commit 48326500d039c360f5abd0fe073902046124b1ba
parent c8d219798a2edaf551284e9a49d3ac8da304aff1
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 20 May 1999 17:42:44 -0300
longer marks when controling memory leaks
Diffstat:
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/lmem.c b/lmem.c
@@ -1,5 +1,5 @@
/*
-** $Id: lmem.c,v 1.14 1999/03/01 17:49:13 roberto Exp roberto $
+** $Id: lmem.c,v 1.15 1999/05/11 14:18:40 roberto Exp roberto $
** Interface to Memory Manager
** See Copyright Notice in lua.h
*/
@@ -83,6 +83,7 @@ void *luaM_growaux (void *block, unsigned long nelems, int inc, int size,
#define HEADER (sizeof(double))
+#define MARKSIZE 32
#define MARK 55
@@ -93,8 +94,9 @@ unsigned long totalmem = 0;
static void *checkblock (void *block) {
unsigned long *b = (unsigned long *)((char *)block - HEADER);
unsigned long size = *b;
- LUA_ASSERT(*(((char *)b)+size+HEADER) == MARK,
- "corrupted block");
+ int i;
+ for (i=0;i<MARKSIZE;i++)
+ LUA_ASSERT(*(((char *)b)+size+HEADER+i) == MARK+i, "corrupted block");
numblocks--;
totalmem -= size;
return b;
@@ -102,7 +104,7 @@ static void *checkblock (void *block) {
void *luaM_realloc (void *block, unsigned long size) {
- unsigned long realsize = HEADER+size+1;
+ unsigned long realsize = HEADER+size+MARKSIZE;
if (realsize != (size_t)realsize)
lua_error("memory allocation error: block too big");
if (size == 0) {
@@ -122,7 +124,7 @@ void *luaM_realloc (void *block, unsigned long size) {
totalmem += size;
numblocks++;
*(unsigned long *)block = size;
- *(((char *)block)+size+HEADER) = MARK;
+ { int i; for (i=0;i<MARKSIZE;i++) *(((char *)block)+size+HEADER+i) = MARK+i; }
return (unsigned long *)((char *)block+HEADER);
}