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FS-10167 encore

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This commit is contained in:
Anthony Minessale committed 2017-03-27 12:08:55 -05:00
1 parent ac3d685191
commit e1d596d0c9
2 files changed
+13 -8
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libs/libks/src/ks_pool.c
+9 -5
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@@ -53,6 +53,7 @@ typedef struct alloc_prefix_s {
unsigned long size;
unsigned char m2;
unsigned int refs;
unsigned int padding;
} alloc_prefix_t;
#define PREFIX_SIZE sizeof(struct alloc_prefix_s)
@@ -780,8 +781,6 @@ static void *get_space(ks_pool_t *mp_p, const unsigned long byte_size, unsigned
void *free_addr = NULL, *free_end;
size = byte_size;
*padding = 0;
while ((size & (sizeof(void *) - 1)) > 0) {
size++;
}
@@ -950,18 +949,22 @@ static void *alloc_mem(ks_pool_t *mp_p, const unsigned long byte_size, ks_status
/* get our free space + the space for the fence post */
addr = get_space(mp_p, size + fence + PREFIX_SIZE, &padding, error_p);
if (addr == NULL) {
/* error_p set in get_space */
return NULL;
}
write_magic((char *) addr + size + PREFIX_SIZE);
prefix = (alloc_prefix_t *) addr;
prefix->m1 = PRE_MAGIC1;
prefix->m2 = PRE_MAGIC2;
prefix->size = size + fence + PREFIX_SIZE + padding;
prefix->refs = 1;
prefix->padding = padding;
write_magic((char *) prefix + prefix->size - padding - fence);
if (mp_p->mp_log_func != NULL) {
mp_p->mp_log_func(mp_p, KS_POOL_FUNC_INCREF, prefix->size, prefix->refs, NULL, addr, 0);
}
@@ -1039,7 +1042,7 @@ static int free_mem(ks_pool_t *mp_p, void *addr)
}
/* find the user's magic numbers */
ret = check_magic(addr, size - FENCE_SIZE - PREFIX_SIZE);
ret = check_magic(prefix, prefix->size - FENCE_SIZE - prefix->padding);
perform_pool_cleanup_on_free(mp_p, addr);
@@ -1882,7 +1885,8 @@ KS_DECLARE(void *) ks_pool_resize_ex(ks_pool_t *mp_p, void *old_addr, const unsi
}
if (old_byte_size > 0) {
ret = check_magic(old_addr, old_byte_size - FENCE_SIZE - PREFIX_SIZE);
ret = check_magic(prefix, prefix->size - FENCE_SIZE - prefix->padding);
if (ret != KS_STATUS_SUCCESS) {
if (!(mp_p->mp_flags & KS_POOL_FLAG_NO_ASSERT)) {
abort();