hdf5.git - Mirror from: https://github.com/HDFGroup/hdf5.git

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Diffstat (limited to 'src/H5Dcontig.c')

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1 files changed, 5 insertions, 5 deletions

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * 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 COPYING file, which can be found at the root of the source code * * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. * * If you do not have access to either file, you may request a copy from * * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /*------------------------------------------------------------------------- * * Created: H5Olink.c * Aug 29 2005 * Quincey Koziol <koziol@ncsa.uiuc.edu> * * Purpose: Link messages. * *------------------------------------------------------------------------- */ #define H5G_FRIEND /*suppress error about including H5Gpkg */ #define H5L_FRIEND /*suppress error about including H5Lpkg */ #include "H5Omodule.h" /* This source code file is part of the H5O module */ #include "H5private.h" /* Generic Functions */ #include "H5Eprivate.h" /* Error handling */ #include "H5FLprivate.h" /* Free lists */ #include "H5Gpkg.h" /* Groups */ #include "H5Iprivate.h" /* IDs */ #include "H5Lpkg.h" /* Links */ #include "H5MMprivate.h" /* Memory management */ #include "H5Opkg.h" /* Object headers */ /* PRIVATE PROTOTYPES */ static void *H5O__link_decode(H5F_t *f, H5O_t *open_oh, unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p); static herr_t H5O_link_encode(H5F_t *f, hbool_t disable_shared, 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, hbool_t disable_shared, const void *_mesg); static herr_t H5O__link_reset(void *_mesg); static herr_t H5O__link_free(void *_mesg); static herr_t H5O_link_pre_copy_file(H5F_t *file_src, 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, void *native_src, H5F_t *file_dst, hbool_t *recompute_size, unsigned *mesg_flags, 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, unsigned *mesg_flags, H5O_copy_t *cpy_info); static herr_t H5O__link_debug(H5F_t *f, 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 */ 0, /* messages are sharable? */ 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, /*set share method */ NULL, /*can share 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 */ NULL, /* get creation index */ NULL, /* set creation index */ H5O__link_debug /*debug the message */ }}; /* Current version of link information */ #define H5O_LINK_VERSION 1 /* Flags for link flag encoding */ #define H5O_LINK_NAME_SIZE 0x03 /* 2-bit field for size of name length */ #define H5O_LINK_STORE_CORDER 0x04 /* Whether to store creation index */ #define H5O_LINK_STORE_LINK_TYPE 0x08 /* Whether to store non-default link type */ #define H5O_LINK_STORE_NAME_CSET 0x10 /* Whether to store non-default name character set */ #define H5O_LINK_ALL_FLAGS (H5O_LINK_NAME_SIZE | H5O_LINK_STORE_CORDER | H5O_LINK_STORE_LINK_TYPE | H5O_LINK_STORE_NAME_CSET) /* Individual definitions of name size values */ #define H5O_LINK_NAME_1 0x00 /* Use 1-byte value for name length */ #define H5O_LINK_NAME_2 0x01 /* Use 2-byte value for name length */ #define H5O_LINK_NAME_4 0x02 /* Use 4-byte value for name length */ #define H5O_LINK_NAME_8 0x03 /* Use 8-byte value for name length */ /* 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, H5O_t H5_ATTR_UNUSED *open_oh, unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, size_t H5_ATTR_UNUSED p_size, const uint8_t *p) { H5O_link_t *lnk = NULL; /* Pointer to link message */ size_t len = 0; /* Length of a string in the message */ unsigned char link_flags; /* Flags for encoding link info */ void *ret_value = NULL; /* Return value */ FUNC_ENTER_STATIC /* 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++; if(link_flags & ~H5O_LINK_ALL_FLAGS) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "bad flag value for message") /* Check for non-default link type */ if(link_flags & H5O_LINK_STORE_LINK_TYPE) { /* Get the type of the link */ lnk->type = (H5L_type_t)*p++; if(lnk->type < H5L_TYPE_HARD || lnk->type > H5L_TYPE_MAX) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "bad link type") } /* end if */ else lnk->type = H5L_TYPE_HARD; /* Get the link creation time from the file */ if(link_flags & H5O_LINK_STORE_CORDER) { INT64DECODE(p, lnk->corder) lnk->corder_valid = TRUE; } /* end if */ else { lnk->corder = 0; lnk->corder_valid = FALSE; } /* end else */ /* Check for non-default name character set */ if(link_flags & H5O_LINK_STORE_NAME_CSET) { /* 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") } /* end if */ else lnk->cset = H5T_CSET_ASCII; /* Get the length of the link's name */ switch(link_flags & H5O_LINK_NAME_SIZE) { case 0: /* 1 byte size */ len = *p++; break; case 1: /* 2 byte size */ UINT16DECODE(p, len); break; case 2: /* 4 byte size */ UINT32DECODE(p, len); break; case 3: /* 8 byte size */ UINT64DECODE(p, len); break; default: HDassert(0 && "bad size for name"); } /* end switch */ if(len == 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "invalid name length") /* Get the link's name */ if(NULL == (lnk->name = (char *)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 = (char *)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 */ case H5L_TYPE_EXTERNAL: case H5L_TYPE_ERROR: case H5L_TYPE_MAX: 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); lnk = 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, hbool_t H5_ATTR_UNUSED disable_shared, uint8_t *p, const void *_mesg) { const H5O_link_t *lnk = (const H5O_link_t *) _mesg; uint64_t len; /* Length of a string in the message */ unsigned char link_flags; /* Flags for encoding link info */ FUNC_ENTER_NOAPI_NOINIT_NOERR /* check args */ HDassert(f); HDassert(p); HDassert(lnk); /* Get length of link's name */ len = (uint64_t)HDstrlen(lnk->name); HDassert(len > 0); /* encode */ *p++ = H5O_LINK_VERSION; /* The encoding flags for the link */ if(len > 4294967295) link_flags = H5O_LINK_NAME_8; else if(len > 65535) link_flags = H5O_LINK_NAME_4; else if(len > 255) link_flags = H5O_LINK_NAME_2; else link_flags = H5O_LINK_NAME_1; link_flags = (unsigned char)(link_flags | (lnk->corder_valid ? H5O_LINK_STORE_CORDER : 0)); link_flags = (unsigned char)(link_flags | ((lnk->type != H5L_TYPE_HARD) ? H5O_LINK_STORE_LINK_TYPE : 0)); link_flags = (unsigned char)(link_flags | ((lnk->cset != H5T_CSET_ASCII) ? H5O_LINK_STORE_NAME_CSET : 0)); *p++ = link_flags; /* Store the type of a non-default link */ if(link_flags & H5O_LINK_STORE_LINK_TYPE) *p++ = lnk->type; /* Store the link creation order in the file, if its valid */ if(lnk->corder_valid) INT64ENCODE(p, lnk->corder) /* Store a non-default link name character set */ if(link_flags & H5O_LINK_STORE_NAME_CSET) *p++ = (uint8_t)lnk->cset; /* Store the link name's length */ switch(link_flags & H5O_LINK_NAME_SIZE) { case 0: /* 1 byte size */ *p++ = (uint8_t)len; break; case 1: /* 2 byte size */ UINT16ENCODE(p, len); break; case 2: /* 4 byte size */ UINT32ENCODE(p, len); break; case 3: /* 8 byte size */ UINT64ENCODE(p, len); break; default: HDassert(0 && "bad size for name"); } /* end switch */ /* Store the link's name */ HDmemcpy(p, lnk->name, (size_t)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, (size_t)len); p += len; break; /* User-defined links */ case H5L_TYPE_EXTERNAL: case H5L_TYPE_ERROR: case H5L_TYPE_MAX: 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, (size_t)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 = NULL; /* Return value */ FUNC_ENTER_NOAPI_NOINIT /* 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: if(NULL == ret_value) if(dest) { if(dest->name && dest->name != lnk->name) dest->name = (char *)H5MM_xfree(dest->name); if(NULL == _dest) dest = H5FL_FREE(H5O_link_t ,dest); } /* end if */ 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, hbool_t H5_ATTR_UNUSED disable_shared, const void *_mesg) { const H5O_link_t *lnk = (const H5O_link_t *)_mesg; uint64_t name_len; /* Length of name */ size_t name_size; /* Size of encoded name length */ size_t ret_value = 0; /* Return value */ FUNC_ENTER_NOAPI_NOINIT_NOERR /* Sanity check */ HDcompile_assert(sizeof(uint64_t) >= sizeof(size_t)); /* Get name's length */ name_len = (uint64_t)HDstrlen(lnk->name); /* Determine correct value for name size bits */ if(name_len > 4294967295) name_size = 8; else if(name_len > 65535) name_size = 4; else if(name_len > 255) name_size = 2; else name_size = 1; /* Set return value */ ret_value = 1 + /* Version */ 1 + /* Link encoding flags */ (lnk->type != H5L_TYPE_HARD ? (size_t)1 : 0) + /* Link type */ (lnk->corder_valid ? 8 : 0) + /* Creation order */ (lnk->cset != H5T_CSET_ASCII ? 1 : 0) + /* Character set */ name_size + /* Name length */ name_len; /* 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; case H5L_TYPE_ERROR: case H5L_TYPE_EXTERNAL: case H5L_TYPE_MAX: 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_STATIC_NOERR if(lnk) { /* Free information for link (but don't free link pointer) */ if(lnk->type == H5L_TYPE_SOFT) lnk->u.soft.name = (char *)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 = (char *)H5MM_xfree(lnk->name); } /* end if */ FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5O__link_reset() */ /*------------------------------------------------------------------------- * Function: H5O__link_free * * Purpose: Frees 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_STATIC_NOERR HDassert(lnk); 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, H5O_t H5_ATTR_UNUSED *open_oh, void *_mesg) { H5O_link_t *lnk = (H5O_link_t *)_mesg; hid_t file_id = -1; /* ID for the file the link is located in (passed to user callback) */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* check args */ HDassert(f); HDassert(lnk); /* Check for adjusting the link count when the link is removed */ /* 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) < 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_OHDR, H5E_NOTREGISTERED, FAIL, "link class not registered") /* Check for delete callback */ if(link_class->del_func) { /* 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) HGOTO_ERROR(H5E_OHDR, H5E_CALLBACK, FAIL, "link deletion callback returned failure") } /* end if */ } /* end if */ done: /* Release the file ID */ if(file_id > 0 && H5I_dec_ref(file_id) < 0) HDONE_ERROR(H5E_OHDR, H5E_CANTCLOSEFILE, FAIL, "can't close file") 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 H5_ATTR_UNUSED *file_src, const void H5_ATTR_UNUSED *native_src, hbool_t *deleted, const H5O_copy_t *cpy_info, void H5_ATTR_UNUSED *udata) { FUNC_ENTER_NOAPI_NOINIT_NOERR /* 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 H5_ATTR_UNUSED *file_src, void *native_src, H5F_t H5_ATTR_UNUSED *file_dst, hbool_t H5_ATTR_UNUSED *recompute_size, unsigned H5_ATTR_UNUSED *mesg_flags, H5O_copy_t H5_ATTR_UNUSED *cpy_info, void H5_ATTR_UNUSED *udata) { H5O_link_t *link_src = (H5O_link_t *)native_src; void *ret_value = NULL; /* Return value */ FUNC_ENTER_STATIC /* 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 == (ret_value = H5FL_CALLOC(H5O_link_t))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") done: 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, unsigned H5_ATTR_UNUSED *mesg_flags, 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_STATIC /* 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(H5L__link_copy_file(dst_oloc->file, 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 H5_ATTR_UNUSED *f, 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 /* 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; case H5L_TYPE_ERROR: case H5L_TYPE_EXTERNAL: case H5L_TYPE_MAX: default: if(lnk->type >= H5L_TYPE_UD_MIN) { if(lnk->type == H5L_TYPE_EXTERNAL) { const char *objname = (const char *)lnk->u.ud.udata + (HDstrlen((const char *)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() */


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