/usr/include/apt-pkg/macros.h is in libapt-pkg-dev 1.0.1ubuntu2.19.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | // -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
/* ######################################################################
Macros Header - Various useful macro definitions
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
// MIN_VAL(SINT16) will return -0x8000 and MAX_VAL(SINT16) = 0x7FFF
#define MIN_VAL(t) (((t)(-1) > 0) ? (t)( 0) : (t)(((1L<<(sizeof(t)*8-1)) )))
#define MAX_VAL(t) (((t)(-1) > 0) ? (t)(-1) : (t)(((1L<<(sizeof(t)*8-1))-1)))
// Min/Max functions
#if !defined(MIN)
#if defined(__HIGHC__)
#define MIN(x,y) _min(x,y)
#define MAX(x,y) _max(x,y)
#endif
// GNU C++ has a min/max operator <coolio>
#if defined(__GNUG__)
#define MIN(A,B) ((A) <? (B))
#define MAX(A,B) ((A) >? (B))
#endif
/* Templates tend to mess up existing code that uses min/max because of the
strict matching requirements */
#if !defined(MIN)
#define MIN(A,B) ((A) < (B)?(A):(B))
#define MAX(A,B) ((A) > (B)?(A):(B))
#endif
#endif
/* Bound functions, bound will return the value b within the limits a-c
bounv will change b so that it is within the limits of a-c. */
#define _bound(a,b,c) MIN(c,MAX(b,a))
#define _boundv(a,b,c) b = _bound(a,b,c)
#define ABS(a) (((a) < (0)) ?-(a) : (a))
/* Useful count macro, use on an array of things and it will return the
number of items in the array */
#define _count(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
/* 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
#if APT_GCC_VERSION >= 0x0300
#define APT_DEPRECATED __attribute__ ((deprecated))
#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_DEPRECATED
#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))
#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
#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
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