Initial checkin of veejay 1.4

git-svn-id: svn://code.dyne.org/veejay/trunk@1172 eb8d1916-c9e9-0310-b8de-cf0c9472ead5

veejay-current/veejay-server/libOSC/OSC-callbacklist.c

@@ -0,0 +1,95 @@
+/*
+Copyright <20> 1998. The Regents of the University of California (Regents). 
+All Rights Reserved.
+
+Written by Matt Wright, The Center for New Music and Audio Technologies,
+University of California, Berkeley.
+
+Permission to use, copy, modify, distribute, and distribute modified versions
+of this software and its documentation without fee and without a signed
+licensing agreement, is hereby granted, provided that the above copyright
+notice, this paragraph and the following two paragraphs appear in all copies,
+modifications, and distributions.
+
+IN NO EVENT SHALL REGENTS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
+SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING
+OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF REGENTS HAS
+BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE. THE SOFTWARE AND ACCOMPANYING DOCUMENTATION, IF ANY, PROVIDED
+HEREUNDER IS PROVIDED "AS IS". REGENTS HAS NO OBLIGATION TO PROVIDE
+MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+
+The OpenSound Control WWW page is 
+    http://www.cnmat.berkeley.edu/OpenSoundControl
+*/
+
+
+/*
+  OSC-callbacklist.c
+  Linked lists of methods
+
+  Matt Wright, 11/20/97
+
+  Allocator is a simple linked list of free nodes.
+
+*/
+
+
+
+#include <libOSC/OSC-common.h>
+#include <libOSC/OSC-timetag.h>
+#include <libOSC/OSC-address-space.h>
+#include <libOSC/OSC-dispatch.h>
+#include <libOSC/OSC-callbacklist.h>
+
+static callbackList allNodes;
+static callbackList freeNodes;
+
+/* Call this before you call anything else */
+Boolean InitCallbackListNodes(int numNodes, void *(*InitTimeMalloc)(int numBytes)) {
+    int i;
+
+    allNodes = (*InitTimeMalloc)(numNodes * sizeof(*allNodes));
+    if (allNodes == 0) return FALSE;
+
+    /* Initialize list of freeNodes */
+    freeNodes = &(allNodes[0]);
+    for (i = 0; i < numNodes-1; ++i) {
+	allNodes[i].next = &(allNodes[i+1]);
+    }
+    allNodes[numNodes-1].next = 0;
+    return TRUE;
+}
+
+callbackList AllocCallbackListNode(methodCallback callback, void *context,
+				   struct callbackListNode *next) {
+    callbackList result;
+    if (freeNodes == 0) {
+	/* OSCProblem("Out of memory for callback lists!"); */
+	return 0;
+    }
+
+    result = freeNodes;
+    freeNodes = freeNodes->next;
+
+    result->callback = callback;
+    result->context = context;
+    result->next = next;
+#ifdef DEBUG_CBL
+    printf("AllocCallbackListNode: returning %p (cb %p, context %p, next %p)\n",
+	   result, result->callback, result->context, result->next);
+#endif
+    return result;
+}
+    
+
+void FreeCallbackListNode(callbackList cb) {
+#ifdef DEBUG_CBL
+    printf("FreeCallbackListNode(%p)\n", cb);
+#endif
+    cb->next = freeNodes;
+    freeNodes = cb;
+}