From 7ef22ed2f152bf7ebd9edfb7aeddb615d3e9b549 Mon Sep 17 00:00:00 2001
From: Erik de Castro Lopo <erikd@mega-nerd.com>
Date: Mon, 21 Mar 2011 21:16:13 +1100
Subject: [PATCH] programs/common.[ch] : Add function program_name().

---
 ChangeLog         |  6 ++++++
 programs/common.c | 17 +++++++++++++++++
 programs/common.h |  2 ++
 3 files changed, 25 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index fb6816a9..ee09b881 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-03-21  Erik de Castro Lopo  <erikd AT mega-nerd DOT com>
+
+    * programs/common.[ch]
+    Add function program_name() which returns the program name minus the path
+    from argv [0].
+
 2011-03-20  Erik de Castro Lopo  <erikd AT mega-nerd DOT com>
 
     * src/wav.c
diff --git a/programs/common.c b/programs/common.c
index 89e512b4..41b8e6e4 100644
--- a/programs/common.c
+++ b/programs/common.c
@@ -360,3 +360,20 @@ sfe_dump_format_map (void)
 		} ;
 
 } /* sfe_dump_format_map */
+
+const char *
+program_name (const char * argv0)
+{	const char * tmp ;
+
+	tmp = strrchr (argv0, '/') ;
+	argv0 = tmp ? tmp + 1 : argv0 ;
+
+	tmp = strrchr (argv0, '/') ;
+	argv0 = tmp ? tmp + 1 : argv0 ;
+
+	/* Remove leading libtool name mangling. */
+	if (strstr (argv0, "lt-") == argv0)
+		return argv0 + 3 ;
+
+	return argv0 ;
+} /* program_name */
diff --git a/programs/common.h b/programs/common.h
index 69cb7a0c..999690d9 100644
--- a/programs/common.h
+++ b/programs/common.h
@@ -69,3 +69,5 @@ void sfe_copy_data_int (SNDFILE *outfile, SNDFILE *infile, int channels) ;
 int sfe_file_type_of_ext (const char *filename, int format) ;
 
 void sfe_dump_format_map (void) ;
+
+const char * program_name (const char * argv0) ;