* Re: bug in strtok_r(3) man page
[not found] <707183138.6864091.1568969037896@mail.yahoo.com>
@ 2019-09-23 12:24 ` Michael Kerrisk (man-pages)
0 siblings, 0 replies; only message in thread
From: Michael Kerrisk (man-pages) @ 2019-09-23 12:24 UTC (permalink / raw)
To: eponymous alias; +Cc: mtk.manpages, linux-man
Hello,
On 9/20/19 10:43 AM, eponymous alias wrote:
> The 2019-03-06 strtok_r(3) man page says:
>
> On the first call to strtok_r(), str should point to the string to be
> parsed, and the value of saveptr is ignored.
>
> Uh, no. That would make saveptr totally useless. A quick fix would
> be:
>
> On the first call to strtok_r(), str should point to the string to be
> parsed, and the value of *saveptr is ignored.
Thanks. I applied the patch below.
Michael
diff --git a/man3/strtok.3 b/man3/strtok.3
index 32552534e..9efb18a8d 100644
--- a/man3/strtok.3
+++ b/man3/strtok.3
@@ -146,12 +146,12 @@ On the first call to
.BR strtok_r (),
.I str
should point to the string to be parsed, and the value of
-.I saveptr
+.I *saveptr
is ignored.
In subsequent calls,
.I str
should be NULL, and
-.I saveptr
+.I *saveptr
should be unchanged since the previous call.
.PP
Different strings may be parsed concurrently using sequences of calls to
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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2019-09-23 12:24 ` bug in strtok_r(3) man page Michael Kerrisk (man-pages)
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