add circuitpython code

14 files changed, 665 insertions, 0 deletions

diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/Makefile b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/Makefile
new file mode 120000
index 0000000..d0b0e8e
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/Makefile
@@ -0,0 +1 @@
+../Makefile
\ No newline at end of file
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/OTHER_PATCHES b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/OTHER_PATCHES
new file mode 100644
index 0000000..85027c9
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/OTHER_PATCHES
@@ -0,0 +1,19 @@
+*** PORT/db/recno/rec_open.c.orig	Mon Aug 16 16:29:18 1993
+--- PORT/db/recno/rec_open.c	Mon Aug 16 16:29:35 1993
+***************
+*** 159,165 ****
+  			else {
+  				t->bt_msize = sb.st_size;
+  				if ((t->bt_smap = mmap(NULL, t->bt_msize,
+! 				    PROT_READ, MAP_PRIVATE, rfd,
+  				    (off_t)0)) == (caddr_t)-1)
+  					goto slow;
+  				t->bt_cmap = t->bt_smap;
+--- 159,165 ----
+  			else {
+  				t->bt_msize = sb.st_size;
+  				if ((t->bt_smap = mmap(NULL, t->bt_msize,
+! 				    PROT_READ, MAP_FILE | MAP_PRIVATE, rfd,
+  				    (off_t)0)) == (caddr_t)-1)
+  					goto slow;
+  				t->bt_cmap = t->bt_smap;
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/clib b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/clib
new file mode 120000
index 0000000..f0f4f38
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/clib
@@ -0,0 +1 @@
+../clib
\ No newline at end of file
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/assert.h b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/assert.h
new file mode 100644
index 0000000..f455fe8
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/assert.h
@@ -0,0 +1,54 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ *	@(#)assert.h	4.4 (Berkeley) 4/3/91
+ */
+
+#ifndef _ASSERT_H_
+#define	_ASSERT_H_
+
+#ifdef NDEBUG
+#define	assert(expression)
+#define	_assert(expression)
+#else
+#define	assert(expression) { \
+	if (!(expression)) { \
+		(void)fprintf(stderr, \
+		    "assertion \"%s\" failed: file \"%s\", line %d\n", \
+		    "expression", __FILE__, __LINE__); \
+		exit(2); \
+	} \
+}
+#define	_assert(expression)	assert(expression)
+#endif
+
+#endif /* !_ASSERT_H_ */
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/cdefs.h b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/cdefs.h
new file mode 120000
index 0000000..d248490
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/cdefs.h
@@ -0,0 +1 @@
+../../include/cdefs.h
\ No newline at end of file
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/compat.h b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/compat.h
new file mode 100644
index 0000000..ae735ef
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/compat.h
@@ -0,0 +1,231 @@
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * 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.
+ *
+ *	@(#)compat.h	8.13 (Berkeley) 2/21/94
+ */
+
+#ifndef	_COMPAT_H_
+#define	_COMPAT_H_
+
+#include <sys/types.h>
+
+/*
+ * If your system doesn't typedef u_long, u_short, or u_char, change
+ * the 0 to a 1.
+ */
+#if 0
+typedef unsigned char	u_char;		/* 4.[34]BSD names. */
+typedef unsigned int	u_int;
+typedef unsigned long	u_long;
+typedef unsigned short	u_short;
+#endif
+
+/* If your system doesn't typedef size_t, change the 0 to a 1. */
+#if 0
+typedef unsigned int	size_t;		/* POSIX, 4.[34]BSD names. */
+#endif
+
+/* If your system doesn't typedef ssize_t, change the 0 to a 1. */
+#if 0
+typedef	int		ssize_t;	/* POSIX names. */
+#endif
+
+/*
+ * If your system doesn't have the POSIX type for a signal mask,
+ * change the 0 to a 1.
+ */
+#if 0					/* POSIX 1003.1 signal mask type. */
+typedef unsigned int	sigset_t;
+#endif
+
+/*
+ * If your system's vsprintf returns a char *, not an int,
+ * change the 0 to a 1.
