Carl Mummert <[EMAIL PROTECTED]> writes:
> >#pragma pack(1)
> >struct {};
> >#pragma pack()
> >
> >Which forces the layout to be as you specified.
> >
> >Using a command line option is a Bad Idea (tm) as it may corrupt glibc's
> >structures
>
> To test a resonse to the original message, I made the follwing c file
> ( I was not familiar with the attribute flag, so I guessed wrong):
> --begin
>
> __attribute__ ((packed)) struct foo
struct foo __attribute__ ((packed)) ???
> {
> char c[3];
> int x;
> };
>
> int main()
> {
> printf("%d \n", sizeof(struct foo));
> }
> --end
...
> Which made me think... and check... and sure enough
> the ORIGINAL STRUCT actually has a size of 7 with the command line option!
> THe guy is either crazy, or he is using some strange compiler that
> we don't know about (althoguh he did say the size was 6, as if he
> had a 286...)
Maybe he meant
struct foo {
char c[3];
short s;
// char __PAD;
}
or
struct ofoo {
char c[3];
// char __PAD;
short
}
as any normal compiler would generate.
MfG,
Goswin
