diff options
Diffstat (limited to 'src/basic')
| -rw-r--r-- | src/basic/alloc-util.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/basic/alloc-util.h b/src/basic/alloc-util.h index 88cd6b0bc2..bae6a28451 100644 --- a/src/basic/alloc-util.h +++ b/src/basic/alloc-util.h @@ -18,9 +18,17 @@ #define new0(t, n) ((t*) calloc((n), sizeof(t))) -#define newa(t, n) ((t*) alloca(sizeof(t)*(n))) +#define newa(t, n) \ + ({ \ + assert(!size_multiply_overflow(sizeof(t), n)); \ + (t*) alloca(sizeof(t)*(n)); \ + }) -#define newa0(t, n) ((t*) alloca0(sizeof(t)*(n))) +#define newa0(t, n) \ + ({ \ + assert(!size_multiply_overflow(sizeof(t), n)); \ + (t*) alloca0(sizeof(t)*(n)); \ + }) #define newdup(t, p, n) ((t*) memdup_multiply(p, sizeof(t), (n))) |