aboutsummaryrefslogtreecommitdiff
path: root/circuitpython/lib/berkeley-db-1.xx/PORT/include
diff options
context:
space:
mode:
Diffstat (limited to 'circuitpython/lib/berkeley-db-1.xx/PORT/include')
l---------circuitpython/lib/berkeley-db-1.xx/PORT/include/bsd-queue.h1
-rw-r--r--circuitpython/lib/berkeley-db-1.xx/PORT/include/cdefs.h122
-rw-r--r--circuitpython/lib/berkeley-db-1.xx/PORT/include/compat.h233
l---------circuitpython/lib/berkeley-db-1.xx/PORT/include/db.h1
l---------circuitpython/lib/berkeley-db-1.xx/PORT/include/filevtable.h1
l---------circuitpython/lib/berkeley-db-1.xx/PORT/include/mpool.h1
-rw-r--r--circuitpython/lib/berkeley-db-1.xx/PORT/include/ndbm.h77
-rw-r--r--circuitpython/lib/berkeley-db-1.xx/PORT/include/queue.h245
8 files changed, 681 insertions, 0 deletions
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/include/bsd-queue.h b/circuitpython/lib/berkeley-db-1.xx/PORT/include/bsd-queue.h
new file mode 120000
index 0000000..f28ad5d
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/include/bsd-queue.h
@@ -0,0 +1 @@
+queue.h \ No newline at end of file
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/include/cdefs.h b/circuitpython/lib/berkeley-db-1.xx/PORT/include/cdefs.h
new file mode 100644
index 0000000..c104b9e
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/include/cdefs.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 1991, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Berkeley Software Design, Inc.
+ *
+ * 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.
+ *
+ * @(#)cdefs.h 8.7 (Berkeley) 1/21/94
+ */
+
+#ifndef _CDEFS_H_
+#define _CDEFS_H_
+
+#if defined(__cplusplus)
+#define __BEGIN_DECLS extern "C" {
+#define __END_DECLS };
+#else
+#define __BEGIN_DECLS
+#define __END_DECLS
+#endif
+
+/*
+ * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
+ * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
+ * The __CONCAT macro is a bit tricky -- make sure you don't put spaces
+ * in between its arguments. __CONCAT can also concatenate double-quoted
+ * strings produced by the __STRING macro, but this only works with ANSI C.
+ */
+#if defined(__STDC__) || defined(__cplusplus)
+#define __P(protos) protos /* full-blown ANSI C */
+#define __CONCAT(x,y) x ## y
+#define __STRING(x) #x
+
+#define __const const /* define reserved names to standard */
+#define __signed signed
+#define __volatile volatile
+#if defined(__cplusplus)
+#define __inline inline /* convert to C++ keyword */
+#else
+#ifndef __GNUC__
+#define __inline /* delete GCC keyword */
+#endif /* !__GNUC__ */
+#endif /* !__cplusplus */
+
+#else /* !(__STDC__ || __cplusplus) */
+#define __P(protos) () /* traditional C preprocessor */
+#define __CONCAT(x,y) x/**/y
+#define __STRING(x) "x"
+
+#ifndef __GNUC__
+#define __const /* delete pseudo-ANSI C keywords */
+#define __inline
+#define __signed
+#define __volatile
+/*
+ * In non-ANSI C environments, new programs will want ANSI-only C keywords
+ * deleted from the program and old programs will want them left alone.
+ * When using a compiler other than gcc, programs using the ANSI C keywords
+ * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
+ * When using "gcc -traditional", we assume that this is the intent; if
+ * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
+ */
+#ifndef NO_ANSI_KEYWORDS
+#define const /* delete ANSI C keywords */
+#define inline
+#define signed
+#define volatile
+#endif
+#endif /* !__GNUC__ */
+#endif /* !(__STDC__ || __cplusplus) */
+
+/*
+ * GCC1 and some versions of GCC2 declare dead (non-returning) and
+ * pure (no side effects) functions using "volatile" and "const";
+ * unfortunately, these then cause warnings under "-ansi -pedantic".
