-/* basename -- strip directory and suffix from filenames
- Copyright (C) 1990-1997, 1999 Free Software Foundation, Inc.
+/* basename -- strip directory and suffix from file names
+ Copyright (C) 1990-1997, 1999-2008 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
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/>. */
/* Usage: basename name [suffix]
- NAME is a pathname; SUFFIX is a suffix to strip from it.
+ NAME is a file name; SUFFIX is a suffix to strip from it.
basename /usr/foo/lossage/functions.l
=> functions.l
=> functions.lis */
#include <config.h>
+#include <getopt.h>
#include <stdio.h>
#include <sys/types.h>
#include "system.h"
#include "long-options.h"
#include "error.h"
+#include "quote.h"
-char *base_name ();
-void strip_trailing_slashes ();
+/* The official name of this program (e.g., no `g' prefix). */
+#define PROGRAM_NAME "basename"
-/* The name this program was run with. */
-char *program_name;
+#define AUTHORS proper_name ("David MacKenzie")
void
usage (int status)
{
- if (status != 0)
+ if (status != EXIT_SUCCESS)
fprintf (stderr, _("Try `%s --help' for more information.\n"),
program_name);
else
or: %s OPTION\n\
"),
program_name, program_name);
- printf (_("\
+ fputs (_("\
Print NAME with any leading directory components removed.\n\
If specified, also remove a trailing SUFFIX.\n\
\n\
- --help display this help and exit\n\
- --version output version information and exit\n\
-"));
- puts (_("\nReport bugs to <bug-sh-utils@gnu.org>."));
+"), stdout);
+ fputs (HELP_OPTION_DESCRIPTION, stdout);
+ fputs (VERSION_OPTION_DESCRIPTION, stdout);
+ printf (_("\
+\n\
+Examples:\n\
+ %s /usr/bin/sort Output \"sort\".\n\
+ %s include/stdio.h .h Output \"stdio\".\n\
+"),
+ program_name, program_name);
+ emit_bug_reporting_address ();
}
exit (status);
}
{
char *name;
- program_name = argv[0];
+ initialize_main (&argc, &argv);
+ set_program_name (argv[0]);
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
- parse_long_options (argc, argv, "basename", GNU_PACKAGE, VERSION,
- "FIXME unknown", usage);
+ atexit (close_stdout);
+
+ parse_long_options (argc, argv, PROGRAM_NAME, PACKAGE_NAME, VERSION,
+ usage, AUTHORS, (char const *) NULL);
+ if (getopt_long (argc, argv, "+", NULL, NULL) != -1)
+ usage (EXIT_FAILURE);
- if (argc == 1 || argc > 3)
+ if (argc < optind + 1)
{
- error (0, 0, (argc == 1 ? _("too few arguments")
- : _("too many arguments")));
- usage (1);
+ error (0, 0, _("missing operand"));
+ usage (EXIT_FAILURE);
}
- strip_trailing_slashes (argv[1]);
+ if (optind + 2 < argc)
+ {
+ error (0, 0, _("extra operand %s"), quote (argv[optind + 2]));
+ usage (EXIT_FAILURE);
+ }
- name = base_name (argv[1]);
+ name = base_name (argv[optind]);
+ strip_trailing_slashes (name);
- if (argc == 3)
- remove_suffix (name, argv[2]);
+ /* Per POSIX, `basename // /' must return `//' on platforms with
+ distinct //. On platforms with drive letters, this generalizes
+ to making `basename c: :' return `c:'. This rule is captured by
+ skipping suffix stripping if base_name returned an absolute path
+ or a drive letter (only possible if name is a file-system
+ root). */
+ if (argc == optind + 2 && IS_RELATIVE_FILE_NAME (name)
+ && ! FILE_SYSTEM_PREFIX_LEN (name))
+ remove_suffix (name, argv[optind + 1]);
puts (name);
+ free (name);
- exit (0);
+ exit (EXIT_SUCCESS);
}