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

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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
1 changed files with 9 additions and 4 deletions
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13
Xi/queryversion.c
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@@ -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);