home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
OS/2 Shareware BBS: 10 Tools
/
10-Tools.zip
/
evbl0627.zip
/
everblue_20010627.zip
/
x11
/
XKBRdBuf.c
< prev
next >
Wrap
C/C++ Source or Header
|
1999-11-02
|
8KB
|
339 lines
/* $XConsortium: XKBRdBuf.c /main/7 1996/01/14 16:43:48 kaleb $ */
/************************************************************
Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc.
Permission to use, copy, modify, and distribute this
software and its documentation for any purpose and without
fee is hereby granted, 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 Silicon Graphics not be
used in advertising or publicity pertaining to distribution
of the software without specific prior written permission.
Silicon Graphics makes no representation about the suitability
of this software for any purpose. It is provided "as is"
without any express or implied warranty.
SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
THE USE OR PERFORMANCE OF THIS SOFTWARE.
********************************************************/
#include <stdio.h>
#define NEED_REPLIES
#define NEED_EVENTS
#include "Xlib_private.h"
#include "XKBlibint.h"
#include <X11/extensions/XKBproto.h>
/***====================================================================***/
#if 0
int
#if NeedFunctionPrototypes
_XkbInitReadBuffer(Display *dpy,XkbReadBufferPtr buf,int size)
#else
_XkbInitReadBuffer(dpy,buf,size)
Display *dpy;
XkbReadBufferPtr buf;
int size;
#endif
{
DBUG_ENTER("_XkbInitReadBuffer")
if ((dpy!=NULL) && (buf!=NULL) && (size>0)) {
buf->error= 0;
buf->size= size;
buf->start= buf->data= _XkbAlloc(size);
if (buf->start) {
_XRead(dpy, buf->start, size);
DBUG_RETURN(1);
}
}
DBUG_RETURN(0);
}
#endif
#define _XkbReadBufferDataLeft(b) (((b)->size)-((b)->data-(b)->start))
int
#if NeedFunctionPrototypes
_XkbSkipReadBufferData(XkbReadBufferPtr from,int size)
#else
_XkbSkipReadBufferData(from,size)
XkbReadBufferPtr from;
int size;
#endif
{
DBUG_ENTER("_XkbSkipReadBufferData")
if (size==0)
DBUG_RETURN(1);
if ((from==NULL)||(from->error)||(size<1)||
(_XkbReadBufferDataLeft(from)<size))
DBUG_RETURN(0);
from->data+= size;
DBUG_RETURN(1);
}
int
#if NeedFunctionPrototypes
_XkbCopyFromReadBuffer(XkbReadBufferPtr from,char *to,int size)
#else
_XkbCopyFromReadBuffer(from,to,size)
XkbReadBufferPtr from;
char *to;
int size;
#endif
{
DBUG_ENTER("_XkbCopyFromReadBuffer")
if (size==0)
DBUG_RETURN(1);
if ((from==NULL)||(from->error)||(to==NULL)||(size<1)||
(_XkbReadBufferDataLeft(from)<size))
DBUG_RETURN(0);
memcpy(to,from->data,size);
from->data+= size;
DBUG_RETURN(1);
}
#ifdef XKB_FORCE_INT_KEYSYM
int
#if NeedFunctionPrototypes
_XkbReadCopyKeySyms(int *wire,KeySym *to,int num_words)
#else
_XkbReadCopyKeySyms(wire,to,num_words)
int * wire;
KeySym * to;
int num_words;
#endif
{
DBUG_ENTER("_XkbReadCopyKeySyms")
while (num_words-->0) {
*to++= *wire++;
}
DBUG_RETURN(1);
}
int
#if NeedFunctionPrototypes
_XkbReadBufferCopyKeySyms(XkbReadBufferPtr from,KeySym *to,int num_words)
#else
_XkbReadBufferCopyKeySyms(from,to,num_words)
XkbReadBufferPtr from;
KeySym * to;
int num_words;
#endif
{
DBUG_ENTER("_XkbReadBufferCopyKeySyms")
if ((unsigned)(num_words*4)>_XkbReadBufferDataLeft(from))
DBUG_RETURN(0);
_XkbReadCopyKeySyms((int *)from->data,to,num_words);
from->data+= (4*num_words);
DBUG_RETURN(True);
}
int
#if NeedFunctionPrototypes
_XkbWriteCopyKeySyms (register KeySym *from,CARD32 *to,int len)
#else
_XkbWriteCopyKeySyms (from,to,len)
register KeySym * from;
