include/brotli/port.h

0001 /* Copyright 2016 Google Inc. All Rights Reserved.
0002
0003    Distributed under MIT license.
0004    See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
0005 */
0006
0007 /* Macros for compiler / platform specific API declarations. */
0008
0009 #ifndef BROTLI_COMMON_PORT_H_
0010 #define BROTLI_COMMON_PORT_H_
0011
0012 /* The following macros were borrowed from https://github.com/nemequ/hedley
0013  * with permission of original author - Evan Nemerson <evan@nemerson.com> */
0014
0015 /* >>> >>> >>> hedley macros */
0016
0017 #define BROTLI_MAKE_VERSION(major, minor, revision) \
0018   (((major) * 1000000) + ((minor) * 1000) + (revision))
0019
0020 #if defined(__GNUC__) && defined(__GNUC_PATCHLEVEL__)
0021 #define BROTLI_GNUC_VERSION \
0022   BROTLI_MAKE_VERSION(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__)
0023 #elif defined(__GNUC__)
0024 #define BROTLI_GNUC_VERSION BROTLI_MAKE_VERSION(__GNUC__, __GNUC_MINOR__, 0)
0025 #endif
0026
0027 #if defined(BROTLI_GNUC_VERSION)
0028 #define BROTLI_GNUC_VERSION_CHECK(major, minor, patch) \
0029   (BROTLI_GNUC_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch))
0030 #else
0031 #define BROTLI_GNUC_VERSION_CHECK(major, minor, patch) (0)
0032 #endif
0033
0034 #if defined(_MSC_FULL_VER) && (_MSC_FULL_VER >= 140000000)
0035 #define BROTLI_MSVC_VERSION                                \
0036   BROTLI_MAKE_VERSION((_MSC_FULL_VER / 10000000),          \
0037                       (_MSC_FULL_VER % 10000000) / 100000, \
0038                       (_MSC_FULL_VER % 100000) / 100)
0039 #elif defined(_MSC_FULL_VER)
0040 #define BROTLI_MSVC_VERSION                              \
0041   BROTLI_MAKE_VERSION((_MSC_FULL_VER / 1000000),         \
0042                       (_MSC_FULL_VER % 1000000) / 10000, \
0043                       (_MSC_FULL_VER % 10000) / 10)
0044 #elif defined(_MSC_VER)
0045 #define BROTLI_MSVC_VERSION \
0046   BROTLI_MAKE_VERSION(_MSC_VER / 100, _MSC_VER % 100, 0)
0047 #endif
0048
0049 #if !defined(_MSC_VER)
0050 #define BROTLI_MSVC_VERSION_CHECK(major, minor, patch) (0)
0051 #elif defined(_MSC_VER) && (_MSC_VER >= 1400)
0052 #define BROTLI_MSVC_VERSION_CHECK(major, minor, patch) \
0053   (_MSC_FULL_VER >= ((major * 10000000) + (minor * 100000) + (patch)))
0054 #elif defined(_MSC_VER) && (_MSC_VER >= 1200)
0055 #define BROTLI_MSVC_VERSION_CHECK(major, minor, patch) \
0056   (_MSC_FULL_VER >= ((major * 1000000) + (minor * 10000) + (patch)))
0057 #else
0058 #define BROTLI_MSVC_VERSION_CHECK(major, minor, patch) \
0059   (_MSC_VER >= ((major * 100) + (minor)))
0060 #endif
0061
0062 #if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE)
0063 #define BROTLI_INTEL_VERSION                   \
0064   BROTLI_MAKE_VERSION(__INTEL_COMPILER / 100,  \
0065                       __INTEL_COMPILER % 100,  \
0066                       __INTEL_COMPILER_UPDATE)
0067 #elif defined(__INTEL_COMPILER)
0068 #define BROTLI_INTEL_VERSION \
0069   BROTLI_MAKE_VERSION(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, 0)
0070 #endif
0071
0072 #if defined(BROTLI_INTEL_VERSION)
0073 #define BROTLI_INTEL_VERSION_CHECK(major, minor, patch) \
0074   (BROTLI_INTEL_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch))
