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Relying on the sign (after casting to int) of the difference of two quantities for comparison is usually wrong. For example, should a-b turn out to be 2^31, the return value of cmp(a,b) is -2^31; but that would also be the return value from cmp(b, a). So a compares less than b and b compares less than a. One can also easily find three values a,b,c such that a compares less than b, b compares less than c, but a does not compare less than c. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Vyacheslav Dubeyko <slava@dubeyko.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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attr.c | ||
bfind.c | ||
bitmap.c | ||
bnode.c | ||
brec.c | ||
btree.c | ||
btree.h | ||
catalog.c | ||
dir.c | ||
extent.c | ||
hfs_fs.h | ||
hfs.h | ||
inode.c | ||
Kconfig | ||
Makefile | ||
mdb.c | ||
part_tbl.c | ||
string.c | ||
super.c | ||
sysdep.c | ||
trans.c |