/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by the Board of Trustees of the University of Illinois. * * All rights reserved. * * * * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * * the files COPYING and Copyright.html. COPYING can be found at the root * * of the source code distribution tree; Copyright.html can be found at the * * root level of an installed copy of the electronic HDF5 document set and * * is linked from the top-level documents page. It can also be found at * * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have * * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /*------------------------------------------------------------------------- * * Created: H5Olink.c * Aug 29 2005 * Quincey Koziol * * Purpose: Link messages. * *------------------------------------------------------------------------- */ #define H5G_PACKAGE /*suppress error about including H5Gpkg */ #define H5O_PACKAGE /*suppress error about including H5Opkg */ #include "H5private.h" /* Generic Functions */ #include "H5Eprivate.h" /* Error handling */ #include "H5FLprivate.h" /* Free lists */ #include "H5Gpkg.h" /* Groups */ #include "H5Iprivate.h" /* IDs */ #include "H5Lprivate.h" /* Links */ #include "H5MMprivate.h" /* Memory management */ #include "H5Opkg.h" /* Object headers */ /* PRIVATE PROTOTYPES */ static void *H5O_link_decode(H5F_t *f, hid_t dxpl_id, const uint8_t *p); static herr_t H5O_link_encode(H5F_t *f, uint8_t *p, const void *_mesg); static void *H5O_link_copy(const void *_mesg, void *_dest); static size_t H5O_link_size(const H5F_t *f, const void *_mesg); static herr_t H5O_link_reset(void *_mesg); static herr_t H5O_link_free(void *_mesg); /* static herr_t H5O_link_delete(H5F_t *f, hid_t dxpl_id, const void *_mesg, hbool_t adj_link); */ static herr_t H5O_link_pre_copy_file(H5F_t *file_src, const H5O_msg_class_t *type, const void *mesg_src, hbool_t *deleted, const H5O_copy_t *cpy_info, void *udata); static void *H5O_link_copy_file(H5F_t *file_src, const H5O_msg_class_t *mesg_type, void *native_src, H5F_t *file_dst, hid_t dxpl_id, H5O_copy_t *cpy_info, void *udata); static herr_t H5O_link_post_copy_file(const H5O_loc_t *src_oloc, const void *mesg_src, H5O_loc_t *dst_oloc, void *mesg_dst, hid_t dxpl_id, H5O_copy_t *cpy_info); static herr_t H5O_link_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE * stream, int indent, int fwidth); /* This message derives from H5O message class */ const H5O_msg_class_t H5O_MSG_LINK[1] = {{ H5O_LINK_ID, /*message id number */ "link", /*message name for debugging */ sizeof(H5O_link_t), /*native message size */ H5O_link_decode, /*decode message */ H5O_link_encode, /*encode message */ H5O_link_copy, /*copy the native value */ H5O_link_size, /*size of symbol table entry */ H5O_link_reset, /* reset method */ H5O_link_free, /* free method */ H5O_link_delete, /* file delete method */ NULL, /* link method */ NULL, /*get share method */ NULL, /*set share method */ NULL, /*can share method */ NULL, /*is shared method */ H5O_link_pre_copy_file, /* pre copy native value to file */ H5O_link_copy_file, /* copy native value to file */ H5O_link_post_copy_file, /* post copy native value to file */ H5O_link_debug /*debug the message */ }}; /* Current version of link information */ #define H5O_LINK_VERSION 1 /* Flags for link flag encoding */ #define H5O_LINK_FLAG_HAS_CORDER 0x01 /* Declare a free list to manage the H5O_link_t struct */ H5FL_DEFINE_STATIC(H5O_link_t); /*------------------------------------------------------------------------- * Function: H5O_link_decode * * Purpose: Decode a message and return a pointer to * a newly allocated one. * * Return: Success: Ptr to new message in native order. * * Failure: NULL * * Programmer: Quincey Koziol * koziol@ncsa.uiuc.edu * Aug 29 2005 * *------------------------------------------------------------------------- */ static void * H5O_link_decode(H5F_t *f, hid_t UNUSED dxpl_id, const uint8_t *p) { H5O_link_t *lnk = NULL; /* Pointer to link message */ size_t len; /* Length of a string in the message */ unsigned char link_flags; /* Flags for encoding link info */ void *ret_value; /* Return value */ FUNC_ENTER_NOAPI_NOINIT(H5O_link_decode) /* check args */ HDassert(f); HDassert(p); /* decode */ if(*p++ != H5O_LINK_VERSION) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "bad version number for message") /* Allocate