914546843642076011014886288
+#define G_PI 3.1415926535897932384626433832795028841971693993751
+#define G_PI_2 1.5707963267948966192313216916397514420985846996876
+#define G_PI_4 0.78539816339744830961566084581987572104929234984378
+#define G_SQRT2 1.4142135623730950488016887242096980785696718753769
/* Portable endian checks and conversions
*
/* Basic bit swapping functions
*/
#define GUINT16_SWAP_LE_BE_CONSTANT(val) ((guint16) ( \
- (((guint16) (val) & (guint16) 0x00ffU) << 8) | \
- (((guint16) (val) & (guint16) 0xff00U) >> 8)))
+ (guint16) ((guint16) (val) >> 8) | \
+ (guint16) ((guint16) (val) << 8)))
+
#define GUINT32_SWAP_LE_BE_CONSTANT(val) ((guint32) ( \
(((guint32) (val) & (guint32) 0x000000ffU) << 24) | \
(((guint32) (val) & (guint32) 0x0000ff00U) << 8) | \
(((guint32) (val) & (guint32) 0x00ff0000U) >> 8) | \
(((guint32) (val) & (guint32) 0xff000000U) >> 24)))
-/* Intel specific stuff for speed
- */
-#if defined (__i386__) && defined (__GNUC__) && __GNUC__ >= 2
-# define GUINT16_SWAP_LE_BE_X86(val) \
- (__extension__ \
- ({ register guint16 __v; \
- if (__builtin_constant_p (val)) \
- __v = GUINT16_SWAP_LE_BE_CONSTANT (val); \
- else \
- __asm__ __const__ ("rorw $8, %w0" \
- : "=r" (__v) \
- : "0" ((guint16) (val))); \
- __v; }))
-# define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_X86 (val))
-# if !defined(__i486__) && !defined(__i586__) \
- && !defined(__pentium__) && !defined(__i686__) && !defined(__pentiumpro__)
-# define GUINT32_SWAP_LE_BE_X86(val) \
- (__extension__ \
- ({ register guint32 __v; \
- if (__builtin_constant_p (val)) \
- __v = GUINT32_SWAP_LE_BE_CONSTANT (val); \
- else \
- __asm__ __const__ ("rorw $8, %w0\n\t" \
- "rorl $16, %0\n\t" \
- "rorw $8, %w0" \
- : "=r" (__v) \
- : "0" ((guint32) (val))); \
- __v; }))
-# else /* 486 and higher has bswap */
-# define GUINT32_SWAP_LE_BE_X86(val) \
- (__extension__ \
- ({ register guint32 __v; \
- if (__builtin_constant_p (val)) \
- __v = GUINT32_SWAP_LE_BE_CONSTANT (val); \
- else \
- __asm__ __const__ ("bswap %0" \
- : "=r" (__v) \
- : "0" ((guint32) (val))); \
- __v; }))
-# endif /* processor specific 32-bit stuff */
-# define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_X86 (val))
-#else /* !__i386__ */
-# define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val))
-# define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_CONSTANT (val))
-#endif /* __i386__ */
-
-#ifdef G_HAVE_GINT64
-# define GUINT64_SWAP_LE_BE_CONSTANT(val) ((guint64) ( \
+#define GUINT64_SWAP_LE_BE_CONSTANT(val) ((guint64) ( \
(((guint64) (val) & \
- (guint64) G_GINT64_CONSTANT(0x00000000000000ffU)) << 56) | \
+ (guint64) G_GINT64_CONSTANT (0x00000000000000ffU)) << 56) | \
(((guint64) (val) & \
- (guint64) G_GINT64_CONSTANT(0x000000000000ff00U)) << 40) | \
+ (guint64) G_GINT64_CONSTANT (0x000000000000ff00U)) << 40) | \
(((guint64) (val) & \
- (guint64) G_GINT64_CONSTANT(0x0000000000ff0000U)) << 24) | \
+ (guint64) G_GINT64_CONSTANT (0x0000000000ff0000U)) << 24) | \
(((guint64) (val) & \
- (guint64) G_GINT64_CONSTANT(0x00000000ff000000U)) << 8) | \
+ (guint64) G_GINT64_CONSTANT (0x00000000ff000000U)) << 8) | \
(((guint64) (val) & \
- (guint64) G_GINT64_CONSTANT(0x000000ff00000000U)) >> 8) | \
+ (guint64) G_GINT64_CONSTANT (0x000000ff00000000U)) >> 8) | \
(((guint64) (val) & \
- (guint64) G_GINT64_CONSTANT(0x0000ff0000000000U)) >> 24) | \
+ (guint64) G_GINT64_CONSTANT (0x0000ff0000000000U)) >> 24) | \
