Xi: reply with the XI2 version that is supported by both client and server.

XIQueryVersion must return the client's version if the client's version is
lower than or equal to the server's version, or the server's version
otherwise.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2009-06-04 12:55:59 +10:00
parent d979f44394
commit 6ea76c5504

View File

@ -43,6 +43,7 @@
#include "exglobals.h"
#include "exevents.h"
#include "queryversion.h"
#include "misc.h"
extern XExtensionVersion XIVersion; /* defined in getvers.c */
/**
@ -56,22 +57,26 @@ ProcXIQueryVersion(ClientPtr client)
{
xXIQueryVersionReply rep;
XIClientPtr pXIClient;
int major, minor;
REQUEST(xXIQueryVersionReq);
REQUEST_SIZE_MATCH(xXIQueryVersionReq);
pXIClient = dixLookupPrivate(&client->devPrivates, XIClientPrivateKey);
pXIClient->major_version = stuff->major_version;
pXIClient->minor_version = stuff->minor_version;
major = min(XIVersion.major_version, stuff->major_version);
minor = min(XIVersion.minor_version, stuff->minor_version);
pXIClient->major_version = major;
pXIClient->minor_version = minor;
memset(&rep, 0, sizeof(xXIQueryVersionReply));
rep.repType = X_Reply;
rep.RepType = X_XIQueryVersion;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.major_version = XIVersion.major_version;
rep.minor_version = XIVersion.minor_version;
rep.major_version = major;
rep.minor_version = minor;
WriteReplyToClient(client, sizeof(xXIQueryVersionReply), &rep);