11dfa25910
* Updated source file copyright headers to remove "Copyright by the Board of Trustees of the University of Illinois", which is kept in the top-level COPYING file.
227 lines
8.6 KiB
C
227 lines
8.6 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://www.hdfgroup.org/licenses. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*-------------------------------------------------------------------------
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*
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* Created: H5Obogus.c
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* Jan 21 2003
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* Quincey Koziol
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*
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* Purpose: "bogus" message. This message is guaranteed to never
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* be found in a valid HDF5 file and is only used to
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* generate a test file which verifies the library's
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* correct operation when parsing unknown object header
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* messages.
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*
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*-------------------------------------------------------------------------
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*/
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#include "H5Omodule.h" /* This source code file is part of the H5O module */
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#include "H5private.h" /* Generic Functions */
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#include "H5Eprivate.h" /* Error handling */
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#include "H5MMprivate.h" /* Memory management */
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#include "H5Opkg.h" /* Object headers */
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#ifdef H5O_ENABLE_BOGUS
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/* PRIVATE PROTOTYPES */
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static void *H5O__bogus_decode(H5F_t *f, H5O_t *open_oh, unsigned mesg_flags, unsigned *ioflags,
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size_t p_size, const uint8_t *p);
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static herr_t H5O__bogus_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
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static size_t H5O__bogus_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
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static herr_t H5O__bogus_debug(H5F_t *f, const void *_mesg, FILE *stream, int indent, int fwidth);
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/* This message derives from H5O message class */
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const H5O_msg_class_t H5O_MSG_BOGUS_VALID[1] = {{
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H5O_BOGUS_VALID_ID, /*message id number */
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"bogus valid", /*message name for debugging */
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0, /*native message size */
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H5O_SHARE_IS_SHARABLE, /* messages are shareable? */
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H5O__bogus_decode, /*decode message */
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H5O__bogus_encode, /*encode message */
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NULL, /*copy the native value */
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H5O__bogus_size, /*raw message size */
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NULL, /*free internal memory */
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NULL, /*free method */
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NULL, /* file delete method */
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NULL, /* link method */
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NULL, /*set share method */
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NULL, /*can share method */
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NULL, /* pre copy native value to file */
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NULL, /* copy native value to file */
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NULL, /* post copy native value to file */
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NULL, /* get creation index */
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NULL, /* set creation index */
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H5O__bogus_debug /*debug the message */
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}};
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/* This message derives from H5O message class */
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const H5O_msg_class_t H5O_MSG_BOGUS_INVALID[1] = {{
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H5O_BOGUS_INVALID_ID, /*message id number */
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"bogus invalid", /*message name for debugging */
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0, /*native message size */
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H5O_SHARE_IS_SHARABLE, /* messages are shareable? */
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H5O__bogus_decode, /*decode message */
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H5O__bogus_encode, /*encode message */
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NULL, /*copy the native value */
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H5O__bogus_size, /*raw message size */
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NULL, /*free internal memory */
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NULL, /*free method */
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NULL, /* file delete method */
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NULL, /* link method */
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NULL, /*set share method */
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NULL, /*can share method */
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NULL, /* pre copy native value to file */
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NULL, /* copy native value to file */
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NULL, /* post copy native value to file */
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NULL, /* get creation index */
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NULL, /* set creation index */
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H5O__bogus_debug /*debug the message */
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}};
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/*-------------------------------------------------------------------------
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* Function: H5O__bogus_decode
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*
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* Purpose: Decode a "bogus" message and return a pointer to a new
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* native message struct.
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*
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* Return: Success: Ptr to new message in native struct.
