1 /* 2 * Copyright 1990 Network Computing Devices; 3 * Portions Copyright 1987 by Digital Equipment Corporation 4 * 5 * Permission to use, copy, modify, distribute, and sell this software 6 * and its documentation for any purpose is hereby granted without fee, 7 * provided that the above copyright notice appear in all copies and 8 * that both that copyright notice and this permission notice appear 9 * in supporting documentation, and that the names of Network Computing 10 * Devices or Digital not be used in advertising or publicity pertaining 11 * to distribution of the software without specific, written prior 12 * permission. Network Computing Devices or Digital make no representations 13 * about the suitability of this software for any purpose. It is provided 14 * "as is" without express or implied warranty. 15 * 16 * NETWORK COMPUTING DEVICES AND DIGITAL DISCLAIM ALL WARRANTIES WITH 17 * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES 19 * OR DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES 20 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 21 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 22 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 23 * SOFTWARE. 24 */ 25 26 /* 27 28 Copyright 1987, 1994, 1998 The Open Group 29 30 Permission to use, copy, modify, distribute, and sell this software and its 31 documentation for any purpose is hereby granted without fee, provided that 32 the above copyright notice appear in all copies and that both that 33 copyright notice and this permission notice appear in supporting 34 documentation. 35 36 The above copyright notice and this permission notice shall be included in 37 all copies or substantial portions of the Software. 38 39 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 40 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 41 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 42 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 43 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 44 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 45 46 Except as contained in this notice, the name of The Open Group shall not be 47 used in advertising or otherwise to promote the sale, use or other dealings 48 in this Software without prior written authorization from The Open Group. 49 50 */ 51 52 /* 53 * FSlib networking & os include file 54 */ 55 56 #include <X11/Xfuncs.h> 57 #include <X11/Xosdefs.h> 58 59 #ifndef WIN32 60 61 # if defined(__SCO__) || defined(__UNIXWARE__) 62 # include <stdint.h> /* For SIZE_MAX */ 63 # endif 64 65 /* 66 * makedepend screws up on #undef OPEN_MAX, so we define a new symbol 67 */ 68 69 # ifndef FS_OPEN_MAX 70 71 # ifdef _POSIX_SOURCE 72 # include <limits.h> 73 # else 74 # define _POSIX_SOURCE 75 # include <limits.h> 76 # undef _POSIX_SOURCE 77 # endif 78 # ifndef SIZE_MAX 79 # ifdef ULONG_MAX 80 # define SIZE_MAX ULONG_MAX 81 # else 82 # define SIZE_MAX UINT_MAX 83 # endif 84 # endif 85 # ifndef OPEN_MAX 86 # ifdef SVR4 87 # define OPEN_MAX 256 88 # else 89 # include <sys/param.h> 90 # ifndef OPEN_MAX 91 # ifdef __OSF1__ 92 # define OPEN_MAX 256 93 # else 94 # ifdef NOFILE 95 # define OPEN_MAX NOFILE 96 # else 97 # if !defined(__UNIXOS2__) && !defined(__QNX__) 98 # ifdef __GNU__ 99 # define OPEN_MAX (sysconf(_SC_OPEN_MAX)) 100 # else /* !