add boilerplate for standard licenses

[gnulib.git] / lib / argmatch.c

diff --git a/lib/argmatch.c b/lib/argmatch.c
index 1a8ec2f..925449b 100644 (file)
--- a/lib/argmatch.c
+++ b/lib/argmatch.c
@@ -1,12 +1,12 @@
 /* argmatch.c -- find a match for a string in an array
 
-   Copyright (C) 1990, 1998, 1999, 2001, 2002, 2003, 2004 Free
-   Software Foundation, Inc.
+   Copyright (C) 1990, 1998, 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+   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 2, 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
@@ -14,15 +14,12 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* Written by David MacKenzie <djm@ai.mit.edu>
    Modified by Akim Demaille <demaille@inf.enst.fr> */
 
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
 
 /* Specification.  */
 #include "argmatch.h"
@@ -36,10 +33,12 @@
 #define _(msgid) gettext (msgid)
 
 #include "error.h"
-#include "exit.h"
 #include "quotearg.h"
 #include "quote.h"
-#include "unlocked-io.h"
+
+#if USE_UNLOCKED_IO
+# include "unlocked-io.h"
+#endif
 
 /* When reporting an invalid argument, show nonprinting characters
    by using the quoting style ARGMATCH_QUOTING_STYLE.  Do not use
@@ -70,7 +69,7 @@ argmatch_exit_fn argmatch_die = __argmatch_die;
 
 \f
 /* If ARG is an unambiguous match for an element of the
-   null-terminated array ARGLIST, return the index in ARGLIST
+   NULL-terminated array ARGLIST, return the index in ARGLIST
    of the matched element, else -1 if it does not match any element
    or -2 if it is ambiguous (is a prefix of more than one element).
 
@@ -216,17 +215,17 @@ char *program_name;
 enum backup_type
 {
   /* Never make backups.  */
-  none,
+  no_backups,
 
   /* Make simple backups of every file.  */
-  simple,
+  simple_backups,
 
   /* Make numbered backups of files that already have numbered backups,
      and simple backups of the others.  */
-  numbered_existing,
+  numbered_existing_backups,
 
   /* Make numbered backups of every file.  */
-  numbered
+  numbered_backups
 };
 
 /* Two tables describing arguments (keys) and their corresponding
@@ -242,17 +241,17 @@ static const char *const backup_args[] =
 
 static const enum backup_type backup_vals[] =
 {
-  none, none, none,
-  simple, simple,
-  numbered_existing, numbered_existing,
-  numbered, numbered
+  no_backups, no_backups, no_backups,
+  simple_backups, simple_backups,
+  numbered_existing_backups, numbered_existing_backups,
+  numbered_backups, numbered_backups
 };
 
 int
 main (int argc, const char *const *argv)
 {
   const char *cp;
-  enum backup_type backup_type = none;
+  enum backup_type backup_type = no_backups;
 
   program_name = (char *) argv[0];