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author | obrien <obrien@FreeBSD.org> | 2002-12-04 15:15:07 +0000 |
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committer | obrien <obrien@FreeBSD.org> | 2002-12-04 15:15:07 +0000 |
commit | 91f47f293a334517686a4f9330706abaa13430e5 (patch) | |
tree | 2d28fafa58d5258a639ec5d19c9c05bc40a6ccda /contrib/gcc/include/getopt.h | |
parent | 3863f249f2b86c3c411f8cf5a17558af9c08e742 (diff) | |
parent | ef3bb1318428b8cfb1c8287f61b9b1f23f9bf0b5 (diff) | |
download | FreeBSD-src-91f47f293a334517686a4f9330706abaa13430e5.zip FreeBSD-src-91f47f293a334517686a4f9330706abaa13430e5.tar.gz |
This commit was generated by cvs2svn to compensate for changes in r107588,
which included commits to RCS files with non-trunk default branches.
Diffstat (limited to 'contrib/gcc/include/getopt.h')
-rw-r--r-- | contrib/gcc/include/getopt.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/contrib/gcc/include/getopt.h b/contrib/gcc/include/getopt.h new file mode 100644 index 0000000..04346dd --- /dev/null +++ b/contrib/gcc/include/getopt.h @@ -0,0 +1,141 @@ +/* Declarations for getopt. + Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997, 1998, 2000 + 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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + USA. */ + +#ifndef _GETOPT_H +#define _GETOPT_H 1 + +#ifdef __cplusplus +extern "C" { +#endif + +/* For communication from `getopt' to the caller. + When `getopt' finds an option that takes an argument, + the argument value is returned here. + Also, when `ordering' is RETURN_IN_ORDER, + each non-option ARGV-element is returned here. */ + +extern char *optarg; + +/* Index in ARGV of the next element to be scanned. + This is used for communication to and from the caller + and for communication between successive calls to `getopt'. + + On entry to `getopt', zero means this is the first call; initialize. + + 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 + how much of ARGV has been scanned so far. */ + +extern int optind; + +/* Callers store zero here to inhibit the error message `getopt' prints + for unrecognized options. */ + +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 + zero. + + The field `has_arg' is: + no_argument (or 0) if the option does not take an argument, + required_argument (or 1) if the option requires an argument, + optional_argument (or 2) if the option takes an optional argument. + + If the field `flag' is not NULL, it points to a variable that is set + to the value given in the field `val' when the option is found, but + left unchanged if the option is not found. + + To have a long-named option do something other than set an `int' to + a compiled-in constant, such as set a value from `optarg', set the + option's `flag' field to zero and its `val' field to a nonzero + value (the equivalent single-letter option character, if there is + one). For long options that have a zero `flag' field, `getopt' + returns the contents of the `val' field. */ + +struct option +{ +#if defined (__STDC__) && __STDC__ + const char *name; +#else + char *name; +#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; + int *flag; + int val; +}; + +/* 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 defined (__GNU_LIBRARY__) || (defined (HAVE_DECL_GETOPT) && !HAVE_DECL_GETOPT) +/* 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__ */ +# if !defined (HAVE_DECL_GETOPT) && !defined (__cplusplus) +extern int getopt (); +# endif +#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); + +/* 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 (); +extern int getopt_long (); +extern int getopt_long_only (); + +extern int _getopt_internal (); +#endif /* __STDC__ */ + +#ifdef __cplusplus +} +#endif + +#endif /* getopt.h */ |