lib/libcrypto/compat/include/unistd.h

   1 /*
   2  * Public domain
   3  * unistd.h compatibility shim
   4  */
   5
   6 #ifndef LIBCRYPTOCOMPAT_UNISTD_H
   7 #define LIBCRYPTOCOMPAT_UNISTD_H
   8
   9 #ifndef _MSC_VER
  10
  11 #include_next <unistd.h>
  12
  13 #ifdef __MINGW32__
  14 int ftruncate(int fd, off_t length);
  15 uid_t getuid(void);
  16 ssize_t pread(int d, void *buf, size_t nbytes, off_t offset);
  17 ssize_t pwrite(int d, const void *buf, size_t nbytes, off_t offset);
  18 #endif
  19
  20 #else
  21
  22 #include <stdlib.h>
  23 #include <io.h>
  24 #include <process.h>
  25
  26 #define STDOUT_FILENO   1
  27 #define STDERR_FILENO   2
  28
  29 #define R_OK    4
  30 #define W_OK    2
  31 #define X_OK    0
  32 #define F_OK    0
  33
  34 #define SEEK_SET        0
  35 #define SEEK_CUR        1
  36 #define SEEK_END        2
  37
  38 #define access _access
  39
  40 unsigned int sleep(unsigned int seconds);
  41
  42 int ftruncate(int fd, off_t length);
  43 uid_t getuid(void);
  44 ssize_t pread(int d, void *buf, size_t nbytes, off_t offset);
  45 ssize_t pwrite(int d, const void *buf, size_t nbytes, off_t offset);
  46
  47 #endif
  48
  49 #ifndef HAVE_GETENTROPY
  50 int getentropy(void *buf, size_t buflen);
  51 #else
  52 /*
  53  * Solaris 11.3 adds getentropy(2), but defines the function in sys/random.h
  54  */
  55 #if defined(__sun)
  56 #include <sys/random.h>
  57 #endif
  58 #endif
  59
  60 #ifndef HAVE_GETPAGESIZE
  61 int getpagesize(void);
  62 #endif
  63
  64 #define pledge(request, paths) 0
  65 #define unveil(path, permissions) 0
  66
  67 #ifndef HAVE_PIPE2
  68 int pipe2(int fildes[2], int flags);
  69 #endif
  70
  71 #endif