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| author | Piotr Wilczek <p.wilczek@samsung.com> | 2013-01-27 22:59:24 +0000 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-02-19 17:01:26 -0500 |
| commit | 7df54d316e70e2d6ae080ef98aa9d2388bbb8af9 (patch) | |
| tree | ef54472e87f03f989e5aa944f764736e3d68637b /lib/vsprintf.c | |
| parent | 7b395232da84ae59bd32985bf944a0a9f417a543 (diff) | |
| download | blackbird-obmc-uboot-7df54d316e70e2d6ae080ef98aa9d2388bbb8af9.tar.gz blackbird-obmc-uboot-7df54d316e70e2d6ae080ef98aa9d2388bbb8af9.zip | |
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/vsprintf.c')
| -rw-r--r-- | lib/vsprintf.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 3c432f8764..533a96b85e 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) { |
