871 lines
26 KiB
C
871 lines
26 KiB
C
/* This header file provides the reentrancy. */
|
|
|
|
/* WARNING: All identifiers here must begin with an underscore. This file is
|
|
included by stdio.h and others and we therefore must only use identifiers
|
|
in the namespace allotted to us. */
|
|
|
|
#ifndef _SYS_REENT_H_
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
#define _SYS_REENT_H_
|
|
|
|
#include <_ansi.h>
|
|
#include <stddef.h>
|
|
#include <sys/_types.h>
|
|
|
|
#define _NULL 0
|
|
|
|
#ifndef __Long
|
|
#if __LONG_MAX__ == 2147483647L
|
|
#define __Long long
|
|
typedef unsigned __Long __ULong;
|
|
#elif __INT_MAX__ == 2147483647
|
|
#define __Long int
|
|
typedef unsigned __Long __ULong;
|
|
#endif
|
|
#endif
|
|
|
|
#if !defined( __Long)
|
|
#include <sys/types.h>
|
|
#endif
|
|
|
|
#ifndef __machine_flock_t_defined
|
|
#include <sys/lock.h>
|
|
typedef _LOCK_RECURSIVE_T _flock_t;
|
|
#endif
|
|
|
|
#ifndef __Long
|
|
#define __Long __int32_t
|
|
typedef __uint32_t __ULong;
|
|
#endif
|
|
|
|
struct _reent;
|
|
|
|
struct __locale_t;
|
|
|
|
/*
|
|
* If _REENT_SMALL is defined, we make struct _reent as small as possible,
|
|
* by having nearly everything possible allocated at first use.
|
|
*/
|
|
|
|
struct _Bigint
|
|
{
|
|
struct _Bigint *_next;
|
|
int _k, _maxwds, _sign, _wds;
|
|
__ULong _x[1];
|
|
};
|
|
|
|
/* needed by reentrant structure */
|
|
struct __tm
|
|
{
|
|
int __tm_sec;
|
|
int __tm_min;
|
|
int __tm_hour;
|
|
int __tm_mday;
|
|
int __tm_mon;
|
|
int __tm_year;
|
|
int __tm_wday;
|
|
int __tm_yday;
|
|
int __tm_isdst;
|
|
};
|
|
|
|
/*
|
|
* atexit() support.
|
|
*/
|
|
|
|
#define _ATEXIT_SIZE 32 /* must be at least 32 to guarantee ANSI conformance */
|
|
|
|
struct _on_exit_args {
|
|
void * _fnargs[_ATEXIT_SIZE]; /* user fn args */
|
|
void * _dso_handle[_ATEXIT_SIZE];
|
|
/* Bitmask is set if user function takes arguments. */
|
|
__ULong _fntypes; /* type of exit routine -
|
|
Must have at least _ATEXIT_SIZE bits */
|
|
/* Bitmask is set if function was registered via __cxa_atexit. */
|
|
__ULong _is_cxa;
|
|
};
|
|
|
|
#ifdef _REENT_SMALL
|
|
struct _atexit {
|
|
struct _atexit *_next; /* next in list */
|
|
int _ind; /* next index in this table */
|
|
void (*_fns[_ATEXIT_SIZE])(void); /* the table itself */
|
|
struct _on_exit_args * _on_exit_args_ptr;
|
|
};
|
|
# define _ATEXIT_INIT {_NULL, 0, {_NULL}, _NULL}
|
|
#else
|
|
struct _atexit {
|
|
struct _atexit *_next; /* next in list */
|
|
int _ind; /* next index in this table */
|
|
/* Some entries may already have been called, and will be NULL. */
|
|
void (*_fns[_ATEXIT_SIZE])(void); /* the table itself */
|
|
struct _on_exit_args _on_exit_args;
|
|
};
|
|
# define _ATEXIT_INIT {_NULL, 0, {_NULL}, {{_NULL}, {_NULL}, 0, 0}}
|
|
#endif
|
|
|
|
#ifdef _REENT_GLOBAL_ATEXIT
|
|
# define _REENT_INIT_ATEXIT
|
|
#else
|
|
# define _REENT_INIT_ATEXIT \
|
|
_NULL, _ATEXIT_INIT,
|
|
#endif
|
|
|
|
/*
|
|
* Stdio buffers.
|
|
*
|
|
* This and __FILE are defined here because we need them for struct _reent,
|
|
* but we don't want stdio.h included when stdlib.h is.
|
|
*/
|
|
|
|
struct __sbuf {
|
|
unsigned char *_base;
|
|
int _size;
|
|
};
|
|
|
|
/*
|
|
* Stdio state variables.
|
|
*
|
|
* The following always hold:
|
|
*
|
|
* if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
|
|
* _lbfsize is -_bf._size, else _lbfsize is 0
|
|
* if _flags&__SRD, _w is 0
|
|
* if _flags&__SWR, _r is 0
|
|
*
|
|
* This ensures that the getc and putc macros (or inline functions) never
|
|
* try to write or read from a file that is in `read' or `write' mode.
|
|
* (Moreover, they can, and do, automatically switch from read mode to
|
|
* write mode, and back, on "r+" and "w+" files.)
