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| author | Peter Hutterer <peter.hutterer@who-t.net> | 2011-10-17 09:45:15 +1000 |
|---|---|---|
| committer | Ulrich Sibiller <uli42@gmx.de> | 2016-10-19 21:40:25 +0200 |
| commit | 02dad70a8dc920d25aa1c9b61a343310fe112e5b (patch) | |
| tree | 5ed22385e9395d477be46e8eaf57a77750e09300 /nx-X11/lib/X11/Xlibint.h | |
| parent | 1871ff031211a842601821735cae7a6d7600ca05 (diff) | |
| download | nx-libs-02dad70a8dc920d25aa1c9b61a343310fe112e5b.tar.gz nx-libs-02dad70a8dc920d25aa1c9b61a343310fe112e5b.tar.bz2 nx-libs-02dad70a8dc920d25aa1c9b61a343310fe112e5b.zip | |
Add _XGetRequest as substitute for GetReq/GetReqExtra
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Jamey Sharp <jamey@minilop.net>
Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>
Diffstat (limited to 'nx-X11/lib/X11/Xlibint.h')
| -rw-r--r-- | nx-X11/lib/X11/Xlibint.h | 46 |
1 files changed, 17 insertions, 29 deletions
diff --git a/nx-X11/lib/X11/Xlibint.h b/nx-X11/lib/X11/Xlibint.h index 69561f401..5adde76ed 100644 --- a/nx-X11/lib/X11/Xlibint.h +++ b/nx-X11/lib/X11/Xlibint.h @@ -437,6 +437,19 @@ extern LockInfoPtr _Xglobal_lock; * X Protocol packetizing macros. */ +/** + * Return a len-sized request buffer for the request type. This function may + * flush the output queue. + * + * @param dpy The display connection + * @param type The request type + * @param len Length of the request in bytes + * + * @returns A pointer to the request buffer with a few default values + * initialized. + */ +extern void *_XGetRequest(Display *dpy, CARD8 type, size_t len); + /* * GetReq - Get the next available X request packet in the buffer and * return it. @@ -448,23 +461,10 @@ extern LockInfoPtr _Xglobal_lock; #if !defined(UNIXCPP) || defined(ANSICPP) #define GetReq(name, req) \ - if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\ - _XFlush(dpy);\ - req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\ - req->reqType = X_##name;\ - req->length = (SIZEOF(x##name##Req))>>2;\ - dpy->bufptr += SIZEOF(x##name##Req);\ - dpy->request++ - + req = (x##name##Req *) _XGetRequest(dpy, X_##name, SIZEOF(x##name##Req)) #else /* non-ANSI C uses empty comment instead of "##" for token concatenation */ #define GetReq(name, req) \ - if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\ - _XFlush(dpy);\ - req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\ - req->reqType = X_/**/name;\ - req->length = (SIZEOF(x/**/name/**/Req))>>2;\ - dpy->bufptr += SIZEOF(x/**/name/**/Req);\ - dpy->request++ + req = (x/**/name/**/Req *) _XGetRequest(dpy, X_/**/name, SIZEOF(x/**/name/**/Req)) #endif /* GetReqExtra is the same as GetReq, but allocates "n" additional @@ -472,22 +472,10 @@ extern LockInfoPtr _Xglobal_lock; #if !defined(UNIXCPP) || defined(ANSICPP) #define GetReqExtra(name, n, req) \ - if ((dpy->bufptr + SIZEOF(x##name##Req) + n) > dpy->bufmax)\ - _XFlush(dpy);\ - req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\ - req->reqType = X_##name;\ - req->length = (SIZEOF(x##name##Req) + n)>>2;\ - dpy->bufptr += SIZEOF(x##name##Req) + n;\ - dpy->request++ + req = (x##name##Req *) _XGetRequest(dpy, X_##name, SIZEOF(x##name##Req) + n) #else #define GetReqExtra(name, n, req) \ - if ((dpy->bufptr + SIZEOF(x/**/name/**/Req) + n) > dpy->bufmax)\ - _XFlush(dpy);\ - req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\ - req->reqType = X_/**/name;\ - req->length = (SIZEOF(x/**/name/**/Req) + n)>>2;\ - dpy->bufptr += SIZEOF(x/**/name/**/Req) + n;\ - dpy->request++ + req = (x/**/name/**/Req *) _XGetRequest(dpy, X_/**/name, SIZEOF(x/**/name/**/Req) + n) #endif |