In the GNU and UC versions of the libc (at least), the
scanf/fscanf/sscanf... functions seem to be calling strtoxxx
internally for number conversions.
In doing so, errno may be set to ERANGE when the input doesn't
fit in the number size requested
Okay -- I verified this.
One of the
Hi Stephane,
On Mon, Jun 23, 2008 at 10:51 AM, Stephane Chazelas
[EMAIL PROTECTED] wrote:
On Mon, Jun 23, 2008 at 10:34:14AM +0200, Michael Kerrisk wrote:
[...]
Okay -- I verified this.
One of the problems here of course is that the scanf.3 page currently
doesn't document *any* errors...
Hi Stephane,
There are at least two logically separate bug reports here. In such
cases, *please* file separate reports. See below for why.
On Fri, Jun 20, 2008 at 5:35 PM, Stephane Chazelas
[EMAIL PROTECTED] wrote:
Package: manpages-dev
Version: 2.80-1
Severity: normal
In the GNU and UC
On Mon, Jun 23, 2008 at 10:34:14AM +0200, Michael Kerrisk wrote:
[...]
Okay -- I verified this.
One of the problems here of course is that the scanf.3 page currently
doesn't document *any* errors...
and possibly to EINVAL for a
figures not in the requested base.
Can you provide an
On Mon, Jun 23, 2008 at 11:08:45AM +0200, Michael Kerrisk wrote:
[...]
I don't know that manpages-dev has a policy on that. Upstream
man-pages policy is: yes, document glibc specifics (but give context
re portability).
[...]
Thanks a lot Michael for all the details.
BTW, I just came accross:
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
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
Stephane,
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 *'.
Cheers,
Michael
--
Michael Kerrisk
Linux
On Mon, Jun 23, 2008 at 11:34 AM, Michael Kerrisk
[EMAIL PROTECTED] wrote:
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
tags 487254 fixed-upstream
thanks
Stephane, both halves of this bug are now fixed.
Could you please review the following new text, which will appear in
man-pages 3.01.
Cheers,
Michael
NOTES
The GNU C library supports a non-standard extension that causes
the library to
On Mon, Jun 23, 2008 at 12:37:50PM +0200, Michael Kerrisk wrote:
[...]
NOTES
The GNU C library supports a non-standard extension that causes
the library to dynamically allocate a string of sufficient size
for input strings for the %s and %a[range] conversion
On Mon, Jun 23, 2008 at 1:31 PM, Stephane Chazelas
[EMAIL PROTECTED] wrote:
On Mon, Jun 23, 2008 at 12:37:50PM +0200, Michael Kerrisk wrote:
[...]
This feature is not available if the program is compiled with
cc -std=cc99 or cc -D_ISOC99_SOURCE (unless _GNU_SOURCE is also
On Mon, Jun 23, 2008 at 12:37:50PM +0200, Michael Kerrisk wrote:
[...]
This feature is not available if the program is compiled with
cc -std=cc99 or cc -D_ISOC99_SOURCE (unless _GNU_SOURCE is also
[...]
typo: -std=c99, not cc99.
--
Stéphane
--
To UNSUBSCRIBE, email to
On Mon, Jun 23, 2008 at 01:34:04PM +0200, Michael Kerrisk wrote:
On Mon, Jun 23, 2008 at 1:31 PM, Stephane Chazelas
[EMAIL PROTECTED] wrote:
On Mon, Jun 23, 2008 at 12:37:50PM +0200, Michael Kerrisk wrote:
[...]
This feature is not available if the program is compiled with
Hi Stephane,
On Mon, Jun 23, 2008 at 1:15 PM, Stephane Chazelas
[EMAIL PROTECTED] wrote:
On Mon, Jun 23, 2008 at 12:37:50PM +0200, Michael Kerrisk wrote:
[...]
