Changeset 23305 for trunk/psLib/src/sys/psMemory.c

Timestamp:

Mar 12, 2009, 2:25:59 PM (17 years ago)

Author:

eugene

Message:

added psMemTypeEqual to compare types for two (psAlloc-ed) pointers

File:

• trunk/psLib/src/sys/psMemory.c (modified) (1 diff)

trunk/psLib/src/sys/psMemory.c

@@ -1069 +1069 @@
                    memBlock->func, memBlock->file, memBlock->lineno, (unsigned long)memBlock->tid);
 }
+
+bool psMemTypeEqual (void *ptr1, void *ptr2) {
+
+    // if ptr is a psAlloc()'d memory, find the actual address of the memBlock
+    psMemBlock *memBlock1 = ((psMemBlock *)ptr1) - 1;
+    HANDLE_BAD_BLOCK(memBlock1, __FILE__, __LINE__, __func__);
+    if (!memBlock1->freeFunc) return false;
+
+    // if ptr is a psAlloc()'d memory, find the actual address of the memBlock
+    psMemBlock *memBlock2 = ((psMemBlock *)ptr2) - 1;
+    HANDLE_BAD_BLOCK(memBlock2, __FILE__, __LINE__, __func__);
+    if (!memBlock2->freeFunc) return false;
+
+    return (memBlock1->freeFunc == memBlock2->freeFunc);
+}