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-rw-r--r--source3/lib/talloc.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/source3/lib/talloc.c b/source3/lib/talloc.c
index 46abd89bac..15b0f4ea7d 100644
--- a/source3/lib/talloc.c
+++ b/source3/lib/talloc.c
@@ -94,17 +94,20 @@ struct talloc_chunk {
struct talloc_chunk *parent, *child;
struct talloc_reference_handle *refs;
size_t size;
- unsigned magic;
talloc_destructor_t destructor;
const char *name;
+ union {
+ unsigned magic;
+ double align_dummy;
+ } u;
};
/* panic if we get a bad magic value */
static struct talloc_chunk *talloc_chunk_from_ptr(const void *ptr)
{
struct talloc_chunk *tc = discard_const_p(struct talloc_chunk, ptr)-1;
- if (tc->magic != TALLOC_MAGIC) {
- if (tc->magic == TALLOC_MAGIC_FREE) {
+ if (tc->u.magic != TALLOC_MAGIC) {
+ if (tc->u.magic == TALLOC_MAGIC_FREE) {
TALLOC_ABORT("Bad talloc magic value - double free");
} else {
TALLOC_ABORT("Bad talloc magic value - unknown value");
@@ -177,7 +180,7 @@ void *_talloc(const void *context, size_t size)
if (tc == NULL) return NULL;
tc->size = size;
- tc->magic = TALLOC_MAGIC;
+ tc->u.magic = TALLOC_MAGIC;
tc->destructor = NULL;
tc->child = NULL;
tc->name = NULL;
@@ -556,7 +559,7 @@ int talloc_free(void *ptr)
if (tc->next) tc->next->prev = tc->prev;
}
- tc->magic = TALLOC_MAGIC_FREE;
+ tc->u.magic = TALLOC_MAGIC_FREE;
free(tc);
return 0;
@@ -596,7 +599,7 @@ void *_talloc_realloc(const void *context, void *ptr, size_t size, const char *n
}
/* by resetting magic we catch users of the old memory */
- tc->magic = TALLOC_MAGIC_FREE;
+ tc->u.magic = TALLOC_MAGIC_FREE;
#if ALWAYS_REALLOC
new_ptr = malloc(size + sizeof(*tc));
@@ -608,12 +611,12 @@ void *_talloc_realloc(const void *context, void *ptr, size_t size, const char *n
new_ptr = realloc(tc, size + sizeof(*tc));
#endif
if (!new_ptr) {
- tc->magic = TALLOC_MAGIC;
+ tc->u.magic = TALLOC_MAGIC;
return NULL;
}
tc = new_ptr;
- tc->magic = TALLOC_MAGIC;
+ tc->u.magic = TALLOC_MAGIC;
if (tc->parent) {
tc->parent->child = new_ptr;
}