CARD32 * to;
int len;
#endif
{
DBUG_ENTER("_XkbWriteCopyKeySyms")
while (len-->0) {
*to++= (CARD32)*from++;
}
DBUG_RETURN(True);
}
#endif
#ifdef LONG64
int
#if NeedFunctionPrototypes
_XkbReadCopyData32(int *wire,long *to,int num_words)
#else
_XkbReadCopyData32(wire,to,num_words)
int * wire;
long * to;
int num_words;
#endif
{
DBUG_ENTER("_XkbReadCopyData32")
while (num_words-->0) {
*to++= *wire++;
}
DBUG_RETURN(1);
}
#endif
#ifdef WORD64
int
#if NeedFunctionPrototypes
_XkbReadCopyData32(int *from,long *lp,int num_words)
#else
_XkbReadCopyData32(from,lp,num_words)
int * from;
long * lp;
int num_words;
#endif
{
DBUG_ENTER("_XkbReadCopyData32")
long *lpack;
long mask32 = 0x00000000ffffffff;
long maskw, i, bits;
lpack = (long *)from;
bits = 32;
for (i=0;i<num_words;i++) {
maskw = mask32 << bits;
*lp++ = (*lpack & maskw) >> bits;
bits = bits ^ 32;
if (bits)
lpack++;
}
DBUG_RETURN(1);
}
#endif
#if defined(LONG64) || defined(WORD64)
int
#if NeedFunctionPrototypes
_XkbReadBufferCopy32(XkbReadBufferPtr from,long *to,int num_words)
#else
_XkbReadBufferCopy32(from,to,num_words)
XkbReadBufferPtr from;
long * to;
int num_words;
#endif
{
DBUG_ENTER("_XkbReadBufferCopy32")
if ((unsigned)(num_words*4)>_XkbReadBufferDataLeft(from))
DBUG_RETURN(0);
_XkbReadCopyData32((int *)from->data,to,num_words);
from->data+= (4*num_words);
DBUG_RETURN(True);
}
#endif
#ifdef LONG64
int
#if NeedFunctionPrototypes
_XkbWriteCopyData32 (register unsigned long *from,CARD32 *to,int len)
#else
_XkbWriteCopyData32 (from,to,len)
register unsigned long * from;
CARD32 * to;
int len;
#endif
{
DBUG_ENTER("_XkbWriteCopyData32")
while (len-->0) {
*to++= (CARD32)*from++;
}
DBUG_RETURN(True);
}
#endif /* LONG64 */
#ifdef WORD64
_XkbWriteCopyData32 Not Implemented Yet for sizeof(int)==8
#endif
char *
#if NeedFunctionPrototypes
_XkbPeekAtReadBuffer(XkbReadBufferPtr from,int size)
#else
_XkbPeekAtReadBuffer(from,size)
XkbReadBufferPtr from;
int size;
#endif
{
DBUG_ENTER("_XkbPeekAtReadBuffer")
char * result;
if ((from==NULL)||(from->error)||(size<1)||
(_XkbReadBufferDataLeft(from)<size))
DBUG_RETURN(0);
result = from->data;
DBUG_RETURN(result);
}
char *
#if NeedFunctionPrototypes
_XkbGetReadBufferPtr(XkbReadBufferPtr from,int size)
#else
_XkbGetReadBufferPtr(from,size)
XkbReadBufferPtr from;
int size;
#endif
{
DBUG_ENTER("_XkbGetReadBufferPtr")
char *ptr;
if ((from==NULL)||(from->error)||(size<1)||
(_XkbReadBufferDataLeft(from)<size))
DBUG_RETURN(0);
ptr= from->data;
from->data+= size;
DBUG_RETURN(ptr);
}
int
#if NeedFunctionPrototypes
_XkbFreeReadBuffer(XkbReadBufferPtr buf)
#else
_XkbFreeReadBuffer(buf)
XkbReadBufferPtr buf;
#endif
{
DBUG_ENTER("_XkbFreeReadBuffer")
if ((buf!=NULL) && (buf->start!=NULL)) {
int left;
left= (int)_XkbReadBufferDataLeft(buf);
if (buf->start!=NULL)
Xfree(buf->start);
buf->size= 0;
buf->start= buf->data= NULL;
DBUG_RETURN(left);
}
DBUG_RETURN(0);
}
Bool
#if NeedFunctionPrototypes
_XkbGetReadBufferCountedString(XkbReadBufferPtr buf,char **rtrn)
#else
_XkbGetReadBufferCountedString(buf,rtrn)
XkbReadBufferPtr buf;
char ** rtrn;
#endif
{
DBUG_ENTER("_XkbGetReadBufferCountedString")
CARD16 len,*pLen;
int left;
char * str;
if ((buf==NULL)||(buf->error)||((left=(int)_XkbReadBufferDataLeft(buf))<4))
DBUG_RETURN(False);
pLen= (CARD16 *)buf->data;
len= *pLen;
if (len>0) {
if (XkbPaddedSize(len+2)>left)
DBUG_RETURN(False);
str= _XkbAlloc(len+1);
if (str) {
memcpy(str,&buf->data[2],len);
str[len]= '\0';
}
}
buf->data+= XkbPaddedSize(len+2);
*rtrn= str;
DBUG_RETURN(True);
}