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Diffstat (limited to 'nx-X11/lib/lbxutil/lbx_zlib/lbx_zlib_io.c')
-rw-r--r--nx-X11/lib/lbxutil/lbx_zlib/lbx_zlib_io.c275
1 files changed, 0 insertions, 275 deletions
diff --git a/nx-X11/lib/lbxutil/lbx_zlib/lbx_zlib_io.c b/nx-X11/lib/lbxutil/lbx_zlib/lbx_zlib_io.c
deleted file mode 100644
index 12b29a310..000000000
--- a/nx-X11/lib/lbxutil/lbx_zlib/lbx_zlib_io.c
+++ /dev/null
@@ -1,275 +0,0 @@
-/* $Xorg: lbx_zlib_io.c,v 1.3 2000/08/17 19:46:41 cpqbld Exp $ */
-
-/*
- * Copyright 1993 Network Computing Devices
- *
- * 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 NCD. not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. NCD. makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * NCD. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NCD.
- * 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.
- *
- * Author: Dale Tonogai, Network Computing Devices
- */
-/* $XFree86: xc/lib/lbxutil/lbx_zlib/lbx_zlib_io.c,v 1.11 2001/01/17 19:43:36 dawes Exp $ */
-
-#ifdef WIN32
-#define _WILLWINSOCK_
-#endif
-#include <X11/Xos.h>
-#include <X11/Xfuncs.h>
-#include <errno.h>
-#if !defined(WIN32) && !defined(Lynx)
-#include <sys/param.h>
-#endif
-#include <X11/extensions/lbxbufstr.h>
-#include "lbx_zlib.h"
-
-#include <stddef.h>
-
-
-/*
- * The following is taken from the xtrans code, almost as is,
- * it would be nice to share it...
- */
-#if defined(WIN32) || defined(__sxg__)
-static int
-writev(int fildes, const struct iovec *iov, int iovcnt)
-{
- int i, len, total;
- char *base;
-
- ESET(0);
- for (i = 0, total = 0; i < iovcnt; i++, iov++) {
- len = iov->iov_len;
- base = iov->iov_base;
- while (len > 0) {
- register int nbytes;
- nbytes = write(fildes, base, len);
- if (nbytes < 0 && total == 0) return -1;
- if (nbytes <= 0) return total;
- ESET(0);
- len -= nbytes;
- total += nbytes;
- base += nbytes;
- }
- }
- return total;
-}
-#endif
-
-int
-InitZlibBuffer(b, size)
- ZlibBufferPtr b;
- int size;
-{
- if ((b->bufbase = (char *)Xalloc(size)) == NULL)
- return -1;
- b->bufend = b->bufbase + size;
- b->bufptr = b->bufbase;
- b->bufcnt = 0;
- return 0;
-}
-
-void
-FreeZlibBuffer(b)
- ZlibBufferPtr b;
-{
- if (b->bufbase) {
- Xfree(b->bufbase);
- b->bufbase = NULL;
- }
-}
-
-/*
- * Returns:
- * 1 if desired amount of data available in input buffer
- * 0 if eof
- * -1 if error
- */
-int
-GetInputPtr(fd, inbuf, reqlen, ppkt)
- int fd;
- ZlibBufferPtr inbuf;
- int reqlen;
- unsigned char **ppkt;
-{
- int readbytes;
- int gotbytes;
-
- if (inbuf->bufcnt == 0)
- inbuf->bufptr = inbuf->bufbase;
-
- if (reqlen <= inbuf->bufcnt) {
- *ppkt = (unsigned char *)inbuf->bufptr;
- return 1;
- }
-
- if (reqlen > inbuf->bufend - inbuf->bufptr) {
- memmove(inbuf->bufbase, inbuf->bufptr, inbuf->bufcnt);
- inbuf->bufptr = inbuf->bufbase;
- }
- readbytes = (inbuf->bufend - inbuf->bufptr) - inbuf->bufcnt;
- gotbytes = read(fd, inbuf->bufptr + inbuf->bufcnt, readbytes);
- if (gotbytes > 0) {
- if (reqlen <= (inbuf->bufcnt += gotbytes)) {
