diff options
Diffstat (limited to 'src/H5Glink.c')
| -rw-r--r-- | src/H5Glink.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/H5Glink.c b/src/H5Glink.c index 1139e7c..018088e 100644 --- a/src/H5Glink.c +++ b/src/H5Glink.c @@ -334,10 +334,15 @@ H5G_link_convert(H5O_link_t *lnk, const H5G_entry_t *ent, const H5HL_t *heap, s = H5HL_offset_into(ent->file, heap, ent->cache.ulink.udata_offset); HDassert(s); - /* Read udata from heap */ - if(NULL== (lnk->u.ud.udata = H5MM_malloc(lnk->u.ud.size))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "unable to allocate memory for user link data") - HDmemcpy(lnk->u.ud.udata, s, lnk->u.ud.size); + /* Read udata from heap if it exists */ + if(lnk->u.ud.size > 0) + { + if(NULL== (lnk->u.ud.udata = H5MM_malloc(lnk->u.ud.size))) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "unable to allocate memory for user link data") + HDmemcpy(lnk->u.ud.udata, s, lnk->u.ud.size); + } + else + lnk->u.ud.udata = NULL; } break; |