On Mon, Jun 23, 2008 at 11:33 AM, Stephane Chazelas
<[EMAIL PROTECTED]> wrote:
> On Mon, Jun 23, 2008 at 11:27:39AM +0200, Michael Kerrisk wrote:
> [...]
>> > Also, the %as GNU extension seems not to be documented
>> > (it may return ENOMEM) in the man page. It is in the glibc
>> > documentation.
>>
>> Have you tried using this? I'm trying to test now, but gcc complains
>> that '%a' expects type 'float *'.
> [...]
>
> ~$ cat a.c
> #include <stdio.h>
>
> int main(int argc, char **argv)
> {
> char *a;
> sscanf(argv[1], "%as", &a);
> puts(a);
> return 0;
> }
> ~$ cc -Wall -c a.c
> ~$ ./a "xx yy"
> xx
> ~$ gcc-2.95 -Wall -c a.c
> ~$ gcc-3.3 -Wall -c a.c
> ~$ gcc-3.4 -Wall -c a.c
> ~$ gcc-4.1 -Wall -c a.c
> ~$ gcc-4.2 -Wall -c a.c
> ~$ gcc-4.3 -Wall -c a.c
> ~$
>
> Seems OK.
>
> Maybe you had "%a" instead of "%as"?
No, my problem was that my cc alias includes ansi c 99, which disables
this scanf() feature...
Thanks
Michael
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
man-pages online: http://www.kernel.org/doc/man-pages/online_pages.html
Found a bug? http://www.kernel.org/doc/man-pages/reporting_bugs.html
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