From 85dc7cf0749661e799c488a515a12ab9353ee5b2 Mon Sep 17 00:00:00 2001
From: Marco Paland <marco@paland.com>
Date: Fri, 20 Apr 2018 13:28:55 +0200
Subject: fix(printf): fixed floating point sign handling

---
 printf.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'printf.c')

diff --git a/printf.c b/printf.c
index 69c7ea7..418386a 100644
--- a/printf.c
+++ b/printf.c
@@ -303,16 +303,16 @@ static size_t _ftoa(double value, char* buffer, size_t maxlen, unsigned int prec
       break;
     }
   }
-  
+
   // pad leading zeros
-  while (!(flags & FLAGS_LEFT) && (len < prec) && (len < PRINTF_FTOA_BUFFER_SIZE)) {
-    buf[len++] = '0';
-  }
   while (!(flags & FLAGS_LEFT) && (flags & FLAGS_ZEROPAD) && (len < width) && (len < PRINTF_FTOA_BUFFER_SIZE)) {
     buf[len++] = '0';
   }
 
   // handle sign
+  if ((len == width) && (negative || (flags & FLAGS_PLUS) || (flags & FLAGS_SPACE))) {
+    len--;
+  }
   if (len < PRINTF_FTOA_BUFFER_SIZE) {
     if (negative) {
       buf[len++] = '-';
-- 
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