Changes in uspace/lib/c/generic/imath.c [5a6cc679:e3272101] in mainline

File:

• uspace/lib/c/generic/imath.c (modified) (3 diffs)

uspace/lib/c/generic/imath.c

@@ -50 +50 @@
 errno_t ipow10_u64(unsigned exp, uint64_t *res)
 {
-        unsigned a;
+        uint64_t a;
         uint64_t r;
 
@@ -81 +81 @@
  *
  * @param v Value to compute logarithm from
+ * @param res Place to store result
+ * @return EOK on success
  * @return Logarithm value
  */
-unsigned ilog10_u64(uint64_t v)
+errno_t ilog10_u64(uint64_t v, unsigned *res)
 {
+        if (v == 0)
+                return ERANGE;
+
         unsigned b;
         unsigned e;
@@ -117 +122 @@
         }
 
-        return r;
+        *res = r;
+        return EOK;
 }