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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [stdio/] [local.h] - Rev 273
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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 u_char *_EXFUN(__sccl, (char *, u_char *fmt)); extern int _EXFUN(__svfscanf_r,(struct _reent *,FILE *, _CONST char *,va_list)); extern int _EXFUN(__ssvfscanf_r,(struct _reent *,FILE *, _CONST char *,va_list)); extern int _EXFUN(__svfiscanf_r,(struct _reent *,FILE *, _CONST char *,va_list)); extern int _EXFUN(__ssvfiscanf_r,(struct _reent *,FILE *, _CONST char *,va_list)); extern int _EXFUN(__svfwscanf_r,(struct _reent *,FILE *, _CONST wchar_t *,va_list)); extern int _EXFUN(__ssvfwscanf_r,(struct _reent *,FILE *, _CONST wchar_t *,va_list)); extern int _EXFUN(__svfiwscanf_r,(struct _reent *,FILE *, _CONST wchar_t *,va_list)); extern int _EXFUN(__ssvfiwscanf_r,(struct _reent *,FILE *, _CONST wchar_t *,va_list)); int _EXFUN(_svfprintf_r,(struct _reent *, FILE *, const char *, va_list) _ATTRIBUTE ((__format__ (__printf__, 3, 0)))); int _EXFUN(_svfiprintf_r,(struct _reent *, FILE *, const char *, va_list) _ATTRIBUTE ((__format__ (__printf__, 3, 0)))); int _EXFUN(_svfwprintf_r,(struct _reent *, FILE *, const wchar_t *, va_list)); int _EXFUN(_svfiwprintf_r,(struct _reent *, FILE *, const wchar_t *, 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(__seofread,(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)); extern int _EXFUN(__submore, (struct _reent *, FILE *)); #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; } /* * Set the orientation for a stream. If o > 0, the stream has wide- * orientation. If o < 0, the stream has byte-orientation. */ #define ORIENT(fp,ori) \ do \ { \ if (!((fp)->_flags & __SORD)) \ { \ (fp)->_flags |= __SORD; \ if (ori > 0) \ (fp)->_flags2 |= __SWID; \ else \ (fp)->_flags2 &= ~__SWID; \ } \ } \ while (0) /* 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 /* Types used in positional argument support in vfprinf/vfwprintf. The implementation is char/wchar_t dependent but the class and state tables are only defined once in vfprintf.c. */ typedef enum { ZERO, /* '0' */ DIGIT, /* '1-9' */ DOLLAR, /* '$' */ MODFR, /* spec modifier */ SPEC, /* format specifier */ DOT, /* '.' */ STAR, /* '*' */ FLAG, /* format flag */ OTHER, /* all other chars */ MAX_CH_CLASS /* place-holder */ } __CH_CLASS; typedef enum { START, /* start */ SFLAG, /* seen a flag */ WDIG, /* seen digits in width area */ WIDTH, /* processed width */ SMOD, /* seen spec modifier */ SDOT, /* seen dot */ VARW, /* have variable width specifier */ VARP, /* have variable precision specifier */ PREC, /* processed precision */ VWDIG, /* have digits in variable width specification */ VPDIG, /* have digits in variable precision specification */ DONE, /* done */ MAX_STATE, /* place-holder */ } __STATE; typedef enum { NOOP, /* do nothing */ NUMBER, /* build a number from digits */ SKIPNUM, /* skip over digits */ GETMOD, /* get and process format modifier */ GETARG, /* get and process argument */ GETPW, /* get variable precision or width */ GETPWB, /* get variable precision or width and pushback fmt char */ GETPOS, /* get positional parameter value */ PWPOS, /* get positional parameter value for variable width or precision */ } __ACTION; extern _CONST __CH_CLASS __chclass[256]; extern _CONST __STATE __state_table[MAX_STATE][MAX_CH_CLASS]; extern _CONST __ACTION __action_table[MAX_STATE][MAX_CH_CLASS];
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