(((guint64) (val) & \
- (guint64) G_GINT64_CONSTANT(0x00ff000000000000U)) >> 40) | \
+ (guint64) G_GINT64_CONSTANT (0x00ff000000000000U)) >> 40) | \
(((guint64) (val) & \
- (guint64) G_GINT64_CONSTANT(0xff00000000000000U)) >> 56)))
-# if defined (__i386__) && defined (__GNUC__) && __GNUC__ >= 2
-# define GUINT64_SWAP_LE_BE_X86(val) \
- (__extension__ \
- ({ union { guint64 __ll; \
- guint32 __l[2]; } __r; \
- if (__builtin_constant_p (val)) \
- __r.__ll = GUINT64_SWAP_LE_BE_CONSTANT (val); \
+ (guint64) G_GINT64_CONSTANT (0xff00000000000000U)) >> 56)))
+
+/* Arch specific stuff for speed
+ */
+#if defined (__GNUC__) && (__GNUC__ >= 2) && defined (__OPTIMIZE__)
+
+# if __GNUC__ >= 4 && defined (__GNUC_MINOR__) && __GNUC_MINOR__ >= 3
+# define GUINT32_SWAP_LE_BE(val) ((guint32) __builtin_bswap32 ((guint32) (val)))
+# define GUINT64_SWAP_LE_BE(val) ((guint64) __builtin_bswap64 ((guint64) (val)))
+# endif
+
+# if defined (__i386__)
+# define GUINT16_SWAP_LE_BE_IA32(val) \
+ (G_GNUC_EXTENSION \
+ ({ guint16 __v, __x = ((guint16) (val)); \
+ if (__builtin_constant_p (__x)) \
+ __v = GUINT16_SWAP_LE_BE_CONSTANT (__x); \
+ else \
+ __asm__ ("rorw $8, %w0" \
+ : "=r" (__v) \
+ : "0" (__x) \
+ : "cc"); \
+ __v; }))
+# if !defined (__i486__) && !defined (__i586__) \
+ && !defined (__pentium__) && !defined (__i686__) \
+ && !defined (__pentiumpro__) && !defined (__pentium4__)
+# define GUINT32_SWAP_LE_BE_IA32(val) \
+ (G_GNUC_EXTENSION \
+ ({ guint32 __v, __x = ((guint32) (val)); \
+ if (__builtin_constant_p (__x)) \
+ __v = GUINT32_SWAP_LE_BE_CONSTANT (__x); \
+ else \
+ __asm__ ("rorw $8, %w0\n\t" \
+ "rorl $16, %0\n\t" \
+ "rorw $8, %w0" \
+ : "=r" (__v) \
+ : "0" (__x) \
+ : "cc"); \
+ __v; }))
+# else /* 486 and higher has bswap */
+# define GUINT32_SWAP_LE_BE_IA32(val) \
+ (G_GNUC_EXTENSION \
+ ({ guint32 __v, __x = ((guint32) (val)); \
+ if (__builtin_constant_p (__x)) \
+ __v = GUINT32_SWAP_LE_BE_CONSTANT (__x); \
+ else \
+ __asm__ ("bswap %0" \
+ : "=r" (__v) \
+ : "0" (__x)); \
+ __v; }))
+# endif /* processor specific 32-bit stuff */
+# define GUINT64_SWAP_LE_BE_IA32(val) \
+ (G_GNUC_EXTENSION \
+ ({ union { guint64 __ll; \
+ guint32 __l[2]; } __w, __r; \
+ __w.__ll = ((guint64) (val)); \
+ if (__builtin_constant_p (__w.__ll)) \
+ __r.__ll = GUINT64_SWAP_LE_BE_CONSTANT (__w.__ll); \
+ else \
+ { \
+ __r.__l[0] = GUINT32_SWAP_LE_BE (__w.__l[1]); \
+ __r.__l[1] = GUINT32_SWAP_LE_BE (__w.__l[0]); \
+ } \
+ __r.__ll; }))
+ /* Possibly just use the constant version and let gcc figure it out? */
+# define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_IA32 (val))
+# ifndef GUINT32_SWAP_LE_BE
+# define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_IA32 (val))
+# endif
+# ifndef GUINT64_SWAP_LE_BE
+# define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_IA32 (val))
+# endif
+# elif defined (__ia64__)
+# define GUINT16_SWAP_LE_BE_IA64(val) \
+ (G_GNUC_EXTENSION \
+ ({ guint16 __v, __x = ((guint16) (val)); \
+ if (__builtin_constant_p (__x)) \
+ __v = GUINT16_SWAP_LE_BE_CONSTANT (__x); \
+ else \
+ __asm__ __volatile__ ("shl %0 = %1, 48 ;;" \
+ "mux1 %0 = %0, @rev ;;" \
+ : "=r" (__v) \
+ : "r" (__x)); \
+ __v; }))
+# define GUINT32_SWAP_LE_BE_IA64(val) \
+ (G_GNUC_EXTENSION \
+ ({ guint32 __v, __x = ((guint32) (val)); \
+ if (__builtin_constant_p (__x)) \
+ __v = GUINT32_SWAP_LE_BE_CONSTANT (__x); \
+ else \
+ __asm__ __volatile__ ("shl %0 = %1, 32 ;;" \
