diff options
Diffstat (limited to 'src/H5Odtype.c')
| -rw-r--r-- | src/H5Odtype.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/H5Odtype.c b/src/H5Odtype.c index c890a03..8e44223 100644 --- a/src/H5Odtype.c +++ b/src/H5Odtype.c @@ -55,6 +55,8 @@ const H5O_class_t H5O_DTYPE[1] = {{ H5O_dtype_debug, /* debug the message */ }}; +#define H5O_DTYPE_VERSION 1 + /* Interface initialization */ static hbool_t interface_initialize_g = FALSE; #define INTERFACE_INIT NULL @@ -78,7 +80,7 @@ static hbool_t interface_initialize_g = FALSE; static herr_t H5O_dtype_decode_helper(const uint8 **pp, H5T_t *dt) { - uintn flags, perm_word; + uintn flags, perm_word, version; intn i, j; FUNC_ENTER(H5O_dtype_decode_helper, FAIL); @@ -89,7 +91,12 @@ H5O_dtype_decode_helper(const uint8 **pp, H5T_t *dt) /* decode */ UINT32DECODE(*pp, flags); - dt->type = (H5T_class_t)(flags & 0xff); + version = (flags>>4) & 0x0f; + if (version!=H5O_DTYPE_VERSION) { + HRETURN_ERROR(H5E_DATATYPE, H5E_CANTLOAD, FAIL, + "bad version number for data type message"); + } + dt->type = (H5T_class_t)(flags & 0x0f); flags >>= 8; UINT32DECODE(*pp, dt->size); @@ -455,7 +462,7 @@ H5O_dtype_encode_helper(uint8 **pp, const H5T_t *dt) break; } - *hdr++ = dt->type; + *hdr++ = ((uintn)(dt->type) & 0x0f) | (H5O_DTYPE_VERSION<<4); *hdr++ = (flags >> 0) & 0xff; *hdr++ = (flags >> 8) & 0xff; *hdr++ = (flags >> 16) & 0xff; |