/*-------------------------------------------------------------------------

 *

 * smgrdesc.c

 *    rmgr descriptor routines for catalog/storage.c

 *

 * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group

 * Portions Copyright (c) 1994, Regents of the University of California

 *

 *

 * IDENTIFICATION

 *    src/backend/access/rmgrdesc/smgrdesc.c

 *

 *-------------------------------------------------------------------------

 */

#include "postgres.h"

#include "catalog/storage_xlog.h"

void

smgr_desc(StringInfo buf, XLogReaderState *record)

{

  char     *rec = XLogRecGetData(record);

  uint8   info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;

  if (info == XLOG_SMGR_CREATE)

  {

    xl_smgr_create *xlrec = (xl_smgr_create *) rec;

    appendStringInfoString(buf,

                 relpathperm(xlrec->rlocator, xlrec->forkNum).str);

  }

  else if (info == XLOG_SMGR_TRUNCATE)

  {

    xl_smgr_truncate *xlrec = (xl_smgr_truncate *) rec;

    appendStringInfo(buf, "%s to %u blocks flags %d",

             relpathperm(xlrec->rlocator, MAIN_FORKNUM).str,

             xlrec->blkno, xlrec->flags);

  }

}

const char *

smgr_identify(uint8 info)

{

  const char *id = NULL;

  switch (info & ~XLR_INFO_MASK)

  {

    case XLOG_SMGR_CREATE:

      id = "CREATE";

      break;

    case XLOG_SMGR_TRUNCATE:

      id = "TRUNCATE";

      break;

  }

  return id;

}