fslibos.h revision 23a0898a 
1/* $Xorg: fslibos.h,v 1.4 2001/02/09 02:04:03 xorgcvs Exp $ */
2/*
3 * Copyright 1990 Network Computing Devices;
4 * Portions Copyright 1987 by Digital Equipment Corporation
5 */
6
7/*
8
9Copyright 1987, 1994, 1998  The Open Group
10
11Permission to use, copy, modify, distribute, and sell this software and its
12documentation for any purpose is hereby granted without fee, provided that
13the above copyright notice appear in all copies and that both that
14copyright notice and this permission notice appear in supporting
15documentation.
16
17The above copyright notice and this permission notice shall be included
18in all copies or substantial portions of the Software.
19
20THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
24OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26OTHER DEALINGS IN THE SOFTWARE.
27
28Except as contained in this notice, the name of The Open Group shall
29not be used in advertising or otherwise to promote the sale, use or
30other dealings in this Software without prior written authorization
31from The Open Group.
32
33*/
34/* $XFree86: xc/lib/font/fc/fslibos.h,v 3.8 2003/08/29 18:01:14 herrb Exp $ */
35
36/*
37 * FSlib networking & os include file
38 */
39
40#include <X11/Xtrans/Xtrans.h>
41
42#ifndef WIN32
43
44/*
45 * makedepend screws up on #undef OPEN_MAX, so we define a new symbol
46 */
47
48#ifndef FONT_OPEN_MAX
49
50#ifndef X_NOT_POSIX
51# ifdef _POSIX_SOURCE
52#  include <limits.h>
53# else
54#  define _POSIX_SOURCE
55#  include <limits.h>
56#  undef _POSIX_SOURCE
57# endif
58#endif
59#ifndef SIZE_MAX
60# ifdef ULONG_MAX
61#  define SIZE_MAX ULONG_MAX
62# else
63#  define SIZE_MAX UINT_MAX
64# endif
65#endif
66#ifndef OPEN_MAX
67#if defined(SVR4) || defined(__UNIXOS2__)
68#define OPEN_MAX 256
69#else
70#include <sys/param.h>
71#ifndef OPEN_MAX
72#ifdef __OSF1__
73#define OPEN_MAX 256
74#else
75#ifdef NOFILE
76#define OPEN_MAX NOFILE
77#else
78#define OPEN_MAX NOFILES_MAX
79#endif
80#endif
81#endif
82#endif
83#endif
84
85#if OPEN_MAX > 256
86#define FONT_OPEN_MAX 256
87#else
88#define FONT_OPEN_MAX OPEN_MAX
89#endif
90
91#endif /* FONT_OPEN_MAX */
92
93#ifdef WORD64
94#define NMSKBITS 64
95#else
96#define NMSKBITS 32
97#endif
98
99#define MSKCNT ((FONT_OPEN_MAX + NMSKBITS - 1) / NMSKBITS)
100
101typedef unsigned long FdSet[MSKCNT];
102typedef FdSet FdSetPtr;
103
104#if (MSKCNT==1)
105#define BITMASK(i) (1 << (i))
106#define MASKIDX(i) 0
107#endif
108
109#if (MSKCNT>1)
110#define BITMASK(i) (1 << ((i) & (NMSKBITS - 1)))
111#define MASKIDX(i) ((i) / NMSKBITS)
112#endif
113
114#define MASKWORD(buf, i) buf[MASKIDX(i)]
115#define BITSET(buf, i) MASKWORD(buf, i) |= BITMASK(i)
116#define BITCLEAR(buf, i) MASKWORD(buf, i) &= ~BITMASK(i)
117#define GETBIT(buf, i) (MASKWORD(buf, i) & BITMASK(i))
118
119#if (MSKCNT==1)
120#define COPYBITS(src, dst) dst[0] = src[0]
121#define CLEARBITS(buf) buf[0] = 0
122#define MASKANDSETBITS(dst, b1, b2) dst[0] = (b1[0] & b2[0])
123#define ORBITS(dst, b1, b2) dst[0] = (b1[0] | b2[0])
124#define UNSETBITS(dst, b1) (dst[0] &= ~b1[0])
125#define ANYSET(src) (src[0])
126#endif
127
128#if (MSKCNT==2)
129#define COPYBITS(src, dst) { dst[0] = src[0]; dst[1] = src[1]; }
130#define CLEARBITS(buf) { buf[0] = 0; buf[1] = 0; }
