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Diffstat (limited to 'include/share/getopt.h')
| -rw-r--r-- | include/share/getopt.h | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/include/share/getopt.h b/include/share/getopt.h new file mode 100644 index 0000000..66aced0 --- /dev/null +++ b/include/share/getopt.h @@ -0,0 +1,184 @@ +/* + NOTE: + I cannot get the vanilla getopt code to work (i.e. compile only what + is needed and not duplicate symbols found in the standard library) + on all the platforms that FLAC supports. In particular the gating + of code with the ELIDE_CODE #define is not accurate enough on systems + that are POSIX but not glibc. If someone has a patch that works on + GNU/Linux, Darwin, AND Solaris please submit it on the project page: + https://sourceforge.net/p/flac/patches/ + + In the meantime I have munged the global symbols and removed gates + around code, while at the same time trying to touch the original as + little as possible. +*/ +/* Declarations for getopt. + Copyright (C) 1989,90,91,92,93,94,96,97,98 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. + + The GNU C Library 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 the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ + +#ifndef SHARE__GETOPT_H +#define SHARE__GETOPT_H + +/*[JEC] was:#ifndef __need_getopt*/ +/*[JEC] was:# define _GETOPT_H 1*/ +/*[JEC] was:#endif*/ + +#ifdef __cplusplus +extern "C" { +#endif + +/* For communication from `share__getopt' to the caller. + When `share__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 *share__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 `share__getopt'. + + On entry to `share__getopt', zero means this is the first call; initialize. + + When `share__getopt' returns -1, this is the index of the first of the + non-option elements that the caller should itself scan. + + Otherwise, `share__optind' communicates from one call to the next + how much of ARGV has been scanned so far. */ + +extern int share__optind; + +/* Callers store zero here to inhibit the error message `share__getopt' prints + for unrecognized options. */ + +extern int share__opterr; + +/* Set to an option character which was unrecognized. */ + +extern int share__optopt; + +/*[JEC] was:#ifndef __need_getopt */ +/* Describe the long-named options requested by the application. + The LONG_OPTIONS argument to share__getopt_long or share__getopt_long_only is a vector + of `struct share__option' terminated by an element containing a name which is + zero. + + The field `has_arg' is: + share__no_argument (or 0) if the option does not take an argument, + share__required_argument (or 1) if the option requires an argument, + share__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 `share__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, `share__getopt' + returns the contents of the `val' field. */ + +struct share__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 share__option'. */ + +# define share__no_argument 0 +# define share__required_argument 1 +# define share__optional_argument 2 +/*[JEC] was:#endif*/ /* need getopt */ + + +/* Get definitions and prototypes for functions to process the + arguments in ARGV (ARGC of them, minus the program name) for + options given in OPTS. + + Return the option character from OPTS just read. Return -1 when + there are no more options. For unrecognized options, or options + missing arguments, `share__optopt' is set to the option letter, and '?' is + returned. + + The OPTS string is a list of characters which are recognized option + letters, optionally followed by colons, specifying that that letter + takes an argument, to be placed in `share__optarg'. + + If a letter in OPTS is followed by two colons, its argument is + optional. This behavior is specific to the GNU `share__getopt'. + + The argument `--' causes premature termination of argument + scanning, explicitly telling `share__getopt' that there are no more + options. + + If OPTS begins with `--', then non-option arguments are treated as + arguments to the option '\0'. This behavior is specific to the GNU + `share__getopt'. */ + +/*[JEC] was:#if defined __STDC__ && __STDC__*/ +/*[JEC] was:# ifdef __GNU_LIBRARY__*/ +/* 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 share__getopt (int argc, char *const *argv, const char *shortopts); +/*[JEC] was:# else*/ /* not __GNU_LIBRARY__ */ +/*[JEC] was:extern int getopt ();*/ +/*[JEC] was:# endif*/ /* __GNU_LIBRARY__ */ + +/*[JEC] was:# ifndef __need_getopt*/ +extern int share__getopt_long (int argc, char *const *argv, const char *shortopts, + const struct share__option *longopts, int *longind); +extern int share__getopt_long_only (int argc, char *const *argv, + const char *shortopts, + const struct share__option *longopts, int *longind); + +/* Internal only. Users should not call this directly. */ +extern int share___getopt_internal (int argc, char *const *argv, + const char *shortopts, + const struct share__option *longopts, int *longind, + int long_only); +/*[JEC] was:# endif*/ +/*[JEC] was:#else*/ /* not __STDC__ */ +/*[JEC] was:extern int getopt ();*/ +/*[JEC] was:# ifndef __need_getopt*/ +/*[JEC] was:extern int getopt_long ();*/ +/*[JEC] was:extern int getopt_long_only ();*/ + +/*[JEC] was:extern int _getopt_internal ();*/ +/*[JEC] was:# endif*/ +/*[JEC] was:#endif*/ /* __STDC__ */ + +#ifdef __cplusplus +} +#endif + +/* Make sure we later can get all the definitions and declarations. */ +/*[JEC] was:#undef __need_getopt*/ + +#endif /* getopt.h */ |