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