C    Copyright(C) 2008-2017 National Technology & Engineering Solutions
C    of Sandia, LLC (NTESS).  Under the terms of Contract DE-NA0003525 with
C    NTESS, the U.S. Government retains certain rights in this software.
C
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C    met:
C
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C
      SUBROUTINE MXDEL (NAME1, DICT, DPOINT, LDICT, NNAMES, VOID,
     *   LVOID, NVOIDS, CHRCOL, LASTER, MYLOC)
C
      IMPLICIT INTEGER (A-Z)
      INCLUDE 'params.inc'
C
C     This routine removes a name from the dictionary and returns the
C     available space to the void table.
C
C***********************************************************************
C
C     NAME1    Name to be deleted
               CHARACTER*8 NAME1
C     DICT     Dictionary name table
C     DPOINT   Dictionary pointer table
C     LDICT    Dimension of dictionary tables
C     NNAMES   Number of names in the dictionary
               CHARACTER*8 DICT(LDICT,CHRCOL)
               DIMENSION DPOINT(LDICT,CHRCOL,3), NNAMES(2)
C     VOID     Void table
C     LVOID    Dimension of void table
C     NVOIDS   Number of voids
               DIMENSION VOID(LVOID,CHRCOL,2), NVOIDS(2)
C     CHRCOL   Number of column for character names.
C     LASTER   Error return
C
C***********************************************************************
C
C     FIND NAME1 IN DICTIONARY.
C
      CALL MXFIND (NAME1, DICT, DPOINT, LDICT, NNAMES,
     *   CHRCOL, LASTER, ROW)
      IF (LASTER .NE. SUCESS) RETURN
C
      LOC = DPOINT(ROW,1,1)
      LEN = DPOINT(ROW,1,2)
C
C     DELETE DICTIONARY ENTRY.
C
      CALL SHFTC (DICT, CHRCOL*LDICT, ROW+1, NNAMES(1), 1)
      CALL SHFTI (DPOINT, LDICT*CHRCOL, 3, ROW+1, NNAMES(1), 1)
      NNAMES(1) = NNAMES(1) - 1
      IF (LEN .LE. 0) RETURN
C
C     MAKE AN ENTRY IN THE VOID TABLE.
C
c      CALL VTABLE (LOC, LEN, VOID, LVOID, NVOIDS(1), CHRCOL, LASTER)

C ... Using malloc/free -- let system manage void space. Return
C     memory to system via 'free'.  The value given to memret
C     is a flag which tells the system that this is a 'safe' free
C     which should actually execute. (Major Kludge...)
      LASTER = SUCESS
      memret = -999
      oldadr = loc+myloc-1
      call exmemy(-len, oldadr, memret)
      if (memret .lt. 0 .or. memret .gt. len) then
         write (*,*) 'ERROR in MXDEL', name1, memret, len
         laster = ilblk
         return
      end if

      RETURN
      END
