Adding upstream version 2.7.12.upstream/2.7.12

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 131 insertions, 0 deletions

diff --git a/apt-pkg/contrib/macros.h b/apt-pkg/contrib/macros.h
new file mode 100644
index 0000000..c08cd24
--- /dev/null
+++ b/apt-pkg/contrib/macros.h
@@ -0,0 +1,131 @@
+// -*- mode: cpp; mode: fold -*-
+// SPDX-License-Identifier: GPL-2.0+
+// Description								/*{{{*/
+/* ######################################################################
+   
+   Macros Header - Various useful macro definitions
+
+   This file had this historic note, but now includes further changes
+   under the GPL-2.0+:
+
+   This source is placed in the Public Domain, do with it what you will
+   It was originally written by Brian C. White.
+   
+   ##################################################################### */
+									/*}}}*/
+// Private header
+#ifndef MACROS_H
+#define MACROS_H
+
+/* Useful count macro, use on an array of things and it will return the
+   number of items in the array */
+#define APT_ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+
+// Flag Macros
+#define	FLAG(f)			(1L << (f))
+#define	SETFLAG(v,f)	((v) |= FLAG(f))
+#define CLRFLAG(v,f)	((v) &=~FLAG(f))
+#define	CHKFLAG(v,f)	((v) &  FLAG(f) ? true : false)
+
+#ifdef __GNUC__
+#define APT_GCC_VERSION (__GNUC__ << 8 | __GNUC_MINOR__)
+#else
+#define APT_GCC_VERSION 0
+#endif
+
+#ifdef APT_COMPILING_APT
+/* likely() and unlikely() can be used to mark boolean expressions
+   as (not) likely true which will help the compiler to optimise */
+#if APT_GCC_VERSION >= 0x0300
+	#define likely(x)	__builtin_expect (!!(x), 1)
+	#define unlikely(x)	__builtin_expect (!!(x), 0)
+#else
+	#define likely(x)	(x)
+	#define unlikely(x)	(x)
+#endif
+#endif
+
+#if APT_GCC_VERSION >= 0x0300
+	#define APT_DEPRECATED	__attribute__ ((deprecated))
+	#define APT_DEPRECATED_MSG(X)	__attribute__ ((deprecated(X)))
+	// __attribute__((const)) is too dangerous for us, we end up using it wrongly
+	#define APT_PURE	__attribute__((pure))
+	#define APT_NORETURN	__attribute__((noreturn))
+	#define APT_PRINTF(n)	__attribute__((format(printf, n, n + 1)))
+	#define APT_WEAK        __attribute__((weak));
+	#define APT_UNUSED      __attribute__((unused))
+#else
+	#define APT_DEPRECATED
+	#define APT_DEPRECATED_MSG
+	#define APT_PURE
+	#define APT_NORETURN
+	#define APT_PRINTF(n)
+	#define APT_WEAK
+	#define APT_UNUSED
+#endif
+
+#if APT_GCC_VERSION > 0x0302
+	#define APT_NONNULL(...)	__attribute__((nonnull(__VA_ARGS__)))
+	#define APT_MUSTCHECK		__attribute__((warn_unused_result))
+#else
+	#define APT_NONNULL(...)
+	#define APT_MUSTCHECK
+#endif
+
+#if APT_GCC_VERSION >= 0x0400
+	#define APT_SENTINEL	__attribute__((sentinel))
+	#define APT_PUBLIC __attribute__ ((visibility ("default")))
+	#define APT_HIDDEN __attribute__ ((visibility ("hidden")))
+#else
+	#define APT_SENTINEL
+	#define APT_PUBLIC
+	#define APT_HIDDEN
+#endif
+
+// cold functions are unlikely() to be called
+#if APT_GCC_VERSION >= 0x0403
+	#define APT_COLD	__attribute__ ((__cold__))
+	#define APT_HOT		__attribute__ ((__hot__))
+#else
+	#define APT_COLD
+	#define APT_HOT
+#endif
+
+
+#if __GNUC__ >= 4
+	#define APT_IGNORE_DEPRECATED_PUSH \
+		_Pragma("GCC diagnostic push") \
+		_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
+	#define APT_IGNORE_DEPRECATED_POP \
+		_Pragma("GCC diagnostic pop")
+	/* gcc has various problems with this shortcut, so prefer the long form */
+	#define APT_IGNORE_DEPRECATED(XXX) \
+		APT_IGNORE_DEPRECATED_PUSH \
+		XXX \
+		APT_IGNORE_DEPRECATED_POP
+#else
+	#define APT_IGNORE_DEPRECATED_PUSH
+	#define APT_IGNORE_DEPRECATED_POP
+	#define APT_IGNORE_DEPRECATED(XXX) XXX
+#endif
+
+#if __cplusplus >= 201103L
+	#define APT_OVERRIDE override
+#else
+	#define APT_OVERRIDE /* no c++11 standard */
+#endif
+
+// These lines are extracted by the makefiles and the buildsystem
+// Increasing MAJOR or MINOR results in the need of recompiling all
+// reverse-dependencies of libapt-pkg against the new SONAME.
+// Non-ABI-Breaks should only increase RELEASE number.
+// See also buildlib/libversion.mak
+#define APT_PKG_MAJOR 6
+#define APT_PKG_MINOR 0
+#define APT_PKG_RELEASE 0
+#define APT_PKG_ABI ((APT_PKG_MAJOR * 100) + APT_PKG_MINOR)
+
+/* Should be a multiple of the common page size (4096) */
+static constexpr unsigned long long APT_BUFFER_SIZE = 64 * 1024;
+
+#endif