|
|
*
|
|
* _lbfsize is used only to make the inline line-buffered output stream
|
|
* code as compact as possible.
|
|
*
|
|
* _ub, _up, and _ur are used when ungetc() pushes back more characters
|
|
* than fit in the current _bf, or when ungetc() pushes back a character
|
|
* that does not match the previous one in _bf. When this happens,
|
|
* _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
|
|
* _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
|
|
*/
|
|
|
|
#if defined(_REENT_SMALL) && !defined(_REENT_GLOBAL_STDIO_STREAMS)
|
|
/*
|
|
* struct __sFILE_fake is the start of a struct __sFILE, with only the
|
|
* minimal fields allocated. In __sinit() we really allocate the 3
|
|
* standard streams, etc., and point away from this fake.
|
|
*/
|
|
struct __sFILE_fake {
|
|
unsigned char *_p; /* current position in (some) buffer */
|
|
int _r; /* read space left for getc() */
|
|
int _w; /* write space left for putc() */
|
|
short _flags; /* flags, below; this FILE is free if 0 */
|
|
short _file; /* fileno, if Unix descriptor, else -1 */
|
|
struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */
|
|
int _lbfsize; /* 0 or -_bf._size, for inline putc */
|
|
|
|
struct _reent *_data;
|
|
};
|
|
|
|
/* Following is needed both in libc/stdio and libc/stdlib so we put it
|
|
* here instead of libc/stdio/local.h where it was previously. */
|
|
|
|
extern void __sinit (struct _reent *);
|
|
|
|
# define _REENT_SMALL_CHECK_INIT(ptr) \
|
|
do \
|
|
{ \
|
|
if ((ptr) && !(ptr)->__cleanup) \
|
|
__sinit (ptr); \
|
|
} \
|
|
while (0)
|
|
#else /* _REENT_SMALL && !_REENT_GLOBAL_STDIO_STREAMS */
|
|
# define _REENT_SMALL_CHECK_INIT(ptr) /* nothing */
|
|
#endif /* _REENT_SMALL && !_REENT_GLOBAL_STDIO_STREAMS */
|
|
|
|
struct __sFILE {
|
|
unsigned char *_p; /* current position in (some) buffer */
|
|
int _r; /* read space left for getc() */
|
|
int _w; /* write space left for putc() */
|
|
short _flags; /* flags, below; this FILE is free if 0 */
|
|
short _file; /* fileno, if Unix descriptor, else -1 */
|
|
struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */
|
|
int _lbfsize; /* 0 or -_bf._size, for inline putc */
|
|
|
|
#ifdef _REENT_SMALL
|
|
struct _reent *_data;
|
|
#endif
|
|
|
|
/* operations */
|
|
void * _cookie; /* cookie passed to io functions */
|
|
|
|
_READ_WRITE_RETURN_TYPE (*_read) (struct _reent *, void *,
|
|
char *, _READ_WRITE_BUFSIZE_TYPE);
|
|
_READ_WRITE_RETURN_TYPE (*_write) (struct _reent *, void *,
|
|
const char *,
|
|
_READ_WRITE_BUFSIZE_TYPE);
|
|
_fpos_t (*_seek) (struct _reent *, void *, _fpos_t, int);
|
|
int (*_close) (struct _reent *, void *);
|
|
|
|
/* separate buffer for long sequences of ungetc() */
|
|
struct __sbuf _ub; /* ungetc buffer */
|
|
unsigned char *_up; /* saved _p when _p is doing ungetc data */
|
|
int _ur; /* saved _r when _r is counting ungetc data */
|
|
|
|
/* tricks to meet minimum requirements even when malloc() fails */
|
|
unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */
|
|
unsigned char _nbuf[1]; /* guarantee a getc() buffer */
|
|
|
|
/* separate buffer for fgetline() when line crosses buffer boundary */
|
|
struct __sbuf _lb; /* buffer for fgetline() */
|
|
|
|
/* Unix stdio files get aligned to block boundaries on fseek() */
|
|
int _blksize; /* stat.st_blksize (may be != _bf._size) */
|
|
_off_t _offset; /* current lseek offset */
|
|
|
|
#ifndef _REENT_SMALL
|
|
struct _reent *_data; /* Here for binary compatibility? Remove? */
|
|
#endif
|
|
|
|
#ifndef __SINGLE_THREAD__
|
|
_flock_t _lock; /* for thread-safety locking */
|
|
#endif
|
|
_mbstate_t _mbstate; /* for wide char stdio functions. */
|
|
int _flags2; /* for future use */
|
|
};
|
|
|
|
#ifdef __CUSTOM_FILE_IO__
|
|
|
|
