mingw-w64-headers/crt/io.h

/**
 * This file has no copyright assigned and is placed in the Public Domain.
 * This file is part of the mingw-w64 runtime package.
 * No warranty is given; refer to the file DISCLAIMER.PD within this package.
 */
#ifndef _IO_H_
#define _IO_H_

#include <crtdefs.h>
#include <string.h>
#include <corecrt_wio.h>

_CRT_BEGIN_C_HEADER

#if defined(_DEBUG) && defined(_CRTDBG_MAP_ALLOC)
#pragma push_macro("_getcwd")
#undef _getcwd
#endif
_CRTIMP char* __cdecl _getcwd (char*, int);
#if defined(_DEBUG) && defined(_CRTDBG_MAP_ALLOC)
#pragma pop_macro("_getcwd")
#endif

  struct _finddata32_t {
    unsigned attrib;
    __time32_t time_create;
    __time32_t time_access;
    __time32_t time_write;
    _fsize_t size;
    char name[260];
  };

  struct _finddata32i64_t {
    unsigned attrib;
    __time32_t time_create;
    __time32_t time_access;
    __time32_t time_write;
    __MINGW_EXTENSION __int64 size;
    char name[260];
  };

  struct _finddata64i32_t {
    unsigned attrib;
    __time64_t time_create;
    __time64_t time_access;
    __time64_t time_write;
    _fsize_t size;
    char name[260];
  };

  struct __finddata64_t {
    unsigned attrib;
    __time64_t time_create;
    __time64_t time_access;
    __time64_t time_write;
    __MINGW_EXTENSION __int64 size;
    char name[260];
  };

/*
 * To prevent ABI issues, the mingw-w64 runtime should not call these
 * functions. Instead it should call the fixed-size variants.
 */
#ifndef _CRTBLD
#ifdef _USE_32BIT_TIME_T
#define _finddata_t _finddata32_t
#define _finddatai64_t _finddata32i64_t

#define _findfirst _findfirst32
#define _findnext _findnext32
#define _findfirsti64 _findfirst32i64
#define _findnexti64 _findnext32i64
#else
#define _finddata_t _finddata64i32_t
#define _finddatai64_t __finddata64_t

#define _findfirst _findfirst64i32
#define _findnext _findnext64i32
#define _findfirsti64 _findfirst64
#define _findnexti64 _findnext64
#endif /* _USE_32BIT_TIME_T */
#endif /* _CRTBLD */

#define _A_NORMAL 0x00
#define _A_RDONLY 0x01
#define _A_HIDDEN 0x02
#define _A_SYSTEM 0x04
#define _A_SUBDIR 0x10
#define _A_ARCH 0x20

#include <_mingw_off_t.h>

  /* Some defines for _access nAccessMode (MS doesn't define them, but
  * it doesn't seem to hurt to add them). */
#define	F_OK	0	/* Check for file existence */
#define	X_OK	1	/* Check for execute permission. */
#define	W_OK	2	/* Check for write permission */
#define	R_OK	4	/* Check for read permission */

  _CRTIMP int __cdecl _access(const char *_Filename,int _AccessMode);
  _SECIMP errno_t __cdecl _access_s(const char *_Filename,int _AccessMode);
  _CRTIMP int __cdecl _chmod(const char *_Filename,int _Mode);
  _CRTIMP int __cdecl _chsize(int _FileHandle,long _Size) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
  _SECIMP errno_t __cdecl _chsize_s (int _FileHandle,__int64 _Size);
  _CRTIMP int __cdecl _close(int _FileHandle);
  _CRTIMP int __cdecl _commit(int _FileHandle);
  _CRTIMP int __cdecl _creat(const char *_Filename,int _PermissionMode) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
  _CRTIMP int __cdecl _dup(int _FileHandle);
  _CRTIMP int __cdecl _dup2(int _FileHandleSrc,int _FileHandleDst);
  _CRTIMP int __cdecl _eof(int _FileHandle);
  _CRTIMP long __cdecl _filelength(int _FileHandle);
  _CRTIMP intptr_t __cdecl _findfirst32(const char *_Filename,struct _finddata32_t *_FindData);
  _CRTIMP int __cdecl _findnext32(intptr_t _FindHandle,struct _finddata32_t *_FindData);
  _CRTIMP int __cdecl _findclose(intptr_t _FindHandle);
  _CRTIMP int __cdecl _isatty(int _FileHandle);
  _CRTIMP int __cdecl _locking(int _FileHandle,int _LockMode,long _NumOfBytes);
  _CRTIMP long __cdecl _lseek(int _FileHandle,long _Offset,int _Origin);
  _off64_t lseek64(int fd,_off64_t offset, int whence);
  _CRTIMP char *__cdecl _mktemp(char *_TemplateName) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
  _SECIMP errno_t __cdecl _mktemp_s (char *_TemplateName,size_t _Size);
#ifdef _CRT_USE_WINAPI_FAMILY_DESKTOP_APP
  _CRTIMP int __cdecl _pipe(int *_PtHandles,unsigned int _PipeSize,int _TextMode);
#endif /* _CRT_USE_WINAPI_FAMILY_DESKTOP_APP */
  _CRTIMP int __cdecl _read(int _FileHandle,void *_DstBuf,unsigned int _MaxCharCount);

