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authornijtmans <nijtmans>2010-12-06 09:01:49 (GMT)
committernijtmans <nijtmans>2010-12-06 09:01:49 (GMT)
commitada3e21ac86baba934efd6d7a2427855079c72ad (patch)
tree82897612b5989945d086ccb23f71868fe1a656f6 /generic/tclCkalloc.c
parent5beae862e19a2e7436529dc895052bc0b4364ad4 (diff)
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[Bug 3129448]: possible over-allocation on 64-bit platforms
Diffstat (limited to 'generic/tclCkalloc.c')
-rw-r--r--generic/tclCkalloc.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/generic/tclCkalloc.c b/generic/tclCkalloc.c
index dbd999e..4314554 100644
--- a/generic/tclCkalloc.c
+++ b/generic/tclCkalloc.c
@@ -14,7 +14,7 @@
*
* This code contributed by Karl Lehenbauer and Mark Diekhans
*
- * RCS: @(#) $Id: tclCkalloc.c,v 1.41 2010/12/01 10:43:36 nijtmans Exp $
+ * RCS: @(#) $Id: tclCkalloc.c,v 1.42 2010/12/06 09:01:49 nijtmans Exp $
*/
#include "tclInt.h"
@@ -32,12 +32,12 @@
typedef struct MemTag {
int refCount; /* Number of mem_headers referencing this
* tag. */
- char string[4]; /* Actual size of string will be as large as
+ char string[1]; /* Actual size of string will be as large as
* needed for actual tag. This must be the
* last field in the structure. */
} MemTag;
-#define TAG_SIZE(bytesInString) ((unsigned) sizeof(MemTag) + bytesInString - 3)
+#define TAG_SIZE(bytesInString) ((unsigned) ((TclOffset(MemTag, string) + 1) + bytesInString))
static MemTag *curTagPtr = NULL;/* Tag to use in all future mem_headers (set
* by "memory tag" command). */
@@ -185,7 +185,7 @@ TclDumpMemoryInfo(ClientData clientData, int flags)
maximum_malloc_packets,
maximum_bytes_malloced);
if (flags == 0) {
- fprintf((FILE *)clientData, buf);
+ fprintf((FILE *)clientData, "%s", buf);
} else {
/* Assume objPtr to append to */
Tcl_AppendToObj((Tcl_Obj *) clientData, buf, -1);