/* argmatch.c -- find a match for a string in an array
- Copyright (C) 1990, 1998, 1999, 2001, 2002 Free Software Foundation, Inc.
+
+ Copyright (C) 1990, 1998, 1999, 2001, 2002, 2003, 2004 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
/* Specification. */
#include "argmatch.h"
+#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "error.h"
#include "exit.h"
+#include "quotearg.h"
+#include "quote.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
+ literal_quoting_style. */
+#ifndef ARGMATCH_QUOTING_STYLE
+# define ARGMATCH_QUOTING_STYLE locale_quoting_style
+#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
"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'")
- : _("ambiguous argument `%s' for `%s'"));
+ ? _("invalid argument %s for %s")
+ : _("ambiguous argument %s for %s"));
- error (0, 0, format, value, context);
+ error (0, 0, format, quotearg_n_style (0, ARGMATCH_QUOTING_STYLE, value),
+ quote_n (1, context));
}
/* List the valid arguments for argmatch.
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))
* Based on "getversion.c" by David MacKenzie <djm@gnu.ai.mit.edu>
*/
char *program_name;
-extern const char *getenv ();
/* When to make backup files. */
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];
/* argmatch.h -- definitions and prototypes for argmatch.c
- Copyright (C) 1990, 1998, 1999, 2001-2003 Free Software Foundation, Inc.
+
+ Copyright (C) 1990, 1998, 1999, 2001, 2002, 2004 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
false ambiguities (i.e., different matches of ARG but corresponding
to the same values in VALLIST). */
-int argmatch (char const *arg, char const *const *arglist,
- char const *vallist, size_t valsize);
+ptrdiff_t argmatch (char const *arg, char const *const *arglist,
+ char const *vallist, size_t valsize);
# define ARGMATCH(Arg, Arglist, Vallist) \
argmatch (Arg, Arglist, (char const *) (Vallist), sizeof *(Vallist))
/* xargmatch calls this function when it fails. This function should not
return. By default, this is a function that calls ARGMATCH_DIE which
- in turn defaults to `exit (EXIT_FAILURE)'. */
+ in turn defaults to `exit (exit_failure)'. */
typedef void (*argmatch_exit_fn) (void);
extern DLL_VARIABLE argmatch_exit_fn argmatch_die;
/* Report on stderr why argmatch failed. Report correct values. */
-void argmatch_invalid (char const *context, char const *value, int problem);
+void argmatch_invalid (char const *context, char const *value,
+ ptrdiff_t problem);
/* Left for compatibility with the old name invalid_arg */
/* Same as argmatch, but upon failure, reports a explanation on the
failure, and exits using the function EXIT_FN. */
-int __xargmatch_internal (char const *context,
- char const *arg, char const *const *arglist,
- char const *vallist, size_t valsize,
- argmatch_exit_fn exit_fn);
+ptrdiff_t __xargmatch_internal (char const *context,
+ char const *arg, char const *const *arglist,
+ char const *vallist, size_t valsize,
+ argmatch_exit_fn exit_fn);
/* Programmer friendly interface to __xargmatch_internal. */