From 54298f49d71347616df19b8d2f59c907374e07b3 Mon Sep 17 00:00:00 2001
From: David Kalnischkies <david@kalnischkies.de>
Date: Sat, 1 Mar 2014 22:27:11 +0100
Subject: move defines for version to macros.h

also adds namespaced attributes for good usage

Git-Dch: Ignore
---
 apt-pkg/contrib/macros.h | 84 ++++++++++++++++++++++++++++++++++++++----------
 apt-pkg/init.h           | 11 +------
 2 files changed, 68 insertions(+), 27 deletions(-)

(limited to 'apt-pkg')

diff --git a/apt-pkg/contrib/macros.h b/apt-pkg/contrib/macros.h
index e53d01b8f..294242e68 100644
--- a/apt-pkg/contrib/macros.h
+++ b/apt-pkg/contrib/macros.h
@@ -54,37 +54,87 @@
 #define CLRFLAG(v,f)	((v) &=~FLAG(f))
 #define	CHKFLAG(v,f)	((v) &  FLAG(f) ? true : false)
 
-// some nice optional GNUC features
-#if __GNUC__ >= 3
-	#define __must_check	__attribute__ ((warn_unused_result))
-	#define __deprecated	__attribute__ ((deprecated))
-	#define __attrib_const	__attribute__ ((__const__))
-	/* likely() and unlikely() can be used to mark boolean expressions
-	   as (not) likely true which will help the compiler to optimise */
+#ifdef __GNUC__
+#define APT_GCC_VERSION (__GNUC__ << 8 | __GNUC_MINOR__)
+#else
+#define APT_GCC_VERSION 0
+#endif
+
+/* 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 __must_check	/* no warn_unused_result */
-	#define __deprecated	/* no deprecated */
-	#define __attrib_const	/* no const attribute */
 	#define likely(x)	(x)
 	#define unlikely(x)	(x)
 #endif
 
+#if APT_GCC_VERSION >= 0x0300
+	#define APT_UNUSED	__attribute__((unused))
+	#define APT_CONST	__attribute__((const))
+	#define APT_PURE	__attribute__((pure))
+	#define APT_NORETURN	__attribute__((noreturn))
+	#define APT_PRINTF(n)	__attribute__((format(printf, n, n + 1)))
+#else
+	#define APT_UNUSED
+	#define APT_CONST
+	#define APT_PURE
+	#define APT_NORETURN
+	#define APT_PRINTF(n)
+#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_REQRET
+#endif
+
+#if APT_GCC_VERSION >= 0x0400
+	#define APT_SENTINEL	__attribute__((sentinel))
+#else
+	#define APT_SENTINEL
+#endif
+
 // cold functions are unlikely() to be called
-#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) || __GNUC__ > 4
-	#define __cold	__attribute__ ((__cold__))
-	#define __hot	__attribute__ ((__hot__))
+#if APT_GCC_VERSION >= 0x0403
+	#define APT_COLD	__attribute__ ((__cold__))
+	#define APT_HOT		__attribute__ ((__hot__))
 #else
-	#define __cold	/* no cold marker */
-	#define __hot	/* no hot marker */
+	#define __cold
+	#define __hot
 #endif
 
-#ifdef __GNUG__
-// Methods have a hidden this parameter that is visible to this attribute
+#ifndef APT_10_CLEANER_HEADERS
+#if APT_GCC_VERSION >= 0x0300
+	#define __must_check	__attribute__ ((warn_unused_result))
+	#define __deprecated	__attribute__ ((deprecated))
+	#define __attrib_const	__attribute__ ((__const__))
 	#define __like_printf(n)	__attribute__((format(printf, n, n + 1)))
 #else
+	#define __must_check	/* no warn_unused_result */
+	#define __deprecated	/* no deprecated */
+	#define __attrib_const	/* no const attribute */
 	#define __like_printf(n)	/* no like-printf */
 #endif
+#if APT_GCC_VERSION >= 0x0403
+	#define __cold	__attribute__ ((__cold__))
+	#define __hot	__attribute__ ((__hot__))
+#else
+	#define __cold	/* no cold marker */
+	#define __hot	/* no hot marker */
+#endif
+#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 4
+#define APT_PKG_MINOR 12
+#define APT_PKG_RELEASE 0
 
 #endif
diff --git a/apt-pkg/init.h b/apt-pkg/init.h
index b6f3df753..4ee7a95ac 100644
--- a/apt-pkg/init.h
+++ b/apt-pkg/init.h
@@ -1,6 +1,5 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: init.h,v 1.9.2.2 2004/01/02 18:51:00 mdz Exp $
 /* ######################################################################
 
    Init - Initialize the package library
@@ -17,19 +16,11 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/pkgsystem.h>
 #endif
+#include <apt-pkg/macros.h>
 
 class pkgSystem;
 class Configuration;
 
-// 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 4
-#define APT_PKG_MINOR 12
-#define APT_PKG_RELEASE 0
-    
 extern const char *pkgVersion;
 extern const char *pkgLibVersion;
 
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