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Diffstat (limited to 'getopt/getopt.h')
| -rw-r--r-- | getopt/getopt.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/getopt/getopt.h b/getopt/getopt.h new file mode 100644 index 0000000..5ed4a46 --- /dev/null +++ b/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 /*Argument Null*/ + #define no_argument 0 /*Argument Switch Only*/ + #define required_argument 1 /*Argument Required*/ + #define optional_argument 2 /*Argument Optional*/ + + // Shorter Options + #define ARG_NULL 0 /*Argument Null*/ + #define ARG_NONE 0 /*Argument Switch Only*/ + #define ARG_REQ 1 /*Argument Required*/ + #define ARG_OPT 2 /*Argument Optional*/ + + #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_ |