On Aug 2 2007 21:55, Guennadi Liakhovetski wrote:
>Hi
>
>I've run across the following gcc "feature":
>
> char c[4] = "01234";
>
>gcc emits a nice warning
>
>warning: initializer-string for array of chars is too long
>
>But do a
>
> char c[4] = "0123";
>
>and - a wonder - no warning. No warning with gcc 3.3.2, 3.3.5, 3.4.5,
>4.1.2. I was told 4.2.x does produce a warning. Now do a
>
> struct {
> char c[4];
> int i;
> } t;
> t.i = 0x12345678;
> strcpy(t.c, c);
>
>and t.i is silently corrupted. Just wanted to ask if this is known,
>really...
What does this have to do with the kernel? The string "0123" is
generally _five_ characters long, so c[4] is not enough.
Or use strncpy.
Jan
--
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
