/* Hierarchial argument parsing, layered over getopt.
- Copyright (C) 1995-1999,2003-2006 Free Software Foundation, Inc.
+ Copyright (C) 1995-1999,2003-2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Miles Bader <miles@gnu.ai.mit.edu>.
- 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
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _ARGP_H
#define _ARGP_H
#ifndef __attribute__
/* This feature is available in gcc versions 2.5 and later. */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
# define __attribute__(Spec) /* empty */
# endif
/* The __-protected variants of `format' and `printf' attributes
#endif
/* GCC 2.95 and later have "__restrict"; C99 compilers have
- "restrict", and "configure" may have defined "restrict". */
+ "restrict", and "configure" may have defined "restrict".
+ Other compilers use __restrict, __restrict__, and _Restrict, and
+ 'configure' might #define 'restrict' to those words. */
#ifndef __restrict
# if ! (2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__))
-# if defined restrict || 199901L <= __STDC_VERSION__
+# if 199901L <= __STDC_VERSION__
# define __restrict restrict
# else
# define __restrict
returned. This function may also call exit unless the ARGP_NO_HELP flag
is set. INPUT is a pointer to a value to be passed in to the parser. */
extern error_t argp_parse (const struct argp *__restrict __argp,
- int __argc, char **__restrict __argv,
+ int /*argc*/, char **__restrict /*argv*/,
unsigned __flags, int *__restrict __arg_index,
void *__restrict __input);
extern error_t __argp_parse (const struct argp *__restrict __argp,
- int __argc, char **__restrict __argv,
+ int /*argc*/, char **__restrict /*argv*/,
unsigned __flags, int *__restrict __arg_index,
void *__restrict __input);
\f
/* Global variables. */
+/* GNULIB makes sure both program_invocation_name and
+ program_invocation_short_name are available */
+#ifdef GNULIB_PROGRAM_INVOCATION_NAME
+extern char *program_invocation_name;
+# undef HAVE_DECL_PROGRAM_INVOCATION_NAME
+# define HAVE_DECL_PROGRAM_INVOCATION_NAME 1
+#endif
+
+#ifdef GNULIB_PROGRAM_INVOCATION_SHORT_NAME
+extern char *program_invocation_short_name;
+# undef HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME
+# define HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME 1
+#endif
+
/* If defined or set by the user program to a non-zero value, then a default
option --version is added (unless the ARGP_NO_HELP flag is used), which
will print this string followed by a newline and exit (unless the
FILE *__restrict __stream,
unsigned int __flags);
+#if _LIBC || !defined __USE_EXTERN_INLINES
/* Possibly output the standard usage message for ARGP to stderr and exit. */
extern void argp_usage (const struct argp_state *__state);
extern void __argp_usage (const struct argp_state *__state);
+#endif
/* If appropriate, print the printf string FMT and following args, preceded
by the program name and `:', to stderr, and followed by a `Try ... --help'
const char *__restrict __fmt, ...)
__attribute__ ((__format__ (__printf__, 4, 5)));
+#if _LIBC || !defined __USE_EXTERN_INLINES
/* Returns true if the option OPT is a valid short option. */
extern int _option_is_short (const struct argp_option *__opt) __THROW;
extern int __option_is_short (const struct argp_option *__opt) __THROW;
options array. */
extern int _option_is_end (const struct argp_option *__opt) __THROW;
extern int __option_is_end (const struct argp_option *__opt) __THROW;
+#endif
/* Return the input field for ARGP in the parser corresponding to STATE; used
by the help routines. */
# endif
# ifndef ARGP_EI
-# define ARGP_EI extern __inline__
+# ifdef __GNUC__
+ /* GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99
+ inline semantics, unless -fgnu89-inline is used. It defines a macro
+ __GNUC_STDC_INLINE__ to indicate this situation or a macro
+ __GNUC_GNU_INLINE__ to indicate the opposite situation.
+ GCC 4.2 with -std=c99 or -std=gnu99 implements the GNU C inline
+ semantics but warns, unless -fgnu89-inline is used:
+ warning: C99 inline functions are not supported; using GNU89
+ warning: to disable this warning use -fgnu89-inline or the gnu_inline function attribute
+ It defines a macro __GNUC_GNU_INLINE__ to indicate this situation. */
+# if defined __GNUC_STDC_INLINE__
+# define ARGP_EI __inline__
+# elif defined __GNUC_GNU_INLINE__
+# define ARGP_EI extern __inline__ __attribute__ ((__gnu_inline__))
+# else
+# define ARGP_EI extern __inline__
+# endif
+# else
+ /* With other compilers, assume the ISO C99 meaning of 'inline', if
+ the compiler supports 'inline' at all. */
+# define ARGP_EI inline
+# endif
# endif
ARGP_EI void
-__NTH (__argp_usage (const struct argp_state *__state))
+__argp_usage (const struct argp_state *__state)
{
__argp_state_help (__state, stderr, ARGP_HELP_STD_USAGE);
}
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