perror: document fixed bugs

* doc/posix-functions/perror.texi (perror): Document recent
patches.

Signed-off-by: Eric Blake <eblake@redhat.com>

diff --git a/ChangeLog b/ChangeLog
index 1490490..e899a6b 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-06-07  Eric Blake  <eblake@redhat.com>
+
+       perror: document fixed bugs
+       * doc/posix-functions/perror.texi (perror): Document recent
+       patches.
+
 2011-06-07  Paul Eggert  <eggert@cs.ucla.edu>
 
        stat-time: get_stat_birthtime failure is better-defined

diff --git a/doc/posix-functions/perror.texi b/doc/posix-functions/perror.texi
index 13231e9..ddc7c9b 100644 (file)
--- a/doc/posix-functions/perror.texi
+++ b/doc/posix-functions/perror.texi
@@ -16,6 +16,13 @@ OpenBSD 4.0, OSF/1 5.1, Cygwin 1.5.x, mingw.
 This function treats @code{errno} of 0 like failure, although POSIX
 requires that the message declare it as a success, on some platforms:
 FreeBSD 8.2
+@item
+This function clobbers the @code{strerror} buffer on some platforms:
+Cygwin 1.7.9.
+@item
+This function fails to print a useful a string for out-of-range integers on
+some platforms:
+HP-UX 11, IRIX 6.5, Solaris 8.
 @end itemize
 
 Portability problems not fixed by Gnulib: