Merge fmt_human_2 and fmt_human_10 to one function

[slstatus.git] / util.c

diff --git a/util.c b/util.c
index 6dd08d7..fc8b72a 100644 (file)
--- a/util.c
+++ b/util.c
@@ -87,32 +87,24 @@ bprintf(const char *fmt, ...)
 }
 
 const char *
-fmt_human_2(size_t num)
+fmt_human(size_t num, int base)
 {
        size_t i;
        double scaled;
-       const char *prefix[] = { "", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei",
-                                "Zi", "Yi" };
-
-       scaled = num;
-       for (i = 0; i < LEN(prefix) && scaled >= 1024; i++) {
-               scaled /= 1024.0;
+       const char *siprefix[] = { "", "k", "M", "G", "T", "P", "E", "Z", "Y" };
+       const char *iecprefix[] = { "", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei",
+                                   "Zi", "Yi" };
+       char *prefix[9];
+
+       if (base == 1000) {
+               memcpy(prefix, siprefix, sizeof(prefix));
+       } else if (base == 1024) {
+               memcpy(prefix, iecprefix, sizeof(prefix));
        }
 
-       return bprintf("%.1f%s", scaled, prefix[i]);
-}
-
-const char *
-fmt_human_10(size_t num)
-{
-       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;
+       for (i = 0; i < LEN(prefix) && scaled >= 1024; i++) {
+               scaled /= base;
        }
 
        return bprintf("%.1f%s", scaled, prefix[i]);