quakeforge/tools/qwaq/builtins.c
2004-01-04 07:42:43 +00:00

166 lines
3.3 KiB
C

/*
#FILENAME#
#DESCRIPTION#
Copyright (C) 2001 #AUTHOR#
Author: #AUTHOR#
Date: #DATE#
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
of the License, 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 program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
static __attribute__ ((unused)) const char rcsid[] =
"$Id$";
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <QF/dstring.h>
#include <QF/progs.h>
#include <QF/zone.h>
#include "qwaq.h"
static void
bi_print (progs_t *pr)
{
const char *str;
str = P_GSTRING (pr, 0);
fprintf (stdout, "%s", str);
}
static void
bi_errno (progs_t *pr)
{
R_INT (pr) = errno;
}
static void
bi_strerror (progs_t *pr)
{
int err = P_INT (pr, 0);
RETURN_STRING (pr, strerror (err));
}
static void
bi_open (progs_t *pr)
{
const char *path = P_GSTRING (pr, 0);
int flags = P_INT (pr, 1);
int mode = P_INT (pr, 2);
R_INT (pr) = open (path, flags, mode);
}
static void
bi_close (progs_t *pr)
{
int handle = P_INT (pr, 0);
R_INT (pr) = close (handle);
}
static void
bi_read (progs_t *pr)
{
int handle = P_INT (pr, 0);
int count = P_INT (pr, 1);
int *read_result = (int *)P_GPOINTER (pr, 2);
int res;
char *buffer;
buffer = Hunk_TempAlloc (count);
if (!buffer)
PR_Error (pr, "%s: couldn't allocate %d bytes", "bi_read", count);
res = read (handle, buffer, count);
if (res != -1)
RETURN_STRING (pr, buffer);
*read_result = res;
}
static void
bi_write (progs_t *pr)
{
int handle = P_INT (pr, 0);
const char *buffer = P_GSTRING (pr, 1);
int count = P_INT (pr, 2);
R_INT (pr) = write (handle, buffer, count);
}
static void
bi_seek (progs_t *pr)
{
int handle = P_INT (pr, 0);
int pos = P_INT (pr, 1);
int whence = P_INT (pr, 2);
R_INT (pr) = lseek (handle, pos, whence);
}
static void
bi_traceon (progs_t *pr)
{
pr->pr_trace = true;
}
static void
bi_traceoff (progs_t *pr)
{
pr->pr_trace = false;
}
static void
bi_printf (progs_t *pr)
{
const char *fmt = P_GSTRING (pr, 0);
int count = pr->pr_argc - 1;
pr_type_t **args = pr->pr_params + 1;
dstring_t *dstr = dstring_new ();
PR_Sprintf (pr, dstr, "bi_printf", fmt, count, args);
if (dstr->str)
fputs (dstr->str, stdout);
dstring_delete (dstr);
}
void
BI_Init (progs_t *pr)
{
PR_AddBuiltin (pr, "print", bi_print, 1);
PR_AddBuiltin (pr, "errno", bi_errno, 3);
PR_AddBuiltin (pr, "strerror", bi_strerror, 4);
PR_AddBuiltin (pr, "open", bi_open, 5);
PR_AddBuiltin (pr, "close", bi_close, 6);
PR_AddBuiltin (pr, "read", bi_read, 7);
PR_AddBuiltin (pr, "write", bi_write, 8);
PR_AddBuiltin (pr, "seek", bi_seek, 9);
PR_AddBuiltin (pr, "traceon", bi_traceon, 10);
PR_AddBuiltin (pr, "traceoff", bi_traceoff, 11);
PR_AddBuiltin (pr, "printf", bi_printf, 12);
}