From b511091728404e1637c0333db6efabf6e0d75810 Mon Sep 17 00:00:00 2001
From: Baptiste Wicht <baptiste.wicht@gmail.com>
Date: Mon, 26 Sep 2016 13:09:24 +0200
Subject: [PATCH] Add support for boolean printing

---
 printf/include/printf_def.hpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/printf/include/printf_def.hpp b/printf/include/printf_def.hpp
index 179dc6ff..e8b5b0c0 100644
--- a/printf/include/printf_def.hpp
+++ b/printf/include/printf_def.hpp
@@ -165,6 +165,16 @@ std::string vsprintf(const std::string& format, va_list va){
                     s += "B";
                 }
             }
+            // Boolean
+            else if(ch == 'b'){
+                bool value= va_arg(va, int);
+
+                if(value){
+                    s += "true";
+                } else {
+                    s += "false";
+                }
+            }
             //String
             else if(ch == 's'){
                 const char* arg = va_arg(va, const char*);
@@ -376,6 +386,16 @@ void vsprintf_raw(char* out_buffer, size_t /*n*/, const char* format, va_list va
                     out_i += str_cat(out_buffer + out_i, "B");
                 }
             }
+            // Boolean
+            else if(ch == 'b'){
+                bool value= va_arg(va, int);
+
+                if(value){
+                    out_i += str_cat(out_buffer + out_i, "true");
+                } else {
+                    out_i += str_cat(out_buffer + out_i, "false");
+                }
+            }
             //String
             else if(ch == 's'){
                 const char* arg = va_arg(va, const char*);