/usr/include/pixrect/pr_impl_util.h is in xviewg-dev 3.2p1.4-28.1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 | /* @(#)pr_impl_util.h 1.10 89/05/19 SMI */
/*
* Copyright 1987-1989 Sun Microsystems, Inc.
*/
/*
* Pixrect implementation utilities
*/
#ifndef pr_impl_util_DEFINED
#define pr_impl_util_DEFINED
/* Reiser cpp concatenation macros */
#ifndef _CAT
# ifdef __STDC__
# define _CAT(a,b) a ## b
# else /* __STDC__ */
# undef _IDENT
# define _IDENT(x) x
# define _CAT(a,b) _IDENT(a)b
# endif /* __STDC__ */
#endif /* _CAT */
/*
* code selection macros
*/
#define IFTRUE(a,b) a
#define IFFALSE(a,b) b
/* and together multiple options */
#define IFAND IFAND2
#define IFAND2(opt1,opt2,a,b) opt1(opt2(a,b),b)
#define IFAND3(opt1,opt2,opt3,a,b) opt1(opt2(opt3(a,b),b),b)
#define IFAND4(opt1,opt2,opt3,opt4,a,b) opt1(opt2(opt3(opt4(a,b),b),b),b)
#define IFAND5(opt1,opt2,opt3,opt4,opt5,a,b) \
opt1(opt2(opt3(opt4(opt5(a,b),b),b),b),b)
#define IFAND6(opt1,opt2,opt3,opt4,opt5,opt6,a,b) \
opt1(opt2(opt3(opt4(opt5(opt6(a,b),b),b),b),b),b)
#ifdef KERNEL
#define IFKERNEL IFTRUE
#else
#define IFKERNEL IFFALSE
#endif
/*
* lint garbage
*/
#ifdef lint
#define IFLINT IFTRUE
int _ZERO_; /* "constant in conditional context" workaround */
#define _ONE_ (!_ZERO_)
int _loop; /* "_loop redefinition hides earlier one" */
#else /* lint */
#define IFLINT IFFALSE
#define _ZERO_ 0
#define _ONE_ 1
#endif /* lint */
/*
* portability aids
*/
#ifdef mc68000
#define IF68000 IFTRUE
typedef caddr_t INT_T; /* pseudo-integer type (address register) */
typedef u_long PTR_T; /* pseudo-pointer type (data register) */
typedef short LOOP_T; /* loop variable (for dbra loops) */
#define LOOP_DECR(var) (--(var) != -1)
#else /* mc68000 */
#define IF68000 IFFALSE
typedef int INT_T;
typedef caddr_t PTR_T;
typedef int LOOP_T;
#define LOOP_DECR(var) (--(var) >= 0)
#endif /* mc68000 */
#ifdef sparc
#define IFSPARC IFTRUE
#else
#define IFSPARC IFFALSE
#endif
/* true if we can make 32 bit accesses on 16 bit boundaries */
#ifndef SHORT_ALIGN
#define SHORT_ALIGN (!defined(sparc))
#endif
#if SHORT_ALIGN
#define IFSHORT_ALIGN IFTRUE
#else
#define IFSHORT_ALIGN IFFALSE
#endif
#ifndef LITTLE_ENDIAN
#define LITTLE_ENDIAN defined(i386)
#endif
#if LITTLE_ENDIAN
#define ENDIAN IFTRUE
#else
#define ENDIAN IFFALSE
#endif
/*
* SunOS release number
* warning: these tests are fragile
*/
#if defined(sun) && !defined(SUNOS)
#ifdef _sys_types_h
#define SUNOS 41
#else /* _sys_types_h */
#ifdef NFDBITS
#define SUNOS 40
#else /* NFDBITS */
#define SUNOS 35
#endif /* NFDBITS */
#endif /* _sys_types_h */
#endif
#if SUNOS >= 40
#define IFSUNOS4 IFTRUE
#else
#define IFSUNOS4 IFFALSE
#endif
#if SUNOS >= 41
#define IFSUNOS41 IFTRUE
#else
#define IFSUNOS41 IFFALSE
#endif
/*
* misc. macros
*/
/* statement macro */
#define _STMT(op) do { op } while (_ZERO_)
/* loop macros */
#define PR_LOOPVP(var, op) do { op; } while (LOOP_DECR(var))
#define PR_LOOPV(var, op) _STMT(while (LOOP_DECR(var)) { op; })
#define PR_LOOPP(count, op) _STMT( \
IFLINT(, register LOOP_T) _loop = (count); PR_LOOPVP(_loop, op);)
#define PR_LOOP(count, op) _STMT( \
IFLINT(, register LOOP_T) _loop = (count); PR_LOOPV(_loop, op);)
/* pointer manipulation */
#define PTR_ADD(p, incr) ((caddr_t) (p) + (incr))
#define PTR_INCR(type, p, incr) (p = (type) ((caddr_t) (p) + (incr)))
/* unshifted pixrect op codes */
#define PIX_OPSRC (12)
#define PIX_OPDST (10)
#define PIX_OPNOT(op) ((op) ^ 15)
#define PIX_OPCLR (0)
#define PIX_OPSET (15)
/* extract color and op code fields */
#define PIXOP_COLOR(op) ((op) >> 5)
#define PIXOP_OP(op) ((op) >> 1 & 15)
/* reverse video src or dst */
#define PIX_OP_REVERSESRC(op) (((op) & 3) << 2 | (op) >> 2 & 3)
#define PIX_OP_REVERSEDST(op) ((~(op) & 5) << 1 | ~(op) >> 1 & 0x5)
/* determine if op needs src or dst */
#define PIX_OP_NEEDS_SRC(op) (((op) >> 2 ^ (op)) & 3)
#define PIX_OP_NEEDS_DST(op) (((op) >> 1 ^ (op)) & 5)
/* misc. data types */
typedef short MPR_T; /* type used for memory pixrect data */
typedef u_short UMPR_T; /* unsigned equivalent of MPR_T */
#endif /* pr_impl_util_DEFINED */
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