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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/lib/oldX/XCrAssoc.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/lib/oldX/XCrAssoc.c')
-rw-r--r--nx-X11/lib/oldX/XCrAssoc.c75
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diff --git a/nx-X11/lib/oldX/XCrAssoc.c b/nx-X11/lib/oldX/XCrAssoc.c
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+/* $Xorg: XCrAssoc.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.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "X11/Xlibint.h"
+#include "X10.h"
+
+/*
+ * XCreateAssocTable - Create an XAssocTable. The size argument should be
+ * a power of two for efficiency reasons. Some size suggestions: use 32
+ * buckets per 100 objects; a reasonable maximum number of object per
+ * buckets is 8. If there is an error creating the XAssocTable, a NULL
+ * pointer is returned.
+ */
+XAssocTable *XCreateAssocTable(size)
+ register int size; /* Desired size of the table. */
+{
+ register XAssocTable *table; /* XAssocTable to be initialized. */
+ register XAssoc *buckets; /* Pointer to the first bucket in */
+ /* the bucket array. */
+
+ /* XMalloc the XAssocTable. */
+ if ((table = (XAssocTable *)Xmalloc(sizeof(XAssocTable))) == NULL) {
+ /* XMalloc call failed! */
+ errno = ENOMEM;
+ return(NULL);
+ }
+
+ /* XMalloc the buckets (actually just their headers). */
+ buckets = (XAssoc *)Xcalloc((unsigned)size, (unsigned)sizeof(XAssoc));
+ if (buckets == NULL) {
+ /* XCalloc call failed! */
+ errno = ENOMEM;
+ return(NULL);
+ }
+
+ /* Insert table data into the XAssocTable structure. */
+ table->buckets = buckets;
+ table->size = size;
+
+ while (--size >= 0) {
+ /* Initialize each bucket. */
+ buckets->prev = buckets;
+ buckets->next = buckets;
+ buckets++;
+ }
+
+ return(table);
+}