+ */
+#if 0
+#define	VSPRINTF_CHARSTAR
+#endif
+
+/*
+ * If you don't have POSIX 1003.1 signals, the signal code surrounding the 
+ * temporary file creation is intended to block all of the possible signals
+ * long enough to create the file and unlink it.  All of this stuff is
+ * intended to use old-style BSD calls to fake POSIX 1003.1 calls.
+ */
+#ifdef	NO_POSIX_SIGNALS
+#define	sigemptyset(set)	(*(set) = 0)
+#define	sigfillset(set)		(*(set) = ~(sigset_t)0, 0)
+#define	sigaddset(set,signo)	(*(set) |= sigmask(signo), 0)
+#define	sigdelset(set,signo)	(*(set) &= ~sigmask(signo), 0)
+#define	sigismember(set,signo)	((*(set) & sigmask(signo)) != 0)
+
+#define	SIG_BLOCK	1
+#define	SIG_UNBLOCK	2
+#define	SIG_SETMASK	3
+
+static int __sigtemp;		/* For the use of sigprocmask */
+
+/* Repeated test of oset != NULL is to avoid "*0". */
+#define	sigprocmask(how, set, oset)					\
+	((__sigtemp =							\
+	(((how) == SIG_BLOCK) ?						\
+		sigblock(0) | *(set) :					\
+	(((how) == SIG_UNBLOCK) ?					\
+		sigblock(0) & ~(*(set)) :				\
+	((how) == SIG_SETMASK ?						\
+		*(set) : sigblock(0))))),				\
+	((oset) ? (*(oset ? oset : set) = sigsetmask(__sigtemp)) :	\
+		sigsetmask(__sigtemp)), 0)
+#endif
+
+/*
+ * If your system doesn't have an include file with the appropriate
+ * byte order set, make sure you specify the correct one.
+ */
+#ifndef BYTE_ORDER
+#define	LITTLE_ENDIAN	1234		/* LSB first: i386, vax */
+#define	BIG_ENDIAN	4321		/* MSB first: 68000, ibm, net */
+#define	BYTE_ORDER	LITTLE_ENDIAN	/* Set for your system. */
+#endif
+
+#if defined(SYSV) || defined(SYSTEM5)
+#define	index(a, b)		strchr(a, b)
+#define	rindex(a, b)		strrchr(a, b)
+#define	bzero(a, b)		memset(a, 0, b)
+#define	bcmp(a, b, n)		memcmp(a, b, n)
+#define	bcopy(a, b, n)		memmove(b, a, n)
+#endif
+
+#if defined(BSD) || defined(BSD4_3)
+#define	strchr(a, b)		index(a, b)
+#define	strrchr(a, b)		rindex(a, b)
+#define	memcmp(a, b, n)		bcmp(a, b, n)
+#define	memmove(a, b, n)	bcopy(b, a, n)
+#endif
+
+/*
+ * 32-bit machine.  The db routines are theoretically independent of
+ * the size of u_shorts and u_longs, but I don't know that anyone has
+ * ever actually tried it.  At a minimum, change the following #define's
+ * if you are trying to compile on a different type of system.
+ */
+#ifndef USHRT_MAX
+#define	USHRT_MAX		0xFFFF
+#define	ULONG_MAX		0xFFFFFFFF
+#endif
+
+#ifndef O_ACCMODE			/* POSIX 1003.1 access mode mask. */
+#define	O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
+#endif
+
+#ifndef	_POSIX2_RE_DUP_MAX		/* POSIX 1003.2 RE limit. */
+#define	_POSIX2_RE_DUP_MAX	255
+#endif
+
+/*
+ * If you can't provide lock values in the open(2) call.  Note, this
+ * allows races to happen.
