diff options
Diffstat (limited to 'xorg-server/include/dix.h')
| -rw-r--r-- | xorg-server/include/dix.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/xorg-server/include/dix.h b/xorg-server/include/dix.h index 82bb58cbc..821b0ed68 100644 --- a/xorg-server/include/dix.h +++ b/xorg-server/include/dix.h @@ -74,9 +74,14 @@ SOFTWARE. if ((sizeof(req) >> 2) > client->req_len )\ return(BadLength) +#define REQUEST_AT_LEAST_EXTRA_SIZE(req, extra) \ + if (((sizeof(req) + ((uint64_t) extra)) >> 2) > client->req_len ) \ + return(BadLength) + #define REQUEST_FIXED_SIZE(req, n)\ if (((sizeof(req) >> 2) > client->req_len) || \ - (((sizeof(req) + (n) + 3) >> 2) != client->req_len)) \ + (((n) >> 2) >= client->req_len) || \ + ((((uint64_t) sizeof(req) + (n) + 3) >> 2) != (uint64_t) client->req_len)) \ return(BadLength) #define LEGAL_NEW_RESOURCE(id,client)\ |