diff options
| -rw-r--r-- | lib/replace/replace.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/replace/replace.h b/lib/replace/replace.h index da5526c4a2f..bd7f6e53e81 100644 --- a/lib/replace/replace.h +++ b/lib/replace/replace.h @@ -865,6 +865,17 @@ typedef unsigned long long ptrdiff_t ; #define BURN_PTR_SIZE(x, s) memset_s((x), (s), 0, (s)) /** + * Explicitly zero data in string. This is guaranteed to be not optimized + * away. + */ +#define BURN_STR(x) do { \ + if ((x) != NULL) { \ + size_t s = strlen(x); \ + memset_s((x), s, 0, s); \ + } \ + } while(0) + +/** * Work out how many elements there are in a static array. */ #ifdef ARRAY_SIZE |