newlib-cygwin/newlib/libc/stdio/local.h

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/*
* Copyright (c) 1990 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 <stdarg.h>
#include <reent.h>
#include <unistd.h>
extern int _EXFUN(__svfscanf_r,(struct _reent *,FILE *, _CONST char *,va_list));
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extern FILE *_EXFUN(__sfp,(struct _reent *));
extern int _EXFUN(__sflags,(struct _reent *,_CONST char*, int*));
extern int _EXFUN(__srefill,(FILE *));
extern _READ_WRITE_RETURN_TYPE _EXFUN(__sread,(void *, char *, int));
extern _READ_WRITE_RETURN_TYPE _EXFUN(__swrite,(void *, char const *, int));
extern _fpos_t _EXFUN(__sseek,(void *, _fpos_t, int));
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extern int _EXFUN(__sclose,(void *));
extern int _EXFUN(__stextmode,(int));
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extern void _EXFUN(__sinit,(struct _reent *));
extern void _EXFUN(_cleanup_r,(struct _reent *));
extern void _EXFUN(__smakebuf,(FILE *));
extern int _EXFUN(_fwalk,(struct _reent *, int (*)(FILE *)));
struct _glue * _EXFUN(__sfmoreglue,(struct _reent *,int n));
extern int _EXFUN(__srefill,(FILE *fp));
/* Called by the main entry point fns to ensure stdio has been initialized. */
#define CHECK_INIT(fp) \
do \
{ \
2003-08-22 Jeff Johnston <jjohnstn@redhat.com> * libc/include/sys/reent.h: Add _GLOBAL_REENT macro. * libc/stdio: Globally remove/replace all references to fp->_data. Replace with _REENT or _GLOBAL_REENT where appropriate. * libc/stdio/asprintf.c: Ditto. * libc/stdio/fclose.c: Ditto. * libc/stdio/fvwrite.c: Ditto. * libc/stdio/makebuf.c: Ditto. * libc/stdio/refill.c: Ditto. * libc/stdio/local.h: Ditto. * libc/stdio/setvbuf.c: Ditto. * libc/stdio/sscanf.c: Ditto. * libc/stdio/stdio.c: Ditto. * libc/stdio/ungetc.c: Ditto. * libc/stdio/vfscanf.c: Ditto. * libc/stdio/vsscanf.c: Ditto. * libc/stdio/fopen.c: Ditto. Also use _fseek_r in _fopen_r. * libc/stdio/vasprintf.c: Ditto. Also call _vfprintf_r directly. * libc/stdio/vsnprintf.c: Ditto. * libc/stdio/vsprintf.c: Ditto. * libc/stdio/fcloseall.c(fcloseall): Use _GLOBAL_REENT macro instead of _REENT to walk file list. * libc/stdio/fflush.c: Ditto. * libc/stdio/fgetpos.c: Add reentrant version and have regular version call reentrant version with _REENT argument. * libc/stdio/fsetpos.c: Ditto. * libc/stdio/fseek.c: Ditto. * libc/stdio/fseeko.c: Ditto. * libc/stdio/ftell.c: Ditto. * libc/stdio/ftello.c: Ditto. * libc/stdio/freopen.c: Ditto. * libc/stdio/findfp.c: Use _GLOBAL_REENT pointer when adding new files to chain. Also use _GLOBAL_REENT pointer for cleaning up. * libc/stdio/fiprintf.c: Reformatted to minimize duplicate code. * libc/stdio/siprintf.c: Ditto. * libc/stdio/iprintf.c: Ditto. * libc/stdio/fprintf.c: Ditto. * libc/stdio/printf.c: Ditto. * libc/stdio/snprintf.c: Call _vfprintf_r directly. * libc/stdio/sprintf.c: Ditto. * libc/stdio/vprintf.c: Ditto. Also add _REENT_ONLY check. * libc/stdio/rewind.c: Call _fseek_r directly. * libc/stdio/tmpfile.c: Call _fopen_r and _remove_r directly. * libc/stdio/vfprintf.c (_VFPRINTF_R): Change _r routines to use data pointer. (get_arg): Add extra struct _reent pointer argument. * libc/stdio64/fgetpos64.c: Add _r versions, remove any reference to fp->_data. * libc/stdio64/fopen64.c: Ditto. * libc/stdio64/freopen64.c: Ditto. * libc/stdio64/fsetpos64.c: Ditto. * libc/stdio64/ftello64.c: Ditto. * libc/stdio64/local64.h: Ditto. * libc/stdio64/stdio64.c: Ditto. * libc/stdio64/fseeko64.c: Ditto plus use _fstat_r instead of _fstat64_r for the meantime.
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if (!_REENT->__sdidinit) \
__sinit (_REENT); \
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} \
while (0)
/* Return true iff the given FILE cannot be written now. */
#define cantwrite(fp) \
((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \
__swsetup(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(fp) { \
if ((fp)->_ub._base != (fp)->_ubuf) \
2003-08-22 Jeff Johnston <jjohnstn@redhat.com> * libc/include/sys/reent.h: Add _GLOBAL_REENT macro. * libc/stdio: Globally remove/replace all references to fp->_data. Replace with _REENT or _GLOBAL_REENT where appropriate. * libc/stdio/asprintf.c: Ditto. * libc/stdio/fclose.c: Ditto. * libc/stdio/fvwrite.c: Ditto. * libc/stdio/makebuf.c: Ditto. * libc/stdio/refill.c: Ditto. * libc/stdio/local.h: Ditto. * libc/stdio/setvbuf.c: Ditto. * libc/stdio/sscanf.c: Ditto. * libc/stdio/stdio.c: Ditto. * libc/stdio/ungetc.c: Ditto. * libc/stdio/vfscanf.c: Ditto. * libc/stdio/vsscanf.c: Ditto. * libc/stdio/fopen.c: Ditto. Also use _fseek_r in _fopen_r. * libc/stdio/vasprintf.c: Ditto. Also call _vfprintf_r directly. * libc/stdio/vsnprintf.c: Ditto. * libc/stdio/vsprintf.c: Ditto. * libc/stdio/fcloseall.c(fcloseall): Use _GLOBAL_REENT macro instead of _REENT to walk file list. * libc/stdio/fflush.c: Ditto. * libc/stdio/fgetpos.c: Add reentrant version and have regular version call reentrant version with _REENT argument. * libc/stdio/fsetpos.c: Ditto. * libc/stdio/fseek.c: Ditto. * libc/stdio/fseeko.c: Ditto. * libc/stdio/ftell.c: Ditto. * libc/stdio/ftello.c: Ditto. * libc/stdio/freopen.c: Ditto. * libc/stdio/findfp.c: Use _GLOBAL_REENT pointer when adding new files to chain. Also use _GLOBAL_REENT pointer for cleaning up. * libc/stdio/fiprintf.c: Reformatted to minimize duplicate code. * libc/stdio/siprintf.c: Ditto. * libc/stdio/iprintf.c: Ditto. * libc/stdio/fprintf.c: Ditto. * libc/stdio/printf.c: Ditto. * libc/stdio/snprintf.c: Call _vfprintf_r directly. * libc/stdio/sprintf.c: Ditto. * libc/stdio/vprintf.c: Ditto. Also add _REENT_ONLY check. * libc/stdio/rewind.c: Call _fseek_r directly. * libc/stdio/tmpfile.c: Call _fopen_r and _remove_r directly. * libc/stdio/vfprintf.c (_VFPRINTF_R): Change _r routines to use data pointer. (get_arg): Add extra struct _reent pointer argument. * libc/stdio64/fgetpos64.c: Add _r versions, remove any reference to fp->_data. * libc/stdio64/fopen64.c: Ditto. * libc/stdio64/freopen64.c: Ditto. * libc/stdio64/fsetpos64.c: Ditto. * libc/stdio64/ftello64.c: Ditto. * libc/stdio64/local64.h: Ditto. * libc/stdio64/stdio64.c: Ditto. * libc/stdio64/fseeko64.c: Ditto plus use _fstat_r instead of _fstat64_r for the meantime.
