kc3-lang/libressl/include/compat/unistd.h

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• Hash : c4bb6b79
  Author :
  Date : 2023-09-12T18:33:46
  

  MSVC: Enable building ocspcheck.
  
  - Add `STDIN_FILENO` to compat unistd header.
  - Use quotes to include compat getopt header in the compat unistd.
  - Export additional symbols needed by ocspcheck (optarg, optind,
    ftruncate)
  

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• include/compat/unistd.h

• /*
   * Public domain
   * unistd.h compatibility shim
   */
  
  #ifndef LIBCRYPTOCOMPAT_UNISTD_H
  #define LIBCRYPTOCOMPAT_UNISTD_H
  
  #ifndef _MSC_VER
  
  #include_next <unistd.h>
  
  #ifdef __MINGW32__
  int ftruncate(int fd, off_t length);
  uid_t getuid(void);
  ssize_t pread(int d, void *buf, size_t nbytes, off_t offset);
  ssize_t pwrite(int d, const void *buf, size_t nbytes, off_t offset);
  #endif
  
  #else
  
  #include <stdlib.h>
  #include <io.h>
  #include <process.h>
  
  #define STDIN_FILENO    0
  #define STDOUT_FILENO   1
  #define STDERR_FILENO   2
  
  #define R_OK    4
  #define W_OK    2
  #define X_OK    0
  #define F_OK    0
  
  #define SEEK_SET        0
  #define SEEK_CUR        1
  #define SEEK_END        2
  
  #define access _access
  
  #ifdef _MSC_VER
  #include <windows.h>
  static inline unsigned int sleep(unsigned int seconds)
  {
         Sleep(seconds * 1000);
         return seconds;
  }
  #endif
  
  int ftruncate(int fd, off_t length);
  uid_t getuid(void);
  ssize_t pread(int d, void *buf, size_t nbytes, off_t offset);
  ssize_t pwrite(int d, const void *buf, size_t nbytes, off_t offset);
  
  #endif
  
  #ifndef HAVE_GETENTROPY
  int getentropy(void *buf, size_t buflen);
  #else
  /*
   * Solaris 11.3 adds getentropy(2), but defines the function in sys/random.h
   */
  #if defined(__sun)
  #include <sys/random.h>
  #endif
  #endif
  
  #ifndef HAVE_GETOPT
  #include "getopt.h"
  #endif
  
  #ifndef HAVE_GETPAGESIZE
  int getpagesize(void);
  #endif
  
  #define pledge(request, paths) 0
  #define unveil(path, permissions) 0
  
  #ifndef HAVE_PIPE2
  int pipe2(int fildes[2], int flags);
  #endif
  
  #endif
  

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