Reformat stopwatch.h for readability

library/include/dfhack/extra/stopwatch.h

@@ -1,4 +1,7 @@
+// Returns the amount of milliseconds elapsed since the UNIX epoch.
+// Works on both windows and linux.
 // source: http://stackoverflow.com/questions/1861294/how-to-calculate-execution-time-of-a-code-snippet-in-c
+
 #ifndef LINUX_BUILD
     #include <Windows.h>
 #else
@@ -6,40 +9,39 @@
     #include <ctime>
 #endif
 
-/* Returns the amount of milliseconds elapsed since the UNIX epoch. Works on both
- * windows and linux. */
+#ifdef LINUX_BUILD // Linux
+uint64_t GetTimeMs64()
+{
+    struct timeval tv;
+    gettimeofday(&tv, NULL);
+    uint64_t ret = tv.tv_usec;
+
+    // Convert from micro seconds (10^-6) to milliseconds (10^-3)
+    ret /= 1000;
+    // Adds the seconds (10^0) after converting them to milliseconds (10^-3)
+    ret += (tv.tv_sec * 1000);
+    return ret;
+}
+
 
+#else // Windows
 uint64_t GetTimeMs64()
 {
-    #ifndef LINUX_BUILD
-     /* Windows */
-     FILETIME ft;
-     LARGE_INTEGER li;
-
-     /* Get the amount of 100 nano seconds intervals elapsed since January 1, 1601 (UTC) and copy it
-      * to a LARGE_INTEGER structure. */
-     GetSystemTimeAsFileTime(&ft);
-     li.LowPart = ft.dwLowDateTime;
-     li.HighPart = ft.dwHighDateTime;
-
-     uint64_t ret = li.QuadPart;
-     ret -= 116444736000000000LL; /* Convert from file time to UNIX epoch time. */
-      ret /= 10000; /* From 100 nano seconds (10^-7) to 1 millisecond (10^-3) intervals */
-
-       return ret;
-       #else
-       /* Linux */
-       struct timeval tv;
-       
-       gettimeofday(&tv, NULL);
-       
-       uint64_t ret = tv.tv_usec;
-       /* Convert from micro seconds (10^-6) to milliseconds (10^-3) */
-       ret /= 1000;
-       
-       /* Adds the seconds (10^0) after converting them to milliseconds (10^-3) */
-       ret += (tv.tv_sec * 1000);
-       
-       return ret;
-       #endif
+    FILETIME ft;
+    LARGE_INTEGER li;
+
+    // Get the amount of 100 nano seconds intervals elapsed since January 1, 1601 (UTC)
+    // and copy it to a LARGE_INTEGER structure.
+    GetSystemTimeAsFileTime(&ft);
+    li.LowPart = ft.dwLowDateTime;
+    li.HighPart = ft.dwHighDateTime;
+
+    uint64_t ret = li.QuadPart;
+    // Convert from file time to UNIX epoch time.
+    ret -= 116444736000000000LL;
+    // From 100 nano seconds (10^-7) to 1 millisecond (10^-3) intervals
+    ret /= 10000;
+
+    return ret;
 }
+#endif