permit MIDI port removal now, and save MIDI ports back to the ardour.rc file

git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@2163 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 20 insertions, 0 deletions

diff --git a/libs/pbd/convert.cc b/libs/pbd/convert.cc
index 832c54acd8..ff426cfb80 100644
--- a/libs/pbd/convert.cc
+++ b/libs/pbd/convert.cc
@@ -18,6 +18,8 @@
 */
 
 #include <cmath>
+#include <locale>
+#include <algorithm>
 #include <stdint.h>
 #ifndef __STDC_FORMAT_MACROS
 #define __STDC_FORMAT_MACROS
@@ -234,4 +236,22 @@ length2string (const int64_t frames, const double sample_rate)
 	return duration_str;
 }
 
+static bool 
+chars_equal_ignore_case(char x, char y)
+{
+	static std::locale loc;
+	return toupper(x, loc) == toupper(y, loc);
+}
+
+bool 
+strings_equal_ignore_case (const string& a, const string& b)
+{
+	if (a.length() == b.length()) {
+		return std::equal (a.begin(), a.end(), b.begin(), chars_equal_ignore_case);
+	}
+	return false;
+}
+
+
+
 } // namespace PBD