Utilities for swapping the order of bytes to match the Endianness of the required platform.
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Utilities for swapping the order of bytes to match the Endianness of the required platform.
An introduction to the issue of endianness can be found at http://en.wikipedia.org/wiki/Endianness.
Of particular relevance is that a Macintosh with a PPC processor uses a Big-endian byte ordering, whereas an Intel processor in a Mac or Windows machine will use a Little-endian byte ordering.
These utilities are defined to assist with cases where byte ordering needs to be manipulated for floats or ints. Note that floats are subject to the same byte ordering rules as integers. While the IEEE defines the bits, the machine still defines how the bits are arranged with regard to bytes.
| #define BYTEORDER_SWAPF32 |
Switch the byte ordering of a float.
- Parameters
-
- Returns
- A float with the byte-ordering swapped.
| #define BYTEORDER_SWAPF64 |
Switch the byte ordering of a double.
- Parameters
-
- Returns
- A double.
| #define BYTEORDER_SWAPW16 |
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Switch the byte ordering of a short integer.
- Parameters
-
- Returns
- A short integer with the byte-ordering swapped.
| #define BYTEORDER_SWAPW32 |
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x | ) |
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Switch the byte ordering of an integer.
- Parameters
-
- Returns
- An integer with the byte-ordering swapped.
| #define BYTEORDER_SWAPW64 |
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x | ) |
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Switch the byte ordering of an integer.
- Parameters
-
- Returns
- An integer with the byte-ordering swapped.
Collaboration diagram for Byte Ordering:
