Added stdio post/pre includes for our BeOS compatible stdio implementation.

stdio.h will follow later (the headers are currently unused). git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2689 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-02-11 19:37:58 +00:00
parent 7acdf0be55
commit 79d76063c3
2 changed files with 221 additions and 0 deletions
@@ -0,0 +1,102 @@
+#ifndef _STDIO_POST_H_
+#define _STDIO_POST_H_
+/* 
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
+// "Private"/inline functions of our BeOS compatible stdio implementation
+
+// ToDo: this is a work in progress to make our stdio
+//		BeOS' GNU/libio (almost) binary compatible
+//		We are not yet compatible!
+//		Currently only function names are compatible
+
+#ifndef _STDIO_H_
+#	error "This file must be included from stdio.h!"
+#endif
+
+#ifdef __cplusplus
+#	define __INLINE inline
+#else
+#	define __INLINE extern __inline
+#endif
+
+
+extern int _IO_feof_unlocked(FILE *stream);
+extern int _IO_ferror_unlocked(FILE *stream);
+extern int _IO_putc(int c, FILE *stream);
+extern int _IO_putc_unlocked(int c, FILE *stream);
+extern int _IO_getc(FILE *stream);
+extern int _IO_getc_unlocked(FILE *stream);
+extern int _IO_peekc_unlocked(FILE *stream);
+
+extern int __underflow(FILE *stream);
+extern int __uflow(FILE *stream);
+extern int __overflow(FILE *stream, int c);
+
+
+__INLINE int
+feof_unlocked(FILE *stream)
+{
+	return _IO_feof_unlocked(stream);
+}
+
+__INLINE int
+ferror_unlocked(FILE *stream)
+{
+	return _IO_ferror_unlocked(stream);
+}
+
+
+#define getc(stream) \
+	(_single_threaded ? _IO_getc_unlocked(stream) : _IO_getc(stream))
+#define putc(c, stream) \
+	(_single_threaded ? _IO_putc_unlocked(c, stream) : _IO_putc(c, stream))
+
+__INLINE int
+_IO_getc_unlocked(FILE *stream)
+{
+	if (stream->_IO_read_ptr >= stream->_IO_read_end)
+		return __uflow(stream);
+	
+	return *(unsigned char *)stream->_IO_read_ptr++;
+}
+
+
+__INLINE int
+_IO_peekc_unlocked(FILE *stream)
+{
+	if (stream->_IO_read_ptr >= stream->_IO_read_end && __underflow(stream) == EOF)
+		return EOF;
+	
+	return *(unsigned char *)stream->_IO_read_ptr;
+}
+
+
+__INLINE int
+_IO_putc_unlocked(int c, FILE *stream)
+{
+	if (stream->_IO_write_ptr >= stream->_IO_write_end)
+		return __overflow(stream, (unsigned char)c);
+
+	return (unsigned char)(*stream->_IO_write_ptr++ = c);
+}
+
+
+__INLINE int
+putc_unlocked(int c, FILE *stream)
+{
+	return _IO_putc_unlocked(c, stream);
+}
+
+
+__INLINE int
+putchar_unlocked(int c)
+{
+	return _IO_putc_unlocked(c, stdout);
+}
+
+#undef __INLINE
+
+#endif	/* _STDIO_POST_H_ */