+ */
+#ifndef O_EXLOCK			/* 4.4BSD extension. */
+#define	O_EXLOCK	0
+#endif
+
+#ifndef O_SHLOCK			/* 4.4BSD extension. */
+#define	O_SHLOCK	0
+#endif
+
+#ifndef EFTYPE
+#define	EFTYPE		EINVAL		/* POSIX 1003.1 format errno. */
+#endif
+
+#ifndef	WCOREDUMP			/* 4.4BSD extension */
+#define	WCOREDUMP(a)	0
+#endif
+
+#ifndef	STDERR_FILENO
+#define	STDIN_FILENO	0		/* ANSI C #defines */
+#define	STDOUT_FILENO	1
+#define	STDERR_FILENO	2
+#endif
+
+#ifndef SEEK_END
+#define	SEEK_SET	0		/* POSIX 1003.1 seek values */
+#define	SEEK_CUR	1
+#define	SEEK_END	2
+#endif
+
+#ifndef _POSIX_VDISABLE			/* POSIX 1003.1 disabling char. */
+#define	_POSIX_VDISABLE	0		/* Some systems used 0. */
+#endif
+
+#ifndef	TCSASOFT			/* 4.4BSD extension. */
+#define	TCSASOFT	0
+#endif
+
+#ifndef _POSIX2_RE_DUP_MAX		/* POSIX 1003.2 values. */
+#define	_POSIX2_RE_DUP_MAX	255
+#endif
+
+#ifndef NULL				/* ANSI C #defines NULL everywhere. */
+#define	NULL		0
+#endif
+
+#ifndef	MAX				/* Usually found in <sys/param.h>. */
+#define	MAX(_a,_b)	((_a)<(_b)?(_b):(_a))
+#endif
+#ifndef	MIN				/* Usually found in <sys/param.h>. */
+#define	MIN(_a,_b)	((_a)<(_b)?(_a):(_b))
+#endif
+
+/* Default file permissions. */
+#ifndef DEFFILEMODE			/* 4.4BSD extension. */
+#define	DEFFILEMODE	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
+#endif
+
+#ifndef S_ISDIR				/* POSIX 1003.1 file type tests. */
+#define	S_ISDIR(m)	((m & 0170000) == 0040000)	/* directory */
+#define	S_ISCHR(m)	((m & 0170000) == 0020000)	/* char special */
+#define	S_ISBLK(m)	((m & 0170000) == 0060000)	/* block special */
+#define	S_ISREG(m)	((m & 0170000) == 0100000)	/* regular file */
+#define	S_ISFIFO(m)	((m & 0170000) == 0010000)	/* fifo */
+#endif
+#ifndef S_ISLNK				/* BSD POSIX 1003.1 extensions */
+#define	S_ISLNK(m)	((m & 0170000) == 0120000)	/* symbolic link */
+#define	S_ISSOCK(m)	((m & 0170000) == 0140000)	/* socket */
+#endif
+
+/* The type of a va_list. */
+#ifndef _BSD_VA_LIST_			/* 4.4BSD #define. */
+#define	_BSD_VA_LIST_	char *
+#endif
+
+#endif /* !_COMPAT_H_ */
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/db.h b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/db.h
new file mode 120000
index 0000000..44c1ba4
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/db.h
@@ -0,0 +1 @@
+../../include/db.h
\ No newline at end of file
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/mpool.h b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/mpool.h
new file mode 120000
index 0000000..03f870c
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/mpool.h
@@ -0,0 +1 @@
+../../include/mpool.h
\ No newline at end of file
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/ndbm.h b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/ndbm.h
new file mode 120000
index 0000000..a1a41a8
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/ndbm.h
@@ -0,0 +1 @@
+../../include/ndbm.h
\ No newline at end of file
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/queue.h b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/queue.h
new file mode 120000
index 0000000..e54c7cf
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/include/queue.h
@@ -0,0 +1 @@
+../../include/queue.h
\ No newline at end of file
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/local/local.h b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/local/local.h
new file mode 100644
index 0000000..21966d7
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/local/local.h
@@ -0,0 +1,87 @@
+/*-
+ * Copyright (c) 1990 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	5.3 (Berkeley) 5/6/93
+ */
+
+/*
+ * Information local to this implementation of stdio,
+ * in particular, macros and private variables.