NOTES
The GNU C library supports a non-standard extension that causes
the library to dynamically allocate a string
On Mon, Jun 23, 2008 at 1:43 PM, Stephane Chazelas
[EMAIL PROTECTED] wrote:
On Mon, Jun 23, 2008 at 01:34:04PM +0200, Michael Kerrisk wrote:
On Mon, Jun 23, 2008 at 1:31 PM, Stephane Chazelas
[EMAIL PROTECTED] wrote:
On Mon, Jun 23, 2008 at 12:37:50PM +0200, Michael Kerrisk wrote:
[...]
Right, here's another version. Could you please have another read
through, Stephane
NOTES
The GNU C library supports a non-standard extension that causes
the library to dynamically allocate a string of sufficient size
for input strings for the %s and %a[range]
On Mon, Jun 23, 2008 at 01:43:39PM +0200, Michael Kerrisk wrote:
[...]
errno = 0;
n = scanf(..., p);
if (n == 1) {
printf(OK: %s\n, p);
free(p);
} else if (errno != 0) {
perror(scanf);
}
else {
fprintf(stderr, expected letters, not \%s\\n, ...);
Well, that error message
On Mon, Jun 23, 2008 at 01:45:28PM +0200, Michael Kerrisk wrote:
On Mon, Jun 23, 2008 at 1:43 PM, Stephane Chazelas
[EMAIL PROTECTED] wrote:
On Mon, Jun 23, 2008 at 01:34:04PM +0200, Michael Kerrisk wrote:
On Mon, Jun 23, 2008 at 1:31 PM, Stephane Chazelas
[EMAIL PROTECTED] wrote:
On
On Mon, Jun 23, 2008 at 01:47:59PM +0200, Michael Kerrisk wrote:
Right, here's another version. Could you please have another read
through, Stephane
Michael,
it looks good to me.
I suspect it wasn't your intention to leave
printf(n=%d, errno=%d\n, n, errno);
in though. That
On Mon, Jun 23, 2008 at 3:13 PM, Stephane Chazelas
[EMAIL PROTECTED] wrote:
On Mon, Jun 23, 2008 at 01:47:59PM +0200, Michael Kerrisk wrote:
Right, here's another version. Could you please have another read
through, Stephane
Michael,
it looks good to me.
I suspect it wasn't your
On Mon, Jun 23, 2008 at 01:52:07PM +0100, Stephane Chazelas wrote:
[...]
So, %as is not available for instance with:
cc -D__STDC_VERSION__=199901L
(tcc does set that as a builtin macro
http://hg.sharesource.org/mercurialtcc/rev/1e81d5b65878)
[...]
FYI, and I'm getting off-topic here, the
Michael Kerrisk wrote:
But I'm not sure if that's a bug or not as I don't know whether
manpages-dev is meant to document the GNU or other version of
the libc functions.
I don't know that manpages-dev has a policy on that. Upstream
man-pages policy is: yes, document glibc specifics (but
On Fri, Jun 20, 2008 at 5:58 PM, Stephane Chazelas
[EMAIL PROTECTED] wrote:
On Fri, Jun 20, 2008 at 04:35:27PM +0100, Stephane Chazelas wrote:
[...]
In the GNU and UC versions of the libc (at least), the
scanf/fscanf/sscanf... functions seem to be calling strtoxxx
internally for number
Package: manpages-dev
Version: 2.80-1
Severity: normal
In the GNU and UC versions of the libc (at least), the
scanf/fscanf/sscanf... functions seem to be calling strtoxxx
internally for number conversions.
In doing so, errno may be set to ERANGE when the input doesn't
fit in the number size
On Fri, Jun 20, 2008 at 04:35:27PM +0100, Stephane Chazelas wrote:
[...]
In the GNU and UC versions of the libc (at least), the
scanf/fscanf/sscanf... functions seem to be calling strtoxxx
internally for number conversions.
In doing so, errno may be set to ERANGE when the input doesn't
fit
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