strchrnul: work around cygwin bug

[pspp] / doc / posix-functions / truncl.texi

diff --git a/doc/posix-functions/truncl.texi b/doc/posix-functions/truncl.texi
index df3d14a09fdddf2bd261864af6d188e498a048fe..616854ee5bfb46522e03a6fdd04db89d83c66411 100644 (file)
--- a/doc/posix-functions/truncl.texi
+++ b/doc/posix-functions/truncl.texi
@@ -4,18 +4,29 @@
 
 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/truncl.html}
 
-Gnulib module: truncl
+Gnulib module: truncl or truncl-ieee
 
-Portability problems fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{truncl} or @code{truncl-ieee}:
 @itemize
 @item
 This function is missing on some platforms:
 FreeBSD 5.2.1, NetBSD 5.0, OpenBSD 3.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 9, Cygwin, Interix 3.5, BeOS.
 @item
+This function is not declared (without @code{-D_GNU_SOURCE}) on some platforms:
+glibc 2.8.
+@item
 This function crashes on some platforms:
 OSF/1 4.0.
 @end itemize
 
+Portability problems fixed by Gnulib module @code{truncl-ieee}:
+@itemize
+@item
+This function returns a positive zero for an argument between -1 and 0
+on some platforms:
+OSF/1 5.1.
+@end itemize
+
 Portability problems not fixed by Gnulib:
 @itemize
 @end itemize