Date: Tue, 20 Mar 2001 10:54:35 -0800 From: Shankar Agarwal <shankar_agarwal@net.com> To: tech-kern@netbsd.org Cc: bsd hackers <freebsd-hackers@FreeBSD.ORG> Subject: Question regarding the array of size 0. Message-ID: <3AB7A76B.2BCF5D6E@net.com> References: <Pine.NEB.4.33.0103122044290.498-100000@fiona.amberites.invalid>
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Hi All,
I am getting the following array while trying to compile uipc_syscalls.c
file.
/vobs/atm/netbsd/sys/sys/syscallargs.h", line 30: zero or negative
subscript
This is because the code in syscallargs.h is defining an array of size
0.
The code that is creating problem is
#define syscallarg(x) \
union { \
register_t pad; \
struct { x datum; } le; \
struct { \
int8_t pad[ (sizeof (register_t) < sizeof (x)) \
? 0 \
: sizeof (register_t) - sizeof (x)]; \
x datum; \
} be; \
}
struct sys_exit_args {
syscallarg(int) rval;
};
struct sys_read_args {
syscallarg(int) fd;
syscallarg(void *) buf;
syscallarg(size_t) nbyte;
};
Can someone pls tell me if it is possible to define an array of size 0.
If yes then do we need some compiler option for this to work. I am not
using the Makefile of FreeBsd and trying to write my own make file which
will work for this code.
Thanks
Regards
Shankar
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