Fix parser bug dealing with range options and postfix
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/parse.c b/parse.c
index e9eb738..585fb7e 100644
--- a/parse.c
+++ b/parse.c
@@ -168,19 +168,20 @@
static unsigned long long get_mult_bytes(const char *str, int len, void *data)
{
- const char *p;
+ const char *p = str;
if (len < 2)
return __get_mult_bytes(str, data);
- /*
- * if the last char is 'b' or 'B', the user likely used
- * "1gb" instead of just "1g". If the second to last is also
- * a letter, adjust.
- */
- p = str + len - 1;
- while (isalpha(*(p - 1)))
- p--;
+ /*
+ * Go forward until we hit a non-digit
+ */
+ while ((p - str) <= len) {
+ if (!isdigit(*p))
+ break;
+ p++;
+ }
+
if (!isalpha(*p))
p = NULL;