/* 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 #include #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 #endif #ifndef __machine_flock_t_defined #include 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 #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; }; extern struct _glue __sglue; /* * 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 #ifdef _REENT_BACKWARD_BINARY_COMPAT #define _REENT_INIT_RESERVED_0 0, #define _REENT_INIT_RESERVED_1 0, #define _REENT_INIT_RESERVED_2 0, #else #define _REENT_INIT_RESERVED_0 /* Nothing to initialize */ #define _REENT_INIT_RESERVED_1 /* Nothing to initialize */ #define _REENT_INIT_RESERVED_2 /* Nothing to initialize */ #endif /* * 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; #ifdef _REENT_BACKWARD_BINARY_COMPAT int _reserved_0; int _reserved_1; #endif 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, \ _REENT_INIT_RESERVED_0 \ _REENT_INIT_RESERVED_1 \ _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, \ _REENT_INIT_RESERVED_0 \ _REENT_INIT_RESERVED_1 \ _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 #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]; #ifdef _REENT_BACKWARD_BINARY_COMPAT int _reserved_1; #endif struct __locale_t *_locale;/* per-thread locale */ #ifdef _REENT_BACKWARD_BINARY_COMPAT int _reserved_0; #endif 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 { #ifdef _REENT_BACKWARD_BINARY_COMPAT unsigned int _reserved_2; #endif 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; #ifdef _REENT_BACKWARD_BINARY_COMPAT struct { unsigned char * _reserved_3[30]; unsigned int _reserved_4[30]; } _reserved_5; #endif } _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). */ # ifndef _REENT_GLOBAL_STDIO_STREAMS struct _glue __sglue; /* root of glue chain */ __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) /* nothing to initialize */ #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, \ "", \ _REENT_INIT_RESERVED_1 \ _NULL, \ _REENT_INIT_RESERVED_0 \ _NULL, \ _NULL, \ 0, \ _NULL, \ _NULL, \ 0, \ _NULL, \ { \ { \ _REENT_INIT_RESERVED_2 \ _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_ */