diff options
Diffstat (limited to 'nx-X11/lib/X11/GetProp.c')
| -rw-r--r-- | nx-X11/lib/X11/GetProp.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/nx-X11/lib/X11/GetProp.c b/nx-X11/lib/X11/GetProp.c deleted file mode 100644 index 9eb422ee3..000000000 --- a/nx-X11/lib/X11/GetProp.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - -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" -#include <limits.h> - -int -XGetWindowProperty( - register Display *dpy, - Window w, - Atom property, - long offset, - long length, - Bool delete, - Atom req_type, - Atom *actual_type, /* RETURN */ - int *actual_format, /* RETURN 8, 16, or 32 */ - unsigned long *nitems, /* RETURN # of 8-, 16-, or 32-bit entities */ - unsigned long *bytesafter, /* RETURN */ - unsigned char **prop) /* RETURN */ -{ - xGetPropertyReply reply; - register xGetPropertyReq *req; - xError error = {0}; - - /* Always initialize return values, in case callers fail to initialize - them and fail to check the return code for an error. */ - *actual_type = None; - *actual_format = 0; - *nitems = *bytesafter = 0L; - *prop = (unsigned char *) NULL; - - LockDisplay(dpy); - GetReq (GetProperty, req); - req->window = w; - req->property = property; - req->type = req_type; - req->delete = delete; - req->longOffset = offset; - req->longLength = length; - error.sequenceNumber = dpy->request; - - if (!_XReply (dpy, (xReply *) &reply, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - return (1); /* not Success */ - } - - if (reply.propertyType != None) { - unsigned long nbytes, netbytes; - int format = reply.format; - - /* - * Protect against both integer overflow and just plain oversized - * memory allocation - no server should ever return this many props. - */ - if (reply.nItems >= (INT_MAX >> 4)) - format = -1; /* fall through to default error case */ - - switch (format) { - /* - * One extra byte is malloced than is needed to contain the property - * data, but this last byte is null terminated and convenient for - * returning string properties, so the client doesn't then have to - * recopy the string to make it null terminated. - */ - case 8: - nbytes = netbytes = reply.nItems; - if (nbytes + 1 > 0 && (*prop = Xmalloc (nbytes + 1))) - _XReadPad (dpy, (char *) *prop, netbytes); - break; - - case 16: - nbytes = reply.nItems * sizeof (short); - netbytes = reply.nItems << 1; - if (nbytes + 1 > 0 && (*prop = Xmalloc (nbytes + 1))) - _XRead16Pad (dpy, (short *) *prop, netbytes); - break; - - case 32: - nbytes = reply.nItems * sizeof (long); - netbytes = reply.nItems << 2; - if (nbytes + 1 > 0 && (*prop = Xmalloc (nbytes + 1))) - _XRead32 (dpy, (long *) *prop, netbytes); - break; - - default: - /* - * This part of the code should never be reached. If it is, - * the server sent back a property with an invalid format. - * This is a BadImplementation error. - */ - { - /* sequence number stored above */ - error.type = X_Error; - error.majorCode = X_GetProperty; - error.minorCode = 0; - error.errorCode = BadImplementation; - _XError(dpy, &error); - } - nbytes = netbytes = 0L; - break; - } - if (! *prop) { - _XEatDataWords(dpy, reply.length); - UnlockDisplay(dpy); - SyncHandle(); - return(BadAlloc); /* not Success */ - } - (*prop)[nbytes] = '\0'; - } - *actual_type = reply.propertyType; - *actual_format = reply.format; - *nitems = reply.nItems; - *bytesafter = reply.bytesAfter; - UnlockDisplay(dpy); - SyncHandle(); - return(Success); -} - |