diff options
Diffstat (limited to 'gnu/usr.bin/awk/getopt1.c')
| -rw-r--r-- | gnu/usr.bin/awk/getopt1.c | 81 |
1 files changed, 54 insertions, 27 deletions
diff --git a/gnu/usr.bin/awk/getopt1.c b/gnu/usr.bin/awk/getopt1.c index e2127cd58d42..7739b51215f9 100644 --- a/gnu/usr.bin/awk/getopt1.c +++ b/gnu/usr.bin/awk/getopt1.c @@ -1,40 +1,64 @@ -/* Getopt for GNU. - Copyright (C) 1987, 88, 89, 90, 91, 1992 Free Software Foundation, Inc. - -This file is part of the libiberty library. -Libiberty 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. - -Libiberty 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 libiberty; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ +/* getopt_long and getopt_long_only entry points for GNU getopt. + Copyright (C) 1987, 88, 89, 90, 91, 92, 1993 + Free Software Foundation, Inc. + + 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 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ -#ifdef LIBC -/* For when compiled as part of the GNU C library. */ -#include <ansidecl.h> +#ifdef HAVE_CONFIG_H +#if defined (emacs) || defined (CONFIG_BROKETS) +/* We use <config.h> instead of "config.h" so that a compilation + using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h + (which it would do because it found this file in $srcdir). */ +#include <config.h> +#else +#include "config.h" +#endif #endif #include "getopt.h" #ifndef __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 + actually compiling the library itself. This code is part of the GNU C + Library, but also included in many other GNU distributions. Compiling + and linking in this code is a waste when using the GNU C library + (especially if it is a shared library). Rather than having every GNU + program understand `configure --with-gnu-libc' and omit the object files, + it is simpler to just do this in the source for each such file. */ + +#if defined (_LIBC) || !defined (__GNU_LIBRARY__) -#if defined(STDC_HEADERS) || defined(__GNU_LIBRARY__) || defined (LIBC) + +/* This needs to come after some library #include + to get __GNU_LIBRARY__ defined. */ +#if defined(__GNU_LIBRARY__) || defined(OS2) || defined(MSDOS) || defined(atarist) #include <stdlib.h> -#else /* STDC_HEADERS or __GNU_LIBRARY__ */ +#else char *getenv (); -#endif /* STDC_HEADERS or __GNU_LIBRARY__ */ +#endif -#if !defined (NULL) +#ifndef NULL #define NULL 0 #endif @@ -52,9 +76,9 @@ getopt_long (argc, argv, options, long_options, opt_index) /* Like getopt_long, but '-' as well as '--' can indicate a long option. If an option that starts with '-' (not '--') doesn't match a long option, but does match a short option, it is parsed as a short option - instead. */ + instead. */ -int +int getopt_long_only (argc, argv, options, long_options, opt_index) int argc; char *const *argv; @@ -64,6 +88,9 @@ getopt_long_only (argc, argv, options, long_options, opt_index) { return _getopt_internal (argc, argv, options, long_options, opt_index, 1); } + + +#endif /* _LIBC or not __GNU_LIBRARY__. */ #ifdef TEST |