Rewrite FormatMoney function

diff --git a/src/util.cpp b/src/util.cpp
index 53ad364..6a44ec8 100644 (file)
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -365,13 +365,14 @@ void ParseString(const string& str, char c, vector<string>& v)
 
 string FormatMoney(int64_t n, bool fPlus)
 {
-    // Note: not using straight sprintf here because we do NOT want
-    // localized number formatting.
-    int64_t n_abs = (n > 0 ? n : -n);
-    int64_t quotient = n_abs/COIN;
-    int64_t remainder = n_abs%COIN;
-    string str = strprintf("%" PRId64 ".%06" PRId64, quotient, remainder);
+    ostringstream ss;
 
+    if (n < 0)
+        ss << '-';
+    else if (fPlus && n > 0)
+        ss << '+';
+    ss << abs(n/COIN) << '.' << setfill('0') << setw(6) << abs(n%COIN);
+    string str = ss.str();
     // Right-trim excess zeros before the decimal point:
     size_t nTrim = 0;
     for (size_t i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
@@ -379,10 +380,6 @@ string FormatMoney(int64_t n, bool fPlus)
     if (nTrim)
         str.erase(str.size()-nTrim, nTrim);
 
-    if (n < 0)
-        str.insert(0u, 1, '-');
-    else if (fPlus && n > 0)
-        str.insert(0u, 1, '+');
     return str;
 }