- Fix stringCharInt returning negative integers

git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@9033 f25d12d1-65f4-0310-ae8a-bbce733d8d8e
OpenModelica · May 18, 2011 · 4ab151f · 4ab151f
1 parent 127a714
commit 4ab151f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/c_runtime/meta_modelica_builtin.cpp b/c_runtime/meta_modelica_builtin.cpp
@@ -72,10 +72,12 @@ modelica_metatype boxptr_intMax(modelica_metatype a,modelica_metatype b)
 
 stringCharInt_rettype stringCharInt(metamodelica_string chr)
 {
+  unsigned char c;
   if (MMC_STRLEN(chr) != 1)
     MMC_THROW();
   MMC_CHECK_STRING(chr);
-  return (int) MMC_STRINGDATA(chr)[0];
+  c = (unsigned char) MMC_STRINGDATA(chr)[0];
+  return c;
 }
 
 intStringChar_rettype intStringChar(modelica_integer ix)