f5da975f8f
Also, export the file_findfile() function. Again, this is taken from work in progress but frozen for the time being. Since it works, I'd rather commit and remove any uglyness later than hide it on my tree.
304 lines
6.5 KiB
C
304 lines
6.5 KiB
C
/*-
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* Copyright (c) 2000 Daniel Capo Sobral
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*******************************************************************
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** l o a d e r . c
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** Additional FICL words designed for FreeBSD's loader
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**
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*******************************************************************/
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#include <stand.h>
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#include "bootstrap.h"
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#include <string.h>
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#include "ficl.h"
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/* FreeBSD's loader interaction words
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*
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* setenv ( value n name n' -- )
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* setenv? ( value n name n' flag -- )
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* getenv ( addr n -- addr' n' | -1 )
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* unsetenv ( addr n -- )
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* copyin ( addr addr' len -- )
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* copyout ( addr addr' len -- )
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* findfile ( name len type len' -- addr )
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* pnpdevices ( -- addr )
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* pnphandlers ( -- addr )
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* ccall ( [[...[p10] p9] ... p1] n addr -- result )
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*/
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void
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ficlSetenv(FICL_VM *pVM)
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{
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char *namep, *valuep, *name, *value;
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int names, values;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 4, 0);
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#endif
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names = stackPopINT(pVM->pStack);
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namep = (char*) stackPopPtr(pVM->pStack);
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values = stackPopINT(pVM->pStack);
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valuep = (char*) stackPopPtr(pVM->pStack);
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name = (char*) ficlMalloc(names+1);
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if (!name)
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vmThrowErr(pVM, "Error: out of memory");
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strncpy(name, namep, names);
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name[names] = '\0';
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value = (char*) ficlMalloc(values+1);
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if (!value)
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vmThrowErr(pVM, "Error: out of memory");
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strncpy(value, valuep, values);
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value[values] = '\0';
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setenv(name, value, 1);
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ficlFree(name);
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ficlFree(value);
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return;
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}
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void
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ficlSetenvq(FICL_VM *pVM)
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{
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char *namep, *valuep, *name, *value;
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int names, values, overwrite;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 5, 0);
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#endif
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overwrite = stackPopINT(pVM->pStack);
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names = stackPopINT(pVM->pStack);
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namep = (char*) stackPopPtr(pVM->pStack);
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values = stackPopINT(pVM->pStack);
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valuep = (char*) stackPopPtr(pVM->pStack);
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name = (char*) ficlMalloc(names+1);
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if (!name)
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vmThrowErr(pVM, "Error: out of memory");
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strncpy(name, namep, names);
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name[names] = '\0';
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value = (char*) ficlMalloc(values+1);
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if (!value)
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vmThrowErr(pVM, "Error: out of memory");
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strncpy(value, valuep, values);
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value[values] = '\0';
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setenv(name, value, overwrite);
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ficlFree(name);
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ficlFree(value);
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return;
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}
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void
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ficlGetenv(FICL_VM *pVM)
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{
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char *namep, *name, *value;
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int names;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 2, 2);
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#endif
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names = stackPopINT(pVM->pStack);
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namep = (char*) stackPopPtr(pVM->pStack);
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name = (char*) ficlMalloc(names+1);
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if (!name)
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vmThrowErr(pVM, "Error: out of memory");
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strncpy(name, namep, names);
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name[names] = '\0';
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value = getenv(name);
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ficlFree(name);
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if(value != NULL) {
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stackPushPtr(pVM->pStack, value);
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stackPushINT(pVM->pStack, strlen(value));
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} else
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stackPushINT(pVM->pStack, -1);
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return;
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}
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void
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ficlUnsetenv(FICL_VM *pVM)
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{
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char *namep, *name;
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int names;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 2, 0);
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#endif
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names = stackPopINT(pVM->pStack);
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namep = (char*) stackPopPtr(pVM->pStack);
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name = (char*) ficlMalloc(names+1);
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if (!name)
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vmThrowErr(pVM, "Error: out of memory");
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strncpy(name, namep, names);
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name[names] = '\0';
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unsetenv(name);
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ficlFree(name);
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return;
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}
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void
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ficlCopyin(FICL_VM *pVM)
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{
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void* src;
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vm_offset_t dest;
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size_t len;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 3, 0);
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#endif
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len = stackPopINT(pVM->pStack);
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dest = stackPopINT(pVM->pStack);
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src = stackPopPtr(pVM->pStack);
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archsw.arch_copyin(src, dest, len);
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return;
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}
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void
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ficlCopyout(FICL_VM *pVM)
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{
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void* dest;
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vm_offset_t src;
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size_t len;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 3, 0);
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#endif
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len = stackPopINT(pVM->pStack);
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dest = stackPopPtr(pVM->pStack);
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src = stackPopINT(pVM->pStack);
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archsw.arch_copyout(src, dest, len);
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return;
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}
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void
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ficlFindfile(FICL_VM *pVM)
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{
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char *name, *type, *namep, *typep;
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struct preloaded_file* fp;
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int names, types;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 4, 1);
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#endif
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types = stackPopINT(pVM->pStack);
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typep = (char*) stackPopPtr(pVM->pStack);
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names = stackPopINT(pVM->pStack);
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namep = (char*) stackPopPtr(pVM->pStack);
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name = (char*) ficlMalloc(names+1);
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if (!name)
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vmThrowErr(pVM, "Error: out of memory");
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strncpy(name, namep, names);
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name[names] = '\0';
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type = (char*) ficlMalloc(types+1);
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if (!type)
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vmThrowErr(pVM, "Error: out of memory");
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strncpy(type, typep, types);
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type[types] = '\0';
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fp = file_findfile(name, type);
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stackPushPtr(pVM->pStack, fp);
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return;
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}
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void
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ficlPnpdevices(FICL_VM *pVM)
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{
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static int pnp_devices_initted = 0;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 0, 1);
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#endif
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if(!pnp_devices_initted) {
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STAILQ_INIT(&pnp_devices);
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pnp_devices_initted = 1;
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}
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stackPushPtr(pVM->pStack, &pnp_devices);
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return;
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}
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void
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ficlPnphandlers(FICL_VM *pVM)
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{
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 0, 1);
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#endif
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stackPushPtr(pVM->pStack, pnphandlers);
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return;
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}
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void
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ficlCcall(FICL_VM *pVM)
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{
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int (*func)(int, ...);
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int result, p[10];
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int nparam, i;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 2, 0);
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#endif
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func = stackPopPtr(pVM->pStack);
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nparam = stackPopINT(pVM->pStack);
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, nparam, 1);
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#endif
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for (i = 0; i < nparam; i++)
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p[i] = stackPopINT(pVM->pStack);
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result = func(p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8],
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p[9]);
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stackPushINT(pVM->pStack, result);
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return;
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}
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