/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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 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://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * * access to either file, you may request a copy from help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /*------------------------------------------------------------------------- * * Created: H5Oname.c * Aug 12 1997 * Robb Matzke * * Purpose: Object name message. * * Modifications: * *------------------------------------------------------------------------- */ #define H5O_PACKAGE /*suppress error about including H5Opkg */ #include "H5private.h" #include "H5Eprivate.h" #include "H5MMprivate.h" #include "H5Opkg.h" /* Object header functions */ /* PRIVATE PROTOTYPES */ static void *H5O_name_decode(H5F_t *f, hid_t dxpl_id, const uint8_t *p); static herr_t H5O_name_encode(H5F_t *f, uint8_t *p, const void *_mesg); static void *H5O_name_copy(const void *_mesg, void *_dest, unsigned update_flags); static size_t H5O_name_size(const H5F_t *f, const void *_mesg); static herr_t H5O_name_reset(void *_mesg); static herr_t H5O_name_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_NAME[1] = {{ H5O_NAME_ID, /*message id number */ "name", /*message name for debugging */ sizeof(H5O_name_t), /*native message size */ H5O_name_decode, /*decode message */ H5O_name_encode, /*encode message */ H5O_name_copy, /*copy the native value */ H5O_name_size, /*raw message size */ H5O_name_reset, /*free internal memory */ NULL, /* free method */ NULL, /* file delete method */ NULL, /* link method */ NULL, /*get share method */ NULL, /*set share method */ H5O_name_debug /*debug the message */ }}; /*------------------------------------------------------------------------- * Function: H5O_name_decode * * Purpose: Decode a name message and return a pointer to a new * native message struct. * * Return: Success: Ptr to new message in native struct. * * Failure: NULL * * Programmer: Robb Matzke * matzke@llnl.gov * Aug 12 1997 * * Modifications: * *------------------------------------------------------------------------- */ static void * H5O_name_decode(H5F_t UNUSED *f, hid_t UNUSED dxpl_id, const uint8_t *p) { H5O_name_t *mesg; void *ret_value; /* Return value */ FUNC_ENTER_NOAPI_NOINIT(H5O_name_decode); /* check args */ assert(f); assert(p); /* decode */ if (NULL==(mesg = H5MM_calloc(sizeof(H5O_name_t))) || NULL==(mesg->s = H5MM_malloc (HDstrlen((const char*)p)+1))) HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed"); HDstrcpy(mesg->s, (const char*)p); /* Set return value */ ret_value=mesg; done: if(ret_value==NULL) { if(mesg) H5MM_xfree (mesg); } /* end if */ FUNC_LEAVE_NOAPI(ret_value); } /*------------------------------------------------------------------------- * Function: H5O_name_encode * * Purpose: Encodes a name message. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * matzke@llnl.gov * Aug 12 1997 * * Modifications: * *------------------------------------------------------------------------- */ static herr_t H5O_name_encode(H5F_t UNUSED *f, uint8_t *p, const void *_mesg) { const H5O_name_t *mesg = (const H5O_name_t *) _mesg; FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_name_encode); /* check args */ assert(f); assert(p); assert(mesg && mesg->s); /* encode */ HDstrcpy((char*)p, mesg->s); FUNC_LEAVE_NOAPI(SUCCEED); } /*------------------------------------------------------------------------- * Function: H5O_name_copy * * Purpose: Copies a message from _MESG to _DEST, allocating _DEST if * necessary. * * Return: Success: Ptr to _DEST * * Failure: NULL * * Programmer: Robb Matzke * matzke@llnl.gov * Aug 12 1997 * * Modifications: * *------------------------------------------------------------------------- */ static void * H5O_name_copy(const void *_mesg, void *_dest, unsigned UNUSED update_flags) { const H5O_name_t *mesg = (const H5O_name_t *) _mesg; H5O_name_t *dest = (H5O_name_t *) _dest; void *ret_value; /* Return value */ FUNC_ENTER_NOAPI_NOINIT(H5O_name_copy); /* check args */ assert(mesg); if (!dest && NULL==(dest = H5MM_calloc(sizeof(H5O_name_t)))) HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed"); /* copy */ *dest = *mesg; if((dest->s = H5MM_xstrdup(mesg->s))==NULL) HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed"); /* Set return value */ ret_value=dest; done: FUNC_LEAVE_NOAPI(ret_value); } /*------------------------------------------------------------------------- * Function: H5O_name_size * * Purpose: Returns the size of the raw message in bytes not * counting the message typ or size fields, but only the data * fields. This function doesn't take into account * alignment. * * Return: Success: Message data size in bytes w/o alignment. * * Failure: Negative * * Programmer: Robb Matzke * matzke@llnl.gov * Aug 12 1997 * * Modifications: * *------------------------------------------------------------------------- */ static size_t H5O_name_size(const H5F_t UNUSED *f, const void *_mesg) { const H5O_name_t *mesg = (const H5O_name_t *) _mesg; size_t ret_value; FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_name_size); /* check args */ assert(f); assert(mesg); ret_value = mesg->s ? HDstrlen(mesg->s) + 1 : 0; FUNC_LEAVE_NOAPI(ret_value); } /*------------------------------------------------------------------------- * Function: H5O_name_reset * * Purpose: Frees internal pointers and resets the message to an * initial state. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * matzke@llnl.gov * Aug 12 1997 * * Modifications: * *------------------------------------------------------------------------- */ static herr_t H5O_name_reset(void *_mesg) { H5O_name_t *mesg = (H5O_name_t *) _mesg; FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_name_reset); /* check args */ assert(mesg); /* reset */ mesg->s = H5MM_xfree(mesg->s); FUNC_LEAVE_NOAPI(SUCCEED); } /*------------------------------------------------------------------------- * Function: H5O_name_debug * * Purpose: Prints debugging info for the message. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * matzke@llnl.gov * Aug 12 1997 * * Modifications: * *------------------------------------------------------------------------- */ static herr_t H5O_name_debug(H5F_t UNUSED *f, hid_t UNUSED dxpl_id, const void *_mesg, FILE *stream, int indent, int fwidth) { const H5O_name_t *mesg = (const H5O_name_t *)_mesg; FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_name_debug); /* check args */ assert(f); assert(mesg); assert(stream); assert(indent >= 0); assert(fwidth >= 0); fprintf(stream, "%*s%-*s `%s'\n", indent, "", fwidth, "Name:", mesg->s); FUNC_LEAVE_NOAPI(SUCCEED); }