Update gnulib files.

6 files changed, 106 insertions, 61 deletions

diff --git a/build-aux/arg-nonnull.h b/build-aux/arg-nonnull.h
new file mode 100644
index 0000000..7e3e2db
--- /dev/null
+++ b/build-aux/arg-nonnull.h
@@ -0,0 +1,26 @@
+/* A C macro for declaring that specific arguments must not be NULL.
+   Copyright (C) 2009, 2010 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 the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools
+   that the values passed as arguments n, ..., m must be non-NULL pointers.
+   n = 1 stands for the first argument, n = 2 for the second argument etc.  */
+#ifndef _GL_ARG_NONNULL
+# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3
+#  define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params))
+# else
+#  define _GL_ARG_NONNULL(params)
+# endif
+#endif
diff --git a/build-aux/gendocs.sh b/build-aux/gendocs.sh
index a1ed4b4..b50a6c7 100755
--- a/build-aux/gendocs.sh
+++ b/build-aux/gendocs.sh
@@ -1,16 +1,16 @@
-#!/bin/sh
+#!/bin/sh -e
 # gendocs.sh -- generate a GNU manual in many formats.  This script is
 #   mentioned in maintain.texi.  See the help message below for usage details.
 
-scriptversion=2009-04-08.09
+scriptversion=2010-01-02.16
 
-# Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009
+# Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
 # Free Software Foundation, Inc.
 #
-# This program is free software; you can redistribute it and/or modify
+# 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
-# the Free Software Foundation; either version 3 of the License,
-# or (at your option) any later version.
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -268,7 +268,7 @@ else
 fi
 
 echo Making .tar.gz for sources...
-srcfiles=`ls *.texinfo *.texi *.txi *.eps 2>/dev/null`
+srcfiles=`ls *.texinfo *.texi *.txi *.eps 2>/dev/null` || true
 tar cvzfh $outdir/$PACKAGE.texi.tar.gz $srcfiles
 texi_tgz_size=`calcsize $outdir/$PACKAGE.texi.tar.gz`
 
diff --git a/build-aux/link-warning.h b/build-aux/link-warning.h
index fda0194..0725e78 100644
--- a/build-aux/link-warning.h
+++ b/build-aux/link-warning.h
@@ -1,3 +1,20 @@
+/* A C macro for emitting link time warnings.
+   Copyright (C) 1995, 1997, 2000, 2002-2003, 2007, 2009-2010 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 the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
 /* GL_LINK_WARNING("literal string") arranges to emit the literal string as
    a linker warning on most glibc systems.
    We use a linker warning rather than a preprocessor warning, because
@@ -15,12 +32,12 @@
 #  define GL_LINK_WARNING2(file, line, message) \
      GL_LINK_WARNING3 (file ":" #line ": warning: " message)
 #  define GL_LINK_WARNING3(message) \
-     ({ static const char warning[sizeof (message)]		\
-          __attribute__ ((__unused__,				\
-                          __section__ (".gnu.warning"),		\
-                          __aligned__ (1)))			\
-          = message "\n";					\
-        (void)0;						\
+     ({ static const char warning[sizeof (message)]             \
+          __attribute__ ((__unused__,                           \
+                          __section__ (".gnu.warning"),         \
+                          __aligned__ (1)))                     \
+          = message "\n";                                       \
+        (void)0;                                                \
      })
 # else
 #  define GL_LINK_WARNING(message) ((void) 0)
diff --git a/build-aux/pmccabe2html b/build-aux/pmccabe2html
index 27bb8f3..3f887ad 100755..100644
--- a/build-aux/pmccabe2html
+++ b/build-aux/pmccabe2html
@@ -1,7 +1,6 @@
-#!/usr/bin/awk -f
-# pmccabe2html - pmccabe to html converter
+# pmccabe2html - AWK script to convert pmccabe output to html
 
-# Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+# Copyright (C) 2007, 2008, 2009, 2010 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
@@ -22,16 +21,16 @@
 