0075 #else
0076 #define BROTLI_INTEL_VERSION_CHECK(major, minor, patch) (0)
0077 #endif
0078
0079 #if defined(__PGI) && \
0080     defined(__PGIC__) && defined(__PGIC_MINOR__) && defined(__PGIC_PATCHLEVEL__)
0081 #define BROTLI_PGI_VERSION \
0082   BROTLI_MAKE_VERSION(__PGIC__, __PGIC_MINOR__, __PGIC_PATCHLEVEL__)
0083 #endif
0084
0085 #if defined(BROTLI_PGI_VERSION)
0086 #define BROTLI_PGI_VERSION_CHECK(major, minor, patch) \
0087   (BROTLI_PGI_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch))
0088 #else
0089 #define BROTLI_PGI_VERSION_CHECK(major, minor, patch) (0)
0090 #endif
0091
0092 #if defined(__SUNPRO_C) && (__SUNPRO_C > 0x1000)
0093 #define BROTLI_SUNPRO_VERSION                                       \
0094   BROTLI_MAKE_VERSION(                                              \
0095     (((__SUNPRO_C >> 16) & 0xf) * 10) + ((__SUNPRO_C >> 12) & 0xf), \
0096     (((__SUNPRO_C >> 8) & 0xf) * 10) + ((__SUNPRO_C >> 4) & 0xf),   \
0097     (__SUNPRO_C & 0xf) * 10)
0098 #elif defined(__SUNPRO_C)
0099 #define BROTLI_SUNPRO_VERSION                  \
0100   BROTLI_MAKE_VERSION((__SUNPRO_C >> 8) & 0xf, \
0101                       (__SUNPRO_C >> 4) & 0xf, \
0102                       (__SUNPRO_C) & 0xf)
0103 #elif defined(__SUNPRO_CC) && (__SUNPRO_CC > 0x1000)
0104 #define BROTLI_SUNPRO_VERSION                                         \
0105   BROTLI_MAKE_VERSION(                                                \
0106     (((__SUNPRO_CC >> 16) & 0xf) * 10) + ((__SUNPRO_CC >> 12) & 0xf), \
0107     (((__SUNPRO_CC >> 8) & 0xf) * 10) + ((__SUNPRO_CC >> 4) & 0xf),   \
0108     (__SUNPRO_CC & 0xf) * 10)
0109 #elif defined(__SUNPRO_CC)
0110 #define BROTLI_SUNPRO_VERSION                   \
0111   BROTLI_MAKE_VERSION((__SUNPRO_CC >> 8) & 0xf, \
0112                       (__SUNPRO_CC >> 4) & 0xf, \
0113                       (__SUNPRO_CC) & 0xf)
0114 #endif
0115
0116 #if defined(BROTLI_SUNPRO_VERSION)
0117 #define BROTLI_SUNPRO_VERSION_CHECK(major, minor, patch) \
0118   (BROTLI_SUNPRO_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch))
0119 #else
0120 #define BROTLI_SUNPRO_VERSION_CHECK(major, minor, patch) (0)
0121 #endif
0122
0123 #if defined(__CC_ARM) && defined(__ARMCOMPILER_VERSION)
0124 #define BROTLI_ARM_VERSION                                       \
0125   BROTLI_MAKE_VERSION((__ARMCOMPILER_VERSION / 1000000),         \
0126                       (__ARMCOMPILER_VERSION % 1000000) / 10000, \
0127                       (__ARMCOMPILER_VERSION % 10000) / 100)
0128 #elif defined(__CC_ARM) && defined(__ARMCC_VERSION)
0129 #define BROTLI_ARM_VERSION                                 \
0130   BROTLI_MAKE_VERSION((__ARMCC_VERSION / 1000000),         \
0131                       (__ARMCC_VERSION % 1000000) / 10000, \
0132                       (__ARMCC_VERSION % 10000) / 100)
0133 #endif
0134
0135 #if defined(BROTLI_ARM_VERSION)
0136 #define BROTLI_ARM_VERSION_CHECK(major, minor, patch) \
0137   (BROTLI_ARM_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch))
0138 #else
0139 #define BROTLI_ARM_VERSION_CHECK(major, minor, patch) (0)
0140 #endif
0141
0142 #if defined(__ibmxl__)
0143 #define BROTLI_IBM_VERSION                    \
0144   BROTLI_MAKE_VERSION(__ibmxl_version__,      \