__GNU__ */ 101 # define OPEN_MAX NOFILES_MAX 102 # endif /* __GNU__ */ 103 # else /* !__UNIXOS2__ && !__QNX__ */ 104 # define OPEN_MAX 256 105 # endif /* __UNIXOS2__ */ 106 # endif 107 # endif 108 # endif 109 # endif 110 # endif 111 112 # ifdef __GNU__ 113 # define FS_OPEN_MAX 256 114 # else /*!__GNU__*/ 115 # if OPEN_MAX > 256 116 # define FS_OPEN_MAX 256 117 # else 118 # define FS_OPEN_MAX OPEN_MAX 119 # endif 120 # endif /*__GNU__*/ 121 122 # endif /* FS_OPEN_MAX */ 123 124 /* Utek leaves kernel macros around in include files (bleah) */ 125 126 # ifdef dirty 127 # undef dirty 128 # endif 129 130 # define NMSKBITS 32 131 # define MSKCNT ((FS_OPEN_MAX + NMSKBITS - 1) / NMSKBITS) 132 133 # ifdef LONG64 134 typedef unsigned int FdSet[MSKCNT]; 135 # else 136 typedef unsigned long FdSet[MSKCNT]; 137 # endif 138 139 # if (MSKCNT==1) 140 # define BITMASK(i) (1 << (i)) 141 # define MASKIDX(i) 0 142 # endif 143 144 # if (MSKCNT>1) 145 # define BITMASK(i) (1 << ((i) & (NMSKBITS - 1))) 146 # define MASKIDX(i) ((i) / NMSKBITS) 147 # endif 148 149 # define MASKWORD(buf, i) buf[MASKIDX(i)] 150 # define BITSET(buf, i) MASKWORD(buf, i) |= BITMASK(i) 151 # define BITCLEAR(buf, i) MASKWORD(buf, i) &= ~BITMASK(i) 152 # define GETBIT(buf, i) (MASKWORD(buf, i) & BITMASK(i)) 153 154 # if (MSKCNT==1) 155 # define COPYBITS(src, dst) dst[0] = src[0] 156 # define CLEARBITS(buf) buf[0] = 0 157 # define MASKANDSETBITS(dst, b1, b2) dst[0] = (b1[0] & b2[0]) 158 # define ORBITS(dst, b1, b2) dst[0] = (b1[0] | b2[0]) 159 # define UNSETBITS(dst, b1) (dst[0] &= ~b1[0]) 160 # define _FSANYSET(src) (src[0]) 161 # endif 162 163 # if (MSKCNT==2) 164 # define COPYBITS(src, dst) { dst[0] = src[0]; dst[1] = src[1]; } 165 # define CLEARBITS(buf) { buf[0] = 0; buf[1] = 0; } 166 # define MASKANDSETBITS(dst, b1, b2) {\ 167 dst[0] = (b1[0] & b2[0]);\ 168 dst[1] = (b1[1] & b2[1]); } 169 # define ORBITS(dst, b1, b2) {\ 170 dst[0] = (b1[0] | b2[0]);\ 171 dst[1] = (b1[1] | b2[1]); } 172 # define UNSETBITS(dst, b1) {\ 173 dst[0] &= ~b1[0]; \ 174 dst[1] &= ~b1[1]; } 175 # define _FSANYSET(src) (src[0] || src[1]) 176 # endif 177 178 # if (MSKCNT==3) 179 # define COPYBITS(src, dst) { dst[0] = src[0]; dst[1] = src[1]; \ 180 dst[2] = src[2]; } 181 # define CLEARBITS(buf) { buf[0] = 0; buf[1] = 0; buf[2] = 0; } 182 # define MASKANDSETBITS(dst, b1, b2) {\ 183 dst[0] = (b1[0] & b2[0]);\ 184 dst[1] = (b1[1] & b2[1]);\ 185 dst[2] = (b1[2] & b2[2]); } 186 # define ORBITS(dst, b1, b2) {\ 187 dst[0] = (b1[0] | b2[0]);\ 188 dst[1] = (b1[1] | b2[1]);\ 189 dst[2] = (b1[2] | b2[2]); } 190 # define UNSETBITS(dst, b1) {\ 191 dst[0] &= ~b1[0]; \ 192 dst[1] &= ~b1[1]; \ 193 dst[2] &= ~b1[2]; } 194 # define _FSANYSET(src) (src[0] || src[1] || src[2]) 195 # endif 196 197 # if (MSKCNT==4) 198 # define COPYBITS(src, dst) dst[0] = src[0]; dst[1] = src[1]; \ 199 dst[2] = src[2]; dst[3] = src[3] 200 # define CLEARBITS(buf) buf[0] = 0; buf[1] = 0; buf[2] = 0; buf[3] = 0 201 # define MASKANDSETBITS(dst, b1, b2) \ 202 dst[0] = (b1[0] & b2[0]);\ 203 dst[1] = (b1[1] & b2[1]);\ 204 dst[2] = (b1[2] & b2[2]);\ 205 dst[3] = (b1[3] & b2[3]) 206 # define ORBITS(dst, b1, b2) \ 207 dst[0] = (b1[0] | b2[0]);\ 208 dst[1] = (b1[1] | b2[1]);\ 209 dst[2] = (b1[2] | b2[2]);\ 210 dst[3] = (b1[3] | b2[3]) 211 # define UNSETBITS(dst, b1) \ 212 dst[0] &= ~b1[0]; \ 213 dst[1] &= ~b1[1]; \ 214 dst[2] &= ~b1[2]; \ 215 dst[3] &= ~b1[3] 216 # define _FSANYSET(src) (src[0] || src[1] || src[2] || src[3]) 217 # endif 218 219 # if (MSKCNT>4) 220 # define COPYBITS(src, dst) memmove((caddr_t) dst, (caddr_t) src, sizeof(FdSet)) 221 # define CLEARBITS(buf) bzero((caddr_t) buf, sizeof(FdSet)) 222 # define MASKANDSETBITS(dst, b1, b2) \ 223 { int cri; \ 224 for (cri=0; cri<MSKCNT; cri++) \ 225 dst[cri] = (b1[cri] & b2[cri]) } 226 # define ORBITS(dst, b1, b2) \ 227 { int cri; \ 228 for (cri=0; cri<MSKCNT; cri++) \ 229 dst[cri] = (b1[cri] | b2[cri]) } 230 # define UNSETBITS(dst, b1) \ 231 { int cri; \ 232 for (cri=0; cri<MSKCNT; cri++) \ 233 dst[cri] &= ~b1[cri]; } 234 # if (MSKCNT==8) 235 # define _FSANYSET(src) (src[0] || src[1] || src[2] || src[3] || \ 236 src[4] || src[5] || src[6] || src[7]) 237 # endif 238 /* 239 * If MSKCNT>4 and not 8, then _FSANYSET is a routine defined in FSlibInt.c. 240 * 241 * #define _FSANYSET(src) (src[0] || src[1] || src[2] || src[3] || src[4] ...) 242 */ 243 # endif 244 245 246 #else 247 248 # include <X11/Xwinsock.h> 249 # include <X11/Xw32defs.h> 250 251 typedef fd_set FdSet; 252 253 # define CLEARBITS(set) FD_ZERO(&set) 254 # define BITSET(set,s) FD_SET(s,&set) 255 # define _FSANYSET(set) set.fd_count 256 257 #endif 258 259 #include <X11/Xtrans/Xtrans.h> 260 #include <stdlib.h> 261 #include <string.h> 262 263 /* 264 * The following definitions can be used for locking requests in multi-threaded 265 * address spaces. 266 */ 267 #define LockDisplay(dis) 268 #define LockMutex(mutex) 269 #define UnlockMutex(mutex) 270 #define UnlockDisplay(dis) 271 #define FSfree(ptr) free((ptr)) 272 273 274 /* 275 * Note that some machines do not return a valid pointer for malloc(0), in 276 * which case we provide an alternate under the control of the 277 * define MALLOC_0_RETURNS_NULL. This is necessary because some 278 * FSlib code expects malloc(0) to return a valid pointer to storage. 279 */ 280 281 #ifdef MALLOC_0_RETURNS_NULL 282 # define FSmalloc(size) malloc(((size) > 0 ? (size) : 1)) 283 # define FSrealloc(ptr, size) realloc((ptr), ((size) > 0 ? (size) : 1)) 284 # define FScalloc(nelem, elsize) calloc(((nelem) > 0 ? (nelem) : 1), (elsize)) 285 286 #else 287 288 # define FSmalloc(size) malloc((size)) 289 # define FSrealloc(ptr, size) realloc((ptr), (size)) 290 # define FScalloc(nelem, elsize) calloc((nelem), (elsize)) 291 #endif 292 293 #define SearchString(string, char) index((string), (char)) 294