+ */
+
+int	__sflush __P((FILE *));
+FILE	*__sfp __P((void));
+int	__srefill __P((FILE *));
+int	__sread __P((void *, char *, int));
+int	__swrite __P((void *, char const *, int));
+fpos_t	__sseek __P((void *, fpos_t, int));
+int	__sclose __P((void *));
+void	__sinit __P((void));
+void	_cleanup __P((void));
+void	(*__cleanup) __P((void));
+void	__smakebuf __P((FILE *));
+int	__swhatbuf __P((FILE *, size_t *, int *));
+int	_fwalk __P((int (*)(FILE *)));
+int	__swsetup __P((FILE *));
+int	__sflags __P((const char *, int *));
+
+extern int __sdidinit;
+
+/*
+ * 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((char *)(fp)->_ub._base); \
+	(fp)->_ub._base = NULL; \
+}
+
+/*
+ * test for an fgetline() buffer.
+ */
+#define	HASLB(fp) ((fp)->_lb._base != NULL)
+#define	FREELB(fp) { \
+	free((char *)(fp)->_lb._base); \
+	(fp)->_lb._base = NULL; \
+}
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/local/makebuf.c b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/local/makebuf.c
new file mode 100644
index 0000000..cb87e60
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/local/makebuf.c
@@ -0,0 +1,118 @@
+/*-
+ * Copyright (c) 1990 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)makebuf.c	5.3 (Berkeley) 5/6/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "local.h"
+
+/*
+ * Allocate a file buffer, or switch to unbuffered I/O.
+ * Per the ANSI C standard, ALL tty devices default to line buffered.
+ *
+ * As a side effect, we set __SOPT or __SNPT (en/dis-able fseek
+ * optimisation) right after the fstat() that finds the buffer size.
+ */
+void
+__smakebuf(fp)
+	register FILE *fp;
+{
+	register void *p;
+	register int flags;
+	size_t size;
+	int couldbetty;
+
+	if (fp->_flags & __SNBF) {
+		fp->_bf._base = fp->_p = fp->_nbuf;
+		fp->_bf._size = 1;
+		return;
+	}
+	flags = __swhatbuf(fp, &size, &couldbetty);
+	if ((p = malloc(size)) == NULL) {
+		fp->_flags |= __SNBF;
+		fp->_bf._base = fp->_p = fp->_nbuf;
+		fp->_bf._size = 1;
+		return;
+	}
+	__cleanup = _cleanup;
+	flags |= __SMBF;
+	fp->_bf._base = fp->_p = p;
+	fp->_bf._size = size;
+	if (couldbetty && isatty(fp->_file))
+		flags |= __SLBF;
+	fp->_flags |= flags;
+}
+
+/*
+ * Internal routine to determine `proper' buffering for a file.
+ */
+int
+__swhatbuf(fp, bufsize, couldbetty)
+	register FILE *fp;
+	size_t *bufsize;
+	int *couldbetty;
+{
+	struct stat st;
+
+	if (fp->_file < 0 || fstat(fp->_file, &st) < 0) {
+		*couldbetty = 0;
+		*bufsize = BUFSIZ;
+		return (__SNPT);
+	}
+
+	/* could be a tty iff it is a character device */
+	*couldbetty = (st.st_mode & S_IFMT) == S_IFCHR;
+	if (st.st_blksize <= 0) {
+		*bufsize = BUFSIZ;
+		return (__SNPT);
+	}
+
+	/*
+	 * Optimise fseek() only if it is a regular file.  (The test for
+	 * __sseek is mainly paranoia.)  It is safe to set _blksize
+	 * unconditionally; it will only be used if __SOPT is also set.
+	 */
+	*bufsize = st.st_blksize;
+	fp->_blksize = st.st_blksize;
+	return ((st.st_mode & S_IFMT) == S_IFREG && fp->_seek == __sseek ?
