Add a comment.

* doc/posix-functions/strerror.texi: Add a comment.

diff --git a/ChangeLog b/ChangeLog
index 4d9c4ea..8a68143 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2010-11-09  Bruno Haible  <bruno@clisp.org>
+
+       * doc/posix-functions/strerror.texi: Add a comment.
+
 2010-11-07  Paul Eggert  <eggert@cs.ucla.edu>
 
        fdopendir: fix bug on MacOS X when low on file descriptors

diff --git a/doc/posix-functions/strerror.texi b/doc/posix-functions/strerror.texi
index 84d92c3..1c1e46e 100644 (file)
--- a/doc/posix-functions/strerror.texi
+++ b/doc/posix-functions/strerror.texi
@@ -16,6 +16,8 @@ OpenBSD 4.0, OSF/1 5.1, NonStop Kernel, Cygwin 1.5.x, mingw.
 This function fails to return a string for out-of-range integers on
 some platforms:
 Solaris 8.
+(This is not a POSIX violation, but can still cause bugs because most programs
+call @code{strerror} without setting and testing @code{errno}.)
 @end itemize
 
 Portability problems not fixed by Gnulib: