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https://github.com/rtlduino/RTL8710AF_GCC.git
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63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/*
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* stdio_ext.h
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*
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* Definitions for I/O internal operations, originally from Solaris.
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*/
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#ifndef _STDIO_EXT_H_
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#define _STDIO_EXT_H_
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#ifdef __rtems__
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#error "<stdio_ext.h> not supported"
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#endif
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#include <stdio.h>
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_BEGIN_STD_C
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void _EXFUN(__fpurge,(FILE *));
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/* TODO:
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void _flushlbf (void);
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int __fsetlocking (FILE *__fp, int __type);
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*/
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#ifdef __GNUC__
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_ELIDABLE_INLINE inline size_t
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__fbufsize (FILE *__fp) { return (size_t) __fp->_bf._size; }
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_ELIDABLE_INLINE inline int
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__freading (FILE *__fp) { return (__fp->_flags & __SRD) != 0; }
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_ELIDABLE_INLINE inline int
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__fwriting (FILE *__fp) { return (__fp->_flags & __SWR) != 0; }
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_ELIDABLE_INLINE inline int
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__freadable (FILE *__fp) { return (__fp->_flags & (__SRD | __SRW)) != 0; }
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_ELIDABLE_INLINE inline int
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__fwriteable (FILE *__fp) { return (__fp->_flags & (__SWR | __SRW)) != 0; }
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_ELIDABLE_INLINE inline int
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__flbf (FILE *__fp) { return (__fp->_flags & __SLBF) != 0; }
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_ELIDABLE_INLINE inline size_t
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__fpending (FILE *__fp) { return __fp->_p - __fp->_bf._base; }
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#else
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#define __fbufsize(__fp) ((size_t) (__fp)->_bf._size)
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#define __freading(__fp) (((__fp)->_flags & __SRD) != 0)
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#define __fwriting(__fp) (((__fp)->_flags & __SWR) != 0)
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#define __freadable(__fp) (((__fp)->_flags & (__SRD | __SRW)) != 0)
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#define __fwriteable(__fp) (((__fp)->_flags & (__SWR | __SRW)) != 0)
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#define __flbf(__fp) (((__fp)->_flags & __SLBF) != 0)
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#define __fpending(__fp) ((size_t) ((__fp)->_p - (__fp)->_bf._base))
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#endif /* __GNUC__ */
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_END_STD_C
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#endif /* _STDIO_EXT_H_ */
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