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-rw-r--r--include/getopt.h129
1 files changed, 100 insertions, 29 deletions
diff --git a/include/getopt.h b/include/getopt.h
index 725d9cbd4..a1b8dd665 100644
--- a/include/getopt.h
+++ b/include/getopt.h
@@ -1,27 +1,38 @@
/* Declarations for getopt.
- Copyright (C) 1989, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
+ Copyright (C) 1989-1994, 1996-1999, 2001 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
-This file is part of the GNU C Library.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
#ifndef _GETOPT_H
-#define _GETOPT_H 1
-#include <features.h>
+#ifndef __need_getopt
+# define _GETOPT_H 1
+#endif
+
+/* If __GNU_LIBRARY__ is not already defined, either we are being used
+ standalone, or this is the first header included in the source file.
+ If we are being used with glibc, we need to include <features.h>, but
+ that does not exist if we are standalone. So: if __GNU_LIBRARY__ is
+ not defined, include <ctype.h>, which will pull in <features.h> for us
+ if it's from glibc. (Why ctype.h? It's guaranteed to exist and it
+ doesn't flood the namespace with stuff the way some other headers do.) */
+#if !defined __GNU_LIBRARY__
+# include <ctype.h>
+#endif
#ifdef __cplusplus
extern "C" {
@@ -41,7 +52,7 @@ extern char *optarg;
On entry to `getopt', zero means this is the first call; initialize.
- When `getopt' returns EOF, this is the index of the first of the
+ When `getopt' returns -1, this is the index of the first of the
non-option elements that the caller should itself scan.
Otherwise, `optind' communicates from one call to the next
@@ -58,6 +69,7 @@ extern int opterr;
extern int optopt;
+#ifndef __need_getopt
/* Describe the long-named options requested by the application.
The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
of `struct option' terminated by an element containing a name which is
@@ -81,7 +93,11 @@ extern int optopt;
struct option
{
+# if (defined __STDC__ && __STDC__) || defined __cplusplus
const char *name;
+# else
+ char *name;
+# endif
/* has_arg can't be an enum because some compilers complain about
type mismatches in all the code that assumes it is an int. */
int has_arg;
@@ -91,19 +107,74 @@ struct option
/* Names for the values of the `has_arg' field of `struct option'. */
-#define no_argument 0
-#define required_argument 1
-#define optional_argument 2
-
-extern int getopt __P((int argc, char *const *argv, const char *shortopts));
-extern int getopt_long __P((int argc, char *const *argv, const char *shortopts,
- const struct option *longopts, int *longind));
-extern int getopt_long_only __P((int argc, char *const *argv,
- const char *shortopts,
- const struct option *longopts, int *longind));
+# define no_argument 0
+# define required_argument 1
+# define optional_argument 2
+#endif /* need getopt */
+
+
+/* Get definitions and prototypes for functions to process the
+ arguments in ARGV (ARGC of them, minus the program name) for
+ options given in OPTS.
+
+ Return the option character from OPTS just read. Return -1 when
+ there are no more options. For unrecognized options, or options
+ missing arguments, `optopt' is set to the option letter, and '?' is
+ returned.
+
+ The OPTS string is a list of characters which are recognized option
+ letters, optionally followed by colons, specifying that that letter
+ takes an argument, to be placed in `optarg'.
+
+ If a letter in OPTS is followed by two colons, its argument is
+ optional. This behavior is specific to the GNU `getopt'.
+
+ The argument `--' causes premature termination of argument
+ scanning, explicitly telling `getopt' that there are no more
+ options.
+
+ If OPTS begins with `--', then non-option arguments are treated as
+ arguments to the option '\0'. This behavior is specific to the GNU
+ `getopt'. */
+
+#if (defined __STDC__ && __STDC__) || defined __cplusplus
+# ifdef __GNU_LIBRARY__
+/* Many other libraries have conflicting prototypes for getopt, with
+ differences in the consts, in stdlib.h. To avoid compilation
+ errors, only prototype getopt for the GNU C library. */
+extern int getopt (int __argc, char *const *__argv, const char *__shortopts);
+# else /* not __GNU_LIBRARY__ */
+extern int getopt ();
+# endif /* __GNU_LIBRARY__ */
+
+# ifndef __need_getopt
+extern int getopt_long (int __argc, char *const *__argv, const char *__shortopts,
+ const struct option *__longopts, int *__longind);
+extern int getopt_long_only (int __argc, char *const *__argv,
+ const char *__shortopts,
+ const struct option *__longopts, int *__longind);
+
+/* Internal only. Users should not call this directly. */
+extern int _getopt_internal (int __argc, char *const *__argv,
+ const char *__shortopts,
+ const struct option *__longopts, int *__longind,
+ int __long_only);
+# endif
+#else /* not __STDC__ */
+extern int getopt ();
+# ifndef __need_getopt
+extern int getopt_long ();
+extern int getopt_long_only ();
+
+extern int _getopt_internal ();
+# endif
+#endif /* __STDC__ */
#ifdef __cplusplus
}
#endif
-#endif /* _GETOPT_H */
+/* Make sure we later can get all the definitions and declarations. */
+#undef __need_getopt
+
+#endif /* getopt.h */