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 COPYING file, which can be found at the root of the source code       *
   * distribution tree, or in https://www.hdfgroup.org/licenses.               *
   * 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 shareable?       */
      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
   *              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
   *              Aug 12 1997
   *
   *-------------------------------------------------------------------------
   */
  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_STATIC_NOERR
  
      /* check args */
      HDassert(f);
      HDassert(p);
      HDassert(mesg && mesg->s);
  
      /* encode */
      HDstrcpy((char *)p, mesg->s);
  
      FUNC_LEAVE_NOAPI(SUCCEED)
  } /* end H5O__name_encode() */
  
  /*-------------------------------------------------------------------------
   * 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
   *              Aug 12 1997
   *
   *-------------------------------------------------------------------------
   */
  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_STATIC
  
      /* 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
   *              Aug 12 1997
   *
   *-------------------------------------------------------------------------
   */
  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_STATIC_NOERR
  
      /* check args */
      HDassert(f);
      HDassert(mesg);
  
      ret_value = mesg->s ? HDstrlen(mesg->s) + 1 : 0;
  
      FUNC_LEAVE_NOAPI(ret_value)
  } /* end H5O__name_size() */
  
  /*-------------------------------------------------------------------------
   * 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
   *              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
   *              Aug 12 1997
   *
   *-------------------------------------------------------------------------
   */
  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_STATIC_NOERR
  
      /* check args */
      HDassert(f);
      HDassert(mesg);
      HDassert(stream);
      HDassert(indent >= 0);
      HDassert(fwidth >= 0);
  
      HDfprintf(stream, "%*s%-*s `%s'\n", indent, "", fwidth, "Name:", mesg->s);
  
      FUNC_LEAVE_NOAPI(SUCCEED)
  } /* end H5O__name_debug() */
  