/* Get custom _FILE definition. */
|
|
#include <sys/custom_file.h>
|
|
|
|
#else /* !__CUSTOM_FILE_IO__ */
|
|
#ifdef __LARGE64_FILES
|
|
struct __sFILE64 {
|
|
unsigned char *_p; /* current position in (some) buffer */
|
|
int _r; /* read space left for getc() */
|
|
int _w; /* write space left for putc() */
|
|
short _flags; /* flags, below; this FILE is free if 0 */
|
|
short _file; /* fileno, if Unix descriptor, else -1 */
|
|
struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */
|
|
int _lbfsize; /* 0 or -_bf._size, for inline putc */
|
|
|
|
struct _reent *_data;
|
|
|
|
/* operations */
|
|
void * _cookie; /* cookie passed to io functions */
|
|
|
|
_READ_WRITE_RETURN_TYPE (*_read) (struct _reent *, void *,
|
|
char *, _READ_WRITE_BUFSIZE_TYPE);
|
|
_READ_WRITE_RETURN_TYPE (*_write) (struct _reent *, void *,
|
|
const char *,
|
|
_READ_WRITE_BUFSIZE_TYPE);
|
|
_fpos_t (*_seek) (struct _reent *, void *, _fpos_t, int);
|
|
int (*_close) (struct _reent *, void *);
|
|
|
|
/* separate buffer for long sequences of ungetc() */
|
|
struct __sbuf _ub; /* ungetc buffer */
|
|
unsigned char *_up; /* saved _p when _p is doing ungetc data */
|
|
int _ur; /* saved _r when _r is counting ungetc data */
|
|
|
|
/* tricks to meet minimum requirements even when malloc() fails */
|
|
unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */
|
|
unsigned char _nbuf[1]; /* guarantee a getc() buffer */
|
|
|
|
/* separate buffer for fgetline() when line crosses buffer boundary */
|
|
struct __sbuf _lb; /* buffer for fgetline() */
|
|
|
|
/* Unix stdio files get aligned to block boundaries on fseek() */
|
|
int _blksize; /* stat.st_blksize (may be != _bf._size) */
|
|
int _flags2; /* for future use */
|
|
|
|
_off64_t _offset; /* current lseek offset */
|
|
_fpos64_t (*_seek64) (struct _reent *, void *, _fpos64_t, int);
|
|
|
|
#ifndef __SINGLE_THREAD__
|
|
_flock_t _lock; /* for thread-safety locking */
|
|
#endif
|
|
_mbstate_t _mbstate; /* for wide char stdio functions. */
|
|
};
|
|
typedef struct __sFILE64 __FILE;
|
|
#else
|
|
typedef struct __sFILE __FILE;
|
|
#endif /* __LARGE64_FILES */
|
|
#endif /* !__CUSTOM_FILE_IO__ */
|
|
|
|
#ifdef _REENT_GLOBAL_STDIO_STREAMS
|
|
extern __FILE __sf[3];
|
|
#endif
|
|
|
|
struct _glue
|
|
{
|
|
struct _glue *_next;
|
|
int _niobs;
|
|
__FILE *_iobs;
|
|
};
|
|
|
|
/*
|
|
* rand48 family support
|
|
*
|
|
* Copyright (c) 1993 Martin Birgmeier
|
|
* All rights reserved.
|
|
*
|
|
* You may redistribute unmodified or modified versions of this source
|
|
* code provided that the above copyright notice and this and the
|
|
* following conditions are retained.
|
|
*
|
|
* This software is provided ``as is'', and comes with no warranties
|
|
* of any kind. I shall in no event be liable for anything that happens
|
|
* to anyone/anything when using this software.
|
|
*/
|
|
#define _RAND48_SEED_0 (0x330e)
|
|
#define _RAND48_SEED_1 (0xabcd)
|
|
#define _RAND48_SEED_2 (0x1234)
|
|
#define _RAND48_MULT_0 (0xe66d)
|
|
#define _RAND48_MULT_1 (0xdeec)
|
|
#define _RAND48_MULT_2 (0x0005)
|
|
#define _RAND48_ADD (0x000b)
|
|
struct _rand48 {
|
|
unsigned short _seed[3];
|
|
unsigned short _mult[3];
|
|
unsigned short _add;
|
|
#ifdef _REENT_SMALL
|
|
/* Put this in here as well, for good luck. */
|
|
__extension__ unsigned long long _rand_next;
|
|
#endif
|
|
};
|
|
|
|
/* How big the some arrays are. */
|
|
#define _REENT_EMERGENCY_SIZE 25
|
|
#define _REENT_ASCTIME_SIZE 26
|
|
#define _REENT_SIGNAL_SIZE 24
|
|
|
|
/*
|
|
* struct _reent
|
|
*
|
|
* This structure contains *all* globals needed by the library.
|
|
* It's raison d'etre is to facilitate threads by making all library routines
|
|
* reentrant. IE: All state information is contained here.
