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/*-
* Copyright (c) 2000 Daniel Capo Sobral
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/*******************************************************************
** l o a d e r . c
** Additional FICL words designed for FreeBSD's loader
**
*******************************************************************/
#include <stand.h>
#include "bootstrap.h"
#include <string.h>
#include "ficl.h"
/* FreeBSD's loader interaction words
*
* setenv ( value n name n' -- )
* setenv? ( value n name n' flag -- )
* getenv ( addr n -- addr' n' | -1 )
* unsetenv ( addr n -- )
* copyin ( addr addr' len -- )
* copyout ( addr addr' len -- )
* findfile ( name len type len' -- addr )
* pnpdevices ( -- addr )
* pnphandlers ( -- addr )
* ccall ( [[...[p10] p9] ... p1] n addr -- result )
*/
void
ficlSetenv(FICL_VM *pVM)
{
char *namep, *valuep, *name, *value;
int names, values;
#if FICL_ROBUST > 1
vmCheckStack(pVM, 4, 0);
#endif
names = stackPopINT(pVM->pStack);
namep = (char*) stackPopPtr(pVM->pStack);
values = stackPopINT(pVM->pStack);
valuep = (char*) stackPopPtr(pVM->pStack);
name = (char*) ficlMalloc(names+1);
if (!name)
vmThrowErr(pVM, "Error: out of memory");
strncpy(name, namep, names);
name[names] = '\0';
value = (char*) ficlMalloc(values+1);
if (!value)
vmThrowErr(pVM, "Error: out of memory");
strncpy(value, valuep, values);
value[values] = '\0';
setenv(name, value, 1);
ficlFree(name);
ficlFree(value);
return;
}
void
ficlSetenvq(FICL_VM *pVM)
{
char *namep, *valuep, *name, *value;
int names, values, overwrite;
#if FICL_ROBUST > 1
vmCheckStack(pVM, 5, 0);
#endif
overwrite = stackPopINT(pVM->pStack);
names = stackPopINT(pVM->pStack);
namep = (char*) stackPopPtr(pVM->pStack);
values = stackPopINT(pVM->pStack);
valuep = (char*) stackPopPtr(pVM->pStack);
name = (char*) ficlMalloc(names+1);
if (!name)
vmThrowErr(pVM, "Error: out of memory");
strncpy(name, namep, names);
name[names] = '\0';
value = (char*) ficlMalloc(values+1);
if (!value)
vmThrowErr(pVM, "Error: out of memory");
strncpy(value, valuep, values);
value[values] = '\0';
setenv(name, value, overwrite);
ficlFree(name);
ficlFree(value);
return;
}
void
ficlGetenv(FICL_VM *pVM)
{
char *namep, *name, *value;
int names;
#if FICL_ROBUST > 1
vmCheckStack(pVM, 2, 2);
#endif
names = stackPopINT(pVM->pStack);
namep = (char*) stackPopPtr(pVM->pStack);
name = (char*) ficlMalloc(names+1);
if (!name)
vmThrowErr(pVM, "Error: out of memory");
strncpy(name, namep, names);
name[names] = '\0';
value = getenv(name);
ficlFree(name);
if(value != NULL) {
stackPushPtr(pVM->pStack, value);
stackPushINT(pVM->pStack, strlen(value));
} else
stackPushINT(pVM->pStack, -1);
return;
}
void
ficlUnsetenv(FICL_VM *pVM)
{
char *namep, *name;
int names;
#if FICL_ROBUST > 1
vmCheckStack(pVM, 2, 0);
#endif
names = stackPopINT(pVM->pStack);
namep = (char*) stackPopPtr(pVM->pStack);
name = (char*) ficlMalloc(names+1);
if (!name)
vmThrowErr(pVM, "Error: out of memory");
strncpy(name, namep, names);
name[names] = '\0';
unsetenv(name);
ficlFree(name);
return;
}
void
ficlCopyin(FICL_VM *pVM)
{
void* src;
vm_offset_t dest;
size_t len;
#if FICL_ROBUST > 1
vmCheckStack(pVM, 3, 0);
#endif
len = stackPopINT(pVM->pStack);
dest = stackPopINT(pVM->pStack);
src = stackPopPtr(pVM->pStack);
archsw.arch_copyin(src, dest, len);
return;
}
void
ficlCopyout(FICL_VM *pVM)
{
void* dest;
vm_offset_t src;
size_t len;
#if FICL_ROBUST > 1
vmCheckStack(pVM, 3, 0);
#endif
len = stackPopINT(pVM->pStack);
dest = stackPopPtr(pVM->pStack);
src = stackPopINT(pVM->pStack);
archsw.arch_copyout(src, dest, len);
return;
}
void
ficlFindfile(FICL_VM *pVM)
{
char *name, *type, *namep, *typep;
struct preloaded_file* fp;
int names, types;
#if FICL_ROBUST > 1
vmCheckStack(pVM, 4, 1);
#endif
types = stackPopINT(pVM->pStack);
typep = (char*) stackPopPtr(pVM->pStack);
names = stackPopINT(pVM->pStack);
namep = (char*) stackPopPtr(pVM->pStack);
name = (char*) ficlMalloc(names+1);
if (!name)
vmThrowErr(pVM, "Error: out of memory");
strncpy(name, namep, names);
name[names] = '\0';
type = (char*) ficlMalloc(types+1);
if (!type)
vmThrowErr(pVM, "Error: out of memory");
strncpy(type, typep, types);
type[types] = '\0';
fp = file_findfile(name, type);
stackPushPtr(pVM->pStack, fp);
return;
}
#ifdef HAVE_PNP
void
ficlPnpdevices(FICL_VM *pVM)
{
static int pnp_devices_initted = 0;
#if FICL_ROBUST > 1
vmCheckStack(pVM, 0, 1);
#endif
if(!pnp_devices_initted) {
STAILQ_INIT(&pnp_devices);
pnp_devices_initted = 1;
}
stackPushPtr(pVM->pStack, &pnp_devices);
return;
}
void
ficlPnphandlers(FICL_VM *pVM)
{
#if FICL_ROBUST > 1
vmCheckStack(pVM, 0, 1);
#endif
stackPushPtr(pVM->pStack, pnphandlers);
return;
}
#endif
void
ficlCcall(FICL_VM *pVM)
{
int (*func)(int, ...);
int result, p[10];
int nparam, i;
#if FICL_ROBUST > 1
vmCheckStack(pVM, 2, 0);
#endif
func = stackPopPtr(pVM->pStack);
nparam = stackPopINT(pVM->pStack);
#if FICL_ROBUST > 1
vmCheckStack(pVM, nparam, 1);
#endif
for (i = 0; i < nparam; i++)
p[i] = stackPopINT(pVM->pStack);
result = func(p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8],
p[9]);
stackPushINT(pVM->pStack, result);
return;
}
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