diff options
Diffstat (limited to 'sys/kern/subr_poison.c')
| -rw-r--r-- | sys/kern/subr_poison.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/sys/kern/subr_poison.c b/sys/kern/subr_poison.c index f3bf077ff6a..e8038bc3320 100644 --- a/sys/kern/subr_poison.c +++ b/sys/kern/subr_poison.c @@ -16,7 +16,7 @@ */ #include <sys/types.h> -#include <sys/systm.h> +#include <sys/malloc.h> /* * The POISON is used as known text to copy into free objects so @@ -27,33 +27,44 @@ #else #define POISON ((unsigned) 0xdeadbeef) #endif -#define POISON_SIZE 32 +#define POISON_SIZE 64 + +int32_t +poison_value(void *v) +{ + return POISON; +} void poison_mem(void *v, size_t len) { uint32_t *ip = v; size_t i; + int32_t poison; + + poison = poison_value(v); if (len > POISON_SIZE) len = POISON_SIZE; len = len / sizeof(*ip); for (i = 0; i < len; i++) - ip[i] = POISON; + ip[i] = poison; } int poison_check(void *v, size_t len, size_t *pidx, int *pval) { - uint32_t *ip = v; size_t i; + int32_t poison; + + poison = poison_value(v); if (len > POISON_SIZE) len = POISON_SIZE; len = len / sizeof(*ip); for (i = 0; i < len; i++) { - if (ip[i] != POISON) { + if (ip[i] != poison) { *pidx = i; *pval = ip[i]; return 1; |