On Fre, 2008-06-27 at 01:17 +0100, David Given wrote: > Chris Li wrote: > [...] > > I don't think so. The offset part of the ptr_add op is mean to be the > > absolute offset, not how many element of the pointer index. In other > > words, it is how many address number it need to add. > > Hmm. True. But even so, it's still not right on my system, which doesn't > use 8-bit bytes. (It's word addressable where each word can contain any > value, so sizeof(int) == sizeof(double) == sizeof(char) == 1.) /usr/include/limits.h should have a correct #define CHAR_BIT. > Should there, then, be another symbol to define the number of bits in a > byte, distinct from the number of bits in a char? In C, there is no type "byte" (unless you typedef oder #define it). "byte" is usually (but not necessarily) meant as "unsigned char". Bernd -- Firmix Software GmbH http://www.firmix.at/ mobil: +43 664 4416156 fax: +43 1 7890849-55 Embedded Linux Development and Services -- To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
