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| author | marha <marha@users.sourceforge.net> | 2013-03-11 09:17:45 +0100 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2013-03-11 09:17:45 +0100 |
| commit | 514e0809a42027e2178bf0eccd526a08da60f399 (patch) | |
| tree | 6ee95fe742214f0fe4b20ca8b444d0cfeea67faf /libX11/include | |
| parent | 84798668341b15890d625e3bffbbc2d19f434568 (diff) | |
| download | vcxsrv-514e0809a42027e2178bf0eccd526a08da60f399.tar.gz vcxsrv-514e0809a42027e2178bf0eccd526a08da60f399.tar.bz2 vcxsrv-514e0809a42027e2178bf0eccd526a08da60f399.zip | |
fontconfig libX11 mesa pixman xserver xkeyboard-config git update 11 Mar
2013
xserver commit 5047810a4c20fab444b8c6eb146c55dcdb0d4219
xkeyboard-config commit 2ed85c1e936f7cd4a9540ace5c12b9fec60ee1fb
libX11 commit 3996543c1b2919e97d61a5d70fe1ebd7cd76fc83
pixman commit aaae3d8eefa069098e9014822817ca1429fdea46
fontconfig commit bdf1581e3de5528f397f19bfd4ca9caaf9e7fe4a
mesa commit b21a9d46e4be0c666327569f07b9cddeb4d42d38
Diffstat (limited to 'libX11/include')
| -rw-r--r-- | libX11/include/X11/Xlibint.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/libX11/include/X11/Xlibint.h b/libX11/include/X11/Xlibint.h index 40965c449..06395b32e 100644 --- a/libX11/include/X11/Xlibint.h +++ b/libX11/include/X11/Xlibint.h @@ -486,6 +486,14 @@ extern void *_XGetRequest(Display *dpy, CARD8 type, size_t len); req = (xReq *) _XGetRequest(dpy, X_/**/name, SIZEOF(xReq)) #endif +/* + * MakeBigReq sets the CARD16 "req->length" to 0 and inserts a new CARD32 + * length, after req->length, before the data in the request. The new length + * includes the "n" extra 32-bit words. + * + * Do not use MakeBigReq if there is no data already in the request. + * req->length must already be >= 2. + */ #ifdef LONG64 #define MakeBigReq(req,n) \ { \ @@ -493,7 +501,7 @@ extern void *_XGetRequest(Display *dpy, CARD8 type, size_t len); CARD32 _BRlen = req->length - 1; \ req->length = 0; \ _BRdat = ((CARD32 *)req)[_BRlen]; \ - memmove(((char *)req) + 8, ((char *)req) + 4, _BRlen << 2); \ + memmove(((char *)req) + 8, ((char *)req) + 4, (_BRlen - 1) << 2); \ ((CARD32 *)req)[1] = _BRlen + n + 2; \ Data32(dpy, &_BRdat, 4); \ } @@ -504,12 +512,19 @@ extern void *_XGetRequest(Display *dpy, CARD8 type, size_t len); CARD32 _BRlen = req->length - 1; \ req->length = 0; \ _BRdat = ((CARD32 *)req)[_BRlen]; \ - memmove(((char *)req) + 8, ((char *)req) + 4, _BRlen << 2); \ + memmove(((char *)req) + 8, ((char *)req) + 4, (_BRlen - 1) << 2); \ ((CARD32 *)req)[1] = _BRlen + n + 2; \ Data32(dpy, &_BRdat, 4); \ } #endif +/* + * SetReqLen increases the count of 32-bit words in the request by "n", + * or by "badlen" if "n" is too large. + * + * Do not use SetReqLen if "req" does not already have data after the + * xReq header. req->length must already be >= 2. + */ #ifndef __clang_analyzer__ #define SetReqLen(req,n,badlen) \ if ((req->length + n) > (unsigned)65535) { \ |