mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 04:42:32 +00:00
6d4e370a25
Fixes a progs crash when using vsprintf with no format elements + params.
81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/*
|
|
bi_runtime.c
|
|
|
|
QuakeC runtime api
|
|
|
|
Copyright (C) 2020 Bill Currie
|
|
|
|
Author: Bill Currie <bill@taniwha.org>
|
|
Date: 2020/4/1
|
|
|
|
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
|
|
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
#include <stdlib.h>
|
|
|
|
#include "qfalloca.h"
|
|
|
|
#if defined(_WIN32) && defined(HAVE_MALLOC_H)
|
|
#include <malloc.h>
|
|
#endif
|
|
|
|
#include "QF/progs.h"
|
|
|
|
#include "rua_internal.h"
|
|
|
|
static void
|
|
bi_va_copy (progs_t *pr)
|
|
{
|
|
__auto_type src_args = (pr_va_list_t *) &P_POINTER (pr, 0);
|
|
__auto_type src_list = &G_STRUCT (pr, pr_type_t, src_args->list);
|
|
size_t parm_size = pr->pr_param_size * sizeof(pr_type_t);
|
|
size_t size = src_args->count * parm_size;
|
|
string_t dst_list_block = 0;
|
|
pr_type_t *dst_list = 0;
|
|
|
|
if (size) {
|
|
dst_list_block = PR_AllocTempBlock (pr, size);
|
|
dst_list = (pr_type_t *) PR_GetString (pr, dst_list_block);
|
|
}
|
|
|
|
memcpy (dst_list, src_list, size);
|
|
R_PACKED (pr, pr_va_list_t).count = src_args->count;
|
|
R_PACKED (pr, pr_va_list_t).list = PR_SetPointer (pr, dst_list);
|
|
}
|
|
|
|
static builtin_t builtins[] = {
|
|
{"va_copy", bi_va_copy, -1},
|
|
{0}
|
|
};
|
|
|
|
void
|
|
RUA_Runtime_Init (progs_t *pr, int secure)
|
|
{
|
|
PR_RegisterBuiltins (pr, builtins);
|
|
}
|