From 256c8867e1ef5d8e07727231d1e76d91bc719bc2 Mon Sep 17 00:00:00 2001
From: teodor <teodor>
Date: Tue, 22 Nov 2005 15:33:21 +0000
Subject: [PATCH] fixes in mcrealloc

---
 memtest.c | 8 ++++----
 tbtree.c  | 2 +-
 tmalloc.c | 3 +++
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/memtest.c b/memtest.c
index a4536d5..7db7813 100644
--- a/memtest.c
+++ b/memtest.c
@@ -118,14 +118,14 @@ main(int argn, char *argv[]) {
 		printf("mixed:%s free:%d\n", ptr, base->chunk->freesize);
 
 		ptr = mcrealloc(ptr1, 120); 
-		tassert( ptr==ptr1 );
+		tassert( ptr<ptr1 );
 		printf("mixed:%s free:%d\n", ptr, base->chunk->freesize);
 	
-		ptr = mcalloc(base, CNTXCHUNK);
-		strcpy(ptr, ptr1);
+		ptr1 = mcalloc(base, CNTXCHUNK);
+		strcpy(ptr1, ptr);
 		printf("mixed:%s free:%d freenew:%d\n", ptr1, base->chunk->freesize, base->chunk->next->freesize);
 
-		ptr= mcstrdup(child, ptr1);
+		ptr1= mcstrdup(child, ptr);
 		printf("mixed:%s free:%d freechild:%d\n", ptr1, base->chunk->freesize, child->chunk->freesize);
 
 		freeMemoryContext(child);
diff --git a/tbtree.c b/tbtree.c
index e075b0a..af12db5 100644
--- a/tbtree.c
+++ b/tbtree.c
@@ -208,7 +208,7 @@ findInCache(TBTree *db, u_int32_t pagenumber) {
 	while(ptr && ptr->pagenumber != pagenumber)
 		ptr = ptr->link; 
 
-	return ptr;;
+	return ptr;
 }
 
 static void
diff --git a/tmalloc.c b/tmalloc.c
index d6c0b76..fee18cb 100644
--- a/tmalloc.c
+++ b/tmalloc.c
@@ -228,6 +228,9 @@ mcrealloc(void * ptr, size_t size) {
 			/* just enlarge */
 			alloc->cntx->chunk->freesize -= PTRALIGN(size)-realsize;
 			alloc->size+=PTRALIGN(size)-realsize;
+			memmove( ((char*)alloc) - (PTRALIGN(size)-realsize), alloc, PTRALIGN(size)+MCASHDRSZ );
+			alloc = (MCAllocatedSpace*) ( ((char*)alloc) - (PTRALIGN(size)-realsize) );
+			ptr = (void*)alloc->data;
 			if ( alloc->cntx->flags & MC_DEBUG ) {
 				memset( (char*)(alloc->data) + realsize,  0xc3, PTRALIGN(size)-realsize );
 				*(u_int32_t*)((char*)alloc + alloc->size - sizeof(u_int32_t) ) = MCMAGICKNUMBER;
-- 
2.46.1