/* * cslibint.h -- low level I/O * * (c) Copyright 1993-1994 Adobe Systems Incorporated. * All rights reserved. * * Permission to use, copy, modify, distribute, and sublicense this software * and its documentation for any purpose and without fee is hereby granted, * provided that the above copyright notices appear in all copies and that * both those copyright notices and this permission notice appear in * supporting documentation and that the name of Adobe Systems Incorporated * not be used in advertising or publicity pertaining to distribution of the * software without specific, written prior permission. No trademark license * to use the Adobe trademarks is hereby granted. If the Adobe trademark * "Display PostScript"(tm) is used to describe this software, its * functionality or for any other purpose, such use shall be limited to a * statement that this software works in conjunction with the Display * PostScript system. Proper trademark attribution to reflect Adobe's * ownership of the trademark shall be given whenever any such reference to * the Display PostScript system is made. * * ADOBE MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THE SOFTWARE FOR * ANY PURPOSE. IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY. * ADOBE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NON- INFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL ADOBE BE LIABLE * TO YOU OR ANY OTHER PARTY FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER WHETHER IN AN ACTION OF CONTRACT, * NEGLIGENCE, STRICT LIABILITY OR ANY OTHER ACTION ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ADOBE WILL NOT * PROVIDE ANY TRAINING OR OTHER SUPPORT FOR THE SOFTWARE. * * Adobe, PostScript, and Display PostScript are trademarks of Adobe Systems * Incorporated which may be registered in certain jurisdictions * * Portions Copyright 1984, 1985, 1987, 1989 Massachusetts Institute of * Technology * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of M.I.T. not be used in advertising or * publicity pertaining to distribution of the software without specific, * written prior permission. M.I.T. makes no representations about the * suitability of this software for any purpose. It is provided "as is" * without express or implied warranty. * * Author: Adobe Systems Incorporated and MIT X Consortium */ /* $XFree86: xc/lib/dps/cslibint.h,v 1.4 2001/07/25 15:04:54 dawes Exp $ */ /* * XlibInternal.h - Header definition and support file for the internal * support routines (XlibInternal) used by the C subroutine interface * library (Xlib) to the X Window System. * * Warning, there be dragons here.... */ #ifndef _CSLIBINT_H #define _CSLIBINT_H #include #include /* For SYSV, no gethostname, so fake it */ #include #if defined(SCO) || defined(SCO325) /* SCO systems define MAXHOSTNAMELEN here */ #include #endif #ifndef MAXHOSTNAMELEN #define MAXHOSTNAMELEN 64 #endif /* === MACROS === */ /* * GetReq - Get the next avilable X request packet in the buffer and * return it. * * "name" is the name of the request, e.g. CreatePixmap, OpenFont, etc. * "req" is the name of the request pointer. * */ #if !defined(UNIXCPP) #define NXMacroGetReq(name, req) \ WORD64ALIGN\ if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\ {if (dpy != xdpy) N_XFlush(dpy); else _XFlush(dpy);}\ req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\ req->reqType = X_##name;\ req->length = (SIZEOF(x##name##Req))>>2;\ dpy->bufptr += SIZEOF(x##name##Req);\ dpy->request++ #else /* non-ANSI C uses empty comment instead of "##" for token concatenation */ #define NXMacroGetReq(name, req) \ WORD64ALIGN\ if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\ {if (dpy != xdpy) N_XFlush(dpy); else _XFlush(dpy);}\ req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\ req->reqType = X_/**/name;\ req->length = (SIZEOF(x/**/name/**/Req))>>2;\ dpy->bufptr += SIZEOF(x/**/name/**/Req);\ dpy->request++ #endif #ifdef NEEDFORNX /* GetReqExtra is the same as GetReq, but allocates "n" additional bytes after the request. "n" must be a multiple of 4! */ #if !defined(UNIXCPP) #define GetReqExtra(name, n, req) \ WORD64ALIGN\ if ((dpy->bufptr + SIZEOF(x##name##Req) + n) > dpy->bufmax)\ _XFlush(dpy);\ req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\ req->reqType = X_##name;\ req->length = (SIZEOF(x##name##Req) + n)>>2;\ dpy->bufptr += SIZEOF(x##name##Req) + n;\ dpy->request++ #else #define GetReqExtra(name, n, req) \ WORD64ALIGN\ if ((dpy->bufptr + SIZEOF(x/**/name/**/Req) + n) > dpy->bufmax)\ _XFlush(dpy);\ req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\ req->reqType = X_/**/name;\ req->length = (SIZEOF(x/**/name/**/Req) + n)>>2;\ dpy->bufptr += SIZEOF(x/**/name/**/Req) + n;\ dpy->request++ #endif /* * GetResReq is for those requests that have a resource ID * (Window, Pixmap, GContext, etc.) as their single argument. * "rid" is the name of the resource. */ #if !defined(UNIXCPP) #define GetResReq(name, rid, req) \ WORD64ALIGN\ if ((dpy->bufptr + SIZEOF(xResourceReq)) > dpy->bufmax)\ _XFlush(dpy);\ req = (xResourceReq *) (dpy->last_req = dpy->bufptr);\ req->reqType = X_##name;\ req->length = 2;\ req->id = (rid);\ dpy->bufptr += SIZEOF(xResourceReq);\ dpy->request++ #else #define GetResReq(name, rid, req) \ WORD64ALIGN\ if ((dpy->bufptr + SIZEOF(xResourceReq)) > dpy->bufmax)\ _XFlush(dpy);\ req = (xResourceReq *) (dpy->last_req = dpy->bufptr);\ req->reqType = X_/**/name;\ req->length = 2;\ req->id = (rid);\ dpy->bufptr += SIZEOF(xResourceReq);\ dpy->request++ #endif /* * GetEmptyReq is for those requests that have no arguments * at all. */ #if !defined(UNIXCPP) #define GetEmptyReq(name, req) \ WORD64ALIGN\ if ((dpy->bufptr + SIZEOF(xReq)) > dpy->bufmax)\ _XFlush(dpy);\ req = (xReq *) (dpy->last_req = dpy->bufptr);\ req->reqType = X_##name;\ req->length = 1;\ dpy->bufptr += SIZEOF(xReq);\ dpy->request++ #else #define GetEmptyReq(name, req) \ WORD64ALIGN\ if ((dpy->bufptr + SIZEOF(xReq)) > dpy->bufmax)\ _XFlush(dpy);\ req = (xReq *) (dpy->last_req = dpy->bufptr);\ req->reqType = X_/**/name;\ req->length = 1;\ dpy->bufptr += SIZEOF(xReq);\ dpy->request++ #endif #define SyncHandle() \ if (dpy->synchandler) (*dpy->synchandler)(dpy) #define FlushGC(dpy, gc) \ if ((gc)->dirty) _XFlushGCCache((dpy), (gc)) /* * Data - Place data in the buffer and pad the end to provide * 32 bit word alignment. Transmit if the buffer fills. * * "dpy" is a pointer to a Display. * "data" is a pinter to a data buffer. * "len" is the length of the data buffer. * we can presume buffer less than 2^16 bytes, so bcopy can be used safely. */ #ifndef DataRoutineIsProcedure #define Data(dpy, data, len) \ if (dpy->bufptr + (len) <= dpy->bufmax) {\ bcopy(data, dpy->bufptr, (int)len);\ dpy->bufptr += ((len) + 3) & ~3;\ } else\ _XSend(dpy, data, len) #endif /* DataRoutineIsProcedure */ /* Allocate bytes from the buffer. No padding is done, so if * the length is not a multiple of 4, the caller must be * careful to leave the buffer aligned after sending the * current request. * * "type" is the type of the pointer being assigned to. * "ptr" is the pointer being assigned to. * "n" is the number of bytes to allocate. * * Example: * xTextElt *elt; * BufAlloc (xTextElt *, elt, nbytes) */ #define BufAlloc(type, ptr, n) \ if (dpy->bufptr + (n) > dpy->bufmax) \ _XFlush (dpy); \ ptr = (type) dpy->bufptr; \ dpy->bufptr += (n); /* * provide emulation routines for smaller architectures */ #ifndef WORD64 #define Data16(dpy, data, len) Data((dpy), (char *)(data), (len)) #define Data32(dpy, data, len) Data((dpy), (char *)(data), (len)) #define _XRead16Pad(dpy, data, len) _XReadPad((dpy), (char *)(data), (len)) #define _XRead16(dpy, data, len) _XRead((dpy), (char *)(data), (len)) #define _XRead32(dpy, data, len) _XRead((dpy), (char *)(data), (len)) #endif /* not WORD64 */ #define PackData16(dpy,data,len) Data16 (dpy, data, len) #define PackData32(dpy,data,len) Data32 (dpy, data, len) /* Xlib manual is bogus */ #define PackData(dpy,data,len) PackData16 (dpy, data, len) #endif /* NEEDFORNX */ #if !defined(STARTITERATE) && !defined(WORD64) #define STARTITERATE(tpvar,type,start,endcond,decr) \ for (tpvar = (type *) start; endcond; tpvar++, decr) { #define ENDITERATE } #endif /* STARTITERATE */ #ifndef WORD64 #undef Data32 #define Data32(dpy, data, len) NXProcData((dpy), (char *)(data), (len)) #endif /* not WORD64 */ extern int gNXSyncGCMode; /* extension hooks */ extern Bool N_XUnknownWireEvent(Display *, XEvent *, xEvent *); extern Status N_XReply(Display *, xReply *, int, Bool); extern Status N_XUnknownNativeEvent(Display *, XEvent *, xEvent *); extern int DPSCAPConnect( char *, char **, int *, int *, int *, char **); extern int N_XDisconnectDisplay(int); extern int N_XGetHostname (char *, int); extern int N_XRead(Display*, char *, long); extern void NXProcData (Display *, char *, long); extern void N_XFlush(Display *); extern void N_XReadPad(Display*, char *, long); extern void N_XSend(Display *, _Xconst char *, long); extern void N_XWaitForReadable(Display *); extern void N_XWaitForWritable(Display *); extern void XDPSGetDefaultColorMaps( Display *dpy, Screen *screen, Drawable drawable, XStandardColormap *colorCube, XStandardColormap *grayRamp); #endif /* _CSLIBINT_H */