@item
This function can trigger memchr bugs on some platforms:
glibc 2.10.
+
+@item
+This function can trigger false positives for long periodic needles on
+some platforms:
+glibc 2.12, Cygwin 1.7.7.
@end itemize
Portability problems fixed by Gnulib module @code{strcasestr}:
@item
This function has quadratic instead of linear worst-case complexity on some
platforms:
-glibc 2.8, FreeBSD 6.2, NetBSD 3.0, OpenBSD 4.0.
+glibc 2.8, FreeBSD 6.2, NetBSD 5.0, OpenBSD 4.0, Solaris 11 2010-11.
@end itemize
Portability problems not fixed by Gnulib: