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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2008-04-25 17:01:06 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2008-04-25 17:01:06 +0000
commit44f08212597f46caee40d2176feefcbb43653e16 (patch)
treeaf6da9d86508162f30fc8bc14010f438ac87b71f /miscutils/taskset.c
parent95842fbc163d935cc5f7dc67dd49bbe906c2eae4 (diff)
downloadbusybox-44f08212597f46caee40d2176feefcbb43653e16.tar.gz
busybox-44f08212597f46caee40d2176feefcbb43653e16.tar.bz2
taskset: (1ull < 65) like ops are not good, avoid that
Diffstat (limited to 'miscutils/taskset.c')
-rw-r--r--miscutils/taskset.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/miscutils/taskset.c b/miscutils/taskset.c
index 4815b6a76..708abd9f2 100644
--- a/miscutils/taskset.c
+++ b/miscutils/taskset.c
@@ -93,8 +93,10 @@ int taskset_main(int argc ATTRIBUTE_UNUSED, char **argv)
unsigned i;
/* Do not allow zero mask: */
unsigned long long m = xstrtoull_range(aff, 0, 1, ULLONG_MAX);
+ enum { CNT_BIT = CPU_SETSIZE < sizeof(m)*8 ? CPU_SETSIZE : sizeof(m)*8 };
+
CPU_ZERO(&mask);
- for (i = 0; i < CPU_SETSIZE; i++) {
+ for (i = 0; i < CNT_BIT; i++) {
unsigned long long bit = (1ULL << i);
if (bit & m)
CPU_SET(i, &mask);