NetBSD/gnu/libexec/uucp/libuuconf/mrgblk.c

/* mrgblk.c
   Merge two memory blocks together.

   Copyright (C) 1992 Ian Lance Taylor

   This file is part of the Taylor UUCP uuconf library.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License
   as published by the Free Software Foundation; either version 2 of
   the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

   The author of the program may be contacted at ian@airs.com or
   c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
   */

#include "uucnfi.h"

#if USE_RCS_ID
const char _uuconf_mrgblk_rcsid[] = "$Id: mrgblk.c,v 1.3 1995/08/24 05:21:40 jtc Exp $";
#endif

#include "alloc.h"

/* Merge one memory block into another one, returning the combined
   memory block.  */

pointer
_uuconf_pmalloc_block_merge (p1, p2)
     pointer p1;
     pointer p2;
{
  struct sblock *q1 = (struct sblock *) p1;
  struct sblock *q2 = (struct sblock *) p2;
  struct sblock **pq;

  for (pq = &q1; *pq != NULL; pq = &(*pq)->qnext)
    ;
  *pq = q2;
  return (pointer) q1;
}