memmem, strstr, strcasestr: fix bug with long periodic needle

[pspp] / doc / glibc-functions / memmem.texi

diff --git a/doc/glibc-functions/memmem.texi b/doc/glibc-functions/memmem.texi
index c7e3d739f4c4b86719385014ba370a98899a3fea..0cfcdd9382fd8bc72842b514c938e445e396dd6b 100644 (file)
--- a/doc/glibc-functions/memmem.texi
+++ b/doc/glibc-functions/memmem.texi
@@ -13,6 +13,10 @@ MacOS X 10.3, FreeBSD 5.2.1, OpenBSD 4.0, AIX 4.3.2, HP-UX 11, IRIX 6.5, OSF/1 5
 @item
 This function has reversed arguments on some older platforms:
 Linux libc 5.0.9
+@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{memmem}: