1 files changed, 27 insertions, 0 deletions
diff --git a/src/cmd/venti/unittoull.c b/src/cmd/venti/unittoull.c
new file mode 100644
index 00000000..db35aa0f
--- /dev/null
+++ b/src/cmd/venti/unittoull.c
@@ -0,0 +1,27 @@
+#include "stdinc.h"
+
+#define TWID64	((u64int)~(u64int)0)
+
+u64int
+unittoull(char *s)
+{
+	char *es;
+	u64int n;
+
+	if(s == nil)
+		return TWID64;
+	n = strtoul(s, &es, 0);
+	if(*es == 'k' || *es == 'K'){
+		n *= 1024;
+		es++;
+	}else if(*es == 'm' || *es == 'M'){
+		n *= 1024*1024;
+		es++;
+	}else if(*es == 'g' || *es == 'G'){
+		n *= 1024*1024*1024;
+		es++;
+	}
+	if(*es != '\0')
+		return TWID64;
+	return n;
+}