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Diffstat (limited to 'Build/source/texk/kpathsea/getopt.h')
-rw-r--r-- | Build/source/texk/kpathsea/getopt.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/Build/source/texk/kpathsea/getopt.h b/Build/source/texk/kpathsea/getopt.h new file mode 100644 index 00000000000..8acf05fb4fb --- /dev/null +++ b/Build/source/texk/kpathsea/getopt.h @@ -0,0 +1,161 @@ +/* Declarations for getopt. + + Copyright 2008, 2010-2012 Karl Berry. + Copyright 1989,90,91,92,93,94,96,97,2000,05 Free Software Foundation, Inc. + + The original version of this file was part of the GNU C Library. + Its master source is NOT part of the C library, however. + The master source lives in libc. + This version has been modified for use with libkpathsea. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this library; if not, see <http://www.gnu.org/licenses/>. */ + +#ifndef _GETOPT_H + +#ifndef __need_getopt +#define _GETOPT_H 1 +#endif + +#if defined (WIN32) && !defined (__MINGW32__) && !defined (NO_KPSE_DLL) +#define KPSE_DLL 1 +#endif /* WIN32 && !__MINGW32__ && !NO_KPSE_DLL */ + +#if !defined (KPSEDLL) +#if defined (KPSE_DLL) && (defined (WIN32) || defined (__CYGWIN__)) +#ifdef MAKE_KPSE_DLL +#define KPSEDLL __declspec(dllexport) +#else /* ! MAKE_KPSE_DLL */ +#define KPSEDLL __declspec(dllimport) +#endif +#else /* ! (KPSE_DLL && (WIN32 || __CYGWIN__)) */ +#define KPSEDLL +#endif /* ! (KPSE_DLL && (WIN32 || __CYGWIN__)) */ +#endif /* ! KPSEDLL */ + +#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 KPSEDLL 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 KPSEDLL int optind; + +/* Callers store zero here to inhibit the error message `getopt' prints + for unrecognized options. */ + +extern KPSEDLL int opterr; + +/* Set to an option character which was unrecognized. */ + +extern KPSEDLL int optopt; + +#ifndef __need_getopt +/* 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 +{ + const char *name; + /* 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 +#endif /* need getopt */ + +#if defined(__GNU_LIBRARY__) || defined (WIN32) || defined (__CYGWIN__) +/* 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. And not when + compiling with C++; g++ 4.7.0 chokes on conflicting exception + specifications. */ +#if !defined (__cplusplus) +extern KPSEDLL int getopt (int argc, char *const *argv, const char *shortopts); +#endif +#if defined (__MINGW32__) || defined (__CYGWIN__) +#define __GETOPT_H__ /* Avoid that <unistd.h> redeclares the getopt API. */ +#endif +#elif !defined (__cplusplus) +extern KPSEDLL int getopt (); +#endif + +#ifndef __need_getopt +extern KPSEDLL int getopt_long (int argc, char *const *argv, const char *shortopts, + const struct option *longopts, int *longind); +extern KPSEDLL int getopt_long_only (int argc, char *const *argv, + const char *shortopts, + const struct option *longopts, int *longind); + +#if defined (MAKE_KPSE_DLL) || defined (NO_KPSE_DLL) /* libkpathsea internal only */ + +/* 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); + +#endif /* MAKE_KPSE_DLL || NO_KPSE_DLL */ +#endif /* need getopt */ + +#ifdef __cplusplus +} +#endif + +/* Make sure we later can get all the definitions and declarations. */ +#undef __need_getopt + +#endif /* _GETOPT_H */ |