diff options
Diffstat (limited to 'newlib/libc/stdio/local.h')
| -rw-r--r-- | newlib/libc/stdio/local.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/newlib/libc/stdio/local.h b/newlib/libc/stdio/local.h new file mode 100644 index 00000000000..71e80cc091c --- /dev/null +++ b/newlib/libc/stdio/local.h @@ -0,0 +1,90 @@ +/* + * 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,(FILE *, _CONST char *,va_list)); +extern FILE *_EXFUN(__sfp,(struct _reent *)); +extern int _EXFUN(__sflags,(struct _reent *,_CONST char*, int*)); +extern int _EXFUN(__srefill,(FILE *)); +extern int _EXFUN(__sread,(void *, char *, int)); +extern int _EXFUN(__swrite,(void *, char const *, int)); +extern fpos_t _EXFUN(__sseek,(void *, fpos_t, int)); +extern int _EXFUN(__sclose,(void *)); +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 \ + { \ + if ((fp)->_data == 0) \ + (fp)->_data = _REENT; \ + if (!(fp)->_data->__sdidinit) \ + __sinit ((fp)->_data); \ + } \ + 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) \ + _free_r(fp->_data, (char *)(fp)->_ub._base); \ + (fp)->_ub._base = NULL; \ +} + +/* Test for an fgetline() buffer. */ + +#define HASLB(fp) ((fp)->_lb._base != NULL) +#define FREELB(fp) { _free_r(fp->_data,(char *)(fp)->_lb._base); (fp)->_lb._base = NULL; } + +/* 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 */ |