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authorPeter Hutterer <peter.hutterer@who-t.net>2011-10-17 09:45:15 +1000
committerUlrich Sibiller <uli42@gmx.de>2016-10-19 21:40:25 +0200
commit02dad70a8dc920d25aa1c9b61a343310fe112e5b (patch)
tree5ed22385e9395d477be46e8eaf57a77750e09300
parent1871ff031211a842601821735cae7a6d7600ca05 (diff)
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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>
-rw-r--r--nx-X11/lib/X11/Xlibint.h46
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