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guile/libguile/mallocs.c
Jim Blandy 1cc91f1b29 * __scm.h, alist.c, alist.h, append.c, append.h, appinit.c,
arbiters.c, arbiters.h, async.c, async.h, boolean.c, boolean.h,
chars.c, chars.h, continuations.c, continuations.h, debug.c,
debug.h, dynwind.c, dynwind.h, eq.c, eq.h, error.c, eval.c,
eval.h, extchrs.c, extchrs.h, fdsocket.c, fdsocket.h, filesys.c,
filesys.h, fports.c, fports.h, gc.c, gdb_interface.h, gdbint.c,
gdbint.h, genio.c, genio.h, gscm.c, gscm.h, gsubr.c, gsubr.h,
hash.c, hash.h, hashtab.c, hashtab.h, init.c, ioext.c, ioext.h,
kw.c, kw.h, libguile.h, mallocs.c, mallocs.h, markers.c,
markers.h, mbstrings.c, mbstrings.h, numbers.c, numbers.h,
objprop.c, objprop.h, options.c, options.h, pairs.c, pairs.h,
ports.c, ports.h, posix.c, posix.h, print.c, print.h, procprop.c,
procprop.h, procs.c, procs.h, ramap.c, ramap.h, read.c, read.h,
root.c, scmsigs.c, scmsigs.h, sequences.c, sequences.h, simpos.c,
simpos.h, smob.c, socket.c, socket.h, srcprop.c, srcprop.h,
stackchk.c, stackchk.h, stime.c, stime.h, strings.c, strings.h,
strop.c, strop.h, strorder.c, strorder.h, strports.c, strports.h,
struct.c, struct.h, symbols.c, symbols.h, tag.c, tag.h, unif.c,
unif.h, variable.c, variable.h, vectors.c, vectors.h, version.c,
version.h, vports.c, vports.h, weaks.c, weaks.h: Use SCM_P to
declare functions with prototypes.  (Patch thanks to Marius
Vollmer.)
1996-10-14 01:33:50 +00:00

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/* classes: src_files */
/* Copyright (C) 1995 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include "_scm.h"
#include "genio.h"
#include "smob.h"
#include "mallocs.h"
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
static scm_sizet fmalloc SCM_P ((SCM ptr));
static scm_sizet
fmalloc(ptr)
SCM ptr;
{
if (SCM_MALLOCDATA (ptr))
free (SCM_MALLOCDATA (ptr));
return 0;
}
static int prinmalloc SCM_P ((SCM exp, SCM port, scm_print_state *pstate));
static int
prinmalloc (exp, port, pstate)
SCM exp;
SCM port;
scm_print_state *pstate;
{
scm_gen_puts(scm_regular_string, "#<malloc ", port);
scm_intprint(SCM_CDR(exp), 16, port);
scm_gen_putc('>', port);
return 1;
}
int scm_tc16_malloc;
static scm_smobfuns mallocsmob = {scm_mark0, fmalloc, prinmalloc, 0};
SCM
scm_malloc_obj (n)
scm_sizet n;
{
SCM answer;
SCM mem;
SCM_NEWCELL (answer);
SCM_DEFER_INTS;
mem = (n
? (SCM)malloc (n)
: 0);
if (n && !mem)
{
SCM_ALLOW_INTS;
return SCM_BOOL_F;
}
SCM_CDR (answer) = mem;
SCM_CAR (answer) = scm_tc16_malloc;
SCM_ALLOW_INTS;
return answer;
}
void
scm_init_mallocs ()
{
scm_tc16_malloc = scm_newsmob (&mallocsmob);
}