Update copyright years.

[chaz/tar] / lib / prepargs.c

diff --git a/lib/prepargs.c b/lib/prepargs.c
index 25dd6014fcdca07fe74e91281fb23dfeb051ca0f..0c85bd445395a571d2d26b0b3758eb00671fb85c 100644 (file)
--- a/lib/prepargs.c
+++ b/lib/prepargs.c
@@ -1,9 +1,9 @@
 /* Parse arguments from a string and prepend them to an argv.
-   Copyright 1999, 2000 Free Software Foundation, Inc.
+   Copyright 1999-2001, 2007, 2013-2014 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 2, or (at your option)
+   the Free Software Foundation; either version 3, or (at your option)
    any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -12,9 +12,7 @@
    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 Paul Eggert <eggert@twinsun.com>.  */
 
@@ -25,22 +23,16 @@
 #include <sys/types.h>
 #include <xalloc.h>
 
-#include <ctype.h>
-
-/* IN_CTYPE_DOMAIN (C) is nonzero if the unsigned char C can safely be given
-   as an argument to <ctype.h> macros like "isspace".  */
-#ifdef STDC_HEADERS
-# define IN_CTYPE_DOMAIN(c) 1
-#else
-# define IN_CTYPE_DOMAIN(c) ((c) <= 0177)
+#if HAVE_STRING_H
+# include <string.h>
 #endif
 
-#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c))
+#include <ctype.h>
 
 /* Find the white-space-separated options specified by OPTIONS, and
    using BUF to store copies of these options, set ARGV[0], ARGV[1],
    etc. to the option copies.  Return the number N of options found.
-   Do not set ARGV[N] to NULL.  If ARGV is NULL, do not store ARGV[0]
+   Do not set ARGV[N].  If ARGV is null, do not store ARGV[0]
    etc.  Backslash can be used to escape whitespace (and backslashes).  */
 static int
 prepend_args (char const *options, char *buf, char **argv)
@@ -51,7 +43,7 @@ prepend_args (char const *options, char *buf, char **argv)
 
   for (;;)
     {
-      while (ISSPACE ((unsigned char) *o))
+      while (isspace ((unsigned char) *o))
        o++;
       if (!*o)
        return n;
@@ -62,7 +54,7 @@ prepend_args (char const *options, char *buf, char **argv)
       do
        if ((*b++ = *o++) == '\\' && *o)
          b[-1] = *o++;
-      while (*o && ! ISSPACE ((unsigned char) *o));
+      while (*o && ! isspace ((unsigned char) *o));
 
       *b++ = '\0';
     }
@@ -77,7 +69,7 @@ prepend_default_options (char const *options, int *pargc, char ***pargv)
   if (options)
     {
       char *buf = xmalloc (strlen (options) + 1);
-      int prepended = prepend_args (options, buf, (char **) NULL);
+      int prepended = prepend_args (options, buf, (char **) 0);
       int argc = *pargc;
       char * const *argv = *pargv;
       char **pp = (char **) xmalloc ((prepended + argc + 1) * sizeof *pp);