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10.47.29 strnlen ¶

POSIX specification:
https://pubs.opengroup.org/onlinepubs/9799919799/functions/strnlen.html

Gnulib module: strnlen

Portability problems fixed by Gnulib:

• On some platforms, calls like strnlen (s, maxlen) can crash if s is null-terminated but address arithmetic overflows (i.e., s + maxlen < s): Android 5.0.
• 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.

Portability problems not fixed by Gnulib: