diff options
Diffstat (limited to 'src/H5Tconv.c')
| -rw-r--r-- | src/H5Tconv.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/H5Tconv.c b/src/H5Tconv.c index f151a1a..534820b 100644 --- a/src/H5Tconv.c +++ b/src/H5Tconv.c @@ -2837,7 +2837,13 @@ H5T_conv_vlen(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, size_t nelmts, dst_size=seq_len*dst_base_size; /* Check if conversion buffer is large enough, resize if - * necessary */ + * necessary. If the SEQ_LEN is 0, allocate a minimal size buffer. */ + if(src_size==0 && dst_size==0) { + conv_buf_size=((1/H5T_VLEN_MIN_CONF_BUF_SIZE)+1)*H5T_VLEN_MIN_CONF_BUF_SIZE; + if((conv_buf=H5FL_BLK_REALLOC(vlen_seq,conv_buf, conv_buf_size))==NULL) + HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for type conversion"); + } + if(conv_buf_size<MAX(src_size,dst_size)) { /* Only allocate conversion buffer in H5T_VLEN_MIN_CONF_BUF_SIZE increments */ conv_buf_size=((MAX(src_size,dst_size)/H5T_VLEN_MIN_CONF_BUF_SIZE)+1)*H5T_VLEN_MIN_CONF_BUF_SIZE; |