diff options
Diffstat (limited to 'nx-X11/lib/oldX/XDelAssoc.c')
-rw-r--r-- | nx-X11/lib/oldX/XDelAssoc.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/nx-X11/lib/oldX/XDelAssoc.c b/nx-X11/lib/oldX/XDelAssoc.c new file mode 100644 index 000000000..e7c4b75a8 --- /dev/null +++ b/nx-X11/lib/oldX/XDelAssoc.c @@ -0,0 +1,82 @@ +/* $Xorg: XDelAssoc.c,v 1.4 2001/02/09 02:04:05 xorgcvs Exp $ */ +/* + +Copyright 1985, 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. + +*/ +/* $XFree86: xc/lib/oldX/XDelAssoc.c,v 1.3 2001/01/17 19:43:37 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "X11/Xlibint.h" +#include "X10.h" + +/* + * XDeleteAssoc - Delete an association in an XAssocTable keyed on + * an XId. An association may be removed only once. Redundant + * deletes are meaningless (but cause no problems). + */ +int +XDeleteAssoc(dpy, table, x_id) + register Display *dpy; + register XAssocTable *table; + register XID x_id; +{ + int hash; + register XAssoc *bucket; + register XAssoc *Entry; + + /* Hash the XId to get the bucket number. */ + hash = x_id & (table->size - 1); + /* Look up the bucket to get the entries in that bucket. */ + bucket = &table->buckets[hash]; + /* Get the first entry in the bucket. */ + Entry = bucket->next; + + /* Scan through the entries in the bucket for the right XId. */ + for (; Entry != bucket; Entry = Entry->next) { + if (Entry->x_id == x_id) { + /* We have the right XId. */ + if (Entry->display == dpy) { + /* We have the right display. */ + /* We have the right entry! */ + /* Remove it from the queue and */ + /* free the entry. */ + Entry->prev->next = Entry->next; + Entry->next->prev = Entry->prev; + Xfree((char *)Entry); + return 0; + } + /* Oops, identical XId's on different displays! */ + continue; + } + if (Entry->x_id > x_id) { + /* We have gone past where it should be. */ + /* It is apparently not in the table. */ + return 0; + } + } + /* It is apparently not in the table. */ + return 0; +} |