diff options
-rw-r--r-- | src/util/ralloc.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/util/ralloc.c b/src/util/ralloc.c index 745b4cf1226..fc35661996d 100644 --- a/src/util/ralloc.c +++ b/src/util/ralloc.c @@ -552,10 +552,18 @@ ralloc_vasprintf_rewrite_tail(char **str, size_t *start, const char *fmt, */ #define MIN_LINEAR_BUFSIZE 2048 -#define SUBALLOC_ALIGNMENT sizeof(uintptr_t) +#define SUBALLOC_ALIGNMENT 8 #define LMAGIC 0x87b9c7d3 -struct linear_header { +struct +#ifdef _MSC_VER + __declspec(align(8)) +#elif defined(__LP64__) + __attribute__((aligned(16))) +#else + __attribute__((aligned(8))) +#endif + linear_header { #ifndef NDEBUG unsigned magic; /* for debugging */ #endif @@ -647,6 +655,8 @@ linear_alloc_child(void *parent, unsigned size) ptr = (linear_size_chunk *)((char*)&latest[1] + latest->offset); ptr->size = size; latest->offset += full_size; + + assert((uintptr_t)&ptr[1] % SUBALLOC_ALIGNMENT == 0); return &ptr[1]; } |