#ifndef _CRT_DIRECTORY_DEFINED
#define _CRT_DIRECTORY_DEFINED
  int __cdecl remove(const char *_Filename);
  int __cdecl rename(const char *_OldFilename,const char *_NewFilename);
  _CRTIMP int __cdecl _unlink(const char *_Filename);
#ifndef	NO_OLDNAMES
  int __cdecl unlink(const char *_Filename) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
#endif
#endif

  _CRTIMP int __cdecl _setmode(int _FileHandle,int _Mode);
  _CRTIMP long __cdecl _tell(int _FileHandle);
  _CRTIMP int __cdecl _umask(int _Mode) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
  _SECIMP errno_t __cdecl _umask_s (int _NewMode,int *_OldMode);
  _CRTIMP int __cdecl _write(int _FileHandle,const void *_Buf,unsigned int _MaxCharCount);

  __MINGW_EXTENSION _CRTIMP __int64 __cdecl _filelengthi64(int _FileHandle);
  _CRTIMP intptr_t __cdecl _findfirst32i64(const char *_Filename,struct _finddata32i64_t *_FindData);
  _CRTIMP intptr_t __cdecl _findfirst64(const char *_Filename,struct __finddata64_t *_FindData);
  _CRTIMP intptr_t __cdecl _findfirst64i32(const char *_Filename,struct _finddata64i32_t *_FindData);
  _CRTIMP int __cdecl _findnext32i64(intptr_t _FindHandle,struct _finddata32i64_t *_FindData);
  _CRTIMP int __cdecl _findnext64(intptr_t _FindHandle,struct __finddata64_t *_FindData);
  _CRTIMP int __cdecl _findnext64i32(intptr_t _FindHandle,struct _finddata64i32_t *_FindData);
  __MINGW_EXTENSION __int64 __cdecl _lseeki64(int _FileHandle,__int64 _Offset,int _Origin);
  __MINGW_EXTENSION __int64 __cdecl _telli64(int _FileHandle);

#ifndef NO_OLDNAMES
#ifndef _UWIN
  int __cdecl chdir (const char *) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
#if defined(_DEBUG) && defined(_CRTDBG_MAP_ALLOC)
#pragma push_macro("getcwd")
#undef getcwd
#endif
  char *__cdecl getcwd (char *, int) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
#if defined(_DEBUG) && defined(_CRTDBG_MAP_ALLOC)
#pragma pop_macro("getcwd")
#endif
  int __cdecl mkdir (const char *) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  char *__cdecl mktemp(char *) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl rmdir (const char*) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl chmod (const char *, int) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
#endif /* _UWIN */
#endif /* Not NO_OLDNAMES */

  _SECIMP errno_t __cdecl _sopen_s(int *_FileHandle,const char *_Filename,int _OpenFlag,int _ShareFlag,int _PermissionMode);

  _CRTIMP int __cdecl _open(const char *_Filename,int _OpenFlag,...) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
  _CRTIMP int __cdecl _sopen(const char *_Filename,int _OpenFlag,int _ShareFlag,...) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;

  int __cdecl __lock_fhandle(int _Filehandle);
  void __cdecl _unlock_fhandle(int _Filehandle);
  _CRTIMP intptr_t __cdecl _get_osfhandle(int _FileHandle);
  _CRTIMP int __cdecl _open_osfhandle(intptr_t _OSFileHandle,int _Flags);

#ifndef NO_OLDNAMES
  int __cdecl access(const char *_Filename,int _AccessMode) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl chmod(const char *_Filename,int _AccessMode) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl chsize(int _FileHandle,long _Size) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl close(int _FileHandle) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl creat(const char *_Filename,int _PermissionMode) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl creat64(const char *_Filename,int _PermissionMode);
  int __cdecl dup(int _FileHandle) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl dup2(int _FileHandleSrc,int _FileHandleDst) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl eof(int _FileHandle) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  long __cdecl filelength(int _FileHandle) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl isatty(int _FileHandle) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl locking(int _FileHandle,int _LockMode,long _NumOfBytes) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  off_t __cdecl lseek(int _FileHandle,off_t _Offset,int _Origin)
#if (defined(_FILE_OFFSET_BITS) && (_FILE_OFFSET_BITS == 64))
  __MINGW_ASM_CALL(lseek64)
#endif
  __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  char *__cdecl mktemp(char *_TemplateName)  __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl open(const char *_Filename,int _OpenFlag,...)  __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl open64(const char *_Filename,int _OpenFlag,...);
  int __cdecl read(int _FileHandle,void *_DstBuf,unsigned int _MaxCharCount)  __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl setmode(int _FileHandle,int _Mode) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl sopen(const char *_Filename,int _OpenFlag,int _ShareFlag,...) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  long __cdecl tell(int _FileHandle) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl umask(int _Mode) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
  int __cdecl write(int _Filehandle,const void *_Buf,unsigned int _MaxCharCount) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
#endif

