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/*
Copyright (C) 1994 M. Hagiya, W. Schelter, T. Yuasa
This file is part of GNU Common Lisp, herein referred to as GCL
GCL 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, or (at your option)
any later version.
GCL 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 GCL; see the file COPYING. If not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
unixsave.c
*/
#define IN_UNIXSAVE
#ifndef FIRSTWORD
#include "include.h"
#endif
#ifdef UNIXSAVE
#include UNIXSAVE
#else
#ifdef HAVE_FCNTL
#include <fcntl.h>
#else
#include <sys/file.h>
#endif
#ifdef HAVE_AOUT
#undef BSD
#undef ATT
#define BSD
#endif
#ifdef BSD
#include HAVE_AOUT
#endif
#ifdef DOS
void
binary_file_mode()
{_fmode = O_BINARY;}
#endif
#ifdef ATT
#include <filehdr.h>
#include <aouthdr.h>
#include <scnhdr.h>
#endif
#ifdef E15
#include <a.out.h>
extern char etext;
#endif
filecpy(to, from, n)
FILE *to, *from;
register int n;
{
char buffer[BUFSIZ];
for (;;)
if (n > BUFSIZ) {
fread(buffer, BUFSIZ, 1, from);
fwrite(buffer, BUFSIZ, 1, to);
n -= BUFSIZ;
} else if (n > 0) {
fread(buffer, 1, n, from);
fwrite(buffer, 1, n, to);
break;
} else
break;
}
static void
memory_save(original_file, save_file)
char *original_file, *save_file;
{ MEM_SAVE_LOCALS;
char *data_begin, *data_end;
int original_data;
FILE *original, *save;
register int n;
register char *p;
extern char *sbrk();
original = freopen(original_file,"r",stdin);
/* fclose(stdin);
original = fopen(original_file, "r");
*/
if (stdin != original || original->_file != 0) {
fprintf(stderr, "Can't open the original file.\n");
exit(1);
}
setbuf(original, stdin_buf);
fclose(stdout);
unlink(save_file);
n = open(save_file, O_CREAT|O_WRONLY, 0777);
if (n != 1 || (save = fdopen(n, "w")) != stdout) {
fprintf(stderr, "Can't open the save file.\n");
exit(1);
}
setbuf(save, stdout_buf);
READ_HEADER;
FILECPY_HEADER;
for (n = header.a_data, p = data_begin; ; n -= BUFSIZ, p += BUFSIZ)
if (n > BUFSIZ)
fwrite(p, BUFSIZ, 1, save);
else if (n > 0) {
fwrite(p, 1, n, save);
break;
} else
break;
fseek(original, original_data, 1);
COPY_TO_SAVE;
fclose(original);
fclose(save);
}
extern void _cleanup();
LFD(Lsave)() {
char filename[256];
check_arg(1);
check_type_or_pathname_string_symbol_stream(&vs_base[0]);
coerce_to_filename(vs_base[0], filename);
_cleanup();
memory_save(kcl_self, filename);
exit(0);
/* no return */
}
#endif /* UNIXSAVE include */
void
gcl_init_unixsave(void)
{
make_si_function("SAVE", Lsave);
}
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