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author | Mihai Moldovan <ionic@ionic.de> | 2017-08-25 12:44:49 +0200 |
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committer | Mihai Moldovan <ionic@ionic.de> | 2017-08-25 12:44:49 +0200 |
commit | ae0a2bfdeb9ceacb80aa03375353039d425b14b9 (patch) | |
tree | daec55145477bcec69273e03d5c9ff10c10a4137 /nx-X11/lib/src/ChProp.c | |
parent | cbe2c0e44f412d07024207f374c0f56684adb088 (diff) | |
parent | 3b7e5a42f5abecb903a9d730d163d704520efb07 (diff) | |
download | nx-libs-ae0a2bfdeb9ceacb80aa03375353039d425b14b9.tar.gz nx-libs-ae0a2bfdeb9ceacb80aa03375353039d425b14b9.tar.bz2 nx-libs-ae0a2bfdeb9ceacb80aa03375353039d425b14b9.zip |
Merge branch 'sunweaver-pr/libnx-x11-autoreconf' into 3.6.x
Attributes GH PR #498: https://github.com/ArcticaProject/nx-libs/pull/498
Diffstat (limited to 'nx-X11/lib/src/ChProp.c')
-rw-r--r-- | nx-X11/lib/src/ChProp.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/nx-X11/lib/src/ChProp.c b/nx-X11/lib/src/ChProp.c new file mode 100644 index 000000000..190a224f8 --- /dev/null +++ b/nx-X11/lib/src/ChProp.c @@ -0,0 +1,99 @@ +/* + +Copyright 1986, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "Xlibint.h" + +int +XChangeProperty ( + register Display *dpy, + Window w, + Atom property, + Atom type, + int format, /* 8, 16, or 32 */ + int mode, /* PropModeReplace, PropModePrepend, PropModeAppend */ + _Xconst unsigned char *data, + int nelements) + { + register xChangePropertyReq *req; + register long len; + + LockDisplay(dpy); + GetReq (ChangeProperty, req); + req->window = w; + req->property = property; + req->type = type; + req->mode = mode; + if (nelements < 0) { + req->nUnits = 0; + req->format = 0; /* ask for garbage, get garbage */ + } else { + req->nUnits = nelements; + req->format = format; + } + + switch (req->format) { + case 8: + len = ((long)nelements + 3)>>2; + if (dpy->bigreq_size || req->length + len <= (unsigned) 65535) { + SetReqLen(req, len, len); + Data (dpy, (_Xconst char *)data, nelements); + } /* else force BadLength */ + break; + + case 16: + len = ((long)nelements + 1)>>1; + if (dpy->bigreq_size || req->length + len <= (unsigned) 65535) { + SetReqLen(req, len, len); + len = (long)nelements << 1; + Data16 (dpy, (_Xconst short *) data, len); + } /* else force BadLength */ + break; + + case 32: + len = nelements; + if (dpy->bigreq_size || req->length + len <= (unsigned) 65535) { + SetReqLen(req, len, len); + len = (long)nelements << 2; + Data32 (dpy, (_Xconst long *) data, len); + } /* else force BadLength */ + break; + + default: + /* BadValue will be generated */ ; + } + + UnlockDisplay(dpy); + SyncHandle(); + return 1; + } + + + + + |