diff options
Diffstat (limited to 'gnu/usr.bin/grep/getopt.h')
| -rw-r--r-- | gnu/usr.bin/grep/getopt.h | 120 |
1 files changed, 77 insertions, 43 deletions
diff --git a/gnu/usr.bin/grep/getopt.h b/gnu/usr.bin/grep/getopt.h index 4209871..39f4a16 100644 --- a/gnu/usr.bin/grep/getopt.h +++ b/gnu/usr.bin/grep/getopt.h @@ -1,28 +1,27 @@ /* Declarations for getopt. - Copyright (C) 1989,90,91,92,93,94,96,97, 98 Free Software Foundation, Inc. - - This file is part of the GNU C Library. Its master source is NOT part of - the C library, however. The master source lives in /gd/gnu/lib. - - 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, + Copyright (C) 1989,90,91,92,93,94,96,97,98 Free Software Foundation, Inc. + NOTE: The canonical source of this file is maintained with the GNU C Library. + Bugs can be reported to bug-glibc@gnu.org. + 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. + + 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 - 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., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -/* $FreeBSD$ */ + 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. */ #ifndef _GETOPT_H -#define _GETOPT_H 1 + +#ifndef __need_getopt +# define _GETOPT_H 1 +#endif #ifdef __cplusplus extern "C" { @@ -59,6 +58,7 @@ 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 @@ -82,11 +82,11 @@ extern int optopt; struct option { -#if defined (__STDC__) && __STDC__ +# if defined __STDC__ && __STDC__ const char *name; -#else +# else char *name; -#endif +# 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; @@ -96,40 +96,74 @@ 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 +# define no_argument 0 +# define required_argument 1 +# define optional_argument 2 +#endif /* need getopt */ + -#if defined (__STDC__) && __STDC__ -#ifdef __GNU_LIBRARY__ +/* 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 PROTOTYPES +# 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 (int __argc, char *const *__argv, const char *__shortopts); +# else /* not __GNU_LIBRARY__ */ extern int getopt (); -#endif /* __GNU_LIBRARY__ */ -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); +# 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); -#else /* not __STDC__ */ +extern int _getopt_internal (int __argc, char *const *__argv, + const char *__shortopts, + const struct option *__longopts, int *__longind, + int __long_only); +# endif +#else /* not ((defined __STDC__ && __STDC__) || defined PROTOTYPES) */ extern int getopt (); +# ifndef __need_getopt extern int getopt_long (); extern int getopt_long_only (); extern int _getopt_internal (); -#endif /* __STDC__ */ +# endif +#endif /* (defined __STDC__ && __STDC__) || defined PROTOTYPES */ #ifdef __cplusplus } #endif -#endif /* _GETOPT_H */ +/* Make sure we later can get all the definitions and declarations. */ +#undef __need_getopt + +#endif /* getopt.h */ |
