From 625d42d52af820712eb36700dbf7e2fad8221da6 Mon Sep 17 00:00:00 2001
From: Gavin Hayes <gavin@computoid.com>
Date: Wed, 17 Aug 2022 13:49:39 -0400
Subject: [PATCH] stdio fmt: fix %.0e by always rounding even if precision is 0

---
 libc/stdio/dtoa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libc/stdio/dtoa.c b/libc/stdio/dtoa.c
index f0c7ee86e..7e4ba24a0 100644
--- a/libc/stdio/dtoa.c
+++ b/libc/stdio/dtoa.c
@@ -379,7 +379,7 @@ int __fmt_dtoa(int (*out)(const char *, void *, size_t), void *arg, int d,
       if (prec < 0) prec = 0;
       if (!longdouble) {
         x = va_arg(va, double);
-        s = s0 = dtoa(x, prec ? 2 : 0, prec + 1, &decpt, &fpb.sign, &se);
+        s = s0 = dtoa(x, 2, prec + 1, &decpt, &fpb.sign, &se);
         if (decpt == 9999) {
           if (s && s[0] == 'N') {
             fpb.kind = STRTOG_NaN;