/* argmatch.c -- find a match for a string in an array
- Copyright (C) 1990, 1998, 1999, 2001, 2002, 2003 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
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"
+#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "error.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
# define ARGMATCH_QUOTING_STYLE locale_quoting_style
#endif
-#ifndef EXIT_FAILURE
-# define EXIT_FAILURE 1
-#endif
-
/* Non failing version of argmatch call this function after failing. */
#ifndef ARGMATCH_DIE
-# define ARGMATCH_DIE exit (EXIT_FAILURE)
+# include "exitfail.h"
+# define ARGMATCH_DIE exit (exit_failure)
#endif
#ifdef ARGMATCH_DIE_DECL
\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).
"no", "nope" -> 1
"y" is a valid argument, for `0', and "n" for `1'. */
-int
+ptrdiff_t
argmatch (const char *arg, const char *const *arglist,
const char *vallist, size_t valsize)
{
- int i; /* Temporary index in ARGLIST. */
+ size_t i; /* Temporary index in ARGLIST. */
size_t arglen; /* Length of ARG. */
- int matchind = -1; /* Index of first nonexact match. */
- int ambiguous = 0; /* If nonzero, multiple nonexact match(es). */
+ ptrdiff_t matchind = -1; /* Index of first nonexact match. */
+ bool ambiguous = false; /* If true, multiple nonexact match(es). */
arglen = strlen (arg);
{
/* There is a real ambiguity, or we could not
disambiguate. */
- ambiguous = 1;
+ ambiguous = true;
}
}
}
PROBLEM is the return value from argmatch. */
void
-argmatch_invalid (const char *context, const char *value, int problem)
+argmatch_invalid (const char *context, const char *value, ptrdiff_t problem)
{
char const *format = (problem == -1
? _("invalid argument %s for %s")
argmatch_valid (const char *const *arglist,
const char *vallist, size_t valsize)
{
- int i;
+ size_t i;
const char *last_val = NULL;
/* We try to put synonyms on the same line. The assumption is that
"--version-control", or "$VERSION_CONTROL" etc.). Upon failure,
calls the (supposed never to return) function EXIT_FN. */
-int
+ptrdiff_t
__xargmatch_internal (const char *context,
const char *arg, const char *const *arglist,
const char *vallist, size_t valsize,
argmatch_exit_fn exit_fn)
{
- int res = argmatch (arg, arglist, vallist, valsize);
+ ptrdiff_t res = argmatch (arg, arglist, vallist, valsize);
if (res >= 0)
/* Success. */
return res;
const char *const *arglist,
const char *vallist, size_t valsize)
{
- int i;
+ size_t i;
for (i = 0; arglist[i]; i++)
if (!memcmp (value, vallist + valsize * i, valsize))
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
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];