NOTE: getopt is now part of the C library, so if you don't know what
"Keep this file name-space clean" means, talk to drepper@gnu.org
before changing it!
- Copyright (C) 1987,88,89,90,91,92,93,94,95,96,98,99,2000,2001,2002
- Free Software Foundation, Inc.
+
+ Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation,
+ Inc.
+
This file is part of the GNU C Library.
This program is free software; you can redistribute it and/or modify
# include <config.h>
#endif
-#if !defined __STDC__ || !__STDC__
-/* This is a separate conditional since some stdc systems
- reject `defined (const)'. */
-# ifndef const
-# define const
-# endif
-#endif
-
#include <stdio.h>
/* Comment out all this code if we are using the GNU C Library, and are not
# include <unistd.h>
#endif /* GNU C library. */
+#include <string.h>
+
#ifdef VMS
# include <unixlib.h>
-# if HAVE_STRING_H - 0
-# include <string.h>
-# endif
#endif
#ifdef _LIBC
/* Value of POSIXLY_CORRECT environment variable. */
static char *posixly_correct;
\f
-#ifdef __GNU_LIBRARY__
-/* We want to avoid inclusion of string.h with non-GNU libraries
- because there are many ways it can cause trouble.
- On some systems, it contains special magic macros that don't work
- in GCC. */
-# include <string.h>
-# define my_index strchr
-#else
-
-# if HAVE_STRING_H
-# include <string.h>
-# else
-# include <strings.h>
-# endif
+#ifndef __GNU_LIBRARY__
/* Avoid depending on library functions or files
whose names are inconsistent. */
extern char *getenv ();
#endif
-static char *
-my_index (str, chr)
- const char *str;
- int chr;
-{
- while (*str)
- {
- if (*str == chr)
- return (char *) str;
- str++;
- }
- return 0;
-}
-
-/* If using GCC, we can safely declare strlen this way.
- If not using GCC, it is ok not to declare it. */
-#ifdef __GNUC__
-/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h.
- That was relevant to code that was here before. */
-# if (!defined __STDC__ || !__STDC__) && !defined strlen
-/* gcc with -traditional declares the built-in strlen to return int,
- and has done so at least since version 2.4.5. -- rms. */
-extern int strlen (const char *);
-# endif /* not __STDC__ */
-#endif /* __GNUC__ */
-
#endif /* not __GNU_LIBRARY__ */
\f
/* Handle permutation of arguments. */
`first_nonopt' and `last_nonopt' are relocated so that they describe
the new indices of the non-options in ARGV after they are moved. */
-#if defined __STDC__ && __STDC__
-static void exchange (char **);
-#endif
-
static void
-exchange (argv)
- char **argv;
+exchange (char **argv)
{
int bottom = first_nonopt;
int middle = last_nonopt;
/* Initialize the internal data when the first call is made. */
-#if defined __STDC__ && __STDC__
-static const char *_getopt_initialize (int, char *const *, const char *);
-#endif
static const char *
-_getopt_initialize (argc, argv, optstring)
- int argc;
- char *const *argv;
- const char *optstring;
+_getopt_initialize (int argc, char *const *argv, const char *optstring)
{
/* Start processing options with ARGV-element 1 (since ARGV-element 0
is the program name); the sequence of previously skipped
long-named options. */
int
-_getopt_internal (argc, argv, optstring, longopts, longind, long_only)
- int argc;
- char *const *argv;
- const char *optstring;
- const struct option *longopts;
- int *longind;
- int long_only;
+_getopt_internal (int argc, char *const *argv,
+ const char *optstring, const struct option *longopts,
+ int *longind, int long_only)
{
int print_errors = opterr;
if (optstring[0] == ':')
if (longopts != NULL
&& (argv[optind][1] == '-'
- || (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1])))))
+ || (long_only
+ && (argv[optind][2] || !strchr (optstring, argv[optind][1])))))
{
char *nameend;
const struct option *p;
option, then it's an error.
Otherwise interpret it as a short option. */
if (!long_only || argv[optind][1] == '-'
- || my_index (optstring, *nextchar) == NULL)
+ || strchr (optstring, *nextchar) == NULL)
{
if (print_errors)
{
{
char c = *nextchar++;
- char *temp = my_index (optstring, c);
+ char *temp = strchr (optstring, c);
/* Increment `optind' when we start to process its last character. */
if (*nextchar == '\0')
}
int
-getopt (argc, argv, optstring)
- int argc;
- char *const *argv;
- const char *optstring;
+getopt (int argc, char *const *argv, const char *optstring)
{
return _getopt_internal (argc, argv, optstring,
(const struct option *) 0,
the above definition of `getopt'. */
int
-main (argc, argv)
- int argc;
- char **argv;
+main (int argc, char **argv)
{
int c;
int digit_optind = 0;