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/*
* 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>
extern int _EXFUN(__svfscanf_r,(struct _reent *,FILE *, _CONST char *,va_list));
extern FILE *_EXFUN(__sfp,(struct _reent *));
extern int _EXFUN(__sflags,(struct _reent *,_CONST char*, int*));
extern int _EXFUN(__srefill,(FILE *));
extern _READ_WRITE_RETURN_TYPE _EXFUN(__sread,(void *, char *, int));
extern _READ_WRITE_RETURN_TYPE _EXFUN(__swrite,(void *, char const *, int));
extern fpos_t _EXFUN(__sseek,(void *, fpos_t, int));
extern int _EXFUN(__sclose,(void *));
extern int _EXFUN(__stextmode,(int));
extern void _EXFUN(__sinit,(struct _reent *));
extern void _EXFUN(_cleanup_r,(struct _reent *));
extern void _EXFUN(__smakebuf,(FILE *));
extern int _EXFUN(_fwalk,(struct _reent *, int (*)(FILE *)));
struct _glue * _EXFUN(__sfmoreglue,(struct _reent *,int n));
extern int _EXFUN(__srefill,(FILE *fp));
/* Called by the main entry point fns to ensure stdio has been initialized. */
#define CHECK_INIT(fp) \
do \
{ \
if ((fp)->_data == 0) \
(fp)->_data = _REENT; \
if (!(fp)->_data->__sdidinit) \
__sinit ((fp)->_data); \
} \
while (0)
/* Return true iff the given FILE cannot be written now. */
#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. */
#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. */
#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! */
char *_EXFUN(_dcvt,(struct _reent *, char *, double, int, int, char, int));
char *_EXFUN(_sicvt,(char *, short, char));
char *_EXFUN(_icvt,(char *, int, char));
char *_EXFUN(_licvt,(char *, long, char));
#ifdef __GNUC__
char *_EXFUN(_llicvt,(char *, long long, char));
#endif
#define CVT_BUF_SIZE 128
#define NDYNAMIC 4 /* add four more whenever necessary */
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