kolibrios/programs/develop/libraries/menuetlibc/include/libc/file.h
CleverMouse 4f5f25a6c2 add menuetlibc sources
git-svn-id: svn://kolibrios.org@1882 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-02-21 13:30:08 +00:00

120 lines
2.9 KiB
C
Executable File

/* Copyright (C) 1999 DJ Delorie, see COPYING.DJ for details */
/* Copyright (C) 1997 DJ Delorie, see COPYING.DJ for details */
/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
#ifndef __dj_include_libc_file_h__
#define __dj_include_libc_file_h__
#include <fcntl.h>
#include <libc/dosio.h>
#include <libc/ttyprvt.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef __dj_ENFORCE_ANSI_FREESTANDING
#ifndef __STRICT_ANSI__
#ifndef _POSIX_SOURCE
#define _IOREAD 000010
#define _IOWRT 000020
#define _IOMYBUF 000040
#define _IOEOF 000100
#define _IOERR 000200
#define _IOSTRG 000400
#define _IORW 001000
#define _IOAPPEND 002000
#define _IORMONCL 004000 /* remove on close, for temp files */
/* if _flag & _IORMONCL, ._name_to_remove needs freeing */
#define _IOUNGETC 010000 /* there is an ungetc'ed character in the buffer */
#define _IOTERM 020000 /* file's handle hooked by termios */
#define _IONTERM 040000 /* file's handle not hooked by termios */
int _flsbuf(int, FILE*);
int _filbuf(FILE *);
void _fwalk(void (*)(FILE *));
static __inline__ int __getc_raw(FILE *const p)
{
if(p->_cnt>0)
{
p->_cnt--;
return((unsigned char)*(p->_ptr++));
}
return(_filbuf(p));
}
static __inline__ int __putc_raw(int const x,FILE *const p)
{
if(p->_cnt>0)
{
p->_cnt--;
return((unsigned char)(*(p->_ptr++)=(unsigned char)x));
}
return(_flsbuf((unsigned char)x,p));
}
static __inline__ int __is_text_file(FILE *const p)
{
return(!((p)->_flag & (_IOSTRG | _IOTERM))
&& (__file_handle_modes[(p)->_file]&O_TEXT));
}
static __inline__ int __getc(FILE *const p)
{
int __c;
if (__libc_read_termios_hook
&& ((p)->_flag & (_IOTERM | _IONTERM)) == 0)
{
extern int __isatty(int);
/* first time we see this handle--see if termios hooked it */
if (!((p)->_flag & _IOSTRG) && __isatty((p)->_file))
(p)->_flag |= _IOTERM;
else
(p)->_flag |= _IONTERM;
}
__c = __getc_raw(p);
if (__c=='\r' && __is_text_file(p))
return __getc_raw(p);
return __c;
}
static __inline__ int __putc(const int x,FILE *const p)
{
if (__libc_write_termios_hook
&& ((p)->_flag & (_IOTERM | _IONTERM)) == 0)
{
extern int __isatty(int);
/* first time we see this handle--see if termios hooked it */
if (!((p)->_flag & _IOSTRG) && __isatty((p)->_file))
(p)->_flag |= _IOTERM;
else
(p)->_flag |= _IONTERM;
}
if(x=='\n' && __is_text_file(p))
__putc_raw('\r',p);
return __putc_raw(x,p);
}
#undef fileno
#define fileno(f) (f->_file)
#undef feof
#define feof(f) (((f)->_flag&_IOEOF)!=0)
#undef ferror
#define ferror(f) (((f)->_flag&_IOERR)!=0)
#endif /* !_POSIX_SOURCE */
#endif /* !__STRICT_ANSI__ */
#endif /* !__dj_ENFORCE_ANSI_FREESTANDING */
#ifndef __dj_ENFORCE_FUNCTION_CALLS
#endif /* !__dj_ENFORCE_FUNCTION_CALLS */
#ifdef __cplusplus
}
#endif
#endif /* __dj_include_libc_file_h__ */