Fix Windows compilation

[libs/core.git] / source / strings / utils.cpp

diff --git a/source/strings/utils.cpp b/source/strings/utils.cpp
index fff6cdb290362cb724b96b61c29f68c5970dfe0c..416188ec3d574e71caaecf2fa4353eaff8f67564 100644 (file)
--- a/source/strings/utils.cpp
+++ b/source/strings/utils.cpp
@@ -1,6 +1,7 @@
 #include <algorithm>
 #include <list>
 #include <stdexcept>
+#include <cctype>
 #include "utils.h"
 
 using namespace std;
@@ -253,7 +254,9 @@ string c_escape(const string &str, bool escape_8bit)
                        result += "\\\\";
                else if(static_cast<unsigned char>(*i)<' ' || (escape_8bit && (*i&0x80)))
                {
-                       char buf[4] = {'\\', '0'+((*i>>6)&3), '0'+((*i>>3)&7), '0'+(*i&7)};
+                       char buf[4] = { '\\', 0 };
+                       for(unsigned j=0; j<3; ++j)
+                               buf[1+j] = '0'+((static_cast<unsigned char>(*i)>>(6-j*3))&7);
                        result.append(buf, 4);
                }
                else