1993-08-05 18:28:27 +00:00
|
|
|
|
/* free.c
|
|
|
|
|
|
Free a buffer from within a memory block.
|
|
|
|
|
|
|
|
|
|
|
|
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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
|
|
|
|
|
|
|
|
The author of the program may be contacted at ian@airs.com or
|
1994-05-07 18:14:43 +00:00
|
|
|
|
c/o Cygnus Support, Building 200, 1 Kendall Square, Cambridge, MA 02139.
|
1993-08-05 18:28:27 +00:00
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
#include "uucnfi.h"
|
|
|
|
|
|
|
|
|
|
|
|
#if USE_RCS_ID
|
1994-05-07 18:14:43 +00:00
|
|
|
|
const char _uuconf_free_rcsid[] = "$Id: free.c,v 1.4 1994/01/30 21:14:29 ian Rel $";
|
1993-08-05 18:28:27 +00:00
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
#include "alloc.h"
|
|
|
|
|
|
|
|
|
|
|
|
/* Free memory allocated by uuconf_malloc. If the memory block is
|
|
|
|
|
|
NULL, this just calls free; this is convenient for a number of
|
|
|
|
|
|
routines. Otherwise, this will only do something if this was the
|
|
|
|
|
|
last buffer allocated for one of the memory blocks in the list; in
|
|
|
|
|
|
other cases, the memory is lost until the entire memory block is
|
|
|
|
|
|
freed. */
|
|
|
|
|
|
|
|
|
|
|
|
#if UUCONF_ANSI_C
|
|
|
|
|
|
void
|
|
|
|
|
|
#endif
|
|
|
|
|
|
uuconf_free (pblock, pbuf)
|
|
|
|
|
|
pointer pblock;
|
|
|
|
|
|
pointer pbuf;
|
|
|
|
|
|
{
|
|
|
|
|
|
struct sblock *q = (struct sblock *) pblock;
|
|
|
|
|
|
|
|
|
|
|
|
if (pbuf == NULL)
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
|
|
if (q == NULL)
|
|
|
|
|
|
{
|
|
|
|
|
|
free (pbuf);
|
|
|
|
|
|
return;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
for (; q != NULL; q = q->qnext)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (q->plast == pbuf)
|
|
|
|
|
|
{
|
|
|
|
|
|
q->ifree = (char *) pbuf - q->u.ab;
|
|
|
|
|
|
/* We could reset q->plast here, but it doesn't matter. */
|
|
|
|
|
|
return;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
