commit 35219d39caa5ab5e0b1c9e6d4a1cbb29a388842e
parent f3178199848911c8fb51b30e3993ae47120fcc6c
Author: Aaron Marcher <me@drkhsh.at>
Date: Fri, 18 May 2018 23:14:10 +0200
Add fmt_scaled util function
Diffstat:
2 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/util.c b/util.c
@@ -65,6 +65,22 @@ bprintf(const char *fmt, ...)
return buf;
}
+const char *
+fmt_scaled(size_t bytes)
+{
+ unsigned int i;
+ float scaled;
+ const char *units[] = { "B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB",
+ "ZiB", "YiB" };
+
+ scaled = bytes;
+ for (i = 0; i < LEN(units) && scaled >= 1024; i++) {
+ scaled /= 1024.0;
+ }
+
+ return bprintf("%.1f%s", scaled, units[i]);
+}
+
int
pscanf(const char *path, const char *fmt, ...)
{
diff --git a/util.h b/util.h
@@ -9,4 +9,5 @@ void warn(const char *, ...);
void die(const char *, ...);
const char *bprintf(const char *fmt, ...);
+const char *fmt_scaled(size_t);
int pscanf(const char *path, const char *fmt, ...);