forked from KolibriOS/kolibrios
120 lines
2.9 KiB
C
Executable File
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__ */
|