Debian Bug report logs - #756602
printf(3) manpage: please document that %n can't include flags, width or precision

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Package: manpages-dev; Maintainer for manpages-dev is Dr. Tobias Quathamer <[email protected]>; Source for manpages-dev is src:manpages (PTS, buildd, popcon).

Reported by: Jakub Wilk <[email protected]>

Date: Thu, 31 Jul 2014 09:30:02 UTC

Severity: minor

Tags: fixed-upstream

Found in version manpages/3.65-1

Fixed in version manpages/3.71-1

Done: Simon Paillard <[email protected]>

Bug is archived. No further changes may be made.

Full log

Message #26 received at [email protected] (full text, mbox, reply):

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From: "Michael Kerrisk (man-pages)" <[email protected]>
Date: Fri, 1 Aug 2014 15:08:06 +0200
Message-ID: <CAKgNAki0zOKss_FTZi3zRL2KT25LEWbfntpHnkp9x38RaqfP5g@mail.gmail.com>
Subject: Re: Bug#756602: printf(3) manpage: please document that %n can't
 include flags, width or precision
To: Jakub Wilk <[email protected]>
Cc: [email protected]
Content-Type: text/plain; charset=UTF-8

On Fri, Aug 1, 2014 at 12:46 PM, Jakub Wilk <[email protected]> wrote:
> * Michael Kerrisk <[email protected]>, 2014-08-01, 08:55:
>
>> [[
>> That argument shall be an
>> .I "int\ *",
>> or variant whose size matches the (optionally)
>> supplied integer length modifier.
>> ]]
>
>
> Looks good to me, thanks!
>
> Now I noticed that in the "The length modifier" subsection, the n conversion
> is mentioned only in the descriptions of hh, h, l, and ll. Could we make it
> more consistent?


I applied the below.

Thanks,

Michael

diff --git a/man3/printf.3 b/man3/printf.3
index 47fdf2c..47fa149 100644
--- a/man3/printf.3
+++ b/man3/printf.3
@@ -527,6 +527,10 @@ A following integer conversion corresponds to an
 .I intmax_t
 or
 .I uintmax_t
+argument, or a following
+.B n
+conversion corresponds to a pointer to an
+.I intmax_t
 argument.
 .TP
 .B z
@@ -534,6 +538,10 @@ A following integer conversion corresponds to a
 .I size_t
 or
 .I ssize_t
+argument, or a following
+.B n
+conversion corresponds to a pointer to a
+.I size_t
 argument.
 .\" (Linux libc5 has
 .\" .B Z
@@ -543,6 +551,10 @@ argument.
 .B t
 A following integer conversion corresponds to a
 .I ptrdiff_t
+argument, or a following
+.B n
+conversion corresponds to a pointer to a
+.I ptrdiff_t
 argument.
 .PP
 SUSv2 knows about only the length modifiers

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