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/*
* Copyright (c) 1990, 2007 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 <reent.h>
#include <stdarg.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#ifdef __SCLE
# include <io.h>
#endif
extern int _EXFUN(__svfscanf_r,(struct _reent *,FILE *, _CONST char *,va_list));
extern int _EXFUN(__svfiscanf_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_r,(struct _reent *,FILE *));
extern _READ_WRITE_RETURN_TYPE _EXFUN(__sread,(struct _reent *, void *, char *,
int));
extern _READ_WRITE_RETURN_TYPE _EXFUN(__swrite,(struct _reent *, void *,
const char *, int));
extern _fpos_t _EXFUN(__sseek,(struct _reent *, void *, _fpos_t, int));
extern int _EXFUN(__sclose,(struct _reent *, void *));
extern int _EXFUN(__stextmode,(int));
extern _VOID _EXFUN(__sinit,(struct _reent *));
extern _VOID _EXFUN(_cleanup_r,(struct _reent *));
extern _VOID _EXFUN(__smakebuf_r,(struct _reent *, FILE *));
extern int _EXFUN(_fwalk,(struct _reent *, int (*)(FILE *)));
extern int _EXFUN(_fwalk_reent,(struct _reent *, int (*)(struct _reent *, FILE *)));
struct _glue * _EXFUN(__sfmoreglue,(struct _reent *,int n));
#ifdef __LARGE64_FILES
extern _fpos64_t _EXFUN(__sseek64,(struct _reent *, void *, _fpos64_t, int));
extern _READ_WRITE_RETURN_TYPE _EXFUN(__swrite64,(struct _reent *, void *,
const char *, int));
#endif
/* Called by the main entry point fns to ensure stdio has been initialized. */
#ifdef _REENT_SMALL
#define CHECK_INIT(ptr, fp) \
do \
{ \
if ((ptr) && !(ptr)->__sdidinit) \
__sinit (ptr); \
if ((fp) == (FILE *)&__sf_fake_stdin) \
(fp) = _stdin_r(ptr); \
else if ((fp) == (FILE *)&__sf_fake_stdout) \
(fp) = _stdout_r(ptr); \
else if ((fp) == (FILE *)&__sf_fake_stderr) \
(fp) = _stderr_r(ptr); \
} \
while (0)
#else /* !_REENT_SMALL */
#define CHECK_INIT(ptr, fp) \
do \
{ \
if ((ptr) && !(ptr)->__sdidinit) \
__sinit (ptr); \
} \
while (0)
#endif /* !_REENT_SMALL */
#define CHECK_STD_INIT(ptr) \
do \
{ \
if ((ptr) && !(ptr)->__sdidinit) \
__sinit (ptr); \
} \
while (0)
/* Return true iff the given FILE cannot be written now. */
#define cantwrite(ptr, fp) \
((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \
__swsetup_r(ptr, 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(ptr, fp) { \
if ((fp)->_ub._base != (fp)->_ubuf) \
_free_r(ptr, (char *)(fp)->_ub._base); \
(fp)->_ub._base = NULL; \
}
/* Test for an fgetline() buffer. */
#define HASLB(fp) ((fp)->_lb._base != NULL)
#define FREELB(ptr, fp) { _free_r(ptr,(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 */
#ifdef __SINGLE_THREAD__
#define __sfp_lock_acquire()
#define __sfp_lock_release()
#define __sinit_lock_acquire()
#define __sinit_lock_release()
#else
_VOID _EXFUN(__sfp_lock_acquire,(_VOID));
_VOID _EXFUN(__sfp_lock_release,(_VOID));
_VOID _EXFUN(__sinit_lock_acquire,(_VOID));
_VOID _EXFUN(__sinit_lock_release,(_VOID));
#endif
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