From: Richard Kettlewell <richard@deodand>
Date: Thu, 17 Jun 2010 19:28:39 +0000 (+0100)
Subject: Fix a few of the things the Clang static analyzer detects:
X-Git-Tag: branchpoint-5.1~74^2~3
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/commitdiff_plain/375d9478a5b6b14bfb5f6e1a054e900a18e40717

Fix a few of the things the Clang static analyzer detects:
 - some unused variables
 - disorder-dump -r was broken
---

diff --git a/lib/cgi.c b/lib/cgi.c
index 15b556c..9fd42f1 100644
--- a/lib/cgi.c
+++ b/lib/cgi.c
@@ -226,7 +226,6 @@ void cgi_clear(void) {
  */
 char *cgi_sgmlquote(const char *src) {
   uint32_t *ucs, c;
-  int n;
   struct dynstr d[1];
   struct sink *s;
 
@@ -234,7 +233,6 @@ char *cgi_sgmlquote(const char *src) {
     exit(1);
   dynstr_init(d);
   s = sink_dynstr(d);
-  n = 1;
   /* format the string */
   while((c = *ucs++)) {
     switch(c) {
diff --git a/lib/client.c b/lib/client.c
index 67f8a53..00727ef 100644
--- a/lib/client.c
+++ b/lib/client.c
@@ -507,7 +507,7 @@ int disorder_close(disorder_client *c) {
   }
   c->ident = 0;
   c->user = 0;
-  return 0;
+  return ret;
 }
 
 /** @brief Play a track
diff --git a/plugins/exec.c b/plugins/exec.c
index f6ed8b3..e2e712c 100644
--- a/plugins/exec.c
+++ b/plugins/exec.c
@@ -39,7 +39,6 @@ void disorder_play_track(const char *const *parameters,
   const char **vec;
 
   vec = disorder_malloc((nparameters + 2) * sizeof (char *));
-  i = 0;
   j = 0;
   for(i = 0; i < nparameters; ++i)
     vec[j++] = parameters[i];
diff --git a/server/dump.c b/server/dump.c
index cdc3a44..fb07415 100644
--- a/server/dump.c
+++ b/server/dump.c
@@ -378,8 +378,8 @@ int main(int argc, char **argv) {
     case 'd': dump = 1; break;
     case 'u': undump = 1; break;
     case 'D': debugging = 1; break;
-    case 'r': recover = TRACKDB_NORMAL_RECOVER;
-    case 'R': recover = TRACKDB_FATAL_RECOVER;
+    case 'r': recover = TRACKDB_NORMAL_RECOVER; break;
+    case 'R': recover = TRACKDB_FATAL_RECOVER; break;
     case 'a': recompute = 1; break;
     case 'P': remove_pathless = 1; break;
     default: disorder_fatal(0, "invalid option");
diff --git a/server/schedule.c b/server/schedule.c
index f1b20a1..c7b4eed 100644
--- a/server/schedule.c
+++ b/server/schedule.c
@@ -471,14 +471,12 @@ static int schedule_lookup(const char *id,
 static int schedule_trigger(ev_source *ev,
 			    const struct timeval attribute((unused)) *now,
 			    void *u) {
-  const char *action, *id = u;
+  const char *id = u;
   struct kvp *actiondata = schedule_get(id);
   int n;
 
   if(!actiondata)
     return 0;
-  /* schedule_get() enforces these being present */
-  action = kvp_get(actiondata, "action");
   /* Look up the action */
   n = schedule_lookup(id, actiondata);
   if(n < 0)
diff --git a/server/server.c b/server/server.c
index 858edbc..4dafabb 100644
--- a/server/server.c
+++ b/server/server.c
@@ -1177,7 +1177,7 @@ static int c_nop(struct conn *c,
 static int c_new(struct conn *c,
 		 char **vec,
 		 int nvec) {
-  int max, n;
+  int max;
   char **tracks;
 
   if(nvec > 0)
@@ -1188,7 +1188,6 @@ static int c_new(struct conn *c,
     max = config->new_max;
   tracks = trackdb_new(0, max);
   sink_printf(ev_writer_sink(c->w), "253 New track list follows\n");
-  n = 0;
   while(*tracks) {
     sink_printf(ev_writer_sink(c->w), "%s%s\n",
 		**tracks == '.' ? "." : "", *tracks);