Annotation of gforth/test/libcc.fs, revision 1.5
1.1 anton 1: require libcc.fs
2:
3: \c #include <string.h>
4: \c #include <stdlib.h>
5:
6: c-function strlen strlen a -- n
1.2 anton 7: cr s\" fooo\0" 2dup dump drop .s strlen cr .s drop cr
1.1 anton 8: c-function labs labs n -- n
9:
1.3 anton 10: \c #define _FILE_OFFSET_BITS 64
1.1 anton 11: \c #include <sys/types.h>
12: \c #include <unistd.h>
13: c-function dlseek lseek n d n -- d
14:
15: cr s\" fooo\0" 2dup dump drop .s strlen cr .s drop cr
16: -5 labs .s drop cr
1.3 anton 17:
18: \c #include <stdio.h>
19: c-function printf-nr printf a n r -- n
20: c-function printf-rn printf a r n -- n
21: s\" n=%d r=%f\n\0" drop -5 -0.5e fp@ hex. cr printf-nr . cr
22: s\" r=%f n=%d\n\0" drop -0.5e -5 printf-rn . cr
23:
24: \c #define printfull(s,ull) printf(s,(unsigned long long)ull)
25: c-function printfull printfull a n -- n
26: s\" ull=%llu\n\0" drop -1 printfull . cr
27: s\" ull=%llu r=%f\n\0" drop -1 -0.5e printf-nr . cr
1.4 anton 28:
29: \c #define printfll(s,ll) printf(s,(long long)ll)
30: c-function printfll printfll a n -- n
31: s\" ll=%lld\n\0" drop -1 printfll . cr
32: s\" ll=%lld r=%f\n\0" drop -1 -0.5e printf-nr . cr
1.5 ! anton 33:
! 34: \ test calling a C function pointer from Forth
! 35:
! 36: \ first create a C function pointer:
! 37:
! 38: \c typedef long (* func1)(long);
! 39: \c #define labsptr(dummy) ((func1)labs)
! 40: c-function labsptr labsptr -- a
! 41:
! 42: \ now the call
! 43: \c #define call_func1(par1,fptr) ((func1)fptr)(par1)
! 44: c-function call_func1 call_func1 n func -- n
! 45:
! 46: -5 labsptr call_func1 . cr
! 47:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>