Remove sstream dependency.

[libsub.git] / src / stl_binary_writer.cc

diff --git a/src/stl_binary_writer.cc b/src/stl_binary_writer.cc
index d4fe9ed69c9185ee2101ff584d5c846c1ce88bde..88e8ce59a4789bd1913c596e5e478ea88d801781 100644 (file)
--- a/src/stl_binary_writer.cc
+++ b/src/stl_binary_writer.cc
@@ -28,6 +28,7 @@
 #include "compose.hpp"
 #include "sub_assert.h"
 #include <boost/locale.hpp>
+#include <boost/algorithm/string.hpp>
 #include <list>
 #include <cmath>
 #include <fstream>
@@ -70,16 +71,32 @@ put_string (char* p, unsigned int n, string s)
        memset (p + s.length(), ' ', n - s.length ());
 }
 
+/** @param v Value
+ *  @param n Width to zero-pad v to.
+ */
 static void
 put_int_as_string (char* p, int v, unsigned int n)
 {
-       locked_stringstream s;
-       /* Be careful to ensure we get no thousands separators */
-       s.imbue (std::locale::classic ());
-       s << setw (n) << setfill ('0');
-       s << v;
-       SUB_ASSERT (s.str().length() == n);
-       put_string (p, s.str ());
+       char buffer[64];
+
+       switch (n) {
+       case 2:
+               snprintf (buffer, sizeof(buffer), "%02d", v);
+               break;
+       case 5:
+               snprintf (buffer, sizeof(buffer), "%05d", v);
+               break;
+       default:
+               SUB_ASSERT (false);
+       }
+
+       string s = buffer;
+
+       struct lconv* lc = localeconv ();
+       boost::algorithm::replace_all (s, lc->thousands_sep, "");
+       boost::algorithm::replace_all (s, lc->decimal_point, ".");
+
+       put_string (p, s);
 }
 
 static void