From 4a9a4eda859722982ad4588315d57cf588137b5d Mon Sep 17 00:00:00 2001
From: Ramakrishnan Muthukrishnan <ram@rkrishnan.org>
Date: Sat, 15 Jul 2023 20:09:54 +0530
Subject: [PATCH] remove unused variables etc

---
 discovery.c  | 2 +-
 iambic.c     | 2 +-
 pulseaudio.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/discovery.c b/discovery.c
index 6a46c16..64b99a5 100644
--- a/discovery.c
+++ b/discovery.c
@@ -268,7 +268,7 @@ void discovery() {
   // Try to locate IP addr
   FILE *fp=fopen("ip.addr","r");
   if (fp) {
-    char *c=fgets(ipaddr_tcp, IPADDR_LEN,fp);
+    fgets(ipaddr_tcp, IPADDR_LEN,fp);
     fclose(fp);
     ipaddr_tcp[IPADDR_LEN-1]=0;
     // remove possible trailing newline char in ipaddr_tcp
diff --git a/iambic.c b/iambic.c
index a7ff8a2..9751e3f 100644
--- a/iambic.c
+++ b/iambic.c
@@ -343,7 +343,7 @@ static void* keyer_thread(void *arg) {
     int interval = 1000000; // 1 ms
     int i;
     int kdelay;
-    int old_volume;
+    int old_volume = 0;
     int txmode;
 #ifdef __APPLE__
     struct timespec now;
diff --git a/pulseaudio.c b/pulseaudio.c
index b0b6bfd..7bd4f1b 100644
--- a/pulseaudio.c
+++ b/pulseaudio.c
@@ -215,12 +215,12 @@ static void *mic_read_thread(gpointer arg) {
     g_mutex_unlock(&audio_mutex);
   }
   g_print("%s: exit\n",__FUNCTION__);
+  return NULL;
 }
 
 int audio_open_input() {
   pa_sample_spec sample_spec;
   int result=0;
-  int err;
 
   if(transmitter->microphone_name==NULL) {
     return -1;
-- 
2.45.2