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authorKevin2014-11-15 09:58:27 +0800
committerKevin2014-11-15 09:58:27 +0800
commit392e8802486cb573b916e746010e141a75f507e6 (patch)
tree50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/include/asm-generic/swab.h
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init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/include/asm-generic/swab.h')
-rw-r--r--ANDROID_3.4.5/include/asm-generic/swab.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/include/asm-generic/swab.h b/ANDROID_3.4.5/include/asm-generic/swab.h
new file mode 100644
index 00000000..a8e9029d
--- /dev/null
+++ b/ANDROID_3.4.5/include/asm-generic/swab.h
@@ -0,0 +1,18 @@
+#ifndef _ASM_GENERIC_SWAB_H
+#define _ASM_GENERIC_SWAB_H
+
+#include <asm/bitsperlong.h>
+
+/*
+ * 32 bit architectures typically (but not always) want to
+ * set __SWAB_64_THRU_32__. In user space, this is only
+ * valid if the compiler supports 64 bit data types.
+ */
+
+#if __BITS_PER_LONG == 32
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+#define __SWAB_64_THRU_32__
+#endif
+#endif
+
+#endif /* _ASM_GENERIC_SWAB_H */