Re: [PATCH v1 0/1] Document strnul(3)

[Alejandro Colomar <alx@kernel.org>]

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On 2026-02-21T16:02:49+0100, Alejandro Colomar wrote:
> Hi!
> 
> gnulib has added strnul(3).  I hope libc implementation eventually pick
> up this API.  Let's document it in a manual page.

Here's how the page looks like:

$ MANWIDTH=72 diffman-git HEAD
fatal: path 'man/man3/strnul.3' exists on disk, but not in 'HEAD^'
--- HEAD^:man/man3/strnul.3
+++ HEAD:man/man3/strnul.3
@@ -0,0 +1,39 @@
+strnul(3)               Library Functions Manual              strnul(3)
+
+NAME
+     strnul - string null‐terminator
+
+LIBRARY
+     gnulib - The GNU Portability Library
+
+SYNOPSIS
+     #include <string.h>
+
+     char *streq(const char *s);
+
+DESCRIPTION
+     strnul() returns a pointer to the terminating null byte in the
+     string s.
+
+RETURN VALUE
+     s+strlen(s).
+
+ATTRIBUTES
+     For an explanation of the terms used in this section, see attrib‐
+     utes(7).
+     ┌──────────────────────────────────────┬───────────────┬─────────┐
+     │ Interface                            │ Attribute     │ Value   │
+     ├──────────────────────────────────────┼───────────────┼─────────┤
+     │ strnul()                             │ Thread safety │ MT‐Safe │
+     └──────────────────────────────────────┴───────────────┴─────────┘
+
+STANDARDS
+     GNU.
+
+HISTORY
+     gnulib 202607.
+
+SEE ALSO
+     strlen(3), strchr(3), string(3)
+
+Linux man‐pages (unreleased)     (date)                       strnul(3)

-- 
<https://www.alejandro-colomar.es>

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