|
|
*/
|
|
|
|
#ifdef _REENT_SMALL
|
|
|
|
struct _mprec
|
|
{
|
|
/* used by mprec routines */
|
|
struct _Bigint *_result;
|
|
int _result_k;
|
|
struct _Bigint *_p5s;
|
|
struct _Bigint **_freelist;
|
|
};
|
|
|
|
|
|
struct _misc_reent
|
|
{
|
|
/* miscellaneous reentrant data */
|
|
char *_strtok_last;
|
|
_mbstate_t _mblen_state;
|
|
_mbstate_t _wctomb_state;
|
|
_mbstate_t _mbtowc_state;
|
|
char _l64a_buf[8];
|
|
int _getdate_err;
|
|
_mbstate_t _mbrlen_state;
|
|
_mbstate_t _mbrtowc_state;
|
|
_mbstate_t _mbsrtowcs_state;
|
|
_mbstate_t _wcrtomb_state;
|
|
_mbstate_t _wcsrtombs_state;
|
|
};
|
|
|
|
/* This version of _reent is laid out with "int"s in pairs, to help
|
|
* ports with 16-bit int's but 32-bit pointers, align nicely. */
|
|
struct _reent
|
|
{
|
|
/* As an exception to the above put _errno first for binary
|
|
compatibility with non _REENT_SMALL targets. */
|
|
int _errno; /* local copy of errno */
|
|
|
|
/* FILE is a big struct and may change over time. To try to achieve binary
|
|
compatibility with future versions, put stdin,stdout,stderr here.
|
|
These are pointers into member __sf defined below. */
|
|
__FILE *_stdin, *_stdout, *_stderr; /* XXX */
|
|
|
|
int _inc; /* used by tmpnam */
|
|
|
|
char *_emergency;
|
|
|
|
/* No longer used, but member retained for binary compatibility.
|
|
Now, the __cleanup member is used to check initialization. */
|
|
int _unused_sdidinit;
|
|
|
|
int _unspecified_locale_info; /* unused, reserved for locale stuff */
|
|
struct __locale_t *_locale;/* per-thread locale */
|
|
|
|
struct _mprec *_mp;
|
|
|
|
void (*__cleanup) (struct _reent *);
|
|
|
|
int _gamma_signgam;
|
|
|
|
/* used by some fp conversion routines */
|
|
int _cvtlen; /* should be size_t */
|
|
char *_cvtbuf;
|
|
|
|
struct _rand48 *_r48;
|
|
struct __tm *_localtime_buf;
|
|
char *_asctime_buf;
|
|
|
|
/* signal info */
|
|
void (**(_sig_func))(int);
|
|
|
|
# ifndef _REENT_GLOBAL_ATEXIT
|
|
/* atexit stuff */
|
|
struct _atexit *_atexit;
|
|
struct _atexit _atexit0;
|
|
# endif
|
|
|
|
struct _glue __sglue; /* root of glue chain */
|
|
__FILE *__sf; /* file descriptors */
|
|
struct _misc_reent *_misc; /* strtok, multibyte states */
|
|
char *_signal_buf; /* strsignal */
|
|
};
|
|
|
|
#ifdef _REENT_GLOBAL_STDIO_STREAMS
|
|
|
|
# define _REENT_INIT(var) \
|
|
{ 0, \
|
|
&__sf[0], \
|
|
&__sf[1], \
|
|
&__sf[2], \
|
|
0, \
|
|
_NULL, \
|
|
0, \
|
|
0, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL, \
|
|
0, \
|
|
0, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_REENT_INIT_ATEXIT \
|
|
{_NULL, 0, _NULL}, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL \
|
|
}
|
|
|
|
#define _REENT_INIT_PTR_ZEROED(var) \
|
|
{ (var)->_stdin = &__sf[0]; \
|
|
(var)->_stdout = &__sf[1]; \
|
|
(var)->_stderr = &__sf[2]; \
|
|
}
|
|
|
|
#else /* _REENT_GLOBAL_STDIO_STREAMS */
|
|
|
|
extern const struct __sFILE_fake __sf_fake_stdin;
|
|
extern const struct __sFILE_fake __sf_fake_stdout;
|
|
extern const struct __sFILE_fake __sf_fake_stderr;
|
|
|
|
# define _REENT_INIT(var) \
|
|
{ 0, \
|
|
(__FILE *)&__sf_fake_stdin, \
|
|
(__FILE *)&__sf_fake_stdout, \
|
|
(__FILE *)&__sf_fake_stderr, \
|
|
0, \
|
|
_NULL, \
|
|
0, \
|
|
0, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL, \
|
|
0, \
|
|
0, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_REENT_INIT_ATEXIT \
|
|
{_NULL, 0, _NULL}, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL \
|
|
}
|
|
|
|
#define _REENT_INIT_PTR_ZEROED(var) \
|
|
{ (var)->_stdin = (__FILE *)&__sf_fake_stdin; \
|
|
(var)->_stdout = (__FILE *)&__sf_fake_stdout; \
|
|
(var)->_stderr = (__FILE *)&__sf_fake_stderr; \
|
|
}
|
|
|
|
#endif /* _REENT_GLOBAL_STDIO_STREAMS */
|
|
|
|
/* Specify how to handle reent_check malloc failures. */
|
|
#ifdef _REENT_CHECK_VERIFY
|
|
#include <assert.h>
|
|
#define __reent_assert(x) ((x) ? (void)0 : __assert_func(__FILE__, __LINE__, (char *)0, "REENT malloc succeeded"))
|
|
#else
|
|
#define __reent_assert(x) ((void)0)
|
|
#endif
|
|
|
|
#ifdef __CUSTOM_FILE_IO__
|
|
#error Custom FILE I/O and _REENT_SMALL not currently supported.
