/* LOCAL.H

  * 

  * Portions Copyright (c) 1990-1999 Nokia Corporation and/or its subsidiary(-ies).

  * All rights reserved.

  */

 /*

  * Copyright (c) 1990 The Regents of the University of California.

  * All rights reserved.

  *

  * Redistribution and use in source and binary forms are permitted

  * provided that the above copyright notice and this paragraph are

  * duplicated in all such forms and that any documentation,

  * advertising materials, and other materials related to such

  * distribution and use acknowledge that the software was developed

  * by the University of California, Berkeley.  The name of the

  * University may not be used to endorse or promote products derived

  * from this software without specific prior written permission.

  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR

  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED

  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

  *

  *	%W% (UofMD/Berkeley) %G%

  */

 /*

  * Information local to this implementation of stdio,

  * in particular, macros and private variables.

  */

 #include <_ansi.h>

 #include <stdarg.h>

 #include <reent.h>

 #include <unistd.h>

 /**

 @internalComponent

 */

 extern int    __svfscanf	(FILE *, const char *,va_list);

 extern FILE*  __sfp		(struct _reent *);

 extern int    __sflags		(struct _reent *,const wchar_t*, int*);

 extern int    __srefill		(FILE *);

 extern int    __sread		(void *, char *, int);

 extern int    __swrite		(void *, char const *, int);

 extern fpos_t __sseek		(void *, fpos_t, int);

 extern int    __sclose		(void *);

 extern void   __sinit		(struct _reent *);

 extern void   __smakebuf	(FILE *);

 extern int    _fwalk		(struct _reent *, int (*)(FILE *));

 struct _glue* __sfmoreglue	(struct _reent *,int n);

 extern int    __srefill		(FILE *fp);

 extern int    __srget		(FILE *fp);

 extern int    __swbuf		(int c, FILE *fp);

 /**

 Macros used inside the implementation of STDIO. These used to be in

 the <stdio.h> include file, but we want to hide them as much as

 possible to give us a change to change the implementation if 

 necessary.

 @internalComponent

 */

 #define	__sfeof(p)	(((p)->_flags & __SEOF) != 0)

 #define	__sferror(p)	(((p)->_flags & __SERR) != 0)

 #define	__sclearerr(p)	((void)((p)->_flags &= ~(__SERR|__SEOF)))

 #define	__sfileno(p)	((p)->_file)

 /**

 @internalComponent

 */

 #define	feof(p)		__sfeof(p)

 #define	ferror(p)	__sferror(p)

 #define	clearerr(p)	__sclearerr(p)

 /**

 @internalComponent

 */

 #define	__sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))

 #define	__sputc(c, p) \

 	(--(p)->_w < 0 ? \

 		(p)->_w >= (p)->_lbfsize ? \

 			(*(p)->_p = (unsigned char)(c)), *(p)->_p != '\n' ? \

 				(int)*(p)->_p++ : \

 				__swbuf('\n', p) : \

 			__swbuf((int)(c), p) : \

 		(*(p)->_p = (unsigned char)(c), (int)*(p)->_p++))

 /** 

 Called by the main entry point fns to ensure stdio has been initialized.  

 @internalComponent

 */

 #define CHECK_INIT(fp)	/* done in the construction of the struct _reent */

 /*

 #define CHECK_INIT(fp) \

     {					\

       if ((fp)->_data == 0)			\

 		(fp)->_data = _REENT;		\

       if (!(fp)->_data->__sdidinit)	\

 		__sinit ((fp)->_data);		\

     }

 */

 /**

 Return true iff the given FILE cannot be written now.  

 @internalComponent

 */

 #define	cantwrite(fp) \

   ((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \

    __swsetup(fp))

 /**

 Test whether the given stdio file has an active ungetc buffer;

 release such a buffer, without restoring ordinary unread data.  

 @internalComponent

 */

 #define	HASUB(fp) ((fp)->_ub._base != NULL)

 #define	FREEUB(fp) { \

 	if ((fp)->_ub._base != (fp)->_ubuf) \

 		_free_r(fp->_data, (char *)(fp)->_ub._base); \

 	(fp)->_ub._base = NULL; \

 }

 /**

 Test for an fgetline() buffer.  

 @internalComponent

 */

 #define	HASLB(fp) ((fp)->_lb._base != NULL)

 #define	FREELB(fp) { _free_r(fp->_data,(char *)(fp)->_lb._base); (fp)->_lb._base = NULL; }

 /* 

 WARNING: _dcvt is defined in the stdlib directory, not here!  

 @internalComponent

 */

 char *_dcvt		(struct _reent *, char *, double, int, int, char, int);

 char *_sicvt	(char *, short, char);

 char *_icvt		(char *, int, char);

 char *_licvt	(char *, long, char);

 #ifdef __GNUC__

 char *_llicvt	(char *, long long, char);

 #endif

 /**

 @internalComponent

 */

 #define CVT_BUF_SIZE 128

 /**

 @internalComponent

 */

 #define	NDYNAMIC 4	/* add four more whenever necessary */