+ * GCC2 uses a new, peculiar __attribute__((attrs)) style. All of
+ * these work for GNU C++ (modulo a slight glitch in the C++ grammar
+ * in the distribution version of 2.5.5).
+ */
+#if !defined(__GNUC__) || __GNUC__ < 2 || __GNUC_MINOR__ < 5
+#define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+#define __dead __volatile
+#define __pure __const
+#endif
+#endif
+
+/* Delete pseudo-keywords wherever they are not available or needed. */
+#ifndef __dead
+#define __dead
+#define __pure
+#endif
+
+#endif /* !_CDEFS_H_ */
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/include/compat.h b/circuitpython/lib/berkeley-db-1.xx/PORT/include/compat.h
new file mode 100644
index 0000000..30cf88d
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/include/compat.h
@@ -0,0 +1,233 @@
+/*-
+ * 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 BIG_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)
+#ifndef memmove
+#define memmove(a, b, n) bcopy(b, a, n)
+#endif
+#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/include/db.h b/circuitpython/lib/berkeley-db-1.xx/PORT/include/db.h
new file mode 120000
index 0000000..44c1ba4
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/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/include/filevtable.h b/circuitpython/lib/berkeley-db-1.xx/PORT/include/filevtable.h
new file mode 120000
index 0000000..25306d1
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/include/filevtable.h
@@ -0,0 +1 @@
+../../include/filevtable.h \ No newline at end of file
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/include/mpool.h b/circuitpython/lib/berkeley-db-1.xx/PORT/include/mpool.h
new file mode 120000
index 0000000..03f870c
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/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/include/ndbm.h b/circuitpython/lib/berkeley-db-1.xx/PORT/include/ndbm.h
new file mode 100644
index 0000000..a545bca
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/include/ndbm.h
@@ -0,0 +1,77 @@
+/*-
+ * Copyright (c) 1990, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Margo Seltzer.
+ *
+ * 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.
+ *
+ * @(#)ndbm.h 8.1 (Berkeley) 6/2/93
+ */
+
+#ifndef _NDBM_H_
+#define _NDBM_H_
+
+#include <db.h>
+
+/* Map dbm interface onto db(3). */
+#define DBM_RDONLY O_RDONLY
+
+/* Flags to dbm_store(). */
+#define DBM_INSERT 0
+#define DBM_REPLACE 1
+
+/*
+ * The db(3) support for ndbm(3) always appends this suffix to the
+ * file name to avoid overwriting the user's original database.
+ */
+#define DBM_SUFFIX ".db"
+
+typedef struct {
+ char *dptr;
+ int dsize;
+} datum;
+
+typedef DB DBM;
+#define dbm_pagfno(a) DBM_PAGFNO_NOT_AVAILABLE
+
+__BEGIN_DECLS
+void dbm_close __P((DBM *));
+int dbm_delete __P((DBM *, datum));
+datum dbm_fetch __P((DBM *, datum));
+datum dbm_firstkey __P((DBM *));
+long dbm_forder __P((DBM *, datum));
+datum dbm_nextkey __P((DBM *));
+DBM *dbm_open __P((const char *, int, int));
+int dbm_store __P((DBM *, datum, datum, int));
+int dbm_dirfno __P((DBM *));
+__END_DECLS
+
+#endif /* !_NDBM_H_ */
diff --git a/circuitpython/lib/berkeley-db-1.xx/PORT/include/queue.h b/circuitpython/lib/berkeley-db-1.xx/PORT/include/queue.h
new file mode 100644
index 0000000..40d32cc
--- /dev/null
+++ b/circuitpython/lib/berkeley-db-1.xx/PORT/include/queue.h
@@ -0,0 +1,245 @@
+/*
+ * 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.
+ *
+ * @(#)queue.h 8.3 (Berkeley) 12/13/93
+ */
+
+#ifndef _QUEUE_H_
+#define _QUEUE_H_
+
+/*
+ * This file defines three types of data structures: lists, tail queues,
+ * and circular queues.