space for message */ if(NULL == (lnk = H5FL_CALLOC(H5O_link_t))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") /* Get the encoding flags for the link */ link_flags = *p++; /* Get the type of the link */ lnk->type = *p++; if(lnk->type < H5L_TYPE_HARD || lnk->type > H5L_TYPE_MAX) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "bad link type") /* Get the link creation time from the file */ if(link_flags & H5O_LINK_FLAG_HAS_CORDER) { INT64DECODE(p, lnk->corder) lnk->corder_valid = TRUE; } /* end if */ else { lnk->corder = 0; lnk->corder_valid = FALSE; } /* end else */ /* Get the link name's character set */ lnk->cset = (H5T_cset_t)*p++; if(lnk->cset < H5T_CSET_ASCII || lnk->cset > H5T_CSET_UTF8) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "bad cset type") /* Get the link's name */ UINT32DECODE(p, len) if(len == 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "invalid name length") if(NULL == (lnk->name = H5MM_malloc(len + 1))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") HDmemcpy(lnk->name, p, len); lnk->name[len] = '\0'; p += len; /* Get the appropriate information for each type of link */ switch(lnk->type) { case H5L_TYPE_HARD: /* Get the address of the object the link points to */ H5F_addr_decode(f, &p, &(lnk->u.hard.addr)); break; case H5L_TYPE_SOFT: /* Get the link value */ UINT16DECODE(p, len) if(len == 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "invalid link length") if(NULL == (lnk->u.soft.name = H5MM_malloc((size_t)len + 1))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") HDmemcpy(lnk->u.soft.name, p, len); lnk->u.soft.name[len] = '\0'; p += len; break; /* User-defined links */ default: if(lnk->type < H5L_TYPE_UD_MIN || lnk->type > H5L_TYPE_MAX) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "unknown link type") /* A UD link. Get the user-supplied data */ UINT16DECODE(p, len) lnk->u.ud.size = len; if(len > 0) { if(NULL == (lnk->u.ud.udata = H5MM_malloc((size_t)len))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") HDmemcpy(lnk->u.ud.udata, p, len); p += len; } else lnk->u.ud.udata = NULL; } /* end switch */ /* Set return value */ ret_value = lnk; done: if(ret_value == NULL) if(lnk != NULL) { if(lnk->name != NULL) H5MM_xfree(lnk->name); if(lnk->type == H5L_TYPE_SOFT && lnk->u.soft.name != NULL) H5MM_xfree(lnk->u.soft.name); if(lnk->type >= H5L_TYPE_UD_MIN && lnk->u.ud.size > 0 && lnk->u.ud.udata != NULL) H5MM_xfree(lnk->u.ud.udata); H5FL_FREE(H5O_link_t, lnk); } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_link_decode() */ /*------------------------------------------------------------------------- * Function: H5O_link_encode * * Purpose: Encodes a link message. * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * koziol@ncsa.uiuc.edu * Aug 29 2005 * *------------------------------------------------------------------------- */ static herr_t H5O_link_encode(H5F_t *f, uint8_t *p, const void *_mesg) { const H5O_link_t *lnk = (const H5O_link_t *) _mesg; size_t len; /* Length of a string in the message */ unsigned char link_flags; /* Flags for encoding link info */ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_link_encode) /* check args */ HDassert(f); HDassert(p); HDassert(lnk); /* encode */ *p++ = H5O_LINK_VERSION; /* The encoding flags for the link */ link_flags = lnk->corder_valid ? H5O_LINK_FLAG_HAS_CORDER : 0; *p++ = link_flags; /* Store the type of the link */ *p++ = lnk->type; /* Store the link creation order in the file, if its valid */ if(lnk->corder_valid) INT64ENCODE(p, lnk->corder) /* Store the link name's character set */ *p++ = (uint8_t)lnk->cset; /* Store the link's name */ len = HDstrlen(lnk->name); HDassert(len > 0); UINT32ENCODE(p, (uint32_t)len) HDmemcpy(p, lnk->name, len); p += len; /* Store the appropriate information for each type of link */ switch(lnk->type) { case H5L_TYPE_HARD: /* Store the address of the object the link points to */ H5F_addr_encode(f, &p, lnk->u.hard.addr); break; case H5L_TYPE_SOFT: /* Store the link value */ len = (uint16_t)HDstrlen(lnk->u.soft.name); HDassert(len > 0); UINT16ENCODE(p, len) HDmemcpy(p, lnk->u.soft.name, len); p += len; break; /* User-defined links */ default: HDassert(lnk->type >= H5L_TYPE_UD_MIN && lnk->type <= H5L_TYPE_MAX); /* Store the user-supplied data, however long it is */ len = (uint16_t)lnk->u.ud.size; UINT16ENCODE(p, len) if(len > 