Annotation of gforth/test/libcc.fs, revision 1.7

1.6       anton       1: \ test libcc.fs C interface
                      2: 
                      3: \ Copyright (C) 2007 Free Software Foundation, Inc.
                      4: 
                      5: \ This file is part of Gforth.
                      6: 
                      7: \ Gforth is free software; you can redistribute it and/or
                      8: \ modify it under the terms of the GNU General Public License
1.7     ! anton       9: \ as published by the Free Software Foundation, either version 3
1.6       anton      10: \ of the License, or (at your option) any later version.
                     11: 
                     12: \ This program is distributed in the hope that it will be useful,
                     13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
                     14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     15: \ GNU General Public License for more details.
                     16: 
                     17: \ You should have received a copy of the GNU General Public License
1.7     ! anton      18: \ along with this program. If not, see http://www.gnu.org/licenses/.
1.6       anton      19: 
1.1       anton      20: require libcc.fs
                     21: 
                     22: \c #include <string.h>
                     23: \c #include <stdlib.h>
                     24: 
                     25: c-function strlen strlen a -- n
1.2       anton      26: cr s\" fooo\0" 2dup dump drop .s strlen cr .s drop cr 
1.1       anton      27: c-function labs labs n -- n
                     28: 
1.3       anton      29: \c #define _FILE_OFFSET_BITS 64
1.1       anton      30: \c #include <sys/types.h>
                     31: \c #include <unistd.h>
                     32: c-function dlseek lseek n d n -- d
                     33: 
                     34: cr s\" fooo\0" 2dup dump drop .s strlen cr .s drop cr 
                     35: -5 labs .s drop cr
1.3       anton      36: 
                     37: \c #include <stdio.h>
                     38: c-function printf-nr printf a n r -- n
                     39: c-function printf-rn printf a r n -- n
                     40: s\" n=%d r=%f\n\0" drop -5 -0.5e fp@ hex. cr printf-nr . cr
                     41: s\" r=%f n=%d\n\0" drop -0.5e -5 printf-rn . cr
                     42: 
                     43: \c #define printfull(s,ull) printf(s,(unsigned long long)ull)
                     44: c-function printfull printfull a n -- n
                     45: s\" ull=%llu\n\0" drop -1 printfull . cr
                     46: s\" ull=%llu r=%f\n\0" drop -1 -0.5e printf-nr . cr
1.4       anton      47: 
                     48: \c #define printfll(s,ll) printf(s,(long long)ll)
                     49: c-function printfll printfll a n -- n
                     50: s\" ll=%lld\n\0" drop -1 printfll . cr
                     51: s\" ll=%lld r=%f\n\0" drop -1 -0.5e printf-nr . cr
1.5       anton      52: 
                     53: \ test calling a C function pointer from Forth
                     54: 
                     55: \ first create a C function pointer:
                     56: 
                     57: \c typedef long (* func1)(long);
                     58: \c #define labsptr(dummy) ((func1)labs)
                     59: c-function labsptr labsptr -- a
                     60: 
                     61: \ now the call
                     62: \c #define call_func1(par1,fptr) ((func1)fptr)(par1)
                     63: c-function call_func1 call_func1 n func -- n
                     64: 
                     65: -5 labsptr call_func1 . cr
                     66: 

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