text: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
   * 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 <matzke@llnl.gov>
   *
   * Purpose:             Object name message.
   *
   *-------------------------------------------------------------------------
   */
  
  #define H5O_PACKAGE		/*suppress error about including H5Opkg	  */
  
  #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, hid_t dxpl_id, H5O_t *open_oh,
      unsigned mesg_flags, unsigned *ioflags, 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, 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           */
      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 UNUSED *f, hid_t UNUSED dxpl_id, H5O_t UNUSED *open_oh,
      unsigned UNUSED mesg_flags, unsigned UNUSED *ioflags, const uint8_t *p)
  {
      H5O_name_t          *mesg;
      void                *ret_value;     /* Return value */
  
      FUNC_ENTER_NOAPI_NOINIT
  
      /* 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);
      } /* end if */
  
      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 UNUSED *f, hbool_t 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;     /* 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 UNUSED *f, hbool_t UNUSED disable_shared, const void *_mesg)
  {
      const H5O_name_t       *mesg = (const H5O_name_t *) _mesg;
      size_t                  ret_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
   *
   * Modifications:
   *
   *-------------------------------------------------------------------------
   */
  static herr_t
  H5O_name_reset(void *_mesg)
  {
      H5O_name_t             *mesg = (H5O_name_t *) _mesg;
  
      FUNC_ENTER_NOAPI_NOINIT_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 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_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)
  }
  