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authorOrochimarufan <orochimarufan.x3@gmail.com>2013-02-21 20:40:32 +0100
committerOrochimarufan <orochimarufan.x3@gmail.com>2013-02-21 20:40:32 +0100
commitca1fd44637ad5ce9ec287ff71addd38e98f66f4f (patch)
tree3642ff488dd144b014131de48bf926c6e3d1043c /java/javaendian.h
parent576e979df4a54df9bf5ffeae3559f488b3045268 (diff)
parent50d1f62bf4a8d70466100463238228bc8305a5c7 (diff)
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Merge branch 'master' of http://github.com/peterix/MultiMC5
Conflicts: CMakeLists.txt gui/mainwindow.cpp main.cpp
Diffstat (limited to 'java/javaendian.h')
-rw-r--r--java/javaendian.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/java/javaendian.h b/java/javaendian.h
new file mode 100644
index 00000000..fa6207fe
--- /dev/null
+++ b/java/javaendian.h
@@ -0,0 +1,62 @@
+#pragma once
+#include <stdint.h>
+
+/**
+ * Swap bytes between big endian and local number representation
+ */
+namespace util
+{
+#ifdef MULTIMC_BIG_ENDIAN
+inline uint64_t bigswap(uint64_t x)
+{
+ return x;
+};
+inline uint32_t bigswap(uint32_t x)
+{
+ return x;
+};
+inline uint16_t bigswap(uint16_t x)
+{
+ return x;
+};
+inline int64_t bigswap(int64_t x)
+{
+ return x;
+};
+inline int32_t bigswap(int32_t x)
+{
+ return x;
+};
+inline int16_t bigswap(int16_t x)
+{
+ return x;
+};
+#else
+inline uint64_t bigswap(uint64_t x)
+{
+ return (x>>56) | ((x<<40) & 0x00FF000000000000) | ((x<<24) & 0x0000FF0000000000) | ((x<<8) & 0x000000FF00000000) |
+ ((x>>8) & 0x00000000FF000000) | ((x>>24) & 0x0000000000FF0000) | ((x>>40) & 0x000000000000FF00) | (x<<56);
+};
+inline uint32_t bigswap(uint32_t x)
+{
+ return (x>>24) | ((x<<8) & 0x00FF0000) | ((x>>8) & 0x0000FF00) | (x<<24);
+};
+inline uint16_t bigswap(uint16_t x)
+{
+ return (x>>8) | (x<<8);
+};
+inline int64_t bigswap(int64_t x)
+{
+ return (x>>56) | ((x<<40) & 0x00FF000000000000) | ((x<<24) & 0x0000FF0000000000) | ((x<<8) & 0x000000FF00000000) |
+ ((x>>8) & 0x00000000FF000000) | ((x>>24) & 0x0000000000FF0000) | ((x>>40) & 0x000000000000FF00) | (x<<56);
+};
+inline int32_t bigswap(int32_t x)
+{
+ return (x>>24) | ((x<<8) & 0x00FF0000) | ((x>>8) & 0x0000FF00) | (x<<24);
+};
+inline int16_t bigswap(int16_t x)
+{
+ return (x>>8) | (x<<8);
+};
+#endif
+}