0) { HDmemcpy(p, lnk->u.ud.udata, len); p+=len; } break; } /* end switch */ FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5O_link_encode() */ /*------------------------------------------------------------------------- * Function: H5O_link_copy * * Purpose: Copies a message from _MESG to _DEST, allocating _DEST if * necessary. * * Return: Success: Ptr to _DEST * * Failure: NULL * * Programmer: Quincey Koziol * koziol@ncsa.uiuc.edu * Aug 29 2005 * *------------------------------------------------------------------------- */ static void * H5O_link_copy(const void *_mesg, void *_dest) { const H5O_link_t *lnk = (const H5O_link_t *) _mesg; H5O_link_t *dest = (H5O_link_t *) _dest; void *ret_value; /* Return value */ FUNC_ENTER_NOAPI_NOINIT(H5O_link_copy) /* Check args */ HDassert(lnk); if(!dest && NULL == (dest = H5FL_MALLOC(H5O_link_t))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") /* Copy static information */ *dest = *lnk; /* Duplicate the link's name */ HDassert(lnk->name); if(NULL == (dest->name = H5MM_xstrdup(lnk->name))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't duplicate link name") /* Copy other information needed for different link types */ if(lnk->type == H5L_TYPE_SOFT) { if(NULL == (dest->u.soft.name = H5MM_xstrdup(lnk->u.soft.name))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't duplicate soft link value") } /* end if */ else if(lnk->type >= H5L_TYPE_UD_MIN) { if(lnk->u.ud.size > 0) { if(NULL == (dest->u.ud.udata = H5MM_malloc(lnk->u.ud.size))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") HDmemcpy(dest->u.ud.udata, lnk->u.ud.udata, lnk->u.ud.size); } /* end if */ } /* end if */ /* Set return value */ ret_value = dest; done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_link_copy() */ /*------------------------------------------------------------------------- * Function: H5O_link_size * * Purpose: Returns the size of the raw message in bytes not counting * the message type or size fields, but only the data fields. * This function doesn't take into account alignment. * * Return: Success: Message data size in bytes without alignment. * * Failure: zero * * Programmer: Quincey Koziol * koziol@ncsa.uiuc.edu * Aug 29 2005 * *------------------------------------------------------------------------- */ static size_t H5O_link_size(const H5F_t *f, const void *_mesg) { const H5O_link_t *lnk = (const H5O_link_t *)_mesg; size_t ret_value; /* Return value */ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_link_size) /* Set return value */ ret_value = 1 + /* Version */ 1 + /* Link encoding flags */ 1 + /* Link type */ (lnk->corder_valid ? 8 : 0) + /* Creation order */ 1 + /* Character set */ 4 + /* Name length */ HDstrlen(lnk->name); /* Name */ /* Add the appropriate length for each type of link */ switch(lnk->type) { case H5L_TYPE_HARD: ret_value += H5F_SIZEOF_ADDR(f); break; case H5L_TYPE_SOFT: ret_value += 2 + /* Link value length */ HDstrlen(lnk->u.soft.name); /* Link value */ break; default: /* Default is user-defined link type */ HDassert(lnk->type >= H5L_TYPE_UD_MIN); ret_value += 2 + /* User-defined data size */ lnk->u.ud.size; /* User-defined data */ break; } /* end switch */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_link_size() */ /*------------------------------------------------------------------------- * Function: H5O_link_reset * * Purpose: Frees resources within a message, but doesn't free * the message itself. * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Monday, August 29, 2005 * *------------------------------------------------------------------------- */ static herr_t H5O_link_reset(void *_mesg) { H5O_link_t *lnk = (H5O_link_t *)_mesg; FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_link_reset) if(lnk) { /* Free information for link (but don't free link pointer) */ if(lnk->type == H5L_TYPE_SOFT) lnk->u.soft.name = H5MM_xfree(lnk->u.soft.name); else if (lnk->type >= H5L_TYPE_UD_MIN) { if(lnk->u.ud.size > 0) lnk->u.ud.udata = H5MM_xfree(lnk->u.ud.udata); } /* end if */ lnk->name = H5MM_xfree(lnk->name); } /* end if */ FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5O_link_reset() */ /*------------------------------------------------------------------------- * Function: H5O_link_free * * Purpose: Free's the message contents and the message itself * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Monday, August 29, 2005 * *------------------------------------------------------------------------- */ static herr_t H5O_link_free(void *_mesg) { H5O_link_t *lnk = (H5O_link_t *)_mesg; FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_link_free) HDassert(lnk); /* Free information for link */ H5O_link_reset(lnk); H5FL_FREE(H5O_link_t, lnk); FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5O_link_free() */ /*------------------------------------------------------------------------- * Function: H5O_link_delete * * Purpose: Free file space referenced by message * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Monday, August 29, 2005 * *------------------------------------------------------------------------- */ herr_t H5O_link_delete(H5F_t *f, hid_t dxpl_id, const void *_mesg, hbool_t adj_link) { const H5O_link_t *lnk = (const H5O_link_t *)_mesg; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(H5O_link_delete, FAIL) /* check args */ HDassert(f); HDassert(lnk); /* Check for adjusting the link count when the link is removed */ if(adj_link) { /* Adjust the reference count of the object when a hard link is removed */ if(lnk->type == H5L_TYPE_HARD) { H5O_loc_t oloc; /* Construct object location for object, in order to decrement it's ref count */ H5O_loc_reset(&oloc); oloc.file = f; HDassert(H5F_addr_defined(lnk->u.hard.addr)); oloc.addr = lnk->u.hard.addr; /* Decrement the ref count for the object */ if(H5O_link(&oloc, -1, dxpl_id) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTFREE, FAIL, "unable to decrement object link count") } /* end if */ /* Perform the "delete" callback when a user-defined link is removed */ else if(lnk->type >= H5L_TYPE_UD_MIN) { const H5L_class_t *link_class; /* User-defined link class */ /* Get the link class for this type of link. */ if(NULL == (link_class = H5L_find_class(lnk->type))) HGOTO_ERROR(H5E_LINK, H5E_NOTREGISTERED, FAIL, "link class not registered") /* Check for delete callback */ if(link_class->del_func) { hid_t file_id; /* ID for the file the link is located in (passed to user callback) */ /* Get a file ID for the file the link is in */ if((file_id = H5F_get_id(f)) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to get file ID") /* Call user-defined link's 'delete' callback */ if((link_class->del_func)(lnk->name, file_id, lnk->u.ud.udata, lnk->u.ud.size) < 0) { H5I_dec_ref(file_id); HGOTO_ERROR(H5E_OHDR, H5E_CALLBACK, FAIL, "link deletion callback returned failure") } /* end if */ /* Release the file ID */ if(H5I_dec_ref(file_id) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTCLOSEFILE, FAIL, "can't close file") } /* end if */ } /* end if */ } /* end if */ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_link_delete() */ /*------------------------------------------------------------------------- * Function: H5O_link_pre_copy_file * * Purpose: Perform any necessary actions before copying message between * files for link messages. * * Return: Success: Non-negative * * Failure: Negative * * Programmer: Quincey Koziol * Monday, June 26, 2006 * *------------------------------------------------------------------------- */ static herr_t H5O_link_pre_copy_file(H5F_t UNUSED *file_src, const H5O_msg_class_t UNUSED *type, const void UNUSED *native_src, hbool_t *deleted, const H5O_copy_t *cpy_info, void UNUSED *udata) { FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_link_pre_copy_file) /* check args */ HDassert(deleted); HDassert(cpy_info); /* If we are performing a 'shallow hierarchy' copy, and this link won't * be included in the final group, indicate that it should be deleted * in the destination object header before performing any other actions * on it. */ if(cpy_info->max_depth >= 0 && cpy_info->curr_depth >= cpy_info->max_depth) *deleted = TRUE; FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5O_link_pre_copy_file() */ /*------------------------------------------------------------------------- * Function: H5O_link_copy_file * * Purpose: Copies a message from _MESG to _DEST in file * * Return: Success: Ptr to _DEST * * Failure: NULL * * Programmer: Quincey Koziol * November 7, 2005 * *------------------------------------------------------------------------- */ static void * H5O_link_copy_file(H5F_t UNUSED *file_src, const H5O_msg_class_t UNUSED *mesg_type, void *native_src, H5F_t UNUSED *file_dst, hid_t UNUSED dxpl_id, H5O_copy_t UNUSED *cpy_info, void