/* 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
#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 double gdouble;
/* Define min and max constants for the fixed size numerical types */
-#define G_MININT8 ((gint8) -0x80)
+/**
+ * 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)
-#define G_MININT16 ((gint16) -0x8000)
+/**
+ * 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)
-#define G_MININT32 ((gint32) -0x80000000)
+/**
+ * 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)
-#define G_MININT64 ((gint64) G_GINT64_CONSTANT(-0x8000000000000000))
+/**
+ * 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)
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 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+.
+ * not currently used in GLib or GTK.
*/
typedef void (*GFreeFunc) (gpointer data);
#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 ((gint32) (val)))
-# define GUINT64_SWAP_LE_BE(val) ((guint64) __builtin_bswap64 ((gint64) (val)))
+# 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__)
/* Overflow-checked unsigned integer arithmetic
*/
#ifndef _GLIB_TEST_OVERFLOW_FALLBACK
-#if __GNUC__ >= 5
+/* https://bugzilla.gnome.org/show_bug.cgi?id=769104 */
+#if __GNUC__ >= 5 && !defined(__INTEL_COMPILER)
#define _GLIB_HAVE_BUILTIN_OVERFLOW_CHECKS
-#elif __has_builtin(__builtin_uadd_overflow)
+#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) \
- _GLIB_CHECKED_ADD_U32(dest, a, b)
+ (!__builtin_add_overflow(a, b, dest))
#define g_uint_checked_mul(dest, a, b) \
- _GLIB_CHECKED_MUL_U32(dest, a, b)
+ (!__builtin_mul_overflow(a, b, dest))
#define g_uint64_checked_add(dest, a, b) \
- _GLIB_CHECKED_ADD_U64(dest, a, b)
+ (!__builtin_add_overflow(a, b, dest))
#define g_uint64_checked_mul(dest, a, b) \
- _GLIB_CHECKED_MUL_U64(dest, a, b)
+ (!__builtin_mul_overflow(a, b, dest))
-#if GLIB_SIZEOF_SIZE_T == 8
-#define g_size_checked_add(dest, a, b) \
- _GLIB_CHECKED_ADD_U64(dest, a, b)
-#define g_size_checked_mul(dest, a, b) \
- _GLIB_CHECKED_MUL_U64(dest, a, b)
-#else
#define g_size_checked_add(dest, a, b) \
- _GLIB_CHECKED_ADD_U32(dest, a, b)
+ (!__builtin_add_overflow(a, b, dest))
#define g_size_checked_mul(dest, a, b) \
- _GLIB_CHECKED_MUL_U32(dest, a, b)
-#endif
+ (!__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.
*/
-#ifdef _GLIB_HAVE_BUILTIN_OVERFLOW_CHECKS
-static inline gboolean _GLIB_CHECKED_ADD_U32 (guint32 *dest, guint32 a, guint32 b) {
- return !__builtin_uadd_overflow(a, b, dest); }
-static inline gboolean _GLIB_CHECKED_MUL_U32 (guint32 *dest, guint32 a, guint32 b) {
- return !__builtin_umul_overflow(a, b, dest); }
-static inline gboolean _GLIB_CHECKED_ADD_U64 (guint64 *dest, guint64 a, guint64 b) {
- G_STATIC_ASSERT(sizeof (unsigned long long) == sizeof (guint64));
- return !__builtin_uaddll_overflow(a, b, (unsigned long long *) dest); }
-static inline gboolean _GLIB_CHECKED_MUL_U64 (guint64 *dest, guint64 a, guint64 b) {
- return !__builtin_umulll_overflow(a, b, (unsigned long long *) dest); }
-#else
-static inline gboolean _GLIB_CHECKED_ADD_U32 (guint32 *dest, guint32 a, guint32 b) {
+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_U32 (guint32 *dest, guint32 a, guint32 b) {
+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_U64 (guint64 *dest, guint64 a, guint64 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_U64 (guint64 *dest, guint64 a, guint64 b) {
+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; }
-#endif
+
+#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):
*
#error unknown ENDIAN type
#endif /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */
-typedef struct _GTimeVal GTimeVal;
+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);
-G_END_DECLS
+typedef gint grefcount;
+typedef gint gatomicrefcount; /* should be accessed only using atomics */
-/* We prefix variable declarations so they can
- * properly get exported in Windows DLLs.
- */
-#ifndef GLIB_VAR
-# ifdef G_PLATFORM_WIN32
-# ifdef GLIB_STATIC_COMPILATION
-# define GLIB_VAR extern
-# else /* !GLIB_STATIC_COMPILATION */
-# ifdef GLIB_COMPILATION
-# ifdef DLL_EXPORT
-# define GLIB_VAR __declspec(dllexport)
-# else /* !DLL_EXPORT */
-# define GLIB_VAR extern
-# endif /* !DLL_EXPORT */
-# else /* !GLIB_COMPILATION */
-# define GLIB_VAR extern __declspec(dllimport)
-# endif /* !GLIB_COMPILATION */
-# endif /* !GLIB_STATIC_COMPILATION */
-# else /* !G_PLATFORM_WIN32 */
-# define GLIB_VAR _GLIB_EXTERN
-# endif /* !G_PLATFORM_WIN32 */
-#endif /* GLIB_VAR */
+G_END_DECLS
#endif /* __G_TYPES_H__ */
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