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I am getting this warning: warning C200: '>>': out of range shift factor has been truncated with regards to this line of code: Mbuf[1] = HEX2ASCII( (pEvent->num & 0xF000) >> 12 ); This warning does not appear when the identical project is compile on other machines! Any ideas? Rich
Drew, You were right, it was the "parenthesization" The macro: #define HEX2ASCII(b) ((b>9) ? (b+'A'-10) : (b+'0')) Fixed statement: Mbuf[1] = HEX2ASCII(( (pEvent->num & 0xF000) >> 12 )); Though I am not sure I see the correlation between the fix and the macro... Thank you Rich
The correlation is that that macro is written carelessly. To see what went wrong, inspect the preprocessor listing generated by the compiler on request, and ask yourself if that expanded expression really does what you wanted it to. The 'true' fix is to repair the macro definition, not the invocation:
#define HEX2ASCII(b) (((b)>9) ? ((b)+'A'-10) : ((b)+'0'))
#define HEX2ASCII(b) digit_string[b]