131#define MASKANDSETBITS(dst, b1, b2)  {\
132		      dst[0] = (b1[0] & b2[0]);\
133		      dst[1] = (b1[1] & b2[1]); }
134#define ORBITS(dst, b1, b2)  {\
135		      dst[0] = (b1[0] | b2[0]);\
136		      dst[1] = (b1[1] | b2[1]); }
137#define UNSETBITS(dst, b1) {\
138                      dst[0] &= ~b1[0]; \
139                      dst[1] &= ~b1[1]; }
140#define ANYSET(src) (src[0] || src[1])
141#endif
142
143#if (MSKCNT==3)
144#define COPYBITS(src, dst) { dst[0] = src[0]; dst[1] = src[1]; \
145			     dst[2] = src[2]; }
146#define CLEARBITS(buf) { buf[0] = 0; buf[1] = 0; buf[2] = 0; }
147#define MASKANDSETBITS(dst, b1, b2)  {\
148		      dst[0] = (b1[0] & b2[0]);\
149		      dst[1] = (b1[1] & b2[1]);\
150		      dst[2] = (b1[2] & b2[2]); }
151#define ORBITS(dst, b1, b2)  {\
152		      dst[0] = (b1[0] | b2[0]);\
153		      dst[1] = (b1[1] | b2[1]);\
154		      dst[2] = (b1[2] | b2[2]); }
155#define UNSETBITS(dst, b1) {\
156                      dst[0] &= ~b1[0]; \
157                      dst[1] &= ~b1[1]; \
158                      dst[2] &= ~b1[2]; }
159#define ANYSET(src) (src[0] || src[1] || src[2])
160#endif
161
162#if (MSKCNT==4)
163#define COPYBITS(src, dst) dst[0] = src[0]; dst[1] = src[1]; \
164			   dst[2] = src[2]; dst[3] = src[3]
165#define CLEARBITS(buf) buf[0] = 0; buf[1] = 0; buf[2] = 0; buf[3] = 0
166#define MASKANDSETBITS(dst, b1, b2)  \
167                      dst[0] = (b1[0] & b2[0]);\
168                      dst[1] = (b1[1] & b2[1]);\
169                      dst[2] = (b1[2] & b2[2]);\
170                      dst[3] = (b1[3] & b2[3])
171#define ORBITS(dst, b1, b2)  \
172                      dst[0] = (b1[0] | b2[0]);\
173                      dst[1] = (b1[1] | b2[1]);\
174                      dst[2] = (b1[2] | b2[2]);\
175                      dst[3] = (b1[3] | b2[3])
176#define UNSETBITS(dst, b1) \
177                      dst[0] &= ~b1[0]; \
178                      dst[1] &= ~b1[1]; \
179                      dst[2] &= ~b1[2]; \
180                      dst[3] &= ~b1[3]
181#define ANYSET(src) (src[0] || src[1] || src[2] || src[3])
182#endif
183
184#if (MSKCNT>4)
185#define COPYBITS(src, dst) memmove((caddr_t) dst, (caddr_t) src,\
186				   MSKCNT*sizeof(long))
187#define CLEARBITS(buf) bzero((caddr_t) buf, MSKCNT*sizeof(long))
188#define MASKANDSETBITS(dst, b1, b2)  \
189		      { int cri;			\
190			for (cri=MSKCNT; --cri>=0; )	\
191		          dst[cri] = (b1[cri] & b2[cri]); }
192#define ORBITS(dst, b1, b2)  \
193		      { int cri;			\
194		      for (cri=MSKCNT; --cri>=0; )	\
195		          dst[cri] = (b1[cri] | b2[cri]); }
196#define UNSETBITS(dst, b1) \
197		      { int cri;			\
198		      for (cri=MSKCNT; --cri>=0; )	\
199		          dst[cri] &= ~b1[cri];  }
200#if (MSKCNT==8)
201#define ANYSET(src) (src[0] || src[1] || src[2] || src[3] || \
202		     src[4] || src[5] || src[6] || src[7])
203#endif
204#endif
205
206#else /* not WIN32 */
207
208#include <X11/Xwinsock.h>
209#include <X11/Xw32defs.h>
210
211typedef fd_set FdSet;
212typedef FdSet *FdSetPtr;
213
214#define CLEARBITS(set) FD_ZERO(&set)
215#define BITSET(set,s) FD_SET(s,&set)
216#define BITCLEAR(set,s) FD_CLR(s,&set)
217#define GETBIT(set,s) FD_ISSET(s,&set)
218#define ANYSET(set) set->fd_count
219
220#endif
221