diff options
Diffstat (limited to 'lib/isc/mem.c')
| -rw-r--r-- | lib/isc/mem.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/isc/mem.c b/lib/isc/mem.c index dac706d60fd5..64df00b33269 100644 --- a/lib/isc/mem.c +++ b/lib/isc/mem.c @@ -1405,7 +1405,11 @@ isc__mem_reallocate(isc_mem_t *ctx, void *ptr, size_t size FLARG) { oldsize = (((size_info *)ptr)[-1]).u.size; INSIST(oldsize >= ALIGNMENT_SIZE); oldsize -= ALIGNMENT_SIZE; - copysize = oldsize > size ? size : oldsize; + if ((isc_mem_debugging & ISC_MEM_DEBUGCTX) != 0) { + INSIST(oldsize >= ALIGNMENT_SIZE); + oldsize -= ALIGNMENT_SIZE; + } + copysize = (oldsize > size) ? size : oldsize; memcpy(new_ptr, ptr, copysize); isc__mem_free(ctx, ptr FLARG_PASS); } |