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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:
util.c | 16++++++++++++++++
util.h | 1+
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, ...);