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EPICS_BYTE_ORDER != EPICS_FLOAT_WORD_ORDER support

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This commit is contained in:
Matej Sekoranja
2011-09-17 21:20:12 +02:00
parent 6f26caf40d
commit d76600121c
1 changed files with 33 additions and 7 deletions
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40
pvDataApp/misc/byteBuffer.h
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@@ -169,7 +169,9 @@ class ByteBuffer
{
public:
ByteBuffer(uintptr_t size, int byteOrder = EPICS_BYTE_ORDER) :
_buffer(0), _size(size), _reverseEndianess(byteOrder != EPICS_BYTE_ORDER)
_buffer(0), _size(size),
_reverseEndianess(byteOrder != EPICS_BYTE_ORDER),
_reverseFloatEndianess(byteOrder != EPICS_FLOAT_WORD_ORDER)
{
_buffer = (char*)malloc(size);
clear();
@@ -183,6 +185,7 @@ public:
inline void setEndianess(int byteOrder)
{
_reverseEndianess = (byteOrder != EPICS_BYTE_ORDER);
_reverseFloatEndianess = (byteOrder != EPICS_FLOAT_WORD_ORDER);
}
inline const char* getBuffer()
@@ -248,7 +251,7 @@ public:
return;
}
if (ENDIANESS_SUPPORT && _reverseEndianess)
if (ENDIANESS_SUPPORT && reverse<T>())
{
value = swap<T>(value);
}
@@ -299,7 +302,7 @@ public:
return;
}
if (ENDIANESS_SUPPORT && _reverseEndianess)
if (ENDIANESS_SUPPORT && reverse<T>())
{
value = swap<T>(value);
}
@@ -382,7 +385,7 @@ public:
}
}
if (ENDIANESS_SUPPORT && _reverseEndianess)
if (ENDIANESS_SUPPORT && reverse<T>())
{
value = swap<T>(value);
}
@@ -434,7 +437,7 @@ public:
}
}
if (ENDIANESS_SUPPORT && _reverseEndianess)
if (ENDIANESS_SUPPORT && reverse<T>())
{
value = swap<T>(value);
}
@@ -476,7 +479,7 @@ public:
_position += n;
// ... so that we can be fast changing endianess
if (ENDIANESS_SUPPORT && _reverseEndianess)
if (ENDIANESS_SUPPORT && reverse<T>())
{
for (uintptr_t i = 0; i < count; i++)
{
@@ -509,7 +512,7 @@ public:
_position += n;
// ... so that we can be fast changing endianess
if (ENDIANESS_SUPPORT && _reverseEndianess)
if (ENDIANESS_SUPPORT && reverse<T>())
{
for (uintptr_t i = 0; i < count; i++)
{
@@ -519,6 +522,15 @@ public:
}
}
template<typename T>
inline bool reverse()
{
return _reverseEndianess;
}
// NOTE: size must be power of 2
inline void align(int size)
{
@@ -574,8 +586,22 @@ private:
char* _limit;
uintptr_t _size;
bool _reverseEndianess;
bool _reverseFloatEndianess;
};
template<>
inline bool ByteBuffer::reverse<float>()
{
return _reverseFloatEndianess;
}
template<>
inline bool ByteBuffer::reverse<double>()
{
return _reverseFloatEndianess;
}
}
}
#endif /* BYTEBUFFER_H */