UNUSED *udata) { H5O_link_t *link_src = (H5O_link_t *)native_src; H5O_link_t *link_dst = NULL; void *ret_value; /* Return value */ FUNC_ENTER_NOAPI_NOINIT(H5O_link_copy_file) /* check args */ HDassert(link_src); HDassert(cpy_info); HDassert(cpy_info->max_depth < 0 || cpy_info->curr_depth < cpy_info->max_depth); /* Sanity check source link type */ if(link_src->type > H5L_TYPE_SOFT && link_src->type < H5L_TYPE_UD_MIN) HGOTO_ERROR(H5E_SYM, H5E_BADVALUE, NULL, "unrecognized built-in link type") /* Allocate "blank" link for destination */ /* (values will be filled in during 'post copy' operation) */ if(NULL == (link_dst = H5FL_CALLOC(H5O_link_t))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") /* Set return value */ ret_value = link_dst; done: if(!ret_value) if(link_dst) H5O_link_free(link_dst); FUNC_LEAVE_NOAPI(ret_value) } /* H5O_link_copy_file() */ /*------------------------------------------------------------------------- * Function: H5O_link_post_copy_file * * Purpose: Finish copying a message from between files * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * November 7, 2005 * *------------------------------------------------------------------------- */ static herr_t H5O_link_post_copy_file(const H5O_loc_t *src_oloc, const void *mesg_src, H5O_loc_t *dst_oloc, void *mesg_dst, hid_t dxpl_id, H5O_copy_t *cpy_info) { const H5O_link_t *link_src = (const H5O_link_t *)mesg_src; H5O_link_t *link_dst = (H5O_link_t *)mesg_dst; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT(H5O_link_post_copy_file) /* check args */ HDassert(link_src); HDassert(dst_oloc); HDassert(H5F_addr_defined(dst_oloc->addr)); HDassert(dst_oloc->file); HDassert(link_dst); HDassert(cpy_info); HDassert(cpy_info->max_depth < 0 || cpy_info->curr_depth < cpy_info->max_depth); /* Copy the link (and the object it points to) */ if(H5G_link_copy_file(dst_oloc->file, dxpl_id, link_src, src_oloc, link_dst, cpy_info) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "unable to copy link") done: FUNC_LEAVE_NOAPI(ret_value) } /* H5O_link_post_copy_file() */ /*------------------------------------------------------------------------- * Function: H5O_link_debug * * Purpose: Prints debugging info for a message. * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * koziol@ncsa.uiuc.edu * Aug 29 2005 * *------------------------------------------------------------------------- */ static herr_t H5O_link_debug(H5F_t UNUSED *f, hid_t UNUSED dxpl_id, const void *_mesg, FILE * stream, int indent, int fwidth) { const H5O_link_t *lnk = (const H5O_link_t *) _mesg; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT(H5O_link_debug) /* check args */ HDassert(f); HDassert(lnk); HDassert(stream); HDassert(indent >= 0); HDassert(fwidth >= 0); HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth, "Link Type:", (lnk->type == H5L_TYPE_HARD ? "Hard" : (lnk->type == H5L_TYPE_SOFT ? "Soft" : (lnk->type == H5L_TYPE_EXTERNAL ? "External" : (lnk->type >= H5L_TYPE_UD_MIN ? "User-defined" : "Unknown"))))); if(lnk->corder_valid) HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth, "Creation Order:", lnk->corder); HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth, "Link Name Character Set:", (lnk->cset == H5T_CSET_ASCII ? "ASCII" : (lnk->cset == H5T_CSET_UTF8 ? "UTF-8" : "Unknown"))); HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth, "Link Name:", lnk->name); /* Display link-specific information */ switch(lnk->type) { case H5L_TYPE_HARD: HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth, "Object address:", lnk->u.hard.addr); break; case H5L_TYPE_SOFT: HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth, "Link Value:", lnk->u.soft.name); break; default: if(lnk->type >= H5L_TYPE_UD_MIN) { if(lnk->type == H5L_TYPE_EXTERNAL) { const char * objname = (const char *)lnk->u.ud.udata + (HDstrlen(lnk->u.ud.udata) + 1); HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth, "External File Name:", lnk->u.ud.udata); HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth, "External Object Name:", objname); } /* end if */ else { HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth, "User-Defined Link Size:", lnk->u.ud.size); } /* end else */ } /* end if */ else HGOTO_ERROR(H5E_SYM, H5E_BADVALUE, FAIL, "unrecognized link type") break; } /* end switch */ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_link_debug() */