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authorEvan Huus <eapache@gmail.com>2013-10-15 13:15:38 +0000
committerEvan Huus <eapache@gmail.com>2013-10-15 13:15:38 +0000
commit7d66e3806beaf033935772dcbfb1f4a7a0a04651 (patch)
treec814e489e859a393bd685815ff570b702d6a187d /epan/wmem
parent586dea0e0473483f34b3fd2c0a30c6a4c77b33bc (diff)
Don't do canaries in blocks of guint32, it appears to cause alignment issues
when running tests on Solaris. Revert back to byte-at-a-time, but do fewer bytes to avoid a performance hit. svn path=/trunk/; revision=52617
Diffstat (limited to 'epan/wmem')
-rw-r--r--epan/wmem/wmem_allocator_strict.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/epan/wmem/wmem_allocator_strict.c b/epan/wmem/wmem_allocator_strict.c
index 4f1f5f9db8..a67720c7a4 100644
--- a/epan/wmem/wmem_allocator_strict.c
+++ b/epan/wmem/wmem_allocator_strict.c
@@ -39,8 +39,8 @@
* possible.
*/
-#define WMEM_CANARY_SIZE 4 /* in units of guint32 */
-#define WMEM_CANARY_VALUE 0x8EE8D476
+#define WMEM_CANARY_SIZE 4 /* in bytes */
+#define WMEM_CANARY_VALUE 0x9E
#define WMEM_PREFILL 0xA1
#define WMEM_POSTFILL 0x1A
@@ -49,9 +49,9 @@ typedef struct _wmem_strict_allocator_block_t {
/* Just the length of real_data, not counting the canaries */
gsize data_len;
- guint32 *leading_canary;
- guint8 *real_data;
- guint32 *trailing_canary;
+ guint8 *leading_canary;
+ guint8 *real_data;
+ guint8 *trailing_canary;
} wmem_strict_allocator_block_t;
typedef struct _wmem_strict_allocator_t {
@@ -105,11 +105,11 @@ wmem_strict_block_new(const size_t size)
block = wmem_new(NULL, wmem_strict_allocator_block_t);
block->data_len = size;
- block->leading_canary = (guint32 *)wmem_alloc(NULL, block->data_len + (2 * sizeof(guint32) * WMEM_CANARY_SIZE));
- block->real_data = (guint8 *)(block->leading_canary + WMEM_CANARY_SIZE);
- block->trailing_canary = (guint32 *)(block->real_data + block->data_len);
+ block->leading_canary = (guint8 *)wmem_alloc(NULL, block->data_len + (2 * WMEM_CANARY_SIZE));
+ block->real_data = block->leading_canary + WMEM_CANARY_SIZE;
+ block->trailing_canary = block->real_data + block->data_len;
- memset(block->real_data, WMEM_PREFILL, block->data_len);
+ memset(block->real_data, WMEM_PREFILL, block->data_len);
for (i=0; i<WMEM_CANARY_SIZE; i++) {
block->leading_canary[i] = WMEM_CANARY_VALUE;
block->trailing_canary[i] = WMEM_CANARY_VALUE;