 # Typical Invocation is from a Makefile.am:
 #
-# cyclo-libidn.html:
+# cyclo-$(PACKAGE).html:
 #	$(PMCCABE) ${top_srcdir}/lib/*.[ch] \
 #		| sort -nr \
 #		| $(AWK) -f ${top_srcdir}/build-aux/pmccabe2html \
 #			-v lang=html -v name="$(PACKAGE_NAME)" \
-#			-v vcurl="http://git.savannah.gnu.org/gitweb/?p=libidn.git;a=blob;f=%FILENAME%;hb=HEAD" \
-#			-v url="http://www.gnu.org/software/libidn/" \
-#                       -v css=../../build-aux/pmccabe.css \
-#			> tmp
-#	mv tmp $@
+#			-v vcurl="http://git.savannah.gnu.org/gitweb/?p=$(PACKAGE).git;a=blob;f=%FILENAME%;hb=HEAD" \
+#			-v url="http://www.gnu.org/software/$(PACKAGE)/" \
+#                       -v css=${top_srcdir}/build-aux/pmccabe.css \
+#			> $@-tmp
+#	mv $@-tmp $@
 #
 # The variables available are:
 #   lang     output language, either 'html' or 'wiki'
@@ -65,7 +64,7 @@ BEGIN {
 	html_prolog = "<a href=\"" url "\">Back to " package_name " Homepage</a><br/><br/>"
     }
     html_epilog = "<hr color=\"black\" size=\"2\"/> \
-Copyright (c) 2007, 2008 Free Software Foundation Inc."
+Copyright (c) 2007, 2008 Free Software Foundation, Inc."
     html_doctype = "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \
 \"http://www.w3.org/TR/html401/loose.dtd\">"
     html_comment = "<!-- Generated by gnulib's pmccabe2html at " systime() " -->"
@@ -136,22 +135,22 @@ function html_fnc_table (caption,
     {
         print "<caption class=\"function_table_caption\">" caption "</caption>"
     }
-    html_fnc_header(fname_p, 
-                    mcyclo_p, 
-                    cyclo_p, 
-                    num_statements_p, 
-                    num_lines_p, 
-                    first_line_p, 
+    html_fnc_header(fname_p,
+                    mcyclo_p,
+                    cyclo_p,
+                    num_statements_p,
+                    num_lines_p,
+                    first_line_p,
                     file_p)
     for (nfnc = 1; nfnc < nfuncs; nfnc++)
     {
         html_fnc(nfnc,
-                 fname_p, 
-                 mcyclo_p, 
-                 cyclo_p, 
-                 num_statements_p, 
-                 num_lines_p, 
-                 first_line_p, 
+                 fname_p,
+                 mcyclo_p,
+                 cyclo_p,
+                 num_statements_p,
+                 num_lines_p,
+                 first_line_p,
                  file_p)
     }
     print "</table>"
@@ -308,7 +307,7 @@ function html_fnc (nfun,
     if (mcyclo[nfun] > cyclo_high_max)
     {
         trclass="function_entry_untestable"
-    }   
+    }
     else if (mcyclo[nfun] > cyclo_moderate_max)
     {
         trclass="function_entry_high"
@@ -392,7 +391,7 @@ function html_fnc (nfun,
         {
             print file[nfun]
         }
- 
+
         print "</td>"
 
 
@@ -410,7 +409,7 @@ function html_fnc (nfun,
             if (num_lines_p) { num_columns++ }
             if (first_line_p) { num_columns++ }
             if (file_p) { num_columns++ }
-            
+
             print "<td colspan=\"" num_columns "\" height=\"0\">"
             print "<div id=\"" fname "_src\" class=\"function_src\" style=\"position: relative; display: none;\">"
             print "<pre class=\"function_src\">"
@@ -420,7 +419,7 @@ function html_fnc (nfun,
                 sub(/\\</, "&lt;", codeline)
                 sub(/\\>/, "&gt;", codeline)
                 sub(/&/, "&amp;", codeline)
-                
+
                 print codeline
             }
             close(fname nfun "_fn.txt")
@@ -518,7 +517,7 @@ function html_function_cyclo ()
     print "Simple module, without much risk"
     print "</td>"
     print "</tr>"
-    # Moderate 
+    # Moderate
     print "<tr>"
     print "<td class=\"ranges_entry_moderate\">"
     print "&nbsp;"
@@ -590,7 +589,7 @@ function wiki_function_cyclo ()
     print "==Details for all functions=="
 