|
|
#endif
|
|
|
|
/* Generic _REENT check macro. */
|
|
#define _REENT_CHECK(var, what, type, size, init) do { \
|
|
struct _reent *_r = (var); \
|
|
if (_r->what == NULL) { \
|
|
_r->what = (type)malloc(size); \
|
|
__reent_assert(_r->what); \
|
|
init; \
|
|
} \
|
|
} while (0)
|
|
|
|
#define _REENT_CHECK_TM(var) \
|
|
_REENT_CHECK(var, _localtime_buf, struct __tm *, sizeof *((var)->_localtime_buf), \
|
|
/* nothing */)
|
|
|
|
#define _REENT_CHECK_ASCTIME_BUF(var) \
|
|
_REENT_CHECK(var, _asctime_buf, char *, _REENT_ASCTIME_SIZE, \
|
|
memset((var)->_asctime_buf, 0, _REENT_ASCTIME_SIZE))
|
|
|
|
/* Handle the dynamically allocated rand48 structure. */
|
|
#define _REENT_INIT_RAND48(var) do { \
|
|
struct _reent *_r = (var); \
|
|
_r->_r48->_seed[0] = _RAND48_SEED_0; \
|
|
_r->_r48->_seed[1] = _RAND48_SEED_1; \
|
|
_r->_r48->_seed[2] = _RAND48_SEED_2; \
|
|
_r->_r48->_mult[0] = _RAND48_MULT_0; \
|
|
_r->_r48->_mult[1] = _RAND48_MULT_1; \
|
|
_r->_r48->_mult[2] = _RAND48_MULT_2; \
|
|
_r->_r48->_add = _RAND48_ADD; \
|
|
_r->_r48->_rand_next = 1; \
|
|
} while (0)
|
|
#define _REENT_CHECK_RAND48(var) \
|
|
_REENT_CHECK(var, _r48, struct _rand48 *, sizeof *((var)->_r48), _REENT_INIT_RAND48((var)))
|
|
|
|
#define _REENT_INIT_MP(var) do { \
|
|
struct _reent *_r = (var); \
|
|
_r->_mp->_result_k = 0; \
|
|
_r->_mp->_result = _r->_mp->_p5s = _NULL; \
|
|
_r->_mp->_freelist = _NULL; \
|
|
} while (0)
|
|
#define _REENT_CHECK_MP(var) \
|
|
_REENT_CHECK(var, _mp, struct _mprec *, sizeof *((var)->_mp), _REENT_INIT_MP(var))
|
|
|
|
#define _REENT_CHECK_EMERGENCY(var) \
|
|
_REENT_CHECK(var, _emergency, char *, _REENT_EMERGENCY_SIZE, /* nothing */)
|
|
|
|
#define _REENT_INIT_MISC(var) do { \
|
|
struct _reent *_r = (var); \
|
|
_r->_misc->_strtok_last = _NULL; \
|
|
_r->_misc->_mblen_state.__count = 0; \
|
|
_r->_misc->_mblen_state.__value.__wch = 0; \
|
|
_r->_misc->_wctomb_state.__count = 0; \
|
|
_r->_misc->_wctomb_state.__value.__wch = 0; \
|
|
_r->_misc->_mbtowc_state.__count = 0; \
|
|
_r->_misc->_mbtowc_state.__value.__wch = 0; \
|
|
_r->_misc->_mbrlen_state.__count = 0; \
|
|
_r->_misc->_mbrlen_state.__value.__wch = 0; \
|
|
_r->_misc->_mbrtowc_state.__count = 0; \
|
|
_r->_misc->_mbrtowc_state.__value.__wch = 0; \
|
|
_r->_misc->_mbsrtowcs_state.__count = 0; \
|
|
_r->_misc->_mbsrtowcs_state.__value.__wch = 0; \
|
|
_r->_misc->_wcrtomb_state.__count = 0; \
|
|
_r->_misc->_wcrtomb_state.__value.__wch = 0; \
|
|
_r->_misc->_wcsrtombs_state.__count = 0; \
|
|
_r->_misc->_wcsrtombs_state.__value.__wch = 0; \
|
|
_r->_misc->_l64a_buf[0] = '\0'; \
|
|
_r->_misc->_getdate_err = 0; \
|
|
} while (0)
|
|
#define _REENT_CHECK_MISC(var) \
|
|
_REENT_CHECK(var, _misc, struct _misc_reent *, sizeof *((var)->_misc), _REENT_INIT_MISC(var))
|
|
|
|
#define _REENT_CHECK_SIGNAL_BUF(var) \
|
|
_REENT_CHECK(var, _signal_buf, char *, _REENT_SIGNAL_SIZE, /* nothing */)
|
|
|
|
#define _REENT_SIGNGAM(ptr) ((ptr)->_gamma_signgam)
|
|
#define _REENT_RAND_NEXT(ptr) ((ptr)->_r48->_rand_next)
|
|
#define _REENT_RAND48_SEED(ptr) ((ptr)->_r48->_seed)
|
|
#define _REENT_RAND48_MULT(ptr) ((ptr)->_r48->_mult)
|
|
#define _REENT_RAND48_ADD(ptr) ((ptr)->_r48->_add)
|
|
