/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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: H5Oname.c * Aug 12 1997 * Robb Matzke * * Purpose: Object name message. * *------------------------------------------------------------------------- */ #include "H5Omodule.h" /* This source code file is part of the H5O module */ #include "H5private.h" /* Generic Functions */ #include "H5Eprivate.h" /* Error handling */ #include "H5MMprivate.h" /* Memory management */ #include "H5Opkg.h" /* Object headers */ /* PRIVATE PROTOTYPES */ static void *H5O__name_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_name_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg); static void *H5O_name_copy(const void *_mesg, void *_dest); static size_t H5O_name_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg); static herr_t H5O__name_reset(void *_mesg); static herr_t H5O__name_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_NAME[1] = {{ H5O_NAME_ID, /*message id number */ "name", /*message name for debugging */ sizeof(H5O_name_t), /*native message size */ 0, /* messages are sharable? */ 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, /*set share method */ NULL, /*can share method */ NULL, /* pre copy native value to file */ NULL, /* copy native value to file */ NULL, /* post copy native value to file */ NULL, /* get creation index */ NULL, /* set creation index */ 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 * *------------------------------------------------------------------------- */ static void * H5O__name_decode(H5F_t H5_ATTR_UNUSED *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_name_t *mesg; void *ret_value = NULL; /* Return value */ FUNC_ENTER_STATIC /* check args */ HDassert(f); HDassert(p); /* decode */ if(NULL == (mesg = (H5O_name_t *)H5MM_calloc(sizeof(H5O_name_t)))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") if(NULL == (mesg->s = (char *)H5MM_strdup((const char *)p))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") /* Set return value */ ret_value = mesg; done: if(NULL == ret_value) if(mesg) mesg = (H5O_name_t *)H5MM_xfree(mesg); FUNC_LEAVE_NOAPI(ret_value) } /* end H5O__name_decode() */ /*------------------------------------------------------------------------- * 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 H5_ATTR_UNUSED *f, hbool_t H5_ATTR_UNUSED disable_shared, uint8_t *p, const void *_mesg) { const H5O_name_t *mesg = (const H5O_name_t *) _mesg; FUNC_ENTER_NOAPI_NOINIT_NOERR /* check args */ HDassert(f); HDassert(p); HDassert(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) { const H5O_name_t *mesg = (const H5O_name_t *) _mesg; H5O_name_t *dest = (H5O_name_t *) _dest; void *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI_NOINIT /* check args */ HDassert(mesg); if(!dest && NULL == (dest = (H5O_name_t *)H5MM_calloc(sizeof(H5O_name_t)))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") /* copy */ *dest = *mesg; if(NULL == (dest->s = H5MM_xstrdup(mesg->s))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") /* Set return value */ ret_value = dest; done: if(NULL == ret_value) if(dest && NULL == _dest) dest = (H5O_name_t *)H5MM_xfree(dest); FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_name_copy() */ /*------------------------------------------------------------------------- * 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 H5_ATTR_UNUSED *f, hbool_t H5_ATTR_UNUSED disable_shared, const void *_mesg) { const H5O_name_t *mesg = (const H5O_name_t *) _mesg; size_t ret_value = 0; /* Return value */ FUNC_ENTER_NOAPI_NOINIT_NOERR /* check args */ HDassert(f); HDassert(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 * *------------------------------------------------------------------------- */ static herr_t H5O__name_reset(void *_mesg) { H5O_name_t *mesg = (H5O_name_t *) _mesg; FUNC_ENTER_STATIC_NOERR /* check args */ HDassert(mesg); /* reset */ mesg->s = (char *)H5MM_xfree(mesg->s); FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5O__name_reset() */ /*------------------------------------------------------------------------- * 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 H5_ATTR_UNUSED *f, const void *_mesg, FILE *stream, int indent, int fwidth) { const H5O_name_t *mesg = (const H5O_name_t *)_mesg; FUNC_ENTER_NOAPI_NOINIT_NOERR /* check args */ HDassert(f); HDassert(mesg); HDassert(stream); HDassert(indent >= 0); HDassert(fwidth >= 0); fprintf(stream, "%*s%-*s `%s'\n", indent, "", fwidth, "Name:", mesg->s); FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5O__name_debug() */