diff options
Diffstat (limited to 'src/H5S.c')
| -rw-r--r-- | src/H5S.c | 28 |
1 files changed, 24 insertions, 4 deletions
@@ -32,6 +32,9 @@ #include "H5Oprivate.h" /* object headers */ #include "H5Spkg.h" /* Dataspace functions */ +/* Local macro definitions */ +#define H5S_ENCODE_VERSION 0 + /* Local static function prototypes */ static H5S_t * H5S_create(H5S_class_t type); static herr_t H5S_set_extent_simple (H5S_t *space, unsigned rank, @@ -1828,16 +1831,22 @@ H5S_encode(H5S_t *obj, unsigned char *buf, size_t *nalloc) /* Verify the size of buffer. If it's not big enough, simply return the * right size without filling the buffer. */ - if(!buf || *nalloc<(extent_size+select_size+3)) { - *nalloc = extent_size+select_size+3; + if(!buf || *nalloc<(extent_size+select_size+1+1+1+4)) { + *nalloc = extent_size+select_size+1+1+1+4; HGOTO_DONE(ret_value); } + /* Encode the type of the information */ + *buf++ = H5O_SDSPACE_ID; + + /* Encode the version of the dataspace information */ + *buf++ = H5S_ENCODE_VERSION; + /* Encode the "size of size" information */ *buf++ = f.shared->sizeof_size; /* Encode size of extent information. Pointer is actually moved in this macro. */ - UINT16ENCODE(buf, extent_size); + UINT32ENCODE(buf, extent_size); /* Encode the extent part of dataspace */ if(H5O_encode(&f, buf, obj, H5O_SDSPACE_ID)<0) @@ -1926,6 +1935,17 @@ H5S_decode(unsigned char *buf) FUNC_ENTER_NOAPI(H5S_decode, NULL); + /* Initialize this before anything goes bad... */ + f.shared=NULL; + + /* Decode the type of the information */ + if(*buf++ != H5O_SDSPACE_ID) + HGOTO_ERROR(H5E_DATASPACE, H5E_BADMESG, NULL, "not an encoded dataspace"); + + /* Decode the version of the dataspace information */ + if(*buf++ != H5S_ENCODE_VERSION) + HGOTO_ERROR(H5E_DATASPACE, H5E_VERSION, NULL, "unknown version of encoded dataspace"); + /* Fake file structure, used only for header message operation */ f.shared = (H5F_file_t*)H5MM_calloc(sizeof(H5F_file_t)); @@ -1933,7 +1953,7 @@ H5S_decode(unsigned char *buf) f.shared->sizeof_size = *buf++; /* Decode size of extent information */ - UINT16DECODE(buf, extent_size); + UINT32DECODE(buf, extent_size); /* Decode the extent part of dataspace */ if((extent = H5O_decode(&f, buf, H5O_SDSPACE_ID))==NULL) |