Printf format sanitising.

Refactored version for next, use a new helper in simgear::strutils.
2013-09-15 13:30:12 +01:00
parent 0e2ddb2f16
commit a18792c397
3 changed files with 23 additions and 2 deletions
@@ -26,6 +26,8 @@

 #include "strutils.hxx"

+#include <simgear/debug/logstream.hxx>
+
 using std::string;
 using std::vector;
 using std::stringstream;
@@ -484,6 +486,17 @@ std::string unescape(const char* s)
  return r;
 }

+string sanitizePrintfFormat(const string& input)
+{
+    string::size_type i = input.find("%n");
+    if (i != string::npos) {
+        SG_LOG(SG_IO, SG_WARN, "sanitizePrintfFormat: bad format string:" << input);
+        return string();
+    }
+    
+    return input;
+}
+
 } // end namespace strutils
    
 } // end namespace simgear