#define _REENT_MP_RESULT(ptr) ((ptr)->_mp->_result)
|
|
#define _REENT_MP_RESULT_K(ptr) ((ptr)->_mp->_result_k)
|
|
#define _REENT_MP_P5S(ptr) ((ptr)->_mp->_p5s)
|
|
#define _REENT_MP_FREELIST(ptr) ((ptr)->_mp->_freelist)
|
|
#define _REENT_ASCTIME_BUF(ptr) ((ptr)->_asctime_buf)
|
|
#define _REENT_TM(ptr) ((ptr)->_localtime_buf)
|
|
#define _REENT_EMERGENCY(ptr) ((ptr)->_emergency)
|
|
#define _REENT_STRTOK_LAST(ptr) ((ptr)->_misc->_strtok_last)
|
|
#define _REENT_MBLEN_STATE(ptr) ((ptr)->_misc->_mblen_state)
|
|
#define _REENT_MBTOWC_STATE(ptr)((ptr)->_misc->_mbtowc_state)
|
|
#define _REENT_WCTOMB_STATE(ptr)((ptr)->_misc->_wctomb_state)
|
|
#define _REENT_MBRLEN_STATE(ptr) ((ptr)->_misc->_mbrlen_state)
|
|
#define _REENT_MBRTOWC_STATE(ptr) ((ptr)->_misc->_mbrtowc_state)
|
|
#define _REENT_MBSRTOWCS_STATE(ptr) ((ptr)->_misc->_mbsrtowcs_state)
|
|
#define _REENT_WCRTOMB_STATE(ptr) ((ptr)->_misc->_wcrtomb_state)
|
|
#define _REENT_WCSRTOMBS_STATE(ptr) ((ptr)->_misc->_wcsrtombs_state)
|
|
#define _REENT_L64A_BUF(ptr) ((ptr)->_misc->_l64a_buf)
|
|
#define _REENT_GETDATE_ERR_P(ptr) (&((ptr)->_misc->_getdate_err))
|
|
#define _REENT_SIGNAL_BUF(ptr) ((ptr)->_signal_buf)
|
|
|
|
#else /* !_REENT_SMALL */
|
|
|
|
struct _reent
|
|
{
|
|
int _errno; /* local copy of errno */
|
|
|
|
/* FILE is a big struct and may change over time. To try to achieve binary
|
|
compatibility with future versions, put stdin,stdout,stderr here.
|
|
These are pointers into member __sf defined below. */
|
|
__FILE *_stdin, *_stdout, *_stderr;
|
|
|
|
int _inc; /* used by tmpnam */
|
|
char _emergency[_REENT_EMERGENCY_SIZE];
|
|
|
|
/* TODO */
|
|
int _unspecified_locale_info; /* unused, reserved for locale stuff */
|
|
struct __locale_t *_locale;/* per-thread locale */
|
|
|
|
/* No longer used, but member retained for binary compatibility.
|
|
Now, the __cleanup member is used to check initialization. */
|
|
int _unused_sdidinit;
|
|
|
|
void (*__cleanup) (struct _reent *);
|
|
|
|
/* used by mprec routines */
|
|
struct _Bigint *_result;
|
|
int _result_k;
|
|
struct _Bigint *_p5s;
|
|
struct _Bigint **_freelist;
|
|
|
|
/* used by some fp conversion routines */
|
|
int _cvtlen; /* should be size_t */
|
|
char *_cvtbuf;
|
|
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
unsigned int _unused_rand;
|
|
char * _strtok_last;
|
|
char _asctime_buf[_REENT_ASCTIME_SIZE];
|
|
struct __tm _localtime_buf;
|
|
int _gamma_signgam;
|
|
__extension__ unsigned long long _rand_next;
|
|
struct _rand48 _r48;
|
|
_mbstate_t _mblen_state;
|
|
_mbstate_t _mbtowc_state;
|
|
_mbstate_t _wctomb_state;
|
|
char _l64a_buf[8];
|
|
char _signal_buf[_REENT_SIGNAL_SIZE];
|
|
int _getdate_err;
|
|
_mbstate_t _mbrlen_state;
|
|
_mbstate_t _mbrtowc_state;
|
|
_mbstate_t _mbsrtowcs_state;
|
|
_mbstate_t _wcrtomb_state;
|
|
_mbstate_t _wcsrtombs_state;
|
|
int _h_errno;
|
|
} _reent;
|
|
/* Two next two fields were once used by malloc. They are no longer
|
|
used. They are used to preserve the space used before so as to
|
|
allow addition of new reent fields and keep binary compatibility. */
|
|
struct
|
|
{
|
|
#define _N_LISTS 30
|
|
unsigned char * _nextf[_N_LISTS];
|
|
unsigned int _nmalloc[_N_LISTS];
|