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_free_r(_REENT, (char *)(fp)->_ub._base); \
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(fp)->_ub._base = NULL; \
}
/* Test for an fgetline() buffer. */
#define HASLB(fp) ((fp)->_lb._base != NULL)
2003-08-22 Jeff Johnston <jjohnstn@redhat.com> * libc/include/sys/reent.h: Add _GLOBAL_REENT macro. * libc/stdio: Globally remove/replace all references to fp->_data. Replace with _REENT or _GLOBAL_REENT where appropriate. * libc/stdio/asprintf.c: Ditto. * libc/stdio/fclose.c: Ditto. * libc/stdio/fvwrite.c: Ditto. * libc/stdio/makebuf.c: Ditto. * libc/stdio/refill.c: Ditto. * libc/stdio/local.h: Ditto. * libc/stdio/setvbuf.c: Ditto. * libc/stdio/sscanf.c: Ditto. * libc/stdio/stdio.c: Ditto. * libc/stdio/ungetc.c: Ditto. * libc/stdio/vfscanf.c: Ditto. * libc/stdio/vsscanf.c: Ditto. * libc/stdio/fopen.c: Ditto. Also use _fseek_r in _fopen_r. * libc/stdio/vasprintf.c: Ditto. Also call _vfprintf_r directly. * libc/stdio/vsnprintf.c: Ditto. * libc/stdio/vsprintf.c: Ditto. * libc/stdio/fcloseall.c(fcloseall): Use _GLOBAL_REENT macro instead of _REENT to walk file list. * libc/stdio/fflush.c: Ditto. * libc/stdio/fgetpos.c: Add reentrant version and have regular version call reentrant version with _REENT argument. * libc/stdio/fsetpos.c: Ditto. * libc/stdio/fseek.c: Ditto. * libc/stdio/fseeko.c: Ditto. * libc/stdio/ftell.c: Ditto. * libc/stdio/ftello.c: Ditto. * libc/stdio/freopen.c: Ditto. * libc/stdio/findfp.c: Use _GLOBAL_REENT pointer when adding new files to chain. Also use _GLOBAL_REENT pointer for cleaning up. * libc/stdio/fiprintf.c: Reformatted to minimize duplicate code. * libc/stdio/siprintf.c: Ditto. * libc/stdio/iprintf.c: Ditto. * libc/stdio/fprintf.c: Ditto. * libc/stdio/printf.c: Ditto. * libc/stdio/snprintf.c: Call _vfprintf_r directly. * libc/stdio/sprintf.c: Ditto. * libc/stdio/vprintf.c: Ditto. Also add _REENT_ONLY check. * libc/stdio/rewind.c: Call _fseek_r directly. * libc/stdio/tmpfile.c: Call _fopen_r and _remove_r directly. * libc/stdio/vfprintf.c (_VFPRINTF_R): Change _r routines to use data pointer. (get_arg): Add extra struct _reent pointer argument. * libc/stdio64/fgetpos64.c: Add _r versions, remove any reference to fp->_data. * libc/stdio64/fopen64.c: Ditto. * libc/stdio64/freopen64.c: Ditto. * libc/stdio64/fsetpos64.c: Ditto. * libc/stdio64/ftello64.c: Ditto. * libc/stdio64/local64.h: Ditto. * libc/stdio64/stdio64.c: Ditto. * libc/stdio64/fseeko64.c: Ditto plus use _fstat_r instead of _fstat64_r for the meantime.
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#define FREELB(fp) { _free_r(_REENT,(char *)(fp)->_lb._base); (fp)->_lb._base = NULL; }
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/* 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 */