diff options
| -rw-r--r-- | src/H5G.c | 47 |
1 files changed, 42 insertions, 5 deletions
@@ -678,7 +678,7 @@ H5Gunlink(hid_t loc_id, const char *name) */ herr_t H5Gget_objinfo(hid_t loc_id, const char *name, hbool_t follow_link, - H5G_stat_t *statbuf/*out*/) + H5G_stat_t *statbuf/*out*/) { H5G_entry_t *loc = NULL; @@ -2111,7 +2111,7 @@ H5G_link (H5G_entry_t *loc, H5G_link_t type, const char *cur_name, */ herr_t H5G_get_objinfo (H5G_entry_t *loc, const char *name, hbool_t follow_link, - H5G_stat_t *statbuf/*out*/) + H5G_stat_t *statbuf/*out*/) { H5O_stab_t stab_mesg; H5G_entry_t grp_ent, obj_ent; @@ -2419,15 +2419,52 @@ H5G_unlink(H5G_entry_t *loc, const char *name) herr_t H5G_move(H5G_entry_t *loc, const char *src_name, const char *dst_name) { + H5G_stat_t sb; + char *linkval=NULL; + size_t lv_size=32; + FUNC_ENTER(H5G_move, FAIL); assert(loc); assert(src_name && *src_name); assert(dst_name && *dst_name); - if (H5G_link(loc, H5G_LINK_HARD, src_name, dst_name)<0) { - HRETURN_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, - "unable to register new name for object"); + if (H5G_get_objinfo(loc, src_name, FALSE, &sb)<0) { + HRETURN_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "object not found"); } + if (H5G_LINK==sb.type) { + /* + * When renaming a symbolic link we rename the link but don't change + * the value of the link. + */ + do { + if (NULL==(linkval=H5MM_realloc(linkval, 2*lv_size))) { + HRETURN_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, + "unable to allocate space for symbolic link " + "value"); + } + linkval[lv_size-1] = '\0'; + if (H5G_linkval(loc, src_name, lv_size, linkval)<0) { + HRETURN_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, + "unable to read symbolic link value"); + } + } while (linkval[lv_size-1]); + if (H5G_link(loc, H5G_LINK_SOFT, linkval, dst_name)<0) { + HRETURN_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, + "unable to rename symbolic link"); + } + H5MM_xfree(linkval); + + } else { + /* + * Rename the object. + */ + if (H5G_link(loc, H5G_LINK_HARD, src_name, dst_name)<0) { + HRETURN_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, + "unable to register new name for object"); + } + } + + /* Remove the old name */ if (H5G_unlink(loc, src_name)<0) { HRETURN_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "unable to deregister old object name"); |