graph.cc: coding style fixes

graph.cc

@@ -3,34 +3,42 @@
 
 #include "graph.h"
 
-char * getGraphByPercentage(unsigned value, unsigned len) {
+std::string get_graph_by_percentage(unsigned value, unsigned len) 
-   unsigned step = 0;
+{
-   char * bars = new char[len + 1];
+  unsigned step = 0;
+  std::string bars;
 
-   unsigned barCount = (static_cast<float>(value) / 99.9 * len);
+  unsigned bar_count = (static_cast<float>(value) / 99.9 * len);
 
-   for(step; step < barCount; step++)
+  for(step; step < bar_count; step++)
-      bars[step] = '|';
+  {
-   for(step; step < len; step++)
+    bars.append("|");
-      bars[step] = ' ';
+  }
-   bars[len]='\0';
+  for(step; step < len; step++)
+  {
+    bars.append(" ");
+  }
 
-   return bars;
+  return bars;
 }
 
 
-char * getGraphByValue(unsigned value, unsigned max, unsigned len) {
+std::string get_graph_by_value(unsigned value, unsigned max, unsigned len)
-   unsigned step = 0;
+{
-   char * bars = new char[len + 1];
+  unsigned step = 0;
+  std::string bars;
 
-   unsigned barCount = (static_cast<float>(value / (max - 0.1)) * len);
+  unsigned bar_count = (static_cast<float>(value / (max - 0.1)) * len);
 
-   for(step; step < barCount; step++)
+  for(step; step < bar_count; step++)
-      bars[step] = '|';
+  {
-   for(step; step < len; step++)
+    bars.append("|");
-      bars[step] = ' ';
+  }
-   bars[len]='\0';
+  for(step; step < len; step++)
+  {
+    bars.append(" ");
+  }
 
-   return bars;
+  return bars;
 }
 

graph.h

@@ -1,7 +1,9 @@
 #ifndef GRAPH_H_
 #define GRAPH_H_
 
-char * getGraphByPercentage(unsigned, unsigned len = 10);
+#include <string>
-char * getGraphByValue(unsigned, unsigned, unsigned len = 10);
+
+std::string get_graph_by_percentage(unsigned, unsigned len = 10);
+std::string get_graph_by_value(unsigned, unsigned, unsigned len = 10);
 
 #endif