[General] Add getNumberOfDigits to Utils in components

components/openmw-mp/Utils.cpp

@@ -54,7 +54,7 @@ void Utils::timestamp()
     printf("%s", t);
 }
 
-// http://stackoverflow.com/questions/1637587/c-libcurl-console-progress-bar
+// Based on http://stackoverflow.com/questions/1637587/c-libcurl-console-progress-bar
 int Utils::progressFunc(double TotalToDownload, double NowDownloaded)
 {
     // how wide you want the progress meter to be
@@ -85,6 +85,18 @@ bool Utils::compareDoubles(double a, double b, double epsilon)
     return fabs(a - b) < epsilon;
 }
 
+// Based on https://stackoverflow.com/a/1489873
+unsigned int Utils::getNumberOfDigits(int integer)
+{
+    int digits = 0;
+    if (integer < 0) digits = 1;
+    while (integer) {
+        integer /= 10;
+        digits++;
+    }
+    return digits;
+}
+
 std::string Utils::toString(int num)
 {
     std::ostringstream stream;

components/openmw-mp/Utils.hpp

@@ -26,6 +26,7 @@ namespace Utils
 
     int progressFunc(double TotalToDownload, double NowDownloaded);
 
+    unsigned int getNumberOfDigits(int integer);
     bool compareDoubles(double a, double b, double epsilon);
 
     template <class Type, class Type2>