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0343cad62a
Use the new macros to make request struct parsing / field swapping much easier. Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
142 lines
3.6 KiB
C
142 lines
3.6 KiB
C
/*
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Copyright 1993, 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
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from The Open Group.
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*/
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#include <dix-config.h>
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#include <stdint.h>
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include <X11/extensions/xcmiscproto.h>
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#include "dix/dix_priv.h"
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#include "dix/request_priv.h"
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#include "dix/resource_priv.h"
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#include "dix/rpcbuf_priv.h"
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#include "miext/extinit_priv.h"
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#include "misc.h"
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#include "os.h"
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#include "dixstruct.h"
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#include "extnsionst.h"
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#include "swaprep.h"
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static int
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ProcXCMiscGetVersion(ClientPtr client)
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{
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X_REQUEST_HEAD_STRUCT(xXCMiscGetVersionReq);
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X_REQUEST_FIELD_CARD16(majorVersion);
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X_REQUEST_FIELD_CARD16(minorVersion);
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xXCMiscGetVersionReply reply = {
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.majorVersion = XCMiscMajorVersion,
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.minorVersion = XCMiscMinorVersion
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};
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if (client->swapped) {
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swaps(&reply.majorVersion);
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swaps(&reply.minorVersion);
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}
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return X_SEND_REPLY_SIMPLE(client, reply);
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}
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static int
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ProcXCMiscGetXIDRange(ClientPtr client)
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{
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X_REQUEST_HEAD_STRUCT(xXCMiscGetXIDRangeReq);
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XID min_id, max_id;
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GetXIDRange(client->index, FALSE, &min_id, &max_id);
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xXCMiscGetXIDRangeReply reply = {
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.start_id = min_id,
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.count = max_id - min_id + 1
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};
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if (client->swapped) {
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swapl(&reply.start_id);
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swapl(&reply.count);
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}
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return X_SEND_REPLY_SIMPLE(client, reply);
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}
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static int
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ProcXCMiscGetXIDList(ClientPtr client)
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{
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X_REQUEST_HEAD_STRUCT(xXCMiscGetXIDListReq);
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X_REQUEST_FIELD_CARD32(count);
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if (stuff->count > UINT32_MAX / sizeof(XID))
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return BadAlloc;
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XID *pids = calloc(stuff->count, sizeof(XID));
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if (!pids) {
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return BadAlloc;
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}
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size_t count = GetXIDList(client, stuff->count, pids);
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x_rpcbuf_t rpcbuf = { .swapped = client->swapped, .err_clear = TRUE };
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x_rpcbuf_write_CARD32s(&rpcbuf, pids, count);
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free(pids);
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xXCMiscGetXIDListReply reply = {
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.count = count
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};
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if (client->swapped) {
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swapl(&reply.count);
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}
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return X_SEND_REPLY_WITH_RPCBUF(client, reply, rpcbuf);
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}
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static int
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ProcXCMiscDispatch(ClientPtr client)
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{
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REQUEST(xReq);
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switch (stuff->data) {
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case X_XCMiscGetVersion:
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return ProcXCMiscGetVersion(client);
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case X_XCMiscGetXIDRange:
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return ProcXCMiscGetXIDRange(client);
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case X_XCMiscGetXIDList:
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return ProcXCMiscGetXIDList(client);
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default:
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return BadRequest;
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}
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}
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void
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XCMiscExtensionInit(void)
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{
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AddExtension(XCMiscExtensionName, 0, 0,
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ProcXCMiscDispatch, ProcXCMiscDispatch,
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NULL, StandardMinorOpcode);
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}
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