diff options
Diffstat (limited to 'newlib/libc/include/sys/reent.h')
-rw-r--r-- | newlib/libc/include/sys/reent.h | 586 |
1 files changed, 24 insertions, 562 deletions
diff --git a/newlib/libc/include/sys/reent.h b/newlib/libc/include/sys/reent.h index 7911b6cbc..65417f83a 100644 --- a/newlib/libc/include/sys/reent.h +++ b/newlib/libc/include/sys/reent.h @@ -23,19 +23,17 @@ typedef unsigned __Long __ULong; #endif #endif -#if !defined( __Long) -#include <sys/types.h> -#endif - #ifndef __Long #define __Long __int32_t typedef __uint32_t __ULong; #endif -/* - * If _REENT_SMALL is defined, we make struct _reent as small as possible, - * by having nearly everything possible allocated at first use. - */ +struct _glue +{ + struct _glue *_next; + int _niobs; + struct __sFILE *_iobs; +}; struct _Bigint { @@ -59,42 +57,21 @@ struct __tm }; /* - * atexit() support. + * 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; }; -#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; -}; -#endif /* * Stdio buffers. * - * This and __FILE are defined here because we need them for struct _reent, + * This and __sFILE are defined here because we need them for struct _reent, * but we don't want stdio.h included when stdlib.h is. */ @@ -111,10 +88,6 @@ struct __sbuf { typedef long _fpos_t; /* XXX must match off_t in <sys/types.h> */ /* (and must be `long' for now) */ -#ifdef __LARGE64_FILES -typedef _off64_t _fpos64_t; -#endif - /* * Stdio state variables. * @@ -140,29 +113,6 @@ typedef _off64_t _fpos64_t; * _ub._base!=NULL) and _up and _ur save the current values of _p and _r. */ -#ifdef _REENT_SMALL -/* - * 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; -}; -/* CHECK_INIT() comes from stdio/local.h; be sure to include that. */ -# define _REENT_SMALL_CHECK_INIT(ptr) CHECK_INIT(ptr) -#else -# define _REENT_SMALL_CHECK_INIT(ptr) /* nothing */ -#endif - struct __sFILE { unsigned char *_p; /* current position in (some) buffer */ int _r; /* read space left for getc() */ @@ -172,10 +122,6 @@ struct __sFILE { 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 */ _PTR _cookie; /* cookie passed to io functions */ @@ -201,69 +147,7 @@ struct __sFILE { int _blksize; /* stat.st_blksize (may be != _bf._size) */ int _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 -}; - -#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 */ - _PTR _cookie; /* cookie passed to io functions */ - - _READ_WRITE_RETURN_TYPE _EXFUN((*_read),(_PTR _cookie, char *_buf, int _n)); - _READ_WRITE_RETURN_TYPE _EXFUN((*_write),(_PTR _cookie, const char *_buf, - int _n)); - _fpos_t _EXFUN((*_seek),(_PTR _cookie, _fpos_t _offset, int _whence)); - int _EXFUN((*_close),(_PTR _cookie)); - - /* 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 _EXFUN((*_seek64),(_PTR _cookie, _fpos64_t _offset, int _whence)); - -#ifndef __SINGLE_THREAD__ - _flock_t _lock; /* for thread-safety locking */ -#endif -}; -typedef struct __sFILE64 __FILE; -#else -typedef struct __sFILE __FILE; -#endif /* __LARGE64_FILES */ - -struct _glue -{ - struct _glue *_next; - int _niobs; - __FILE *_iobs; }; /* @@ -291,17 +175,8 @@ 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 * @@ -310,269 +185,18 @@ struct _rand48 { * 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 layed our with "int"s in pairs, to help - * ports with 16-bit int's but 32-bit pointers, align nicely. */ struct _reent { + /* local copy of errno */ + int _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 _errno; /* local copy of errno */ + struct __sFILE *_stdin, *_stdout, *_stderr; int _inc; /* used by tmpnam */ - - char *_emergency; - - int __sdidinit; /* 1 means stdio has been init'd */ - - int _current_category; /* used by setlocale */ - _CONST char *_current_locale; - - struct _mprec *_mp; - - void _EXFUN((*__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); - - /* atexit stuff */ - struct _atexit *_atexit; - struct _atexit _atexit0; - - struct _glue __sglue; /* root of glue chain */ - __FILE *__sf; /* file descriptors */ - struct __sFILE_fake __sf_fake; /* fake initial stdin/out/err */ - struct _misc_reent *_misc; /* strtok, multibyte states */ - char *_signal_buf; /* strsignal */ -}; - -#define _REENT_INIT(var) \ - { (__FILE *)&var.__sf_fake, \ - (__FILE *)&var.__sf_fake, \ - (__FILE *)&var.__sf_fake, \ - 0, \ - 0, \ - _NULL, \ - 0, \ - 0, \ - "C", \ - _NULL, \ - _NULL, \ - 0, \ - 0, \ - _NULL, \ - _NULL, \ - _NULL, \ - _NULL, \ - _NULL, \ - _NULL, \ - {_NULL, 0, {_NULL}, _NULL}, \ - {_NULL, 0, _NULL}, \ - _NULL, \ - {_NULL, 0, 0, 0, 0, {_NULL, 0}, 0, _NULL}, \ - _NULL, \ - _NULL \ - } - -#define _REENT_INIT_PTR(var) \ - { var->_stdin = (__FILE *)&var->__sf_fake; \ - var->_stdout = (__FILE *)&var->__sf_fake; \ - var->_stderr = (__FILE *)&var->__sf_fake; \ - var->_errno = 0; \ - var->_inc = 0; \ - var->_emergency = _NULL; \ - var->__sdidinit = 0; \ - var->_current_category = 0; \ - var->_current_locale = "C"; \ - var->_mp = _NULL; \ - var->__cleanup = _NULL; \ - var->_gamma_signgam = 0; \ - var->_cvtlen = 0; \ - var->_cvtbuf = _NULL; \ - var->_r48 = _NULL; \ - var->_localtime_buf = _NULL; \ - var->_asctime_buf = _NULL; \ - var->_sig_func = _NULL; \ - var->_atexit = _NULL; \ - var->_atexit0._next = _NULL; \ - var->_atexit0._ind = 0; \ - var->_atexit0._fns[0] = _NULL; \ - var->_atexit0._on_exit_args_ptr = _NULL; \ - var->__sglue._next = _NULL; \ - var->__sglue._niobs = 0; \ - var->__sglue._iobs = _NULL; \ - var->__sf = 0; \ - var->__sf_fake._p = _NULL; \ - var->__sf_fake._r = 0; \ - var->__sf_fake._w = 0; \ - var->__sf_fake._flags = 0; \ - var->__sf_fake._file = 0; \ - var->__sf_fake._bf._base = _NULL; \ - var->__sf_fake._bf._size = 0; \ - var->__sf_fake._lbfsize = 0; \ - var->__sf_fake._data = _NULL; \ - var->_misc = _NULL; \ - var->_signal_buf = _NULL; \ - } - -/* Only built the assert() calls if we are built with debugging. */ -#if DEBUG -#include <assert.h> -#else -#define assert(x) ((void)0) -#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); \ - 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; \ -} 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]; + char _emergency[25]; int _current_category; /* used by setlocale */ _CONST char *_current_locale; @@ -597,22 +221,11 @@ struct _reent { unsigned int _unused_rand; char * _strtok_last; - char _asctime_buf[_REENT_ASCTIME_SIZE]; + char _asctime_buf[26]; 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; } _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 @@ -632,161 +245,22 @@ struct _reent /* signal info */ void (**(_sig_func))(int); - /* These are here last so that __FILE can grow without changing the offsets + /* These are here last so that __sFILE 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 */ - __FILE __sf[3]; /* first three file descriptors */ + struct _glue __sglue; /* root of glue chain */ + struct __sFILE __sf[3]; /* first three file descriptors */ }; -#define _REENT_INIT(var) \ - { 0, \ - &var.__sf[0], \ - &var.__sf[1], \ - &var.__sf[2], \ - 0, \ - "", \ - 0, \ - "C", \ - 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}} \ - } \ - }, \ - _NULL, \ - {_NULL, 0, {_NULL}, {{_NULL}, {_NULL}, 0, 0}}, \ - _NULL, \ - {_NULL, 0, _NULL} \ - } - -#define _REENT_INIT_PTR(var) \ - { var->_errno = 0; \ - var->_stdin = &var->__sf[0]; \ - var->_stdout = &var->__sf[1]; \ - var->_stderr = &var->__sf[2]; \ - var->_inc = 0; \ - memset(&var->_emergency, 0, sizeof(var->_emergency)); \ - var->_current_category = 0; \ - var->_current_locale = "C"; \ - var->__sdidinit = 0; \ - var->__cleanup = _NULL; \ - var->_result = _NULL; \ - var->_result_k = 0; \ - var->_p5s = _NULL; \ - var->_freelist = _NULL; \ - var->_cvtlen = 0; \ - var->_cvtbuf = _NULL; \ - var->_new._reent._unused_rand = 0; \ - var->_new._reent._strtok_last = _NULL; \ - var->_new._reent._asctime_buf[0] = 0; \ - memset(&var->_new._reent._localtime_buf, 0, sizeof(var->_new._reent._localtime_buf)); \ - var->_new._reent._gamma_signgam = 0; \ - 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; \ - var->_new._reent._mblen_state.__count = 0; \ - var->_new._reent._mblen_state.__value.__wch = 0; \ - var->_new._reent._mbtowc_state.__count = 0; \ - var->_new._reent._mbtowc_state.__value.__wch = 0; \ - var->_new._reent._wctomb_state.__count = 0; \ - var->_new._reent._wctomb_state.__value.__wch = 0; \ - var->_new._reent._mbrlen_state.__count = 0; \ - var->_new._reent._mbrlen_state.__value.__wch = 0; \ - var->_new._reent._mbrtowc_state.__count = 0; \ - var->_new._reent._mbrtowc_state.__value.__wch = 0; \ - var->_new._reent._mbsrtowcs_state.__count = 0; \ - var->_new._reent._mbsrtowcs_state.__value.__wch = 0; \ - var->_new._reent._wcrtomb_state.__count = 0; \ - var->_new._reent._wcrtomb_state.__value.__wch = 0; \ - var->_new._reent._wcsrtombs_state.__count = 0; \ - var->_new._reent._wcsrtombs_state.__value.__wch = 0; \ - var->_new._reent._l64a_buf[0] = '\0'; \ - var->_new._reent._signal_buf[0] = '\0'; \ - var->_new._reent._getdate_err = 0; \ - var->_atexit = _NULL; \ - var->_atexit0._next = _NULL; \ - var->_atexit0._ind = 0; \ - var->_atexit0._fns[0] = _NULL; \ - var->_atexit0._on_exit_args._fntypes = 0; \ - var->_atexit0._on_exit_args._fnargs[0] = _NULL; \ - var->_sig_func = _NULL; \ - var->__sglue._next = _NULL; \ - var->__sglue._niobs = 0; \ - var->__sglue._iobs = _NULL; \ - memset(&var->__sf, 0, sizeof(var->__sf)); \ - } - -#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 _NULL 0 +#define _REENT_INIT(var) \ + { 0, &var.__sf[0], &var.__sf[1], &var.__sf[2], 0, "", 0, "C", \ + 0, _NULL, _NULL, 0, _NULL, _NULL, 0, _NULL, { {0, _NULL, "", \ + { 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}} } } + /* * All references to struct _reent are via this pointer. * Internally, newlib routines that need to reference it should use _REENT. @@ -797,26 +271,14 @@ struct _reent #endif extern struct _reent *_impure_ptr __ATTRIBUTE_IMPURE_PTR__; -extern struct _reent *_CONST _global_impure_ptr __ATTRIBUTE_IMPURE_PTR__; void _reclaim_reent _PARAMS ((struct _reent *)); /* #define _REENT_ONLY define this to get only reentrant routines */ #ifndef _REENT_ONLY - -#if defined(__DYNAMIC_REENT__) && !defined(__SINGLE_THREAD__) -#ifndef __getreent - struct _reent * _EXFUN(__getreent, (void)); +#define _REENT _impure_ptr #endif -# define _REENT (__getreent()) -#else /* __SINGLE_THREAD__ || !__DYNAMIC_REENT__ */ -# define _REENT _impure_ptr -#endif /* __SINGLE_THREAD__ || !__DYNAMIC_REENT__ */ - -#endif /* !_REENT_ONLY */ - -#define _GLOBAL_REENT _global_impure_ptr #ifdef __cplusplus } |