|
} _unused;
|
|
} _new;
|
|
|
|
# ifndef _REENT_GLOBAL_ATEXIT
|
|
/* atexit stuff */
|
|
struct _atexit *_atexit; /* points to head of LIFO stack */
|
|
struct _atexit _atexit0; /* one guaranteed table, required by ANSI */
|
|
# endif
|
|
|
|
/* signal info */
|
|
void (**_sig_func)(int);
|
|
|
|
/* These are here last so that __FILE can grow without changing the offsets
|
|
of the above members (on the off chance that future binary compatibility
|
|
would be broken otherwise). */
|
|
struct _glue __sglue; /* root of glue chain */
|
|
# ifndef _REENT_GLOBAL_STDIO_STREAMS
|
|
__FILE __sf[3]; /* first three file descriptors */
|
|
# endif
|
|
};
|
|
|
|
#ifdef _REENT_GLOBAL_STDIO_STREAMS
|
|
#define _REENT_STDIO_STREAM(var, index) &__sf[index]
|
|
#define _REENT_INIT_SGLUE(_ptr) { _NULL, 0, _NULL }
|
|
#define _REENT_INIT_SGLUE_ZEROED(_ptr) /* nothing to set */
|
|
#else
|
|
#define _REENT_STDIO_STREAM(var, index) &(var)->__sf[index]
|
|
#define _REENT_INIT_SGLUE(_ptr) { _NULL, 3, &(_ptr)->__sf[0] }
|
|
#define _REENT_INIT_SGLUE_ZEROED(_ptr) \
|
|
(_ptr)->__sglue._niobs = 3; \
|
|
(_ptr)->__sglue._iobs = &(_ptr)->__sf[0];
|
|
#endif
|
|
|
|
#define _REENT_INIT(var) \
|
|
{ 0, \
|
|
_REENT_STDIO_STREAM(&(var), 0), \
|
|
_REENT_STDIO_STREAM(&(var), 1), \
|
|
_REENT_STDIO_STREAM(&(var), 2), \
|
|
0, \
|
|
"", \
|
|
0, \
|
|
_NULL, \
|
|
0, \
|
|
_NULL, \
|
|
_NULL, \
|
|
0, \
|
|
_NULL, \
|
|
_NULL, \
|
|
0, \
|
|
_NULL, \
|
|
{ \
|
|
{ \
|
|
0, \
|
|
_NULL, \
|
|
"", \
|
|
{0, 0, 0, 0, 0, 0, 0, 0, 0}, \
|
|
0, \
|
|
1, \
|
|
{ \
|
|
{_RAND48_SEED_0, _RAND48_SEED_1, _RAND48_SEED_2}, \
|
|
{_RAND48_MULT_0, _RAND48_MULT_1, _RAND48_MULT_2}, \
|
|
_RAND48_ADD \
|
|
}, \
|
|
{0, {0}}, \
|
|
{0, {0}}, \
|
|
{0, {0}}, \
|
|
"", \
|
|
"", \
|
|
0, \
|
|
{0, {0}}, \
|
|
{0, {0}}, \
|
|
{0, {0}}, \
|
|
{0, {0}}, \
|
|
{0, {0}} \
|
|
} \
|
|
}, \
|
|
_REENT_INIT_ATEXIT \
|
|
_NULL, \
|
|
_REENT_INIT_SGLUE(&(var)) \
|
|
}
|
|
|
|
#define _REENT_INIT_PTR_ZEROED(var) \
|
|
{ (var)->_stdin = _REENT_STDIO_STREAM(var, 0); \
|
|
(var)->_stdout = _REENT_STDIO_STREAM(var, 1); \
|
|
(var)->_stderr = _REENT_STDIO_STREAM(var, 2); \
|
|
(var)->_new._reent._rand_next = 1; \
|
|
(var)->_new._reent._r48._seed[0] = _RAND48_SEED_0; \
|
|
(var)->_new._reent._r48._seed[1] = _RAND48_SEED_1; \
|
|
(var)->_new._reent._r48._seed[2] = _RAND48_SEED_2; \
|
|
(var)->_new._reent._r48._mult[0] = _RAND48_MULT_0; \
|
|
(var)->_new._reent._r48._mult[1] = _RAND48_MULT_1; \
|
|
(var)->_new._reent._r48._mult[2] = _RAND48_MULT_2; \
|
|
(var)->_new._reent._r48._add = _RAND48_ADD; \
|
|
_REENT_INIT_SGLUE_ZEROED(var) \
|
|
}
|
|
|
|
#define _REENT_CHECK_RAND48(ptr) /* nothing */
|
|
#define _REENT_CHECK_MP(ptr) /* nothing */
|
|
#define _REENT_CHECK_TM(ptr) /* nothing */
|
|
#define _REENT_CHECK_ASCTIME_BUF(ptr) /* nothing */
|
|
#define _REENT_CHECK_EMERGENCY(ptr) /* nothing */
|
|
#define _REENT_CHECK_MISC(ptr) /* nothing */
|
|
#define _REENT_CHECK_SIGNAL_BUF(ptr) /* nothing */
|
|
|
|
#define _REENT_SIGNGAM(ptr) ((ptr)->_new._reent._gamma_signgam)
|
|
#define _REENT_RAND_NEXT(ptr) ((ptr)->_new._reent._rand_next)
|
|
#define _REENT_RAND48_SEED(ptr) ((ptr)->_new._reent._r48._seed)
|
|
