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authorSteve Kondik <shade@chemlab.org>2014-07-25 05:33:22 -0700
committerSteve Kondik <shade@chemlab.org>2014-07-25 05:33:22 -0700
commita05c01b7806ce0ff2b110ad36dbfe5727cb8cd4f (patch)
treea5d0d048e3976331e7001ed2eea256c67dc10b2a /include/share/endswap.h
parentd3c04b5f963ef86e1aeb74656151f175aefa4c48 (diff)
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Change-Id: Ibd991640b7c85a96f4d1a43381acd199a6d197fd
Diffstat (limited to 'include/share/endswap.h')
-rw-r--r--include/share/endswap.h53
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diff --git a/include/share/endswap.h b/include/share/endswap.h
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+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2012 Xiph.org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - 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.
+ *
+ * - Neither the name of the Xiph.org Foundation 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 COPYRIGHT HOLDERS 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 FOUNDATION 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.
+ */
+
+/* It is assumed that this header will be included after "config.h". */
+
+#if HAVE_BSWAP32 /* GCC and Clang */
+
+#define ENDSWAP_32(x) (__builtin_bswap32 (x))
+
+#elif defined _MSC_VER /* Windows. Apparently in <stdlib.h>. */
+
+#define ENDSWAP_32(x) (_byteswap_ulong (x))
+
+#elif defined HAVE_BYTESWAP_H /* Linux */
+
+#include <byteswap.h>
+
+#define ENDSWAP_32(x) (bswap_32 (x))
+
+#else
+
+#define ENDSWAP_32(x) ((((x) >> 24) & 0xFF) + (((x) >> 8) & 0xFF00) + (((x) & 0xFF00) << 8) + (((x) & 0xFF) << 24))
+
+#endif
+