     print "Used ranges:"
-    
+
     print "{| class =\"cyclo_ranges_table\""
     print "|-"
     print "| class=\"cyclo_ranges_header_entry\" | "
@@ -647,22 +646,22 @@ function wiki_fnc_table (caption,
     {
         print "|+" caption
     }
-    wiki_fnc_header(fname_p, 
-                    mcyclo_p, 
-                    cyclo_p, 
-                    num_statements_p, 
-                    num_lines_p, 
-                    first_line_p, 
+    wiki_fnc_header(fname_p,
+                    mcyclo_p,
+                    cyclo_p,
+                    num_statements_p,
+                    num_lines_p,
+                    first_line_p,
                     file_p)
     for (nfnc = 1; nfnc < nfuncs; nfnc++)
     {
         wiki_fnc(nfnc,
-                 fname_p, 
-                 mcyclo_p, 
-                 cyclo_p, 
-                 num_statements_p, 
-                 num_lines_p, 
-                 first_line_p, 
+                 fname_p,
+                 mcyclo_p,
+                 cyclo_p,
+                 num_statements_p,
+                 num_lines_p,
+                 first_line_p,
                  file_p)
     }
     print "|}"
@@ -725,7 +724,7 @@ function wiki_fnc (nfnc,
     if (mcyclo[nfnc] > cyclo_high_max)
     {
         trclass="cyclo_function_entry_untestable"
-    }   
+    }
     else if (mcyclo[nfnc] > cyclo_moderate_max)
     {
         trclass="cyclo_function_entry_high"
@@ -774,7 +773,7 @@ function wiki_fnc (nfnc,
             href = source_file_link_tmpl
             sub(/%FILENAME%/, file[nfnc], href)
         }
-        
+
         # Source file
         print "| class=\"cyclo_function_entry_filename\" |" \
             ((href != "") ? "[" href " " file[nfnc] "]" : "[" file[nfnc] "]")
@@ -839,7 +838,7 @@ END {
     }
 
     # Print prolog
-    if ((output_lang == "html") && 
+    if ((output_lang == "html") &&
         (html_prolog != ""))
     {
         print html_prolog
@@ -885,9 +884,9 @@ END {
             wiki_function_cyclo()
         }
     }
-    
+
     # Print epilog
-    if ((output_lang == "html") && 
+    if ((output_lang == "html") &&
         (html_epilog != ""))
     {
         print html_epilog
diff --git a/build-aux/useless-if-before-free b/build-aux/useless-if-before-free
index abcdef2..6aa7d39 100755
--- a/build-aux/useless-if-before-free
+++ b/build-aux/useless-if-before-free
@@ -1,4 +1,6 @@
-#!/usr/bin/perl -T
+eval '(exit $?0)' && eval 'exec perl -wST "$0" ${1+"$@"}'
+  & eval 'exec perl -wST "$0" $argv:q'
+    if 0;
 # Detect instances of "if (p) free (p);".
 # Likewise for "if (p != NULL) free (p);".  And with braces.
 # Also detect "if (NULL != p) free (p);".
@@ -10,7 +12,7 @@ my $VERSION = '2009-04-16 15:57'; # UTC
 # If you change this file with Emacs, please let the write hook
 # do its job.  Otherwise, update this string manually.
 
-# Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+# Copyright (C) 2008-2010 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
@@ -197,6 +199,7 @@ When modifying files, refuse to process anything other than a regular file.
 EOF
 
 ## Local Variables:
+## mode: perl
 ## indent-tabs-mode: nil
 ## eval: (add-hook 'write-file-hooks 'time-stamp)
 ## time-stamp-start: "my $VERSION = '"
diff --git a/build-aux/vc-list-files b/build-aux/vc-list-files
index cc716e9..c07576d 100755
--- a/build-aux/vc-list-files
+++ b/build-aux/vc-list-files
@@ -4,7 +4,7 @@
 # Print a version string.
 scriptversion=2009-07-21.16; # UTC
 
-# Copyright (C) 2006-2009 Free Software Foundation, Inc.
+# Copyright (C) 2006-2010 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