+ "mux1 %0 = %0, @rev ;;" \
+ : "=r" (__v) \
+ : "r" (__x)); \
+ __v; }))
+# define GUINT64_SWAP_LE_BE_IA64(val) \
+ (G_GNUC_EXTENSION \
+ ({ guint64 __v, __x = ((guint64) (val)); \
+ if (__builtin_constant_p (__x)) \
+ __v = GUINT64_SWAP_LE_BE_CONSTANT (__x); \
+ else \
+ __asm__ __volatile__ ("mux1 %0 = %1, @rev ;;" \
+ : "=r" (__v) \
+ : "r" (__x)); \
+ __v; }))
+# define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_IA64 (val))
+# ifndef GUINT32_SWAP_LE_BE
+# define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_IA64 (val))
+# endif
+# ifndef GUINT64_SWAP_LE_BE
+# define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_IA64 (val))
+# endif
+# elif defined (__x86_64__)
+# define GUINT32_SWAP_LE_BE_X86_64(val) \
+ (G_GNUC_EXTENSION \
+ ({ guint32 __v, __x = ((guint32) (val)); \
+ if (__builtin_constant_p (__x)) \
+ __v = GUINT32_SWAP_LE_BE_CONSTANT (__x); \
else \
- { \
- union { guint64 __ll; \
- guint32 __l[2]; } __w; \
- __w.__ll = ((guint64) val); \
- __r.__l[0] = GUINT32_SWAP_LE_BE (__w.__l[1]); \
- __r.__l[1] = GUINT32_SWAP_LE_BE (__w.__l[0]); \
- } \
- __r.__ll; }))
-# define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_X86 (val))
-# else /* !__i386__ */
-# define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT(val))
+ __asm__ ("bswapl %0" \
+ : "=r" (__v) \
+ : "0" (__x)); \
+ __v; }))
+# define GUINT64_SWAP_LE_BE_X86_64(val) \
+ (G_GNUC_EXTENSION \
+ ({ guint64 __v, __x = ((guint64) (val)); \
+ if (__builtin_constant_p (__x)) \
+ __v = GUINT64_SWAP_LE_BE_CONSTANT (__x); \
+ else \
+ __asm__ ("bswapq %0" \
+ : "=r" (__v) \
+ : "0" (__x)); \
+ __v; }))
+ /* gcc seems to figure out optimal code for this on its own */
+# define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val))
+# ifndef GUINT32_SWAP_LE_BE
+# define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_X86_64 (val))
+# endif
+# ifndef GUINT64_SWAP_LE_BE
+# define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_X86_64 (val))
+# endif
+# else /* generic gcc */
+# define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val))
+# ifndef GUINT32_SWAP_LE_BE
+# define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_CONSTANT (val))
+# endif
+# ifndef GUINT64_SWAP_LE_BE
+# define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val))
+# endif
# endif
-#endif
+#else /* generic */
+# define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val))
+# define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_CONSTANT (val))
+# define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val))
+#endif /* generic */
#define GUINT16_SWAP_LE_PDP(val) ((guint16) (val))
#define GUINT16_SWAP_BE_PDP(val) (GUINT16_SWAP_LE_BE (val))
#define GINT32_FROM_BE(val) (GINT32_TO_BE (val))
#define GUINT32_FROM_BE(val) (GUINT32_TO_BE (val))
-#ifdef G_HAVE_GINT64
#define GINT64_FROM_LE(val) (GINT64_TO_LE (val))
#define GUINT64_FROM_LE(val) (GUINT64_TO_LE (val))
#define GINT64_FROM_BE(val) (GINT64_TO_BE (val))
#define GUINT64_FROM_BE(val) (GUINT64_TO_BE (val))
-#endif
#define GLONG_FROM_LE(val) (GLONG_TO_LE (val))
#define GULONG_FROM_LE(val) (GULONG_TO_LE (val))
#define GINT_FROM_BE(val) (GINT_TO_BE (val))
#define GUINT_FROM_BE(val) (GUINT_TO_BE (val))
+#define GSIZE_FROM_LE(val) (GSIZE_TO_LE (val))
+#define GSSIZE_FROM_LE(val) (GSSIZE_TO_LE (val))
+#define GSIZE_FROM_BE(val) (GSIZE_TO_BE (val))
+#define GSSIZE_FROM_BE(val) (GSSIZE_TO_BE (val))
/* Portable versions of host-network order stuff
*/
#define g_htonl(val) (GUINT32_TO_BE (val))
#define g_htons(val) (GUINT16_TO_BE (val))
+/* Overflow-checked unsigned integer arithmetic
+ */
+#ifndef _GLIB_TEST_OVERFLOW_FALLBACK
+/* https://bugzilla.gnome.org/show_bug.cgi?id=769104 */
+#if __GNUC__ >= 5 && !defined(__INTEL_COMPILER)
+#define _GLIB_HAVE_BUILTIN_OVERFLOW_CHECKS
+#elif g_macro__has_builtin(__builtin_add_overflow)
+#define _GLIB_HAVE_BUILTIN_OVERFLOW_CHECKS
+#endif
+#endif
+
+#ifdef _GLIB_HAVE_BUILTIN_OVERFLOW_CHECKS
+
+#define g_uint_checked_add(dest, a, b) \
+ (!__builtin_add_overflow(a, b, dest))
+#define g_uint_checked_mul(dest, a, b) \
+ (!__builtin_mul_overflow(a, b, dest))
+
+#define g_uint64_checked_add(dest, a, b) \
+ (!__builtin_add_overflow(a, b, dest))
+#define g_uint64_checked_mul(dest, a, b) \
+ (!__builtin_mul_overflow(a, b, dest))
+
+#define g_size_checked_add(dest, a, b) \
+ (!__builtin_add_overflow(a, b, dest))
+#define g_size_checked_mul(dest, a, b) \
+ (!__builtin_mul_overflow(a, b, dest))
+
+#else /* !_GLIB_HAVE_BUILTIN_OVERFLOW_CHECKS */
+
+/* The names of the following inlines are private. Use the macro
+ * definitions above.
+ */
+static inline gboolean _GLIB_CHECKED_ADD_UINT (guint *dest, guint a, guint b) {
+ *dest = a + b; return *dest >= a; }
+static inline gboolean _GLIB_CHECKED_MUL_UINT (guint *dest, guint a, guint b) {
+ *dest = a * b; return !a || *dest / a == b; }
+static inline gboolean _GLIB_CHECKED_ADD_UINT64 (guint64 *dest, guint64 a, guint64 b) {
+ *dest = a + b; return *dest >= a; }
+static inline gboolean _GLIB_CHECKED_MUL_UINT64 (guint64 *dest, guint64 a, guint64 b) {
+ *dest = a * b; return !a || *dest / a == b; }
+static inline gboolean _GLIB_CHECKED_ADD_SIZE (gsize *dest, gsize a, gsize b) {
+ *dest = a + b; return *dest >= a; }
+static inline gboolean _GLIB_CHECKED_MUL_SIZE (gsize *dest, gsize a, gsize b) {
+ *dest = a * b; return !a || *dest / a == b; }
+
+#define g_uint_checked_add(dest, a, b) \
+ _GLIB_CHECKED_ADD_UINT(dest, a, b)
+#define g_uint_checked_mul(dest, a, b) \
+ _GLIB_CHECKED_MUL_UINT(dest, a, b)
+
+#define g_uint64_checked_add(dest, a, b) \
+ _GLIB_CHECKED_ADD_UINT64(dest, a, b)
+#define g_uint64_checked_mul(dest, a, b) \
+ _GLIB_CHECKED_MUL_UINT64(dest, a, b)
+
+#define g_size_checked_add(dest, a, b) \
+ _GLIB_CHECKED_ADD_SIZE(dest, a, b)
+#define g_size_checked_mul(dest, a, b) \
+ _GLIB_CHECKED_MUL_SIZE(dest, a, b)
+
+#endif /* !_GLIB_HAVE_BUILTIN_OVERFLOW_CHECKS */
+
/* IEEE Standard 754 Single Precision Storage Format (gfloat):
*
* 31 30 23 22 0
typedef union _GFloatIEEE754 GFloatIEEE754;
#define G_IEEE754_FLOAT_BIAS (127)
#define G_IEEE754_DOUBLE_BIAS (1023)
-/* multiply with base2 exponent to get base10 exponent (nomal numbers) */
+/* multiply with base2 exponent to get base10 exponent (normal numbers) */
#define G_LOG_2_BASE_10 (0.30102999566398119521)
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
union _GFloatIEEE754
#error unknown ENDIAN type
#endif /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */
+typedef struct _GTimeVal GTimeVal GLIB_DEPRECATED_TYPE_IN_2_62_FOR(GDateTime);
+
+struct _GTimeVal
+{
+ glong tv_sec;
+ glong tv_usec;
+} GLIB_DEPRECATED_TYPE_IN_2_62_FOR(GDateTime);
+
+typedef gint grefcount;
+typedef gint gatomicrefcount; /* should be accessed only using atomics */
+
G_END_DECLS
#endif /* __G_TYPES_H__ */
-
projects / platform / upstream / glib.git / blobdiff