From f89cec2214dd59fe16482668bf1dc70a78e79a84 Mon Sep 17 00:00:00 2001
From: supermerill <merill@free.fr>
Date: Tue, 4 Jan 2022 00:32:27 +0100
Subject: [PATCH] remove trailing '.' after int values in gcode
 supermerill/SuperSlicer#2151

---
 src/libslic3r/GCodeWriter.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/libslic3r/GCodeWriter.cpp b/src/libslic3r/GCodeWriter.cpp
index 09e45f1fe..20c24982f 100644
--- a/src/libslic3r/GCodeWriter.cpp
+++ b/src/libslic3r/GCodeWriter.cpp
@@ -35,12 +35,17 @@ std::string to_string_nozero(double value, int32_t max_precision) {
         ss << std::fixed << std::setprecision(int(std::min(15 - long10, int(max_precision)))) << value;
         std::string ret = ss.str();
         uint8_t nb_del = 0;
-        for (uint8_t i = uint8_t(ss.tellp()) - 1; i > 0; i--) {
-            if (ret[i] == '0')
+        uint8_t idx_char;
+        for (idx_char = uint8_t(ss.tellp()) - 1; idx_char > 0; idx_char--) {
+            if (ret[idx_char] == '0')
                 nb_del++;
             else
                 break;
         }
+        // remove the '.' at the end of the int
+        if(idx_char > 0 && ret[idx_char] == '.')
+            nb_del++;
+
         if (nb_del > 0)
             return ret.substr(0, ret.size() - nb_del);
         else