+ *
+ * A list is headed by a single forward pointer (or an array of forward
+ * pointers for a hash table header). The elements are doubly linked
+ * so that an arbitrary element can be removed without a need to
+ * traverse the list. New elements can be added to the list after
+ * an existing element or at the head of the list. A list may only be
+ * traversed in the forward direction.
+ *
+ * A tail queue is headed by a pair of pointers, one to the head of the
+ * list and the other to the tail of the list. The elements are doubly
+ * linked so that an arbitrary element can be removed without a need to
+ * traverse the list. New elements can be added to the list after
+ * an existing element, at the head of the list, or at the end of the
+ * list. A tail queue may only be traversed in the forward direction.
+ *
+ * A circle queue is headed by a pair of pointers, one to the head of the
+ * list and the other to the tail of the list. The elements are doubly
+ * linked so that an arbitrary element can be removed without a need to
+ * traverse the list. New elements can be added to the list before or after
+ * an existing element, at the head of the list, or at the end of the list.
+ * A circle queue may be traversed in either direction, but has a more
+ * complex end of list detection.
+ *
+ * For details on the use of these macros, see the queue(3) manual page.
+ */
+
+/*
+ * List definitions.
+ */
+#define LIST_HEAD(name, type) \
+struct name { \
+ struct type *lh_first; /* first element */ \
+}
+
+#define LIST_ENTRY(type) \
+struct { \
+ struct type *le_next; /* next element */ \
+ struct type **le_prev; /* address of previous next element */ \
+}
+
+/*
+ * List functions.
+ */
+#define LIST_INIT(head) { \
+ (head)->lh_first = NULL; \
+}
+
+#define LIST_INSERT_AFTER(listelm, elm, field) { \
+ if (((elm)->field.le_next = (listelm)->field.le_next) != NULL) \
+ (listelm)->field.le_next->field.le_prev = \
+ &(elm)->field.le_next; \
+ (listelm)->field.le_next = (elm); \
+ (elm)->field.le_prev = &(listelm)->field.le_next; \
+}
+
+#define LIST_INSERT_HEAD(head, elm, field) { \
+ if (((elm)->field.le_next = (head)->lh_first) != NULL) \
+ (head)->lh_first->field.le_prev = &(elm)->field.le_next;\
+ (head)->lh_first = (elm); \
+ (elm)->field.le_prev = &(head)->lh_first; \
+}
+
+#define LIST_REMOVE(elm, field) { \
+ if ((elm)->field.le_next != NULL) \
+ (elm)->field.le_next->field.le_prev = \
+ (elm)->field.le_prev; \
+ *(elm)->field.le_prev = (elm)->field.le_next; \
+}
+
+/*
+ * Tail queue definitions.
+ */
+#define TAILQ_HEAD(name, type) \
+struct name { \
+ struct type *tqh_first; /* first element */ \
+ struct type **tqh_last; /* addr of last next element */ \
+}
+
+#define TAILQ_ENTRY(type) \
+struct { \
+ struct type *tqe_next; /* next element */ \
+ struct type **tqe_prev; /* address of previous next element */ \
+}
+
+/*
+ * Tail queue functions.
+ */
+#define TAILQ_INIT(head) { \
+ (head)->tqh_first = NULL; \
+ (head)->tqh_last = &(head)->tqh_first; \
+}
+
+#define TAILQ_INSERT_HEAD(head, elm, field) { \
+ if (((elm)->field.tqe_next = (head)->tqh_first) != NULL) \
+ (elm)->field.tqe_next->field.tqe_prev = \
+ &(elm)->field.tqe_next; \
+ else \
+ (head)->tqh_last = &(elm)->field.tqe_next; \
+ (head)->tqh_first = (elm); \
+ (elm)->field.tqe_prev = &(head)->tqh_first; \
+}
+
+#define TAILQ_INSERT_TAIL(head, elm, field) { \
+ (elm)->field.tqe_next = NULL; \
+ (elm)->field.tqe_prev = (head)->tqh_last; \
+ *(head)->tqh_last = (elm); \
+ (head)->tqh_last = &(elm)->field.tqe_next; \
+}
+
+#define TAILQ_INSERT_AFTER(head, listelm, elm, field) { \
+ if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != NULL)\
+ (elm)->field.tqe_next->field.tqe_prev = \
+ &(elm)->field.tqe_next; \
+ else \
+ (head)->tqh_last = &(elm)->field.tqe_next; \
+ (listelm)->field.tqe_next = (elm); \
+ (elm)->field.tqe_prev = &(listelm)->field.tqe_next; \
+}
+
+#define TAILQ_REMOVE(head, elm, field) { \
+ if (((elm)->field.tqe_next) != NULL) \
+ (elm)->field.tqe_next->field.tqe_prev = \
+ (elm)->field.tqe_prev; \
+ else \
+ (head)->tqh_last = (elm)->field.tqe_prev; \
+ *(elm)->field.tqe_prev = (elm)->field.tqe_next; \
+}
+
+/*
+ * Circular queue definitions.
