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Diffstat (limited to '')
| -rw-r--r-- | externals/getopt/getopt.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/externals/getopt/getopt.h b/externals/getopt/getopt.h new file mode 100644 index 000000000..87e2ca396 --- /dev/null +++ b/externals/getopt/getopt.h @@ -0,0 +1,136 @@ +/* Getopt for Microsoft C +This code is a modification of the Free Software Foundation, Inc. +Getopt library for parsing command line argument the purpose was +to provide a Microsoft Visual C friendly derivative. This code +provides functionality for both Unicode and Multibyte builds. + +Date: 02/03/2011 - Ludvik Jerabek - Initial Release +Version: 1.0 +Comment: Supports getopt, getopt_long, and getopt_long_only +and POSIXLY_CORRECT environment flag +License: LGPL + +Revisions: + +02/03/2011 - Ludvik Jerabek - Initial Release +02/20/2011 - Ludvik Jerabek - Fixed compiler warnings at Level 4 +07/05/2011 - Ludvik Jerabek - Added no_argument, required_argument, optional_argument defs +08/03/2011 - Ludvik Jerabek - Fixed non-argument runtime bug which caused runtime exception +08/09/2011 - Ludvik Jerabek - Added code to export functions for DLL and LIB +02/15/2012 - Ludvik Jerabek - Fixed _GETOPT_THROW definition missing in implementation file +08/01/2012 - Ludvik Jerabek - Created separate functions for char and wchar_t characters so single dll can do both unicode and ansi +10/15/2012 - Ludvik Jerabek - Modified to match latest GNU features +06/19/2015 - Ludvik Jerabek - Fixed maximum option limitation caused by option_a (255) and option_w (65535) structure val variable + +**DISCLAIMER** +THIS MATERIAL IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, +EITHER EXPRESS OR IMPLIED, INCLUDING, BUT Not LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR +PURPOSE, OR NON-INFRINGEMENT. SOME JURISDICTIONS DO NOT ALLOW THE +EXCLUSION OF IMPLIED WARRANTIES, SO THE ABOVE EXCLUSION MAY NOT +APPLY TO YOU. IN NO EVENT WILL I BE LIABLE TO ANY PARTY FOR ANY +DIRECT, INDIRECT, SPECIAL OR OTHER CONSEQUENTIAL DAMAGES FOR ANY +USE OF THIS MATERIAL INCLUDING, WITHOUT LIMITATION, ANY LOST +PROFITS, BUSINESS INTERRUPTION, LOSS OF PROGRAMS OR OTHER DATA ON +YOUR INFORMATION HANDLING SYSTEM OR OTHERWISE, EVEN If WE ARE +EXPRESSLY ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. +*/ +#ifndef __GETOPT_H_ +#define __GETOPT_H_ + +#ifdef _GETOPT_API +#undef _GETOPT_API +#endif + +#if defined(EXPORTS_GETOPT) && defined(STATIC_GETOPT) +#error "The preprocessor definitions of EXPORTS_GETOPT and STATIC_GETOPT can only be used individually" +#elif defined(STATIC_GETOPT) +#pragma message("Warning static builds of getopt violate the Lesser GNU Public License") +#define _GETOPT_API +#elif defined(EXPORTS_GETOPT) +#pragma message("Exporting getopt library") +#define _GETOPT_API __declspec(dllexport) +#else +#pragma message("Importing getopt library") +#define _GETOPT_API __declspec(dllimport) +#endif + +// Change behavior for C\C++ +#ifdef __cplusplus +#define _BEGIN_EXTERN_C extern "C" { +#define _END_EXTERN_C } +#define _GETOPT_THROW throw() +#else +#define _BEGIN_EXTERN_C +#define _END_EXTERN_C +#define _GETOPT_THROW +#endif + +// Standard GNU options +#define null_argument 0 +#define no_argument 0 +#define required_argument 1 +#define optional_argument 2 + +// Shorter Options +#define ARG_NULL 0 +#define ARG_NONE 0 +#define ARG_REQ 1 +#define ARG_OPT 2 + +#include <string.h> +#include <wchar.h> + +_BEGIN_EXTERN_C + +extern _GETOPT_API int optind; +extern _GETOPT_API int opterr; +extern _GETOPT_API int optopt; + +// Ansi +struct option_a +{ + const char* name; + int has_arg; + int *flag; + int val; +}; +extern _GETOPT_API char *optarg_a; +extern _GETOPT_API int getopt_a(int argc, char *const *argv, const char *optstring) _GETOPT_THROW; +extern _GETOPT_API int getopt_long_a(int argc, char *const *argv, const char *options, const struct option_a *long_options, int *opt_index) _GETOPT_THROW; +extern _GETOPT_API int getopt_long_only_a(int argc, char *const *argv, const char *options, const struct option_a *long_options, int *opt_index) _GETOPT_THROW; + +// Unicode +struct option_w +{ + const wchar_t* name; + int has_arg; + int *flag; + int val; +}; +extern _GETOPT_API wchar_t *optarg_w; +extern _GETOPT_API int getopt_w(int argc, wchar_t *const *argv, const wchar_t *optstring) _GETOPT_THROW; +extern _GETOPT_API int getopt_long_w(int argc, wchar_t *const *argv, const wchar_t *options, const struct option_w *long_options, int *opt_index) _GETOPT_THROW; +extern _GETOPT_API int getopt_long_only_w(int argc, wchar_t *const *argv, const wchar_t *options, const struct option_w *long_options, int *opt_index) _GETOPT_THROW; + +_END_EXTERN_C + +#undef _BEGIN_EXTERN_C +#undef _END_EXTERN_C +#undef _GETOPT_THROW +#undef _GETOPT_API + +#ifdef _UNICODE +#define getopt getopt_w +#define getopt_long getopt_long_w +#define getopt_long_only getopt_long_only_w +#define option option_w +#define optarg optarg_w +#else +#define getopt getopt_a +#define getopt_long getopt_long_a +#define getopt_long_only getopt_long_only_a +#define option option_a +#define optarg optarg_a +#endif +#endif // __GETOPT_H_ |