- *ppkt = (unsigned char *)inbuf->bufptr;
- return 1;
- }
- }
- else
- return gotbytes;
-
- errno = EWOULDBLOCK;
- return -1;
-}
-
-/*
- * When ZLIB is started, we may well have read some data off of the
- * wire somewhere. This sticks those bytes ahead of anything we might
- * read in the future
- */
-
-int
-StuffInput(inbuf, pkt, reqlen)
- ZlibBufferPtr inbuf;
- unsigned char *pkt;
- int reqlen;
-{
- int readbytes;
- char *last;
-
- last = inbuf->bufptr + inbuf->bufcnt;
- if (reqlen > inbuf->bufend - last)
- {
- memmove(inbuf->bufbase, inbuf->bufptr, inbuf->bufcnt);
- inbuf->bufptr = inbuf->bufbase;
- last = inbuf->bufptr + inbuf->bufcnt;
- }
- readbytes = MIN(reqlen, inbuf->bufend - last);
- memmove(last, pkt, readbytes);
- inbuf->bufcnt += readbytes;
- return readbytes;
-}
-
-void
-FreeInput(inbuf, len)
- ZlibBufferPtr inbuf;
- int len;
-{
- inbuf->bufptr += len;
- if ((inbuf->bufcnt -= len) == 0)
- inbuf->bufptr = inbuf->bufbase;
-}
-
-/*
- * Reserve outlen bytes in the output buffer.
- */
-char *
-ReserveOutBuf(outbuf, outlen)
- ZlibBufferPtr outbuf;
- int outlen;
-{
- int left;
-
- left = (outbuf->bufend - outbuf->bufptr) - outbuf->bufcnt;
- if (left < outlen)
- return NULL;
- else
- return outbuf->bufptr + outbuf->bufcnt;
-}
-
-/*
- * Commit previously reserved space as real output
- */
-void
-CommitOutBuf(outbuf, outlen)
- ZlibBufferPtr outbuf;
- int outlen;
-{
- outbuf->bufcnt += outlen;
-}
-
-/*
- * Write out as much as possible from the output buffer.
- * Returns: >= 0 - amount left in buffer
- * < 0 - write error
- */
-int
-FlushOutBuf(fd, outbuf)
- int fd;
- ZlibBufferPtr outbuf;
-{
- int bytes;
-
- if (outbuf->bufcnt == 0)
- return 0;
- bytes = write(fd, outbuf->bufptr, outbuf->bufcnt);
- if (bytes > 0) {
- outbuf->bufptr += bytes;
- if ((outbuf->bufcnt -= bytes) == 0)
- outbuf->bufptr = outbuf->bufbase;
- return outbuf->bufcnt;
- }
- else if (bytes == 0) {
- errno = EWOULDBLOCK;
- bytes = -1;
- }
- return bytes;
-}
-
-/*
- * Write out as much as possible from the iovec array (no more than
- * two entries allowed).
- * Returns: >= 0 - amount left in iovec[1]
- * < 0 - write error
- */
-int
-FlushIovBuf(fd, iovbuf)
- int fd;
- struct iovec *iovbuf;
-{
- int bytes;
- int niov = 2;
- struct iovec *iov = iovbuf;
-
- if (iov[0].iov_len == 0) {
- ++iov;
- --niov;
- }
- bytes = writev(fd, iov, niov);
- if (bytes > 0) {
- int i;
- int len;
- for (i = 0; i < niov; i++) {
- len = MIN(bytes, iov[i].iov_len);
- iov[i].iov_len -= len;
- /*
- * An explicit cast is necessary because silly SGI changed
- * iov_base from a caddr_t to a void* in IRIX 6.x, and strictly
- * speaking ANSI/ISO C doesn't allow the use of a cast in an
- * lvalue, i.e. such as: '((char*)(iov[i].iov_base)) += len;'
- */
- iov[i].iov_base = ((char*)(iov[i].iov_base)) + len;
- if ((bytes -= len) == 0)
- break;
- }
- return iovbuf[1].iov_len;
- }
- else if (bytes == 0) {
- errno = EWOULDBLOCK;
- bytes = -1;
- }
- return bytes;
-}
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