diff options
Diffstat (limited to 'getopt.h')
| -rw-r--r-- | getopt.h | 38 |
1 files changed, 24 insertions, 14 deletions
@@ -1,21 +1,20 @@ /* Declarations for getopt. - Copyright (C) 1989,90,91,92,93,94,96,97,98 Free Software Foundation, Inc. + Copyright (C) 1989-1994, 1996-1999, 2001 Free Software Foundation, Inc. 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 Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. + 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 GNU C Library is distributed in the hope that it will be useful, + 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. + 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 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. */ + 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 @@ -23,6 +22,17 @@ # 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" { #endif @@ -82,7 +92,7 @@ extern int optopt; struct option { -# if defined __STDC__ && __STDC__ +# if (defined __STDC__ && __STDC__) || defined __cplusplus const char *name; # else char *name; @@ -126,7 +136,7 @@ struct option arguments to the option '\0'. This behavior is specific to the GNU `getopt'. */ -#if defined __STDC__ && __STDC__ +#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 |