jimiocompat.h

   1 #ifndef JIMIOCOMPAT_H
   2 #define JIMIOCOMPAT_H
   3
   4 /*
   5  * Cross-platform compatibility functions and types for I/O.
   6  * Currently used by jim-aio.c and jim-exec.c
   7  */
   8
   9 #include <stdio.h>
  10 #include <errno.h>
  11 #include <sys/stat.h>
  12
  13 #include "jimautoconf.h"
  14 #include <jim.h>
  15 #include <jim-win32compat.h>
  16
  17 /**
  18  * Set an error result based on errno and the given message.
  19  */
  20 void Jim_SetResultErrno(Jim_Interp *interp, const char *msg);
  21
  22 /**
  23  * Opens the file for writing (and appending if append is true).
  24  * Returns the file descriptor, or -1 on failure.
  25  */
  26 int Jim_OpenForWrite(const char *filename, int append);
  27
  28 /**
  29  * Opens the file for reading.
  30  * Returns the file descriptor, or -1 on failure.
  31  */
  32 int Jim_OpenForRead(const char *filename);
  33
  34 #if defined(__MINGW32__)
  35     #ifndef STRICT
  36     #define STRICT
  37     #endif
  38     #define WIN32_LEAN_AND_MEAN
  39     #include <windows.h>
  40     #include <fcntl.h>
  41     #include <io.h>
  42     #include <process.h>
  43
  44     typedef HANDLE pidtype;
  45     #define JIM_BAD_PID INVALID_HANDLE_VALUE
  46     /* Note that this isn't a separate value on Windows since we don't have os.fork */
  47     #define JIM_NO_PID INVALID_HANDLE_VALUE
  48
  49     /* These seem to accord with the conventions used by msys/mingw32 */
  50     #define WIFEXITED(STATUS) (((STATUS) & 0xff00) == 0)
  51     #define WEXITSTATUS(STATUS) ((STATUS) & 0x00ff)
  52     #define WIFSIGNALED(STATUS) (((STATUS) & 0xff00) != 0)
  53     #define WTERMSIG(STATUS) (((STATUS) >> 8) & 0xff)
  54     #define WNOHANG 1
  55
  56     /**
  57      * Unix-compatible errno
  58      */
  59     int Jim_Errno(void);
  60     pidtype waitpid(pidtype pid, int *status, int nohang);
  61
  62     #define HAVE_PIPE
  63     #define pipe(P) _pipe((P), 0, O_NOINHERIT)
  64
  65     typedef struct _stat64 jim_stat_t;
  66     #define Jim_Stat __stat64
  67
  68 #else
  69     typedef struct stat jim_stat_t;
  70     #define Jim_Stat stat
  71
  72     #if defined(HAVE_UNISTD_H)
  73         #include <unistd.h>
  74         #include <fcntl.h>
  75         #include <sys/wait.h>
  76
  77         typedef int pidtype;
  78         #define Jim_Errno() errno
  79         #define JIM_BAD_PID -1
  80         #define JIM_NO_PID 0
  81
  82         #ifndef HAVE_EXECVPE
  83             #define execvpe(ARG0, ARGV, ENV) execvp(ARG0, ARGV)
  84         #endif
  85     #endif
  86 #endif
  87
  88 #endif