vsprintf: add ustrtoll function
Add 'ustrtoull' function to convert size from string (ex: 1GiB)
to unsigned long long type
Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 3c432f8..533a96b 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -126,6 +126,29 @@
return result;
}
+unsigned long long ustrtoull(const char *cp, char **endp, unsigned int base)
+{
+ unsigned long long result = simple_strtoull(cp, endp, base);
+ switch (**endp) {
+ case 'G':
+ result *= 1024;
+ /* fall through */
+ case 'M':
+ result *= 1024;
+ /* fall through */
+ case 'K':
+ case 'k':
+ result *= 1024;
+ if ((*endp)[1] == 'i') {
+ if ((*endp)[2] == 'B')
+ (*endp) += 3;
+ else
+ (*endp) += 2;
+ }
+ }
+ return result;
+}
+
unsigned long long simple_strtoull(const char *cp, char **endp,
unsigned int base)
{