#ifdef _POSIX

/* Misc stuff */
char *getlogin(void);
#ifdef __USE_MINGW_ALARM
unsigned int alarm(unsigned int seconds);
#endif

#endif

#ifdef __USE_MINGW_ACCESS
/*  Old versions of MSVCRT access() just ignored X_OK, while the version
    shipped with Vista, returns an error code.  This will restore the
    old behaviour  */
int __cdecl __mingw_access (const char *__fname, int __mode);

#define access(__f,__m)  __mingw_access (__f, __m)
#endif

#if __MINGW_FORTIFY_LEVEL > 0

_CRTIMP int __cdecl __mingw_call__read(int, void *, unsigned int) __MINGW_ASM_CRT_CALL(_read);

__mingw_bos_extern_ovr
int _read(int __fh, void * __dst, unsigned int __n)
{
  __mingw_bos_ptr_chk_warn(__dst, __n, 0);
  return __mingw_call__read(__fh, __dst, __n);
}

#ifndef NO_OLDNAMES
__mingw_bos_extern_ovr
int read(int __fh, void * __dst, unsigned int __n)
{
  return _read(__fh, __dst, __n);
}
#endif

#if __MINGW_FORTIFY_VA_ARG

_CRTIMP int __cdecl __mingw_call__open(const char *, int, ...) __MINGW_ASM_CRT_CALL(_open);
_CRTIMP int __cdecl __mingw_call__open_warn_toomany(const char *, int, ...) __MINGW_ASM_CRT_CALL(_open)
  __attribute__((__warning__("_open(): too many arguments")));
_CRTIMP int __cdecl __mingw_call__open_warn_missing(const char *, int, ...) __MINGW_ASM_CRT_CALL(_open)
  __attribute__((__warning__("_open(..._O_CREAT...): missing argument")));

__mingw_bos_extern_ovr
int _open(const char * __filename, int __flags, ...)
{
  if (__builtin_va_arg_pack_len() > 1)
    return __mingw_call__open_warn_toomany(__filename, __flags, __builtin_va_arg_pack());
  if (__builtin_va_arg_pack_len() < 1 && __builtin_constant_p(__flags & _O_CREAT) && (__flags & _O_CREAT))
    return __mingw_call__open_warn_missing(__filename, __flags, 0);
  if (__builtin_va_arg_pack_len() < 1)
    return __mingw_call__open(__filename, __flags, 0);
  return __mingw_call__open(__filename, __flags, __builtin_va_arg_pack());
}

_CRTIMP int __cdecl __mingw_call__sopen(const char *, int, int, ...) __MINGW_ASM_CRT_CALL(_sopen);
_CRTIMP int __cdecl __mingw_call__sopen_warn_toomany(const char *, int, int, ...) __MINGW_ASM_CRT_CALL(_sopen)
  __attribute__((__warning__("_sopen(): too many arguments")));
_CRTIMP int __cdecl __mingw_call__sopen_warn_missing(const char *, int, int, ...) __MINGW_ASM_CRT_CALL(_sopen)
  __attribute__((__warning__("_sopen(..._O_CREAT...): missing argument")));

__mingw_bos_extern_ovr
int _sopen(const char * __filename, int __flags, int __share, ...)
{
  if (__builtin_va_arg_pack_len() > 1)
    return __mingw_call__sopen_warn_toomany(__filename, __flags, __share, __builtin_va_arg_pack());
  if (__builtin_va_arg_pack_len() < 1 && __builtin_constant_p(__flags & _O_CREAT) && (__flags & _O_CREAT))
    return __mingw_call__sopen_warn_missing(__filename, __flags, __share, 0);
  if (__builtin_va_arg_pack_len() < 1)
    return __mingw_call__sopen(__filename, __flags, __share, 0);
  return __mingw_call__sopen(__filename, __flags, __share, __builtin_va_arg_pack());
}

#ifndef NO_OLDNAMES
__mingw_bos_extern_ovr
int open(const char * __filename, int __flags, ...)
{
  return _open(__filename, __flags, __builtin_va_arg_pack());
}

__mingw_bos_extern_ovr
int sopen(const char * __filename, int __flags, int __share, ...)
{
  return _sopen(__filename, __flags, __share, __builtin_va_arg_pack());
}
#endif

#endif /* __MINGW_FORTIFY_VA_ARG */
#endif /* __MINGW_FORTIFY_LEVEL > 0 */

_CRT_END_C_HEADER

#endif /* End _IO_H_ */