X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=include%2Fgetopt.h;h=a99a2290159a9d60cf28c4627cee8cbe28a62a97;hb=3f234ef5cc8460cfd1bfef95cc8be526001f73dd;hp=7dfb6e6bb83a2146c192363562f2a0df4bbe5eec;hpb=0a9266896a8b50d88a009d0efee3dca42d4b21fa;p=deliverable%2Fbinutils-gdb.git diff --git a/include/getopt.h b/include/getopt.h index 7dfb6e6bb8..a99a229015 100644 --- a/include/getopt.h +++ b/include/getopt.h @@ -1,19 +1,24 @@ /* Declarations for getopt. - Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. + Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997, 1998, 2000, + 2002 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 Library General Public License as published - by the Free Software Foundation; either version 2, or (at your option) - any later version. + 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 Library General Public - License along with this program; 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 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 @@ -36,7 +41,7 @@ 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 @@ -49,6 +54,10 @@ extern int optind; extern int opterr; +/* Set to an option character which was unrecognized. */ + +extern int optopt; + /* 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 @@ -72,7 +81,7 @@ extern int opterr; struct option { -#if __STDC__ +#if defined (__STDC__) && __STDC__ const char *name; #else char *name; @@ -84,23 +93,31 @@ struct option int val; }; -/* Names for the values of the `has_arg' field of `struct option'. - We wouldn't mind doing this: - enum _argtype - { - no_argument, - required_argument, - optional_argument - }; - ...if we could also change the "int has_arg" above. For now, use - defines. */ - -#define no_argument 0 -#define required_argument 1 -#define optional_argument 2 - -#if __STDC__ +/* Names for the values of the `has_arg' field of `struct option'. */ + +#define no_argument 0 +#define required_argument 1 +#define optional_argument 2 + +#if defined (__STDC__) && __STDC__ +/* HAVE_DECL_* is a three-state macro: undefined, 0 or 1. If it is + undefined, we haven't run the autoconf check so provide the + declaration without arguments. If it is 0, we checked and failed + to find the declaration so provide a fully prototyped one. If it + is 1, we found it so don't provide any declaration at all. */ +#if !HAVE_DECL_GETOPT +#if defined (__GNU_LIBRARY__) || defined (HAVE_DECL_GETOPT) +/* Many other libraries have conflicting prototypes for getopt, with + differences in the consts, in unistd.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 +#ifndef __cplusplus +extern int getopt (); +#endif /* __cplusplus */ +#endif +#endif /* !HAVE_DECL_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, @@ -118,10 +135,10 @@ extern int getopt_long (); extern int getopt_long_only (); extern int _getopt_internal (); -#endif /* not __STDC__ */ +#endif /* __STDC__ */ #ifdef __cplusplus } #endif -#endif /* _GETOPT_H */ +#endif /* getopt.h */