Merge branch 'num2str-patch' of https://github.com/gloit042/fio

* 'num2str-patch' of https://github.com/gloit042/fio: num2str: fix precision loss bug when the fractional part is close to 1
axboe · Jan 9, 2021 · 674428a · 674428a
2 parents 8f14dc6 + c736b36
commit 674428a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/num2str.c b/lib/num2str.c
@@ -110,6 +110,9 @@ char *num2str(uint64_t num, int maxlen, int base, int pow2, enum n2s_unit units)
 	sprintf(tmp, "%.*f", (int)(maxlen - strlen(tmp) - 1),
 		(double)modulo / (double)thousand);
 
+	if (tmp[0] == '1')
+		num++;
+
 	if (asprintf(&buf, "%llu.%s%s%s", (unsigned long long) num, &tmp[2],
 		     unitprefix[post_index], unitstr[units]) < 0)
 		buf = NULL;