From 747b8d8f71ed5b557234feffa44ff1ed98bed39b Mon Sep 17 00:00:00 2001
From: Rohit Nirmal <rohitnirmal9@gmail.com>
Date: Thu, 27 Jul 2017 23:51:36 -0500
Subject: [PATCH] stb_sprintf.h: Don't compare uninitialized value when using
 zero. This prevents a "Conditional jump or move depends on uninitialised
 value(s)" error from valgrind when using zero as an argument in line 1045.

---
 stb_sprintf.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/stb_sprintf.h b/stb_sprintf.h
index 3828445..abf4371 100644
--- a/stb_sprintf.h
+++ b/stb_sprintf.h
@@ -12,6 +12,7 @@
 //    github:d26435
 //    github:trex78
 //    Jari Komppa (SI suffixes)
+//    Rohit Nirmal
 //
 // LICENSE:
 //
@@ -1025,11 +1026,11 @@ STBSP__PUBLICDEF int STB_SPRINTF_DECORATE(vsprintfcb)(STBSP_SPRINTFCB *callback,
                n64 = 0;
             }
             if ((fl & STBSP__TRIPLET_COMMA) == 0) {
-               while (n) {
+               do {
                   s -= 2;
                   *(stbsp__uint16 *)s = *(stbsp__uint16 *)&stbsp__digitpair[(n % 100) * 2];
                   n /= 100;
-               }
+               } while (n);
             }
             while (n) {
                if ((fl & STBSP__TRIPLET_COMMA) && (l++ == 3)) {