strnlen.texi

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Hash : c36a0f21
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Date : 2024-10-27T17:01:29

doc: Add a module index.

* doc/Makefile (undocumented-modules.texi): New rule.
(%.info, %.html, %.dvi, %.pdf): Depend on undocumented-modules.texi.
(mostlyclean): Remove also *.m and *.tmp.
(force): New rule.
* doc/*.texi: Add module index entries.
* doc/*/*.texi: Likewise.

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doc/posix-functions/strnlen.texi

@node strnlen
@subsection @code{strnlen}
@findex strnlen

POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/strnlen.html}

Gnulib module: strnlen
@mindex strnlen

Portability problems fixed by Gnulib:
@itemize
@item
On some platforms, calls like @code{strnlen (s, maxlen)} can crash if
@var{s} is null-terminated but address arithmetic overflows
(i.e., @code{s + maxlen < s}):
Android 5.0.
@item
This function is missing on some platforms:
Mac OS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, HP-UX 11, Solaris 10, mingw.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@end itemize

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doc/posix-functions/strnlen.texi