diff options
Diffstat (limited to 'src/H5S.c')
-rw-r--r-- | src/H5S.c | 44 |
1 files changed, 21 insertions, 23 deletions
@@ -53,8 +53,6 @@ /* Local Prototypes */ /********************/ static htri_t H5S_is_simple(const H5S_t *sdim); -static herr_t H5S_encode(H5S_t *obj, unsigned char *buf, size_t *nalloc); -static H5S_t *H5S_decode(const unsigned char *buf); /*********************/ @@ -1506,7 +1504,7 @@ H5Sencode(hid_t obj_id, void *buf, size_t *nalloc) if (NULL==(dspace=(H5S_t *)H5I_object_verify(obj_id, H5I_DATASPACE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataspace") - if(H5S_encode(dspace, (unsigned char *)buf, nalloc)<0) + if(H5S_encode(dspace, (unsigned char **)&buf, nalloc)<0) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTENCODE, FAIL, "can't encode datatype") done: @@ -1530,8 +1528,8 @@ done: * *------------------------------------------------------------------------- */ -static herr_t -H5S_encode(H5S_t *obj, unsigned char *buf, size_t *nalloc) +herr_t +H5S_encode(H5S_t *obj, unsigned char **p, size_t *nalloc) { size_t extent_size; /* Size of serialized dataspace extent */ hssize_t sselect_size; /* Signed size of serialized dataspace selection */ @@ -1556,28 +1554,28 @@ 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 + 1 + 1 + 1 + 4)) + if(!*p || *nalloc < (extent_size + select_size + 1 + 1 + 1 + 4)) *nalloc = extent_size + select_size + 1 + 1 + 1 + 4; else { /* Encode the type of the information */ - *buf++ = H5O_SDSPACE_ID; + *(*p)++ = H5O_SDSPACE_ID; /* Encode the version of the dataspace information */ - *buf++ = H5S_ENCODE_VERSION; + *(*p)++ = H5S_ENCODE_VERSION; /* Encode the "size of size" information */ - *buf++ = (unsigned char)H5F_SIZEOF_SIZE(f); + *(*p)++ = (unsigned char)H5F_SIZEOF_SIZE(f); /* Encode size of extent information. Pointer is actually moved in this macro. */ - UINT32ENCODE(buf, extent_size); + UINT32ENCODE(*p, extent_size); /* Encode the extent part of dataspace */ - if(H5O_msg_encode(f, H5O_SDSPACE_ID, TRUE, buf, obj) < 0) + if(H5O_msg_encode(f, H5O_SDSPACE_ID, TRUE, *p, obj) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTENCODE, FAIL, "can't encode extent space") - buf += extent_size; + *p += extent_size; /* Encode the selection part of dataspace. */ - if(H5S_SELECT_SERIALIZE(f, obj, &buf) < 0) + if(H5S_SELECT_SERIALIZE(f, obj, p) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTENCODE, FAIL, "can't encode select space") } /* end else */ @@ -1618,7 +1616,7 @@ H5Sdecode(const void *buf) if(buf == NULL) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "empty buffer") - if((ds = H5S_decode((const unsigned char *)buf)) == NULL) + if((ds = H5S_decode((const unsigned char **)&buf)) == NULL) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDECODE, FAIL, "can't decode object") /* Register the type and return the ID */ @@ -1646,8 +1644,8 @@ done: * *------------------------------------------------------------------------- */ -static H5S_t* -H5S_decode(const unsigned char *buf) +H5S_t* +H5S_decode(const unsigned char **p) { H5S_t *ds; H5S_extent_t *extent; @@ -1659,28 +1657,28 @@ H5S_decode(const unsigned char *buf) FUNC_ENTER_NOAPI_NOINIT /* Decode the type of the information */ - if(*buf++ != H5O_SDSPACE_ID) + if(*(*p)++ != 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) + if(*(*p)++ != H5S_ENCODE_VERSION) HGOTO_ERROR(H5E_DATASPACE, H5E_VERSION, NULL, "unknown version of encoded dataspace") /* Decode the "size of size" information */ - sizeof_size = *buf++; + sizeof_size = *(*p)++; /* Allocate "fake" file structure */ if(NULL == (f = H5F_fake_alloc(sizeof_size))) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTALLOC, NULL, "can't allocate fake file struct") /* Decode size of extent information */ - UINT32DECODE(buf, extent_size); + UINT32DECODE(*p, extent_size); /* Decode the extent part of dataspace */ /* (pass mostly bogus file pointer and bogus DXPL) */ - if((extent = (H5S_extent_t *)H5O_msg_decode(f, H5P_DEFAULT, NULL, H5O_SDSPACE_ID, buf))==NULL) + if((extent = (H5S_extent_t *)H5O_msg_decode(f, H5P_DEFAULT, NULL, H5O_SDSPACE_ID, *p))==NULL) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDECODE, NULL, "can't decode object") - buf += extent_size; + *p += extent_size; /* Copy the extent into dataspace structure */ if((ds = H5FL_CALLOC(H5S_t))==NULL) @@ -1696,7 +1694,7 @@ H5S_decode(const unsigned char *buf) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTSET, NULL, "unable to set all selection") /* Decode the select part of dataspace. I believe this part always exists. */ - if(H5S_SELECT_DESERIALIZE(f, &ds, &buf) < 0) + if(H5S_SELECT_DESERIALIZE(f, &ds, p) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDECODE, NULL, "can't decode space selection") /* Set return value */ |