swap_perc: check for division by zero on obsd too

[slstatus.git] / util.c

diff --git a/util.c b/util.c
index 923d4df..5936a6d 100644 (file)
--- a/util.c
+++ b/util.c
@@ -87,19 +87,35 @@ bprintf(const char *fmt, ...)
 }
 
 const char *
-fmt_scaled(size_t bytes)
+fmt_human_2(size_t num, char *unit)
 {
-       unsigned int i;
-       float scaled;
-       const char *units[] = { "B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB",
-                               "ZiB", "YiB" };
+       size_t i;
+       double scaled;
+       const char *prefix[] = { "", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei",
+                                "Zi", "Yi" };
 
-       scaled = bytes;
-       for (i = 0; i < LEN(units) && scaled >= 1024; i++) {
+       scaled = num;
+       for (i = 0; i < LEN(prefix) && scaled >= 1024; i++) {
                scaled /= 1024.0;
        }
 
-       return bprintf("%.1f%s", scaled, units[i]);
+       return bprintf("%.1f%s%s", scaled, prefix[i], unit);
+}
+
+const char *
+fmt_human_10(size_t num, char *unit)
+{
+       size_t i;
+       double scaled;
+       const char *prefix[] = { "", "K", "M", "G", "T", "P", "E",
+                                "Z", "Y" };
+
+       scaled = num;
+       for (i = 0; i < LEN(prefix) && scaled >= 1000; i++) {
+               scaled /= 1000.0;
+       }
+
+       return bprintf("%.1f%s%s", scaled, prefix[i], unit);
 }
 
 int