#define _REENT_RAND48_MULT(ptr) ((ptr)->_new._reent._r48._mult)
|
|
#define _REENT_RAND48_ADD(ptr) ((ptr)->_new._reent._r48._add)
|
|
#define _REENT_MP_RESULT(ptr) ((ptr)->_result)
|
|
#define _REENT_MP_RESULT_K(ptr) ((ptr)->_result_k)
|
|
#define _REENT_MP_P5S(ptr) ((ptr)->_p5s)
|
|
#define _REENT_MP_FREELIST(ptr) ((ptr)->_freelist)
|
|
#define _REENT_ASCTIME_BUF(ptr) ((ptr)->_new._reent._asctime_buf)
|
|
#define _REENT_TM(ptr) (&(ptr)->_new._reent._localtime_buf)
|
|
#define _REENT_EMERGENCY(ptr) ((ptr)->_emergency)
|
|
#define _REENT_STRTOK_LAST(ptr) ((ptr)->_new._reent._strtok_last)
|
|
#define _REENT_MBLEN_STATE(ptr) ((ptr)->_new._reent._mblen_state)
|
|
#define _REENT_MBTOWC_STATE(ptr)((ptr)->_new._reent._mbtowc_state)
|
|
#define _REENT_WCTOMB_STATE(ptr)((ptr)->_new._reent._wctomb_state)
|
|
#define _REENT_MBRLEN_STATE(ptr)((ptr)->_new._reent._mbrlen_state)
|
|
#define _REENT_MBRTOWC_STATE(ptr)((ptr)->_new._reent._mbrtowc_state)
|
|
#define _REENT_MBSRTOWCS_STATE(ptr)((ptr)->_new._reent._mbsrtowcs_state)
|
|
#define _REENT_WCRTOMB_STATE(ptr)((ptr)->_new._reent._wcrtomb_state)
|
|
#define _REENT_WCSRTOMBS_STATE(ptr)((ptr)->_new._reent._wcsrtombs_state)
|
|
#define _REENT_L64A_BUF(ptr) ((ptr)->_new._reent._l64a_buf)
|
|
#define _REENT_SIGNAL_BUF(ptr) ((ptr)->_new._reent._signal_buf)
|
|
#define _REENT_GETDATE_ERR_P(ptr) (&((ptr)->_new._reent._getdate_err))
|
|
|
|
#endif /* !_REENT_SMALL */
|
|
|
|
#define _REENT_INIT_PTR(var) \
|
|
{ memset((var), 0, sizeof(*(var))); \
|
|
_REENT_INIT_PTR_ZEROED(var); \
|
|
}
|
|
|
|
/* This value is used in stdlib/misc.c. reent/reent.c has to know it
|
|
as well to make sure the freelist is correctly free'd. Therefore
|
|
we define it here, rather than in stdlib/misc.c, as before. */
|
|
#define _Kmax (sizeof (size_t) << 3)
|
|
|
|
/*
|
|
* All references to struct _reent are via this pointer.
|
|
* Internally, newlib routines that need to reference it should use _REENT.
|
|
*/
|
|
|
|
#ifndef __ATTRIBUTE_IMPURE_PTR__
|
|
#define __ATTRIBUTE_IMPURE_PTR__
|
|
#endif
|
|
|
|
extern struct _reent *_impure_ptr __ATTRIBUTE_IMPURE_PTR__;
|
|
|
|
#ifndef __ATTRIBUTE_IMPURE_DATA__
|
|
#define __ATTRIBUTE_IMPURE_DATA__
|
|
#endif
|
|
|
|
extern struct _reent _impure_data __ATTRIBUTE_IMPURE_DATA__;
|
|
|
|
extern void (*__stdio_exit_handler) (void);
|
|
|
|
void _reclaim_reent (struct _reent *);
|
|
|
|
extern int _fwalk_sglue (struct _reent *, int (*)(struct _reent *, __FILE *),
|
|
struct _glue *);
|
|
|
|
/* #define _REENT_ONLY define this to get only reentrant routines */
|
|
|
|
#if defined(__DYNAMIC_REENT__) && !defined(__SINGLE_THREAD__)
|
|
#ifndef __getreent
|
|
struct _reent * __getreent (void);
|
|
#endif
|
|
# define _REENT (__getreent())
|
|
#else /* __SINGLE_THREAD__ || !__DYNAMIC_REENT__ */
|
|
# define _REENT _impure_ptr
|
|
#endif /* __SINGLE_THREAD__ || !__DYNAMIC_REENT__ */
|
|
|
|
#define _GLOBAL_REENT (&_impure_data)
|
|
|
|
#ifdef _REENT_GLOBAL_ATEXIT
|
|
extern struct _atexit *_global_atexit; /* points to head of LIFO stack */
|
|
# define _GLOBAL_ATEXIT _global_atexit
|
|
#else
|
|
# define _GLOBAL_ATEXIT (_GLOBAL_REENT->_atexit)
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* _SYS_REENT_H_ */
|