0145                       __ibmxl_release__,      \
0146                       __ibmxl_modification__)
0147 #elif defined(__xlC__) && defined(__xlC_ver__)
0148 #define BROTLI_IBM_VERSION \
0149   BROTLI_MAKE_VERSION(__xlC__ >> 8, __xlC__ & 0xff, (__xlC_ver__ >> 8) & 0xff)
0150 #elif defined(__xlC__)
0151 #define BROTLI_IBM_VERSION BROTLI_MAKE_VERSION(__xlC__ >> 8, __xlC__ & 0xff, 0)
0152 #endif
0153
0154 #if defined(BROTLI_IBM_VERSION)
0155 #define BROTLI_IBM_VERSION_CHECK(major, minor, patch) \
0156   (BROTLI_IBM_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch))
0157 #else
0158 #define BROTLI_IBM_VERSION_CHECK(major, minor, patch) (0)
0159 #endif
0160
0161 #if defined(__TI_COMPILER_VERSION__)
0162 #define BROTLI_TI_VERSION                                         \
0163   BROTLI_MAKE_VERSION((__TI_COMPILER_VERSION__ / 1000000),        \
0164                       (__TI_COMPILER_VERSION__ % 1000000) / 1000, \
0165                       (__TI_COMPILER_VERSION__ % 1000))
0166 #endif
0167
0168 #if defined(BROTLI_TI_VERSION)
0169 #define BROTLI_TI_VERSION_CHECK(major, minor, patch) \
0170   (BROTLI_TI_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch))
0171 #else
0172 #define BROTLI_TI_VERSION_CHECK(major, minor, patch) (0)
0173 #endif
0174
0175 #if defined(__IAR_SYSTEMS_ICC__)
0176 #if __VER__ > 1000
0177 #define BROTLI_IAR_VERSION                     \
0178   BROTLI_MAKE_VERSION((__VER__ / 1000000),     \
0179                       (__VER__ / 1000) % 1000, \
0180                       (__VER__ % 1000))
0181 #else
0182 #define BROTLI_IAR_VERSION BROTLI_MAKE_VERSION(VER / 100, __VER__ % 100, 0)
0183 #endif
0184 #endif
0185
0186 #if defined(BROTLI_IAR_VERSION)
0187 #define BROTLI_IAR_VERSION_CHECK(major, minor, patch) \
0188   (BROTLI_IAR_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch))
0189 #else
0190 #define BROTLI_IAR_VERSION_CHECK(major, minor, patch) (0)
0191 #endif
0192
0193 #if defined(__TINYC__)
0194 #define BROTLI_TINYC_VERSION \
0195   BROTLI_MAKE_VERSION(__TINYC__ / 1000, (__TINYC__ / 100) % 10, __TINYC__ % 100)
0196 #endif
0197
0198 #if defined(BROTLI_TINYC_VERSION)
0199 #define BROTLI_TINYC_VERSION_CHECK(major, minor, patch) \
0200   (BROTLI_TINYC_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch))
0201 #else
0202 #define BROTLI_TINYC_VERSION_CHECK(major, minor, patch) (0)
0203 #endif
0204
0205 #if defined(__has_attribute)
0206 #define BROTLI_GNUC_HAS_ATTRIBUTE(attribute, major, minor, patch) \
0207   __has_attribute(attribute)
0208 #else
0209 #define BROTLI_GNUC_HAS_ATTRIBUTE(attribute, major, minor, patch) \
0210   BROTLI_GNUC_VERSION_CHECK(major, minor, patch)
0211 #endif
0212
0213 #if defined(__has_builtin)
0214 #define BROTLI_GNUC_HAS_BUILTIN(builtin, major, minor, patch) \
0215   __has_builtin(builtin)
0216 #else
0217 #define BROTLI_GNUC_HAS_BUILTIN(builtin, major, minor, patch) \
0218   BROTLI_GNUC_VERSION_CHECK(major, minor, patch)
0219 #endif
0220
0221 #if defined(__has_feature)
0222 #define BROTLI_HAS_FEATURE(feature) __has_feature(feature)
0223 #else
0224 #define BROTLI_HAS_FEATURE(feature) (0)
0225 #endif
0226
0227 #if defined(_WIN32) || defined(__CYGWIN__)
0228 #define BROTLI_PUBLIC
0229 #elif BROTLI_GNUC_VERSION_CHECK(3, 3, 0) ||                         \
0230     BROTLI_TI_VERSION_CHECK(8, 0, 0) ||                             \
0231     BROTLI_INTEL_VERSION_CHECK(16, 0, 0) ||                         \
0232     BROTLI_ARM_VERSION_CHECK(4, 1, 0) ||                            \
0233     BROTLI_IBM_VERSION_CHECK(13, 1, 0) ||                           \
0234     BROTLI_SUNPRO_VERSION_CHECK(5, 11, 0) ||                        \
0235     (BROTLI_TI_VERSION_CHECK(7, 3, 0) &&                            \
0236      defined(__TI_GNU_ATTRIBUTE_SUPPORT__) && defined(__TI_EABI__))
0237 #define BROTLI_PUBLIC __attribute__ ((visibility ("default")))
0238 #else
0239 #define BROTLI_PUBLIC
0240 #endif
0241
0242 /* BROTLI_INTERNAL could be defined to override visibility, e.g. for tests. */
0243 #if !defined(BROTLI_INTERNAL)
0244 #if defined(_WIN32) || defined(__CYGWIN__)
0245 #define BROTLI_INTERNAL
0246 #elif BROTLI_GNUC_VERSION_CHECK(3, 3, 0) ||                         \
0247     BROTLI_TI_VERSION_CHECK(8, 0, 0) ||                             \
0248     BROTLI_INTEL_VERSION_CHECK(16, 0, 0) ||                         \
0249     BROTLI_ARM_VERSION_CHECK(4, 1, 0) ||                            \
0250     BROTLI_IBM_VERSION_CHECK(13, 1, 0) ||                           \
0251     BROTLI_SUNPRO_VERSION_CHECK(5, 11, 0) ||                        \
0252     (BROTLI_TI_VERSION_CHECK(7, 3, 0) &&                            \
0253      defined(__TI_GNU_ATTRIBUTE_SUPPORT__) && defined(__TI_EABI__))
0254 #define BROTLI_INTERNAL __attribute__ ((visibility ("hidden")))
0255 #else
0256 #define BROTLI_INTERNAL
0257 #endif
0258 #endif
0259
0260 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) &&   \
0261     !defined(__STDC_NO_VLA__) && !defined(__cplusplus) &&           \
0262     !defined(__PGI) && !defined(__PGIC__) && !defined(__TINYC__) && \
0263     !defined(__clang__)
0264 #define BROTLI_ARRAY_PARAM(name) (name)
0265 #else
0266 #define BROTLI_ARRAY_PARAM(name)
0267 #endif
0268
0269 /* <<< <<< <<< end of hedley macros. */
0270
0271 #if defined(BROTLI_SHARED_COMPILATION)
0272 #if defined(_WIN32)
0273 #if defined(BROTLICOMMON_SHARED_COMPILATION)
0274 #define BROTLI_COMMON_API __declspec(dllexport)
0275 #else
0276 #define BROTLI_COMMON_API __declspec(dllimport)
0277 #endif  /* BROTLICOMMON_SHARED_COMPILATION */
0278 #if defined(BROTLIDEC_SHARED_COMPILATION)
0279 #define BROTLI_DEC_API __declspec(dllexport)
0280 #else
0281 #define BROTLI_DEC_API __declspec(dllimport)
0282 #endif  /* BROTLIDEC_SHARED_COMPILATION */
0283 #if defined(BROTLIENC_SHARED_COMPILATION)
0284 #define BROTLI_ENC_API __declspec(dllexport)
0285 #else
0286 #define BROTLI_ENC_API __declspec(dllimport)
0287 #endif  /* BROTLIENC_SHARED_COMPILATION */
0288 #else  /* _WIN32 */
0289 #define BROTLI_COMMON_API BROTLI_PUBLIC
0290 #define BROTLI_DEC_API BROTLI_PUBLIC
0291 #define BROTLI_ENC_API BROTLI_PUBLIC
0292 #endif  /* _WIN32 */
0293 #else  /* BROTLI_SHARED_COMPILATION */
0294 #define BROTLI_COMMON_API
0295 #define BROTLI_DEC_API
0296 #define BROTLI_ENC_API
0297 #endif
0298
0299 #if defined(BROTLI_BUILD_ENC_EXTRA_API)
0300 #define BROTLI_ENC_EXTRA_API BROTLI_ENC_API
0301 #else
0302 #define BROTLI_ENC_EXTRA_API BROTLI_INTERNAL
0303 #endif
0304
0305 #endif  /* BROTLI_COMMON_PORT_H_ */