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authorBrad King <brad.king@kitware.com>2011-12-20 16:50:51 (GMT)
committerBrad King <brad.king@kitware.com>2011-12-20 16:54:25 (GMT)
commit3e5a80f063859aafe4fd8969ad18af5300a23a50 (patch)
treee052440cdad541a1b4c70dd5e77907e1df31a2e8 /Utilities/cmlibarchive/libarchive/archive_endian.h
parentf6ac86d70e582a9b089a357ddfbfb621a8b6e6ea (diff)
parent2f4a3792bbfdb4e05cf7468059b3f6308f5ed91f (diff)
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Merge branch 'libarchive-upstream' into update-libarchive
Add Utilities/cmlibarchive using upstream libarchive 3.0.0-r3950 snapshot.
Diffstat (limited to 'Utilities/cmlibarchive/libarchive/archive_endian.h')
-rw-r--r--Utilities/cmlibarchive/libarchive/archive_endian.h162
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diff --git a/Utilities/cmlibarchive/libarchive/archive_endian.h b/Utilities/cmlibarchive/libarchive/archive_endian.h
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+/*-
+ * Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org>
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD: head/lib/libarchive/archive_endian.h 201085 2009-12-28 02:17:15Z kientzle $
+ *
+ * Borrowed from FreeBSD's <sys/endian.h>
+ */
+
+#ifndef __LIBARCHIVE_BUILD
+#error This header is only to be used internally to libarchive.
+#endif
+
+/* Note: This is a purely internal header! */
+/* Do not use this outside of libarchive internal code! */
+
+#ifndef ARCHIVE_ENDIAN_H_INCLUDED
+#define ARCHIVE_ENDIAN_H_INCLUDED
+
+
+/*
+ * Disabling inline keyword for compilers known to choke on it:
+ * - Watcom C++ in C code. (For any version?)
+ * - SGI MIPSpro
+ * - Microsoft Visual C++ 6.0 (supposedly newer versions too)
+ */
+#if defined(__WATCOMC__) || defined(__sgi) || defined(__hpux) || defined(__BORLANDC__)
+#define inline
+#elif defined(_MSC_VER)
+#define inline __inline
+#endif
+
+/* Alignment-agnostic encode/decode bytestream to/from little/big endian. */
+
+static inline uint16_t
+archive_be16dec(const void *pp)
+{
+ unsigned char const *p = (unsigned char const *)pp;
+
+ return ((p[0] << 8) | p[1]);
+}
+
+static inline uint32_t
+archive_be32dec(const void *pp)
+{
+ unsigned char const *p = (unsigned char const *)pp;
+
+ return ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
+}
+
+static inline uint64_t
+archive_be64dec(const void *pp)
+{
+ unsigned char const *p = (unsigned char const *)pp;
+
+ return (((uint64_t)archive_be32dec(p) << 32) | archive_be32dec(p + 4));
+}
+
+static inline uint16_t
+archive_le16dec(const void *pp)
+{
+ unsigned char const *p = (unsigned char const *)pp;
+
+ return ((p[1] << 8) | p[0]);
+}
+
+static inline uint32_t
+archive_le32dec(const void *pp)
+{
+ unsigned char const *p = (unsigned char const *)pp;
+
+ return ((p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]);
+}
+
+static inline uint64_t
+archive_le64dec(const void *pp)
+{
+ unsigned char const *p = (unsigned char const *)pp;
+
+ return (((uint64_t)archive_le32dec(p + 4) << 32) | archive_le32dec(p));
+}
+
+static inline void
+archive_be16enc(void *pp, uint16_t u)
+{
+ unsigned char *p = (unsigned char *)pp;
+
+ p[0] = (u >> 8) & 0xff;
+ p[1] = u & 0xff;
+}
+
+static inline void
+archive_be32enc(void *pp, uint32_t u)
+{
+ unsigned char *p = (unsigned char *)pp;
+
+ p[0] = (u >> 24) & 0xff;
+ p[1] = (u >> 16) & 0xff;
+ p[2] = (u >> 8) & 0xff;
+ p[3] = u & 0xff;
+}
+
+static inline void
+archive_be64enc(void *pp, uint64_t u)
+{
+ unsigned char *p = (unsigned char *)pp;
+
+ archive_be32enc(p, u >> 32);
+ archive_be32enc(p + 4, u & 0xffffffff);
+}
+
+static inline void
+archive_le16enc(void *pp, uint16_t u)
+{
+ unsigned char *p = (unsigned char *)pp;
+
+ p[0] = u & 0xff;
+ p[1] = (u >> 8) & 0xff;
+}
+
+static inline void
+archive_le32enc(void *pp, uint32_t u)
+{
+ unsigned char *p = (unsigned char *)pp;
+
+ p[0] = u & 0xff;
+ p[1] = (u >> 8) & 0xff;
+ p[2] = (u >> 16) & 0xff;
+ p[3] = (u >> 24) & 0xff;
+}
+
+static inline void
+archive_le64enc(void *pp, uint64_t u)
+{
+ unsigned char *p = (unsigned char *)pp;
+
+ archive_le32enc(p, u & 0xffffffff);
+ archive_le32enc(p + 4, u >> 32);
+}
+
+#endif