diff options
Diffstat (limited to 'src/H5T.c')
| -rw-r--r-- | src/H5T.c | 24 |
1 files changed, 13 insertions, 11 deletions
@@ -3712,7 +3712,7 @@ H5T_set_size(H5T_t *dt, size_t size) case H5T_COMPOUND: /* If decreasing size, check the last member isn't being cut. */ if(size<dt->shared->size) { - int num_membs; + int num_membs = 0; unsigned i, max_index=0; size_t memb_offset, max_offset=0; size_t max_size; @@ -3720,18 +3720,20 @@ H5T_set_size(H5T_t *dt, size_t size) if((num_membs = H5T_get_nmembers(dt))<0) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "unable to get number of members"); - for(i=0; i<(unsigned)num_membs; i++) { - memb_offset = H5T_get_member_offset(dt, i); - if(memb_offset > max_offset) { - max_offset = memb_offset; - max_index = i; - } - } + if(num_membs) { + for(i=0; i<(unsigned)num_membs; i++) { + memb_offset = H5T_get_member_offset(dt, i); + if(memb_offset > max_offset) { + max_offset = memb_offset; + max_index = i; + } + } - max_size = H5T_get_member_size(dt, max_index); + max_size = H5T_get_member_size(dt, max_index); - if(size<(max_offset+max_size)) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "size shrinking will cut off last member "); + if(size<(max_offset+max_size)) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "size shrinking will cut off last member "); + } /* Compound must not have been packed previously */ /* We will check if resizing changed the packed state of |