Clean up funny code and initialize variables.

diff --git a/libs/ardour/io.cc b/libs/ardour/io.cc
index 333b0b1ea05e8bf232c48748ca0ab371326adb75..be626b30100576f2608ae9225e7bc6bf8a0e4c7d 100644 (file)
--- a/libs/ardour/io.cc
+++ b/libs/ardour/io.cc
@@ -1098,7 +1098,6 @@ int
 IO::set_ports (const string& str)
 {
        vector<string> ports;
-       int i;
        int n;
        uint32_t nports;
 
@@ -1115,14 +1114,10 @@ IO::set_ports (const string& str)
                }
        }
 
-       string::size_type start, end, ostart;
-
-       ostart = 0;
-       start = 0;
-       end = 0;
-       i = 0;
-
-       while ((start = str.find_first_of ('{', ostart)) != string::npos) {
+       string::size_type start  = 0;
+       string::size_type end    = 0;
+       string::size_type ostart = 0;
+       for (int i = 0; (start = str.find_first_of ('{', ostart)) != string::npos; ++i) {
                start += 1;
 
                if ((end = str.find_first_of ('}', start)) == string::npos) {
@@ -1143,7 +1138,6 @@ IO::set_ports (const string& str)
                }
 
                ostart = end+1;
-               i++;
        }
 
        return 0;