version 1.2, 2007/05/29 08:55:34
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version 1.7, 2007/12/31 18:40:26
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\ test libcc.fs C interface |
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\ Copyright (C) 2007 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
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\ Gforth is free software; you can redistribute it and/or |
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\ modify it under the terms of the GNU General Public License |
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\ as published by the Free Software Foundation, either version 3 |
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\ of the License, or (at your option) any later version. |
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\ This program is distributed in the hope that it will be useful, |
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\ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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\ GNU General Public License for more details. |
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\ You should have received a copy of the GNU General Public License |
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\ along with this program. If not, see http://www.gnu.org/licenses/. |
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require libcc.fs |
require libcc.fs |
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\c #include <string.h> |
\c #include <string.h> |
Line 7 c-function strlen strlen a -- n
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Line 26 c-function strlen strlen a -- n
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cr s\" fooo\0" 2dup dump drop .s strlen cr .s drop cr |
cr s\" fooo\0" 2dup dump drop .s strlen cr .s drop cr |
c-function labs labs n -- n |
c-function labs labs n -- n |
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\c #define _FILE_OFFSET_BITS 64 |
\c #include <sys/types.h> |
\c #include <sys/types.h> |
\c #include <unistd.h> |
\c #include <unistd.h> |
c-function dlseek lseek n d n -- d |
c-function dlseek lseek n d n -- d |
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cr s\" fooo\0" 2dup dump drop .s strlen cr .s drop cr |
cr s\" fooo\0" 2dup dump drop .s strlen cr .s drop cr |
-5 labs .s drop cr |
-5 labs .s drop cr |
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\c #include <stdio.h> |
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c-function printf-nr printf a n r -- n |
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c-function printf-rn printf a r n -- n |
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s\" n=%d r=%f\n\0" drop -5 -0.5e fp@ hex. cr printf-nr . cr |
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s\" r=%f n=%d\n\0" drop -0.5e -5 printf-rn . cr |
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\c #define printfull(s,ull) printf(s,(unsigned long long)ull) |
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c-function printfull printfull a n -- n |
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s\" ull=%llu\n\0" drop -1 printfull . cr |
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s\" ull=%llu r=%f\n\0" drop -1 -0.5e printf-nr . cr |
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\c #define printfll(s,ll) printf(s,(long long)ll) |
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c-function printfll printfll a n -- n |
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s\" ll=%lld\n\0" drop -1 printfll . cr |
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s\" ll=%lld r=%f\n\0" drop -1 -0.5e printf-nr . cr |
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\ test calling a C function pointer from Forth |
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\ first create a C function pointer: |
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\c typedef long (* func1)(long); |
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\c #define labsptr(dummy) ((func1)labs) |
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c-function labsptr labsptr -- a |
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\ now the call |
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\c #define call_func1(par1,fptr) ((func1)fptr)(par1) |
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c-function call_func1 call_func1 n func -- n |
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-5 labsptr call_func1 . cr |
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