+	    __SOPT : __SNPT);
+}
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/local/setvbuf.c b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/local/setvbuf.c
new file mode 100644
index 0000000..41bb16b
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/local/setvbuf.c
@@ -0,0 +1,148 @@
+/*-
+ * Copyright (c) 1990 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+! static char sccsid[] = "@(#)setvbuf.c	5.5 (Berkeley) 5/6/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "local.h"
+
+/*
+ * Set one of the three kinds of buffering, optionally including
+ * a buffer.
+ */
+setvbuf(fp, buf, mode, size)
+	register FILE *fp;
+	char *buf;
+	register int mode;
+	register size_t size;
+{
+	register int ret, flags;
+	size_t iosize;
+	int ttyflag;
+
+	/*
+	 * Verify arguments.  The `int' limit on `size' is due to this
+	 * particular implementation.  Note, buf and size are ignored
+	 * when setting _IONBF.
+	 */
+	if (mode != _IONBF)
+		if ((mode != _IOFBF && mode != _IOLBF) || (int)size < 0)
+			return (EOF);
+
+	/*
+	 * Write current buffer, if any.  Discard unread input, cancel
+	 * line buffering, and free old buffer if malloc()ed.
+	 */
+	ret = 0;
+	(void)__sflush(fp);
+	fp->_r = fp->_lbfsize = 0;
+	flags = fp->_flags;
+	if (flags & __SMBF)
+		free((void *)fp->_bf._base);
+	flags &= ~(__SLBF | __SNBF | __SMBF | __SOPT | __SNPT);
+
+	/* If setting unbuffered mode, skip all the hard work. */
+	if (mode == _IONBF)
+		goto nbf;
+
+	/*
+	 * Find optimal I/O size for seek optimization.  This also returns
+	 * a `tty flag' to suggest that we check isatty(fd), but we do not
+	 * care since our caller told us how to buffer.
+	 */
+	flags |= __swhatbuf(fp, &iosize, &ttyflag);
+	if (size == 0) {
+		buf = NULL;	/* force local allocation */
+		size = iosize;
+	}
+
+	/* Allocate buffer if needed. */
+	if (buf == NULL) {
+		if ((buf = malloc(size)) == NULL) {
+			/*
+			 * Unable to honor user's request.  We will return
+			 * failure, but try again with file system size.
+			 */
+			ret = EOF;
+			if (size != iosize) {
+				size = iosize;
+				buf = malloc(size);
+			}
+		}
+		if (buf == NULL) {
+			/* No luck; switch to unbuffered I/O. */
+nbf:
+			fp->_flags = flags | __SNBF;
+			fp->_w = 0;
+			fp->_bf._base = fp->_p = fp->_nbuf;
+			fp->_bf._size = 1;
+			return (ret);
+		}
+		flags |= __SMBF;
+	}
+
+	/*
+	 * Kill any seek optimization if the buffer is not the
+	 * right size.
+	 *
+	 * SHOULD WE ALLOW MULTIPLES HERE (i.e., ok iff (size % iosize) == 0)?
+	 */
+	if (size != iosize)
+		flags |= __SNPT;
+
+	/*
+	 * Fix up the FILE fields, and set __cleanup for output flush on
+	 * exit (since we are buffered in some way).  If in r/w mode, go
+	 * to the intermediate state, so that everyone has to call
+	 * __srefill or __swsetup on the first operation -- it is more
+	 * trouble than it is worth to set things up correctly here.
+	 */
+	if (mode == _IOLBF)
+		flags |= __SLBF;
+	if (flags & __SRW)
+		flags &= ~(__SRD | __SWR);
+	fp->_w = 0;
+	fp->_flags = flags;
+	fp->_bf._base = fp->_p = (unsigned char *)buf;
+	fp->_bf._size = size;
+	fp->_lbfsize = 0;
+	__cleanup = _cleanup;
+
+	return (ret);
+}
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/sys b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/sys
new file mode 120000
index 0000000..2996fba
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/bsdi.1.0/sys
@@ -0,0 +1 @@
+include
\ No newline at end of file