183 lines
6.6 KiB
C
183 lines
6.6 KiB
C
/* $Xorg: misc.h,v 1.4 2001/02/09 02:05:44 xorgcvs Exp $ */
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/*
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Copyright 1990, 1991, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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* Copyright 1990, 1991 Network Computing Devices;
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* Portions Copyright 1987 by Digital Equipment Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the names of Network Computing Devices, or Digital
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* not be used in advertising or publicity pertaining to distribution
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* of the software without specific, written prior permission.
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*
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* NETWORK COMPUTING DEVICES, AND DIGITAL DISCLAIM ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES,
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* OR DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
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* THIS SOFTWARE.
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*/
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/* $XFree86: xc/programs/xfs/include/misc.h,v 3.8 2001/07/25 15:05:21 dawes Exp $ */
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#ifndef _MISC_H_
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#define _MISC_H_
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#include <X11/Xosdefs.h>
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#include <X11/Xfuncs.h>
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#include <X11/Xdefs.h>
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#include "assert.h" /* so its everywhere */
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#ifndef NULL
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#include <stddef.h>
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#endif
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#define MAXCLIENTS 128
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#define MILLI_PER_SECOND (1000)
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#define MILLI_PER_MINUTE (1000 * 60)
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#ifndef TRUE
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#define TRUE 1
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#define FALSE 0
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#endif
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#define min(a, b) (((a) < (b)) ? (a) : (b))
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#define max(a, b) (((a) > (b)) ? (a) : (b))
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#include "os.h"
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#define lowbit(x) ((x) & (~(x) + 1))
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/* byte swapping helpers */
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/* byte swap a long literal */
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#define lswapl(x) ((((x) & 0xff) << 24) |\
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(((x) & 0xff00) << 8) |\
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(((x) & 0xff0000) >> 8) |\
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(((x) >> 24) & 0xff))
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/* byte swap a short literal */
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#define lswaps(x) ((((x) & 0xff) << 8) | (((x) >> 8) & 0xff))
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/* byte swap a long */
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#define swapl(x, n) n = ((char *) (x))[0];\
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((char *) (x))[0] = ((char *) (x))[3];\
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((char *) (x))[3] = n;\
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n = ((char *) (x))[1];\
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((char *) (x))[1] = ((char *) (x))[2];\
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((char *) (x))[2] = n;
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/* byte swap a short */
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#define swaps(x, n) n = ((char *) (x))[0];\
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((char *) (x))[0] = ((char *) (x))[1];\
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((char *) (x))[1] = n
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/* copy long from src to dst byteswapping on the way */
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#define cpswapl(src, dst) \
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((char *)&(dst))[0] = ((char *) &(src))[3];\
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((char *)&(dst))[1] = ((char *) &(src))[2];\
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((char *)&(dst))[2] = ((char *) &(src))[1];\
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((char *)&(dst))[3] = ((char *) &(src))[0];
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/* copy short from src to dst byteswapping on the way */
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#define cpswaps(src, dst)\
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((char *) &(dst))[0] = ((char *) &(src))[1];\
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((char *) &(dst))[1] = ((char *) &(src))[0];
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#if 0
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extern void NoopDDA(void);
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extern char *NameForAtom(Atom atom);
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#endif
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extern void BitOrderInvert(unsigned char *buf, int nbytes);
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#if !defined(UNIXCPP) || defined(ANSICPP)
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#define fsCat(x,y) x##_##y
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#else
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#define fsCat(x,y) x/**/_/**/y
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#endif
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/* copy a xCharInfo into a XCharInfo */
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#define fsPack_XCharInfo(structure, packet) \
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fsCat(packet,left) = (structure)->leftSideBearing; \
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fsCat(packet,right) = (structure)->rightSideBearing; \
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fsCat(packet,width) = (structure)->characterWidth; \
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fsCat(packet,ascent) = (structure)->ascent; \
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fsCat(packet,descent) = (structure)->descent; \
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fsCat(packet,attributes) = (structure)->attributes
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/* copy a FontInfoRec into a XFontInfoHeader */
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#define fsPack_XFontInfoHeader(structure, packet, clientversion) \
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(packet)->font_header_flags = ((structure)->allExist) ? FontInfoAllCharsExist : 0; \
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(packet)->font_header_draw_direction = ((structure)->drawDirection == LeftToRight) \
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? LeftToRightDrawDirection : RightToLeftDrawDirection; \
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\
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if ((structure)->inkInside) \
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(packet)->font_header_flags |= FontInfoInkInside; \
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\
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if (clientversion > 1) { \
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(packet)->font_hdr_char_range_min_char_high = (structure)->firstRow; \
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(packet)->font_hdr_char_range_min_char_low = (structure)->firstCol; \
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(packet)->font_hdr_char_range_max_char_high = (structure)->lastRow; \
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(packet)->font_hdr_char_range_max_char_low = (structure)->lastCol; \
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(packet)->font_header_default_char_high = (structure)->defaultCh >> 8; \
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(packet)->font_header_default_char_low = (structure)->defaultCh & 0xff; \
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} else { \
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(packet)->font_hdr_char_range_min_char_high = (structure)->firstCol; \
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(packet)->font_hdr_char_range_min_char_low = (structure)->firstRow; \
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(packet)->font_hdr_char_range_max_char_high = (structure)->lastCol; \
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(packet)->font_hdr_char_range_max_char_low = (structure)->lastRow; \
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(packet)->font_header_default_char_high = (structure)->defaultCh & 0xff; \
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(packet)->font_header_default_char_low = (structure)->defaultCh >> 8; \
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} \
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\
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fsPack_XCharInfo(&(structure)->ink_minbounds, (packet)->font_header_min_bounds); \
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fsPack_XCharInfo(&(structure)->ink_maxbounds, (packet)->font_header_max_bounds); \
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\
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(packet)->font_header_font_ascent = (structure)->fontAscent; \
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(packet)->font_header_font_descent = (structure)->fontDescent
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typedef struct { /* when cloning, need old transport info */
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int trans_id;
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int fd;
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int portnum;
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} OldListenRec;
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/* os/connection.c */
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extern void CreateSockets(int old_listen_count, OldListenRec *old_listen);
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#endif /* _MISC_H_ */
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