Nicolas Jager | 95c526b | 2016-10-20 09:47:03 -0400 | [diff] [blame] | 1 | /* Getopt for Microsoft C
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| 2 | This code is a modification of the Free Software Foundation, Inc.
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| 3 | Getopt library for parsing command line argument the purpose was
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| 4 | to provide a Microsoft Visual C friendly derivative. This code
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| 5 | provides functionality for both Unicode and Multibyte builds.
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| 6 |
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| 7 | Date: 02/03/2011 - Ludvik Jerabek - Initial Release
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| 8 | Version: 1.0
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| 9 | Comment: Supports getopt, getopt_long, and getopt_long_only
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| 10 | and POSIXLY_CORRECT environment flag
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| 11 | License: LGPL
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| 12 |
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| 13 | Revisions:
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| 14 |
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| 15 | 02/03/2011 - Ludvik Jerabek - Initial Release
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| 16 | 02/20/2011 - Ludvik Jerabek - Fixed compiler warnings at Level 4
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| 17 | 07/05/2011 - Ludvik Jerabek - Added no_argument, required_argument, optional_argument defs
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| 18 | 08/03/2011 - Ludvik Jerabek - Fixed non-argument runtime bug which caused runtime exception
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| 19 | 08/09/2011 - Ludvik Jerabek - Added code to export functions for DLL and LIB
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| 20 | 02/15/2012 - Ludvik Jerabek - Fixed _GETOPT_THROW definition missing in implementation file
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| 21 |
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| 22 | **DISCLAIMER**
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| 23 | THIS MATERIAL IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
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| 24 | EITHER EXPRESS OR IMPLIED, INCLUDING, BUT Not LIMITED TO, THE
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| 25 | IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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| 26 | PURPOSE, OR NON-INFRINGEMENT. SOME JURISDICTIONS DO NOT ALLOW THE
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| 27 | EXCLUSION OF IMPLIED WARRANTIES, SO THE ABOVE EXCLUSION MAY NOT
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| 28 | APPLY TO YOU. IN NO EVENT WILL I BE LIABLE TO ANY PARTY FOR ANY
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| 29 | DIRECT, INDIRECT, SPECIAL OR OTHER CONSEQUENTIAL DAMAGES FOR ANY
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| 30 | USE OF THIS MATERIAL INCLUDING, WITHOUT LIMITATION, ANY LOST
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| 31 | PROFITS, BUSINESS INTERRUPTION, LOSS OF PROGRAMS OR OTHER DATA ON
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| 32 | YOUR INFORMATION HANDLING SYSTEM OR OTHERWISE, EVEN If WE ARE
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| 33 | EXPRESSLY ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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| 34 | */
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| 35 | #ifndef __GETOPT_H_
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| 36 | #define __GETOPT_H_
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| 37 |
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| 38 | #ifdef _GETOPT_API
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| 39 | #undef _GETOPT_API
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| 40 | #endif
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| 41 |
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| 42 | #if defined(EXPORTS_GETOPT) && defined(STATIC_GETOPT)
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| 43 | #error "The preprocessor definitions of EXPORTS_GETOPT and STATIC_GETOPT can only be used individually"
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| 44 | #elif defined(STATIC_GETOPT)
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| 45 | #pragma message("Warning static builds of getopt violate the Lesser GNU Public License")
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| 46 | #define _GETOPT_API
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| 47 | #elif defined(EXPORTS_GETOPT)
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| 48 | #pragma message("Exporting getopt library")
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| 49 | #define _GETOPT_API __declspec(dllexport)
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| 50 | #else
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| 51 | #pragma message("Importing getopt library")
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| 52 | #define _GETOPT_API __declspec(dllimport)
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| 53 | #endif
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| 54 |
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| 55 |
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| 56 | #include <tchar.h>
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| 57 |
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| 58 | // Standard GNU options
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| 59 | #define null_argument 0 /*Argument Null*/
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| 60 | #define no_argument 0 /*Argument Switch Only*/
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| 61 | #define required_argument 1 /*Argument Required*/
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| 62 | #define optional_argument 2 /*Argument Optional*/
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| 63 |
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| 64 | // Shorter Versions of options
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| 65 | #define ARG_NULL 0 /*Argument Null*/
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| 66 | #define ARG_NONE 0 /*Argument Switch Only*/
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| 67 | #define ARG_REQ 1 /*Argument Required*/
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| 68 | #define ARG_OPT 2 /*Argument Optional*/
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| 69 |
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| 70 | // Change behavior for C\C++
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| 71 | #ifdef __cplusplus
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| 72 | #define _BEGIN_EXTERN_C extern "C" {
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| 73 | #define _END_EXTERN_C }
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| 74 | #define _GETOPT_THROW throw()
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| 75 | #else
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| 76 | #define _BEGIN_EXTERN_C
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| 77 | #define _END_EXTERN_C
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| 78 | #define _GETOPT_THROW
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| 79 | #endif
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| 80 |
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| 81 | _BEGIN_EXTERN_C
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| 82 |
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| 83 | extern _GETOPT_API TCHAR *optarg;
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| 84 | extern _GETOPT_API int optind;
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| 85 | extern _GETOPT_API int opterr;
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| 86 | extern _GETOPT_API int optopt;
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| 87 |
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| 88 | struct option
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| 89 | {
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| 90 | const TCHAR* name;
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| 91 | int has_arg;
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| 92 | int *flag;
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| 93 | TCHAR val;
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| 94 | };
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| 95 |
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| 96 | extern _GETOPT_API int getopt(int argc, TCHAR *const *argv, const TCHAR *optstring) _GETOPT_THROW;
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| 97 | extern _GETOPT_API int getopt_long(int ___argc, TCHAR *const *___argv, const TCHAR *__shortopts, const struct option *__longopts, int *__longind) _GETOPT_THROW;
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| 98 | extern _GETOPT_API int getopt_long_only(int ___argc, TCHAR *const *___argv, const TCHAR *__shortopts, const struct option *__longopts, int *__longind) _GETOPT_THROW;
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| 99 | _END_EXTERN_C
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| 100 |
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| 101 | // Undefine so the macros are not included
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| 102 | #undef _BEGIN_EXTERN_C
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| 103 | #undef _END_EXTERN_C
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| 104 | #undef _GETOPT_THROW
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| 105 | #undef _GETOPT_API
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| 106 |
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| 107 | #endif // __GETOPT_H_
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