--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2010-10-02  Bruno Haible  <bruno@clisp.org>
+
+	Define missing EDQUOT on NonStop Kernel.
+	* lib/errno.in.h (EDQUOT): Assign a value if missing.
+	* lib/strerror.c (rpl_strerror): Handle missing EDQUOT.
+	* m4/errno_h.m4 (gl_HEADER_ERRNO_H): Also test whether EDQUOT is
+	missing.
+	* doc/posix-headers/errno.texi: Mention the NSK bug.
+	* doc/posix-functions/strerror.texi: Mention the workaround on NSK.
+	Reported by Joachim Schmitz <schmitz@hp.com>.
+
 2010-10-02  Bruno Haible  <bruno@clisp.org>
 
 	Update doc for POSIX:2008.

--- a/doc/posix-functions/strerror.texi
+++ b/doc/posix-functions/strerror.texi
@@ -11,7 +11,7 @@
 @item
 This function does not support the error values that are specified by POSIX
 but not defined by the system, on some platforms:
-OpenBSD 4.0, OSF/1 5.1, Cygwin 1.5.x, mingw.
+OpenBSD 4.0, OSF/1 5.1, NonStop Kernel, Cygwin 1.5.x, mingw.
 @item
 This function fails to return a string for out-of-range integers on
 some platforms:

--- a/doc/posix-headers/errno.texi
+++ b/doc/posix-headers/errno.texi
@@ -22,14 +22,17 @@
 The macro @code{ESTALE} is not defined on some platforms:
 mingw, Interix 3.5.
 @item
+The macro @code{EDQUOT} is not defined on some platforms:
+NonStop Kernel, mingw.
+@item
 The macros @code{EWOULDBLOCK}, @code{ETXTBSY}, @code{ELOOP}, @code{ENOTSOCK},
 @code{EDESTADDRREQ}, @code{EMSGSIZE}, @code{EPROTOTYPE}, @code{ENOPROTOOPT},
 @code{EPROTONOSUPPORT}, @code{EOPNOTSUPP}, @code{EAFNOSUPPORT},
 @code{EADDRINUSE}, @code{EADDRNOTAVAIL}, @code{ENETDOWN}, @code{ENETUNREACH},
 @code{ENETRESET}, @code{ECONNABORTED}, @code{ECONNRESET}, @code{ENOBUFS},
 @code{EISCONN}, @code{ENOTCONN}, @code{ETIMEDOUT}, @code{ECONNREFUSED},
-@code{EHOSTUNREACH}, @code{EALREADY}, @code{EINPROGRESS}, @code{EDQUOT} are
-not defined on some platforms:
+@code{EHOSTUNREACH}, @code{EALREADY}, @code{EINPROGRESS} are not defined on
+some platforms:
 mingw.
 @end itemize
 

--- a/lib/errno.in.h
+++ b/lib/errno.in.h
@@ -98,6 +98,7 @@
 
 /* On OpenBSD 4.0 and on native Windows, the macros ENOMSG, EIDRM, ENOLINK,
    EPROTO, EMULTIHOP, EBADMSG, EOVERFLOW, ENOTSUP, ECANCELED are not defined.
+   Likewise, on NonStop Kernel, EDQUOT is not defined.
    Define them here.  Values >= 2000 seem safe to use: Solaris ESTALE = 151,
    HP-UX EWOULDBLOCK = 246, IRIX EDQUOT = 1133.
 
@@ -150,6 +151,11 @@
 #  define GNULIB_defined_ESTALE 1
 # endif
 
+# ifndef EDQUOT
+#  define EDQUOT 2010
+#  define GNULIB_defined_EDQUOT 1
+# endif
+
 # ifndef ECANCELED
 #  define ECANCELED 2008
 #  define GNULIB_defined_ECANCELED 1

--- a/lib/strerror.c
+++ b/lib/strerror.c
@@ -322,6 +322,12 @@
       break;
 # endif
 
+# if GNULIB_defined_EDQUOT
+    case EDQUOT:
+      msg = "Disk quota exceeded";
+      break;
+# endif
+
 # if GNULIB_defined_ECANCELED
     case ECANCELED:
       msg = "Operation canceled";

--- a/m4/errno_h.m4
+++ b/m4/errno_h.m4
@@ -1,5 +1,5 @@
-# errno_h.m4 serial 6
-dnl Copyright (C) 2004, 2006, 2008, 2009, 2010 Free Software Foundation, Inc.
+# errno_h.m4 serial 7
+dnl Copyright (C) 2004, 2006, 2008-2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -37,6 +37,9 @@
 #if !defined ESTALE
 booboo
 #endif
+#if !defined EDQUOT
+booboo
+#endif
 #if !defined ECANCELED
 booboo
 #endif