From 395193416fab99ececba3db11f003632c35e4dce Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 2 Apr 2008 12:29:20 +0000
Subject: [PATCH] make probably-audio-file suffix detection case insensitive

git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@3207 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/ardour/audiofilesource.cc | 48 ++++++++++++++++++++--------------
 1 file changed, 29 insertions(+), 19 deletions(-)

diff --git a/libs/ardour/audiofilesource.cc b/libs/ardour/audiofilesource.cc
index 0ef9fb2dbc..ba90026740 100644
--- a/libs/ardour/audiofilesource.cc
+++ b/libs/ardour/audiofilesource.cc
@@ -696,29 +696,39 @@ AudioFileSource::setup_peakfile ()
 bool
 AudioFileSource::safe_file_extension(ustring file)
 {
-	return !(file.rfind(".wav") == ustring::npos &&
-		file.rfind(".aiff")== ustring::npos &&
-		file.rfind(".caf")== ustring::npos &&
-		file.rfind(".aif") == ustring::npos &&
-		file.rfind(".amb") == ustring::npos &&
-		file.rfind(".snd") == ustring::npos &&
-		file.rfind(".au")  == ustring::npos &&
-		file.rfind(".raw") == ustring::npos &&
-		file.rfind(".sf")  == ustring::npos &&
-		file.rfind(".cdr") == ustring::npos &&
-		file.rfind(".smp") == ustring::npos &&
-		file.rfind(".maud")== ustring::npos &&
-		file.rfind(".vwe") == ustring::npos &&
-		file.rfind(".paf") == ustring::npos &&
+	const char* suffixes[] = {
+		".wav", ".WAV",
+		".aiff", ".AIFF",
+		".caf", ".CAF",
+		".aif", ".AIF",
+		".amb", ".AMB",
+		".snd", ".SND",
+		".au", ".AU",
+		".raw", ".RAW",
+		".sf", ".SF",
+		".cdr", ".CDR",
+		".smp", ".SMP",
+		".maud", ".MAUD",
+		".vwe", ".VWE",
+		".paf",
 #ifdef HAVE_FLAC
-		file.rfind(".flac")== ustring::npos &&
+		".flac", ".FLAC",
 #endif // HAVE_FLAC
 #ifdef HAVE_COREAUDIO
-		file.rfind(".mp3") == ustring::npos &&
-		file.rfind(".aac") == ustring::npos &&
-		file.rfind(".mp4") == ustring::npos &&
+		".mp3", ".MP3",
+		".aac", ".AAC",
+		".mp4", ".MP4",
 #endif // HAVE_COREAUDIO
-		file.rfind(".voc") == ustring::npos);
+		".voc", ".VOC"
+	};
+
+	for (size_t n = 0; n < sizeof(suffixes)/sizeof(suffixes[0]); ++n) {
+		if (file.rfind (suffixes[n]) == file.length() - strlen (suffixes[n])) {
+			return true;
+		}
+	}
+
+	return false;
 }
 
 void