diff options
Diffstat (limited to 'libshouldbeinlibc/options.h')
-rw-r--r-- | libshouldbeinlibc/options.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/libshouldbeinlibc/options.h b/libshouldbeinlibc/options.h deleted file mode 100644 index 46651add..00000000 --- a/libshouldbeinlibc/options.h +++ /dev/null @@ -1,79 +0,0 @@ -/* Hierarchial options parsing, layered over getopt - - Copyright (C) 1995 Free Software Foundation, Inc. - - Written by Miles Bader <miles@gnu.ai.mit.edu> - - This file is part of the GNU Hurd. - - The GNU Hurd 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 Hurd 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#ifndef __OPTIONS_H__ -#define __OPTIONS_H__ - -#include <errno.h> -#include <getopt.h> - -/* An options structure contains a set of getopt options declarations, a - function to deal with getting one, and an optional pointer to another - options structure. When actually parsing options, getopt is called with - the union of all the options structures chained together through their - PARENT pointers, with conflicts being resolved in favor of the first - occurance in the chain. */ -struct options -{ - /* The getopt-style short options string for this group of options. */ - char *short_options; - /* An array of getopt-style long-options structures. */ - struct option *long_options; - - /* What to do with an option from this structure. KEY is either the short - option letter, or the final member of the long-option entry, as returned - by getopt, and ARG is the value of OPTARG. If a non-zero value is - returned, then parsing is stopped immediately, and that value is - returned from options_parse(). */ - error_t (*parser)(int key, char *arg); - - /* The next member in this options chain. */ - struct options *parent; -}; - -/* Flags for options_parse: */ - -/* Ignore the first element of ARGV. Useful for program command lines. */ -#define OPTIONS_SKIP_ARG0 0x1 - -/* Print error messages for unknown options to stderr; if this flag is set, - OPTIONS_SKIP_ARG0 is ignored, as ARGV[0] is used as the program name in - the error messages. */ -#define OPTIONS_PRINT_ERRS 0x2 - -/* Parse non-option args as well, similarly to getopt, by calling the parse - function with a key of 0, and the actual arg as the value. Since it's - impossible to know which parse function wants to handle it, each one is - called in turn, until one returns 0 or an error other than EINVAL. */ -#define OPTIONS_PARSE_ARGS 0x4 - - -/* Parse the options strings in ARGC & ARGV according to the options in - OPTIONS. FLAGS is one of the OPTIONS_ flags above. If ARG_INDEX is - non-NULL, the index in ARGV of the first unparsed option is returned in - it. If an unknown option is present, EINVAL is returned; if some parser - routine returned a non-zero value, it is returned; otherwise 0 is - returned. */ -error_t options_parse (struct options *options, int argc, char **argv, - unsigned flags, int *arg_index); - -#endif /* __OPTIONS_H__ */ |