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[Minios-devel] [UNIKRAFT/NEWLIB PATCH 2/2] byteswap.h: Import from musl
- To: minios-devel@xxxxxxxxxxxxx
- From: Vlad-Andrei BĂDOIU <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
- Date: Wed, 18 Mar 2020 13:50:07 +0200
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- Delivery-date: Wed, 18 Mar 2020 11:50:36 +0000
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Copied as is from the official musl git mirror
git://git.musl-libc.org/musl, commit 6fcb440d.
Signed-off-by: Vlad-Andrei BĂDOIU <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
---
musl-imported/include/byteswap.h | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
create mode 100644 musl-imported/include/byteswap.h
diff --git a/musl-imported/include/byteswap.h b/musl-imported/include/byteswap.h
new file mode 100644
index 0000000..00b9df3
--- /dev/null
+++ b/musl-imported/include/byteswap.h
@@ -0,0 +1,26 @@
+#ifndef _BYTESWAP_H
+#define _BYTESWAP_H
+
+#include <features.h>
+#include <stdint.h>
+
+static __inline uint16_t __bswap_16(uint16_t __x)
+{
+ return __x<<8 | __x>>8;
+}
+
+static __inline uint32_t __bswap_32(uint32_t __x)
+{
+ return __x>>24 | __x>>8&0xff00 | __x<<8&0xff0000 | __x<<24;
+}
+
+static __inline uint64_t __bswap_64(uint64_t __x)
+{
+ return __bswap_32(__x)+0ULL<<32 | __bswap_32(__x>>32);
+}
+
+#define bswap_16(x) __bswap_16(x)
+#define bswap_32(x) __bswap_32(x)
+#define bswap_64(x) __bswap_64(x)
+
+#endif
--
2.20.1
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