Update gnulib files.

9 files changed, 45 insertions, 14 deletions

diff --git a/gl/arpa_inet.in.h b/gl/arpa_inet.in.h
index 3e93cff25d..e782581f65 100644
--- a/gl/arpa_inet.in.h
+++ b/gl/arpa_inet.in.h
@@ -34,6 +34,8 @@
 #ifndef _GL_ARPA_INET_H
 #define _GL_ARPA_INET_H
 
+/* The definition of GL_LINK_WARNING is copied here.  */
+
 #if @GNULIB_INET_NTOP@
 # if !@HAVE_DECL_INET_NTOP@
 /* Converts an internet address from internal format to a printable,
diff --git a/gl/c-ctype.h b/gl/c-ctype.h
index 76d5b0bbe8..d78dd19d5d 100644
--- a/gl/c-ctype.h
+++ b/gl/c-ctype.h
@@ -5,7 +5,7 @@
    <ctype.h> functions' behaviour depends on the current locale set via
    setlocale.
 
-   Copyright (C) 2000-2003, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2000-2003, 2006, 2008 Free Software Foundation, Inc.
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -103,6 +103,21 @@ extern "C" {
 
 /* Function declarations. */
 
+/* Unlike the functions in <ctype.h>, which require an argument in the range
+   of the 'unsigned char' type, the functions here operate on values that are
+   in the 'unsigned char' range or in the 'char' range.  In other words,
+   when you have a 'char' value, you need to cast it before using it as
+   argument to a <ctype.h> function:
+
+         const char *s = ...;
+         if (isalpha ((unsigned char) *s)) ...
+
+   but you don't need to cast it for the functions defined in this file:
+
+         const char *s = ...;
+         if (c_isalpha (*s)) ...
+ */
+
 extern bool c_isascii (int c); /* not locale dependent */
 
 extern bool c_isalnum (int c);
diff --git a/gl/gnulib.mk b/gl/gnulib.mk
index c441e6c68c..7c19a3ff18 100644
--- a/gl/gnulib.mk
+++ b/gl/gnulib.mk
@@ -9,7 +9,7 @@
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --local-dir=gl/override --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --aux-dir=build-aux --with-tests --avoid=errno --avoid=fseeko --avoid=gettext-h --avoid=malloc-posix --avoid=realloc-posix --avoid=snprintf --avoid=stdbool --avoid=stdio --avoid=string --avoid=sys_socket --avoid=unistd --avoid=vasnprintf --makefile-name=gnulib.mk --libtool --macro-prefix=gl --no-vc-files arpa_inet autobuild error fdl gendocs getaddrinfo getline getpass-gnu gnupload gpl-3.0 inet_ntop inet_pton lgpl-2.1 maintainer-makefile progname readline version-etc-fsf
+# Reproduce by: gnulib-tool --import --dir=. --local-dir=gl/override --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=gl/tests --aux-dir=build-aux --with-tests --avoid=errno --avoid=fseeko --avoid=gettext-h --avoid=malloc-posix --avoid=realloc-posix --avoid=snprintf --avoid=stdbool --avoid=stdio --avoid=string --avoid=sys_socket --avoid=unistd --avoid=vasnprintf --makefile-name=gnulib.mk --libtool --macro-prefix=gl --no-vc-files arpa_inet autobuild error fdl gendocs getaddrinfo getline getpass-gnu gnupload gpl-3.0 inet_ntop inet_pton lgpl-2.1 maintainer-makefile progname readline version-etc-fsf
 
 
 MOSTLYCLEANFILES += core *.stackdump
@@ -40,6 +40,7 @@ arpa/inet.h:
 	      -e 's|@''GNULIB_INET_PTON''@|$(GNULIB_INET_PTON)|g' \
 	      -e 's|@''HAVE_DECL_INET_NTOP''@|$(HAVE_DECL_INET_NTOP)|g' \
 	      -e 's|@''HAVE_DECL_INET_PTON''@|$(HAVE_DECL_INET_PTON)|g' \
+	      -e '/definition of GL_LINK_WARNING/r $(LINK_WARNING_H)' \
 	      < $(srcdir)/arpa_inet.in.h; \
 	} > $@-t
 	mv $@-t $@
@@ -157,6 +158,14 @@ EXTRA_DIST += intprops.h
 
 ## end   gnulib module intprops
 
+## begin gnulib module link-warning
+
+LINK_WARNING_H=$(top_srcdir)/build-aux/link-warning.h
+
+EXTRA_DIST += $(top_srcdir)/build-aux/link-warning.h
+
+## end   gnulib module link-warning
+
 ## begin gnulib module maintainer-makefile
 
 EXTRA_DIST += $(top_srcdir)/maint.mk
diff --git a/gl/m4/arpa_inet_h.m4 b/gl/m4/arpa_inet_h.m4
index 20bd3bc6f5..a6e63df01c 100644
--- a/gl/m4/arpa_inet_h.m4
+++ b/gl/m4/arpa_inet_h.m4
@@ -1,4 +1,4 @@
-# arpa_inet_h.m4 serial 4
+# arpa_inet_h.m4 serial 5
 dnl Copyright (C) 2006, 2008 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -25,6 +25,13 @@ AC_DEFUN([gl_HEADER_ARPA_INET],
   gl_CHECK_NEXT_HEADERS([arpa/inet.h])
 ])
 
