* #31630: added libgsm
diff --git a/jni/libgsm/src/gsm_option.c b/jni/libgsm/src/gsm_option.c
new file mode 100644
index 0000000..274b7b1
--- /dev/null
+++ b/jni/libgsm/src/gsm_option.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
+ * Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
+ * details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
+ */
+
+/* $Header: /tmp_amd/presto/export/kbs/jutta/src/gsm/RCS/gsm_option.c,v 1.3 1996/07/02 09:59:05 jutta Exp $ */
+
+#include "private.h"
+
+#include "gsm.h"
+#include "proto.h"
+
+int gsm_option P3((r, opt, val), gsm r, int opt, int * val)
+{
+	int 	result = -1;
+
+	switch (opt) {
+	case GSM_OPT_LTP_CUT:
+#ifdef 	LTP_CUT
+		result = r->ltp_cut;
+		if (val) r->ltp_cut = *val;
+#endif
+		break;
+
+	case GSM_OPT_VERBOSE:
+#ifndef	NDEBUG
+		result = r->verbose;
+		if (val) r->verbose = *val;
+#endif
+		break;
+
+	case GSM_OPT_FAST:
+
+#if	defined(FAST) && defined(USE_FLOAT_MUL)
+		result = r->fast;
+		if (val) r->fast = !!*val;
+#endif
+		break;
+
+	case GSM_OPT_FRAME_CHAIN:
+
+#ifdef WAV49
+		result = r->frame_chain;
+		if (val) r->frame_chain = *val;
+#endif
+		break;
+
+	case GSM_OPT_FRAME_INDEX:
+
+#ifdef WAV49
+		result = r->frame_index;
+		if (val) r->frame_index = *val;
+#endif
+		break;
+
+	case GSM_OPT_WAV49:
+
+#ifdef WAV49 
+		result = r->wav_fmt;
+		if (val) r->wav_fmt = !!*val;
+#endif
+		break;
+
+	default:
+		break;
+	}
+	return result;
+}