174 lines
5.6 KiB
C
174 lines
5.6 KiB
C
/* $Xorg: FSQXExt.c,v 1.4 2001/02/09 02:03:25 xorgcvs Exp $ */
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/*
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* Copyright 1990 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
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation, and that the names of Network Computing
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* Devices or Digital not be used in advertising or publicity pertaining
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* to distribution of the software without specific, written prior
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* permission. Network Computing Devices or Digital make no representations
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* about the suitability of this software for any purpose. It is provided
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* "as is" without express or implied warranty.
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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 DAMAGES
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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/* $XFree86: xc/lib/FS/FSQXExt.c,v 1.8 2003/12/22 17:48:02 tsi Exp $ */
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/*
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Copyright 1987, 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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*/
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#include "FSlibint.h"
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static void
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_FS_convert_char_info(fsXCharInfo *src, FSXCharInfo *dst)
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{
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dst->ascent = src->ascent;
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dst->descent = src->descent;
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dst->left = src->left;
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dst->right = src->right;
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dst->width = src->width;
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dst->attributes = src->attributes;
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}
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int
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FSQueryXExtents8(svr, fid, range_type, str, str_len, extents)
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FSServer *svr;
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Font fid;
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Bool range_type;
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unsigned char *str;
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unsigned long str_len;
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FSXCharInfo **extents;
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{
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fsQueryXExtents8Req *req;
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fsQueryXExtents8Reply reply;
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FSXCharInfo *ext;
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fsXCharInfo local_exts;
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int i;
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GetReq(QueryXExtents8, req);
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req->fid = fid;
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req->range = range_type;
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req->num_ranges = str_len;
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req->length += (str_len + 3) >> 2;
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_FSSend(svr, (char *) str, str_len);
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/* get back the info */
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if (!_FSReply(svr, (fsReply *) & reply,
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(SIZEOF(fsQueryXExtents8Reply) - SIZEOF(fsGenericReply)) >> 2,
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fsFalse))
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return FSBadAlloc;
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#if SIZE_MAX <= UINT_MAX
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if (reply.num_extents > SIZE_MAX / sizeof(FSXCharInfo))
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return FSBadAlloc;
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#endif
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ext = (FSXCharInfo *) FSmalloc(sizeof(FSXCharInfo) * reply.num_extents);
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*extents = ext;
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if (!ext)
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return FSBadAlloc;
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for (i = 0; i < reply.num_extents; i++) {
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_FSReadPad(svr, (char *) &local_exts, SIZEOF(fsXCharInfo));
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_FS_convert_char_info(&local_exts, &ext[i]);
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}
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SyncHandle();
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return FSSuccess;
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}
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int
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FSQueryXExtents16(svr, fid, range_type, str, str_len, extents)
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FSServer *svr;
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Font fid;
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Bool range_type;
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FSChar2b *str;
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unsigned long str_len;
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FSXCharInfo **extents;
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{
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fsQueryXExtents16Req *req;
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fsQueryXExtents16Reply reply;
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FSXCharInfo *ext;
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fsXCharInfo local_exts;
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int i;
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GetReq(QueryXExtents16, req);
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req->fid = fid;
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req->range = range_type;
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req->num_ranges = str_len;
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req->length += ((str_len * SIZEOF(fsChar2b)) + 3) >> 2;
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if (FSProtocolVersion(svr) == 1)
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{
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fsChar2b_version1 *swapped_str;
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swapped_str = (fsChar2b_version1 *)
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FSmalloc(SIZEOF(fsChar2b_version1) * str_len);
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if (!swapped_str)
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return FSBadAlloc;
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for (i = 0; i < str_len; i++) {
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swapped_str[i].low = str[i].low;
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swapped_str[i].high = str[i].high;
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}
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_FSSend(svr, (char *)swapped_str, (str_len*SIZEOF(fsChar2b_version1)));
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FSfree(swapped_str);
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} else
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_FSSend(svr, (char *) str, (str_len * SIZEOF(fsChar2b)));
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/* get back the info */
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if (!_FSReply(svr, (fsReply *) & reply,
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(SIZEOF(fsQueryXExtents16Reply) - SIZEOF(fsGenericReply)) >> 2,
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fsFalse))
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return FSBadAlloc;
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#if SIZE_MAX <= UINT_MAX
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if (reply.num_extents > SIZE_MAX/sizeof(FSXCharInfo))
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return FSBadAlloc;
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#endif
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ext = (FSXCharInfo *) FSmalloc(sizeof(FSXCharInfo) * reply.num_extents);
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*extents = ext;
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if (!ext)
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return FSBadAlloc;
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for (i = 0; i < reply.num_extents; i++) {
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_FSReadPad(svr, (char *) &local_exts, SIZEOF(fsXCharInfo));
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_FS_convert_char_info(&local_exts, &ext[i]);
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}
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SyncHandle();
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return FSSuccess;
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}
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