Alexander Strasser wrote:
This no-guarantee-about-sizes-in-C thing begins to hurt nowadays ;)
ANSI C89 guarantees quite some stuff about sizes:
At least 8 bit for chars, at least 16 bit for shorts and ints, and at
least 32 bit for longs (and I guess ISO C99 adds at least 64 bit for
long longs).
It also guarantees that sizeof(char) <= sizeof(short) <= sizeof(int) <=
sizeof(long). (again I guess ISO C99 adds <= sizeof(long long))
And then there are the fixed size types in ISO C99 ofcourse...
Maybe it is really best to use special types like int_fast32_t
these times... (or role your own set of types to replace them
with the appropriate type depending on compiler and arch).
There is no such thing as a fast 32bit integer on sane (read: non
x86-64) 64bit architectures.
Felix
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