kc3-lang/brotli/c/common/static_init.h

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• Hash : 310f2119
  Author :
  Date : 2025-09-01T04:45:39
  

  pull common static init header
  
  PiperOrigin-RevId: 801763621
  

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• c/common/static_init.h

• /* Copyright 2025 Google Inc. All Rights Reserved.
  
     Distributed under MIT license.
     See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
  */
  
  /*
     Central point for static initialization.
  
     In case of "lazy" mode `BrotliXxxLazyStaticInit` is not provided by the
     library. Embedder is responsible for providing it. This function should call
     `BrotliXxxLazyStaticInitInner` on the first invocation. This function should
     not return until execution of `BrotliXxxLazyStaticInitInner` is finished.
     In C or before C++11 it is possible to call `BrotliXxxLazyStaticInitInner`
     on start-up path and then `BrotliEncoderLazyStaticInit` is could be no-op;
     another option is to use available thread execution controls to meet the
     requirements. For possible C++11 implementation see static_init_lazy.cc.
  */
  
  #ifndef THIRD_PARTY_BROTLI_COMMON_STATIC_INIT_H_
  #define THIRD_PARTY_BROTLI_COMMON_STATIC_INIT_H_
  
  #if defined(__cplusplus) || defined(c_plusplus)
  extern "C" {
  #endif
  
  /* Static data is "initialized" in compile time. */
  #define BROTLI_STATIC_INIT_NONE 0
  /* Static data is initialized before "main". */
  #define BROTLI_STATIC_INIT_EARLY 1
  /* Static data is initialized when first encoder is created. */
  #define BROTLI_STATIC_INIT_LAZY 2
  
  #define BROTLI_STATIC_INIT_DEFAULT BROTLI_STATIC_INIT_NONE
  
  #if !defined(BROTLI_STATIC_INIT)
  #define BROTLI_STATIC_INIT BROTLI_STATIC_INIT_DEFAULT
  #endif
  
  #if (BROTLI_STATIC_INIT != BROTLI_STATIC_INIT_NONE) && \
      (BROTLI_STATIC_INIT != BROTLI_STATIC_INIT_EARLY) && \
      (BROTLI_STATIC_INIT != BROTLI_STATIC_INIT_LAZY)
  #error Invalid value for BROTLI_STATIC_INIT
  #endif
  
  #if (BROTLI_STATIC_INIT == BROTLI_STATIC_INIT_EARLY)
  #if defined(BROTLI_EXTERNAL_DICTIONARY_DATA)
  #error BROTLI_STATIC_INIT_EARLY will fail with BROTLI_EXTERNAL_DICTIONARY_DATA
  #endif
  #endif  /* BROTLI_STATIC_INIT */
  
  #if defined(__cplusplus) || defined(c_plusplus)
  }  /* extern "C" */
  #endif
  
  #endif  // THIRD_PARTY_BROTLI_COMMON_STATIC_INIT_H_
  

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