Many fixes for MString, ZString.

ZString.cpp

@@ -45,14 +45,20 @@ namespace coreutils {
       //      Log(LOG_DEBUG_2) << "ZString Copy Constructor: ";
    }
 
-   ZString::ZString(std::string data) {
+   ZString::ZString(std::string &data) {
       this->data = (char *)data.c_str();
       length = data.length();
       cursor = (char *)data.c_str();
    }
 
+//   ZString::ZString(std::string data) {
+//      this->data = (char *)data.c_str();
+//      length = data.length();
+//      cursor = (char *)data.c_str();
+//   }
+
    ZString::~ZString() {
-      if(cdata)
+      if(cdata != NULL)
         free(cdata);
    }
 
@@ -64,10 +70,16 @@ namespace coreutils {
       return (strncmp(data, valuex.data, valuex.length <= length ? valuex.length : length) > 0);
    }
 
-   bool ZString::operator==(const ZString &valuex) const {
+   bool ZString::operator==(const ZString &valuex) {
       return (strncmp(data, valuex.data, valuex.length <= length ? valuex.length : length) == 0);
    }
 
+   bool ZString::operator==(std::string value) {
+      if(value.length() != length)
+	return false;
+      return (strncmp(data, value.c_str(), length) == 0);
+   }
+
    bool ZString::operator==(const char *valuex) const {
       return (strncmp(data, valuex, length) == 0);
    }
@@ -105,14 +117,14 @@ namespace coreutils {
    }
 
    void ZString::push() {
-      stack.push(cursor);      
+      stack.push(cursor);
    }
 
    void ZString::pop() {
       cursor = stack.top();
-      stack.pop();      
+      stack.pop();
    }
-      
+
    std::string ZString::str() {
       return std::string(data, length);
    }
@@ -126,7 +138,7 @@ namespace coreutils {
       strncpy(cdata, data, length);
       cdata[length] = '\0';
       return cdata;
-   }   
+   }
 
    ZString ZString::substring(int start) {
       char *end = data + length;
@@ -167,7 +179,7 @@ namespace coreutils {
          }
       }
       list.push_back(ZString(cursor, pos - cursor));
-      cursor = pos;
+      cursor = data;
       return list;
    }