Date: Sat, 6 Sep 2003 10:33:34 +0200 From: Alexander Leidinger <Alexander@Leidinger.net> To: Marcel Moolenaar <marcel@xcllnt.net> Cc: current@freebsd.org Subject: Re: Question about genassym, locore.s and 0-sized arrays(showstopper for an icc compiled kernel) Message-ID: <20030906103334.0f3233aa.Alexander@Leidinger.net> In-Reply-To: <20030905165557.GB566@dhcp01.pn.xcllnt.net> References: <20030904180448.021a1b6b.Alexander@Leidinger.net> <20030904162858.GI98381@dan.emsphone.com> <20030905001411.3a9030b3.Alexander@Leidinger.net> <20030904225123.GB39916@dan.emsphone.com> <3F584B85.AAC3A11D@mindspring.com> <20030905105507.51ba3183.Alexander@Leidinger.net> <20030905165557.GB566@dhcp01.pn.xcllnt.net>
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On Fri, 5 Sep 2003 09:55:57 -0700
Marcel Moolenaar <marcel@xcllnt.net> wrote:
> Interesting, What does icc do with:
>
> struct {
> int tag;
> char obj[];
> } foo;
>
> And what does the sizeof() operator give.
---snip---
% <marcel.c
#include <stdio.h>
struct {
int tag;
char obj[];
} foo;
int main(void) {
struct foo bar;
printf("%d\n", sizeof(struct foo));
printf("%d\n", sizeof(bar));
return 0;
}
% icc marcel.c
marcel.c(9): error: incomplete type is not allowed
struct foo bar;
^
marcel.c(11): warning #70: incomplete type is not allowed
printf("%d\n", sizeof(struct foo));
^
compilation aborted for marcel.c (code 2)
% <marcel.c
#include <stdio.h>
struct {
int tag;
char obj[];
} foo;
int main(void) {
printf("%d\n", sizeof(struct foo));
return 0;
}
% icc marcel.c
marcel.c(9): warning #70: incomplete type is not allowed
printf("%d\n", sizeof(struct foo));
^
% ./a.out
0
---snip---
Bye,
Alexander.
--
Loose bits sink chips.
http://www.Leidinger.net Alexander @ Leidinger.net
GPG fingerprint = C518 BC70 E67F 143F BE91 3365 79E2 9C60 B006 3FE7
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