--- /dev/null
+/*-
+ * Copyright (c) 1990, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Chris Torek.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)local.h 8.3 (Berkeley) 7/3/94
+ * $FreeBSD: src/lib/libc/stdio/local.h,v 1.21 2002/10/25 07:01:56 tjr Exp $
+ */
+
+#include <sys/types.h> /* for off_t */
+#include <pthread.h>
+#include <string.h>
+#include <wchar.h>
+
+/*
+ * Information local to this implementation of stdio,
+ * in particular, macros and private variables.
+ */
+
+extern int _sread(FILE *, char *, int);
+extern int _swrite(FILE *, char const *, int);
+extern fpos_t _sseek(FILE *, fpos_t, int);
+extern int _ftello(FILE *, fpos_t *);
+extern int _fseeko(FILE *, off_t, int, int);
+extern int __fflush(FILE *fp);
+extern wint_t __fgetwc(FILE *);
+extern wint_t __fputwc(wchar_t, FILE *);
+extern int __sflush(FILE *);
+extern FILE *__sfp(void);
+extern int __srefill(FILE *);
+extern int __sread(void *, char *, int);
+extern int __swrite(void *, char const *, int);
+extern fpos_t __sseek(void *, fpos_t, int);
+extern int __sclose(void *);
+extern void __sinit(void);
+extern void _cleanup(void);
+extern void (*__cleanup)(void);
+extern void __smakebuf(FILE *);
+extern int __swhatbuf(FILE *, size_t *, int *);
+extern int _fwalk(int (*)(FILE *));
+extern int __svfscanf(FILE *, const char *, __va_list);
+extern int __swsetup(FILE *);
+extern int __sflags(const char *, int *);
+extern int __ungetc(int, FILE *);
+extern wint_t __ungetwc(wint_t, FILE *);
+extern int __vfprintf(FILE *, const char *, __va_list);
+extern int __vfscanf(FILE *, const char *, __va_list);
+extern int __vfwprintf(FILE *, const wchar_t *, __va_list);
+extern int __vfwscanf(FILE * __restrict, const wchar_t * __restrict,
+ __va_list);
+
+extern int __sdidinit;
+
+
+/* hold a buncha junk that would grow the ABI */
+struct __sFILEX {
+ unsigned char *_up; /* saved _p when _p is doing ungetc data */
+ pthread_mutex_t fl_mutex; /* used for MT-safety */
+ pthread_t fl_owner; /* current owner */
+ int fl_count; /* recursive lock count */
+ int orientation; /* orientation for fwide() */
+#ifdef notdef
+ /*
+ * XXX These are not used yet -- they will be used to store the
+ * multibyte conversion state for writing and reading when
+ * stateful encodings are supported by the locale framework.
+ */
+ mbstate_t wstate; /* write conversion state */
+ mbstate_t rstate; /* read conversion state */
+#endif
+};
+
+/*
+ * Return true iff the given FILE cannot be written now.
+ */
+#define cantwrite(fp) \
+ ((((fp)->_flags & __SWR) == 0 || \
+ ((fp)->_bf._base == NULL && ((fp)->_flags & __SSTR) == 0)) && \
+ __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((char *)(fp)->_ub._base); \
+ (fp)->_ub._base = NULL; \
+}
+
+/*
+ * test for an fgetln() buffer.
+ */
+#define HASLB(fp) ((fp)->_lb._base != NULL)
+#define FREELB(fp) { \
+ free((char *)(fp)->_lb._base); \
+ (fp)->_lb._base = NULL; \
+}
+
+#define INITEXTRA(fp) { \
+ (fp)->_extra->_up = NULL; \
+ (fp)->_extra->fl_mutex = PTHREAD_MUTEX_INITIALIZER; \
+ (fp)->_extra->fl_owner = NULL; \
+ (fp)->_extra->fl_count = 0; \
+ (fp)->_extra->orientation = 0; \
+ /* memset(&(fp)->_extra->wstate, 0, sizeof(mbstate_t)); */ \
+ /* memset(&(fp)->_extra->rstate, 0, sizeof(mbstate_t)); */ \
+}
+
+/*
+ * 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, o) do { \
+ if ((fp)->_extra->orientation == 0) \
+ (fp)->_extra->orientation = (o); \
+} while (0)
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