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authorPiotr Wilczek <p.wilczek@samsung.com>2013-01-27 22:59:24 +0000
committerTom Rini <trini@ti.com>2013-02-19 17:01:26 -0500
commit7df54d316e70e2d6ae080ef98aa9d2388bbb8af9 (patch)
treeef54472e87f03f989e5aa944f764736e3d68637b /lib
parent7b395232da84ae59bd32985bf944a0a9f417a543 (diff)
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>
Diffstat (limited to 'lib')
-rw-r--r--lib/vsprintf.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 3c432f8764f..533a96b85e3 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -126,6 +126,29 @@ unsigned long ustrtoul(const char *cp, char **endp, unsigned int base)
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)
{