arm平台编译大量报错

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2023-07-10 15:56

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原值

软件包在aarch64环境编译大量报错参数类型不匹配，部分日志如下：

error[E0308]: mismatched types

   --> rust_project/src/http2.rs:159:36

    |

159 |             (*http).push_headers = 0 as *mut *mut i8;

    |             --------------------   ^^^^^^^^^^^^^^^^^ expected `*mut *mut u8`, found `*mut *mut i8`

    |             |

    |             expected due to the type of this binding

    |

    = note: expected raw pointer `*mut *mut u8`

               found raw pointer `*mut *mut i8`

error[E0308]: mismatched types

   --> rust_project/src/http2.rs:181:22

    |

181 |         (*c).inbuf = 0 as *mut i8;

    |         ----------   ^^^^^^^^^^^^ expected `*mut u8`, found `*mut i8`

    |         |

    |         expected due to the type of this binding

    |

    = note: expected raw pointer `*mut u8`

               found raw pointer `*mut i8`

初步分析是因为rust的libc库对c_char的定义在x86和arm平台不一致，arm平台定义为u8，x86平台则定义为i8，导致aarch64环境编译存在大量的不匹配错误

新值

软件包在aarch64环境编译大量报错参数类型不匹配，部分日志如下（类似的错误日志很多）：

error[E0308]: mismatched types

   --> rust_project/src/http2.rs:159:36

    |

159 |             (*http).push_headers = 0 as *mut *mut i8;

    |             --------------------   ^^^^^^^^^^^^^^^^^ expected `*mut *mut u8`, found `*mut *mut i8`

    |             |

    |             expected due to the type of this binding

    |

    = note: expected raw pointer `*mut *mut u8`

               found raw pointer `*mut *mut i8`

error[E0308]: mismatched types

   --> rust_project/src/http2.rs:181:22

    |

181 |         (*c).inbuf = 0 as *mut i8;

    |         ----------   ^^^^^^^^^^^^ expected `*mut u8`, found `*mut i8`

    |         |

    |         expected due to the type of this binding

    |

    = note: expected raw pointer `*mut u8`

               found raw pointer `*mut i8`

初步分析是因为rust的libc库对c_char的定义在x86和arm平台不一致，arm平台定义为u8，x86平台则定义为i8，导致aarch64环境编译存在大量的不匹配错误

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