From 31c47cacc7f9453153e57319474909d23122883f Mon Sep 17 00:00:00 2001 From: Pavel Březina Date: Mon, 7 Jan 2013 10:34:48 +0100 Subject: memcache: add macro that validates record length --- src/util/mmap_cache.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src/util') diff --git a/src/util/mmap_cache.h b/src/util/mmap_cache.h index 407eeea6..1f99c758 100644 --- a/src/util/mmap_cache.h +++ b/src/util/mmap_cache.h @@ -70,6 +70,12 @@ typedef uint32_t rel_ptr_t; #define MC_VALID_BARRIER(val) (((val) & 0xff000000) == 0xf0000000) +#define MC_CHECK_RECORD_LENGTH(mc_ctx, rec) \ + ((rec)->len >= MC_HEADER_SIZE && (rec)->len != MC_INVALID_VAL32 \ + && ((rec)->len <= ((mc_ctx)->dt_size \ + - MC_PTR_DIFF(rec, (mc_ctx)->data_table)))) + + #define SSS_MC_MAJOR_VNO 0 #define SSS_MC_MINOR_VNO 4 -- cgit