+ */
+#define CIRCLEQ_HEAD(name, type) \
+struct name { \
+ struct type *cqh_first; /* first element */ \
+ struct type *cqh_last; /* last element */ \
+}
+
+#define CIRCLEQ_ENTRY(type) \
+struct { \
+ struct type *cqe_next; /* next element */ \
+ struct type *cqe_prev; /* previous element */ \
+}
+
+/*
+ * Circular queue functions.
+ */
+#define CIRCLEQ_INIT(head) { \
+ (head)->cqh_first = (void *)(head); \
+ (head)->cqh_last = (void *)(head); \
+}
+
+#define CIRCLEQ_INSERT_AFTER(head, listelm, elm, field) { \
+ (elm)->field.cqe_next = (listelm)->field.cqe_next; \
+ (elm)->field.cqe_prev = (listelm); \
+ if ((listelm)->field.cqe_next == (void *)(head)) \
+ (head)->cqh_last = (elm); \
+ else \
+ (listelm)->field.cqe_next->field.cqe_prev = (elm); \
+ (listelm)->field.cqe_next = (elm); \
+}
+
+#define CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) { \
+ (elm)->field.cqe_next = (listelm); \
+ (elm)->field.cqe_prev = (listelm)->field.cqe_prev; \
+ if ((listelm)->field.cqe_prev == (void *)(head)) \
+ (head)->cqh_first = (elm); \
+ else \
+ (listelm)->field.cqe_prev->field.cqe_next = (elm); \
+ (listelm)->field.cqe_prev = (elm); \
+}
+
+#define CIRCLEQ_INSERT_HEAD(head, elm, field) { \
+ (elm)->field.cqe_next = (head)->cqh_first; \
+ (elm)->field.cqe_prev = (void *)(head); \
+ if ((head)->cqh_last == (void *)(head)) \
+ (head)->cqh_last = (elm); \
+ else \
+ (head)->cqh_first->field.cqe_prev = (elm); \
+ (head)->cqh_first = (elm); \
+}
+
+#define CIRCLEQ_INSERT_TAIL(head, elm, field) { \
+ (elm)->field.cqe_next = (void *)(head); \
+ (elm)->field.cqe_prev = (head)->cqh_last; \
+ if ((head)->cqh_first == (void *)(head)) \
+ (head)->cqh_first = (elm); \
+ else \
+ (head)->cqh_last->field.cqe_next = (elm); \
+ (head)->cqh_last = (elm); \
+}
+
+#define CIRCLEQ_REMOVE(head, elm, field) { \
+ if ((elm)->field.cqe_next == (void *)(head)) \
+ (head)->cqh_last = (elm)->field.cqe_prev; \
+ else \
+ (elm)->field.cqe_next->field.cqe_prev = \
+ (elm)->field.cqe_prev; \
+ if ((elm)->field.cqe_prev == (void *)(head)) \
+ (head)->cqh_first = (elm)->field.cqe_next; \
+ else \
+ (elm)->field.cqe_prev->field.cqe_next = \
+ (elm)->field.cqe_next; \
+}
+#endif /* !_QUEUE_H_ */