+dnl Unconditionally enables the replacement of <arpa/inet.h>.
+AC_DEFUN([gl_REPLACE_ARPA_INET_H],
+[
+  AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
+  ARPA_INET_H='arpa/inet.h'
+])
+
 AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR],
 [
   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
diff --git a/gl/m4/gnulib-cache.m4 b/gl/m4/gnulib-cache.m4
index 66b1092bbd..fb2523bec5 100644
--- a/gl/m4/gnulib-cache.m4
+++ b/gl/m4/gnulib-cache.m4
@@ -15,7 +15,7 @@
 
 
 # Specification in the form of a command-line invocation:
-#   gnulib-tool --import --dir=. --local-dir=gl/override --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --aux-dir=build-aux --with-tests --avoid=errno --avoid=fseeko --avoid=gettext-h --avoid=malloc-posix --avoid=realloc-posix --avoid=snprintf --avoid=stdbool --avoid=stdio --avoid=string --avoid=sys_socket --avoid=unistd --avoid=vasnprintf --makefile-name=gnulib.mk --libtool --macro-prefix=gl --no-vc-files arpa_inet autobuild error fdl gendocs getaddrinfo getline getpass-gnu gnupload gpl-3.0 inet_ntop inet_pton lgpl-2.1 maintainer-makefile progname readline version-etc-fsf
+#   gnulib-tool --import --dir=. --local-dir=gl/override --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=gl/tests --aux-dir=build-aux --with-tests --avoid=errno --avoid=fseeko --avoid=gettext-h --avoid=malloc-posix --avoid=realloc-posix --avoid=snprintf --avoid=stdbool --avoid=stdio --avoid=string --avoid=sys_socket --avoid=unistd --avoid=vasnprintf --makefile-name=gnulib.mk --libtool --macro-prefix=gl --no-vc-files arpa_inet autobuild error fdl gendocs getaddrinfo getline getpass-gnu gnupload gpl-3.0 inet_ntop inet_pton lgpl-2.1 maintainer-makefile progname readline version-etc-fsf
 
 # Specification in the form of a few gnulib-tool.m4 macro invocations:
 gl_LOCAL_DIR([gl/override])
diff --git a/gl/m4/gnulib-comp.m4 b/gl/m4/gnulib-comp.m4
index 8535ef6665..cfd30c1330 100644
--- a/gl/m4/gnulib-comp.m4
+++ b/gl/m4/gnulib-comp.m4
@@ -212,6 +212,7 @@ AC_DEFUN([gl_FILE_LIST], [
   build-aux/config.rpath
   build-aux/gendocs.sh
   build-aux/gnupload
+  build-aux/link-warning.h
   doc/fdl.texi
   doc/gendocs_template
   doc/gpl-3.0.texi
diff --git a/gl/m4/inet_ntop.m4 b/gl/m4/inet_ntop.m4
index 25a3ee9b68..6f873063b9 100644
--- a/gl/m4/inet_ntop.m4
+++ b/gl/m4/inet_ntop.m4
@@ -1,4 +1,4 @@
-# inet_ntop.m4 serial 6
+# inet_ntop.m4 serial 7
 dnl Copyright (C) 2005, 2006, 2008 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -9,8 +9,7 @@ AC_DEFUN([gl_INET_NTOP],
   dnl Persuade Solaris <arpa/inet.h> to declare inet_ntop.
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
 
-  AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
-  ARPA_INET_H='arpa/inet.h'
+  gl_REPLACE_ARPA_INET_H
 
   AC_REPLACE_FUNCS(inet_ntop)
   gl_PREREQ_INET_NTOP
diff --git a/gl/m4/inet_pton.m4 b/gl/m4/inet_pton.m4
index a72cd2383c..06331e9dec 100644
--- a/gl/m4/inet_pton.m4
+++ b/gl/m4/inet_pton.m4
@@ -1,4 +1,4 @@
-# inet_pton.m4 serial 5
+# inet_pton.m4 serial 6
 dnl Copyright (C) 2006, 2008 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -9,8 +9,7 @@ AC_DEFUN([gl_INET_PTON],
   dnl Persuade Solaris <arpa/inet.h> to declare inet_pton.
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
 
-  AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
-  ARPA_INET_H='arpa/inet.h'
+  gl_REPLACE_ARPA_INET_H
 
   AC_REPLACE_FUNCS(inet_pton)
   gl_PREREQ_INET_PTON
diff --git a/gl/strerror.c b/gl/strerror.c
index 2393c67d3a..787575fda5 100644
--- a/gl/strerror.c
+++ b/gl/strerror.c
@@ -49,8 +49,7 @@ rpl_strerror (int n)
 # endif
 
 # if GNULIB_defined_ESOCK /* native Windows platforms */
-    case EWOULDBLOCK:
-      return "Operation would block";
+    /* EWOULDBLOCK is the same as EAGAIN.  */
     case EINPROGRESS:
       return "Operation now in progress";
     case EALREADY:
@@ -134,8 +133,8 @@ rpl_strerror (int n)
     /* WSAEACCES maps to EACCES */
     /* WSAEFAULT maps to EFAULT */
     /* WSAEINVAL maps to EINVAL */
-    /* WSAEMFILE maos to EMFILE */
-    /* WSAEWOULDBLOCK is EWOULDBLOCK */
+    /* WSAEMFILE maps to EMFILE */
+    /* WSAEWOULDBLOCK maps to EWOULDBLOCK */
     /* WSAEINPROGRESS is EINPROGRESS */
     /* WSAEALREADY is EALREADY */
     /* WSAENOTSOCK is ENOTSOCK */