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*
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* Failure: NULL
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*
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* Programmer: Quincey Koziol
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* Jan 21 2003
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*
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*-------------------------------------------------------------------------
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*/
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static void *
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H5O__bogus_decode(H5F_t *f, H5O_t H5_ATTR_UNUSED *open_oh, unsigned H5_ATTR_UNUSED mesg_flags,
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unsigned H5_ATTR_UNUSED *ioflags, size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
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{
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H5O_bogus_t *mesg = NULL;
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void *ret_value; /* Return value */
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FUNC_ENTER_PACKAGE
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/* check args */
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HDassert(f);
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HDassert(p);
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/* Allocate the bogus message */
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if (NULL == (mesg = (H5O_bogus_t *)H5MM_calloc(sizeof(H5O_bogus_t))))
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HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
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/* decode */
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UINT32DECODE(p, mesg->u);
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/* Validate the bogus info */
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if (mesg->u != H5O_BOGUS_VALUE)
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HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, NULL, "invalid bogus value :-)")
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/* Set return value */
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ret_value = mesg;
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done:
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if (ret_value == NULL && mesg != NULL)
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H5MM_xfree(mesg);
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FUNC_LEAVE_NOAPI(ret_value)
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} /* end H5O__bogus_decode() */
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/*-------------------------------------------------------------------------
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* Function: H5O__bogus_encode
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*
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* Purpose: Encodes a "bogus" message.
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*
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* Return: Non-negative on success/Negative on failure
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*
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* Programmer: Quincey Koziol
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* Jan 21 2003
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*
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*-------------------------------------------------------------------------
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*/
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static herr_t
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H5O__bogus_encode(H5F_t H5_ATTR_UNUSED *f, hbool_t H5_ATTR_UNUSED disable_shared, uint8_t *p,
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const void H5_ATTR_UNUSED *mesg)
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{
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FUNC_ENTER_PACKAGE_NOERR
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/* check args */
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HDassert(f);
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HDassert(p);
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HDassert(mesg);
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/* encode */
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UINT32ENCODE(p, H5O_BOGUS_VALUE);
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FUNC_LEAVE_NOAPI(SUCCEED)
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} /* end H5O__bogus_encode() */
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/*-------------------------------------------------------------------------
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* Function: H5O__bogus_size
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*
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* Purpose: Returns the size of the raw message in bytes not
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* counting the message typ or size fields, but only the data
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* fields. This function doesn't take into account
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* alignment.
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*
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* Return: Success: Message data size in bytes w/o alignment.
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*
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* Failure: Negative
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*
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* Programmer: Quincey Koziol
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* Jan 21 2003
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*
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*-------------------------------------------------------------------------
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*/
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static size_t
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H5O__bogus_size(const H5F_t H5_ATTR_UNUSED *f, hbool_t H5_ATTR_UNUSED disable_shared,
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const void H5_ATTR_UNUSED *mesg)
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{
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FUNC_ENTER_PACKAGE_NOERR
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FUNC_LEAVE_NOAPI(4)
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} /* end H5O__bogus_size() */
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/*-------------------------------------------------------------------------
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* Function: H5O__bogus_debug
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*
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* Purpose: Prints debugging info for the message.
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*
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* Return: Non-negative on success/Negative on failure
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*
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* Programmer: Quincey Koziol
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* Jan 21 2003
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*
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*-------------------------------------------------------------------------
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*/
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static herr_t
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H5O__bogus_debug(H5F_t H5_ATTR_UNUSED *f, const void *_mesg, FILE *stream, int indent, int fwidth)
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{
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const H5O_bogus_t *mesg = (const H5O_bogus_t *)_mesg;
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FUNC_ENTER_PACKAGE_NOERR
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/* check args */
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HDassert(f);
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HDassert(mesg);
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HDassert(stream);
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HDassert(indent >= 0);
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HDassert(fwidth >= 0);
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HDfprintf(stream, "%*s%-*s `%u'\n", indent, "", fwidth, "Bogus Value:", mesg->u);
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FUNC_LEAVE_NOAPI(SUCCEED)
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} /* end H5O__bogus_debug() */
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#endif /* H5O_ENABLE_BOGUS */
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