Hi David,
Beg to differ, The pre-processor does not know it is a number .... it's
just a token at this stage, and it
does not know what it is, so should report the whole
string.....afterall a##b is a concatination of strings
Do you have any <helpful> suggestions to help me solve the original
problem?
Cheers,
Bernie
On Saturday, May 31, 2003, at 02:17 AM, David Dyck wrote:
On Fri, 30 May 2003 at 16:07 +1200, Bernard Mentink
<[email protected]>...:
Ok, fair comment. However, note the: CONCAT4(123,456,789,1_2) macro
is interpreted by the compiler (pre-compiler) as `1234567891', i.e
the
_2 is left off. See below.
This example is independent of any header files.
Work that one out? ;-)
If you put the two lines:
#define CONCAT4(a,b,c,d) a##b##c##d
CONCAT4(123,456,789,1_2)
into a file and compile it. What does your compiler say?
Well,
this has nothing to do with the pre-processor "gcc -E" nor mspgcc
as the same 'problem' will show up if you put
1234567891_2
in a c source file :-)
noumbers don't have underscores in them, right?
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