Fix compiler warnings

- Added several asprintfs result checks
- Fixed a sprintf call

2 files changed, 21 insertions, 6 deletions

diff --git a/lcd.c b/lcd.c
index 4229166..6c8151e 100644
--- a/lcd.c
+++ b/lcd.c
@@ -67,7 +67,10 @@ cLcd::~cLcd() {
 }
 
 bool cLcd::Connect( const char *host, unsigned int port ) {
-  asprintf(&(this->host), "%s", host);
+  if (asprintf(&(this->host), "%s", host) < 0) {
+	  syslog(LOG_ERR, "lcdproc: error allocating memory in asprintf");
+	  return false;
+  }
   this->port = port;
   cLcd::Open();
 
@@ -912,7 +915,7 @@ void cLcd::Action(void) { // LCD output thread
 		  if ( (now.tv_usec < WakeUpCycle) && (replayDvbApi) ) {
 			  char tempbuffer[16];
 			  replayDvbApi->GetIndex(Current, Total, false); Total=(Total==0)?1:Total;
-			  sprintf(tempbuffer,IndexToHMSF(Total));
+			  sprintf(tempbuffer,"%s",(const char*)IndexToHMSF(Total));
 			  SetProgress(IndexToHMSF(Current),tempbuffer, (100 * Current) / Total);
 		  }
 
diff --git a/lcdproc.c b/lcdproc.c
index 4ce0385..ff55b99 100644
--- a/lcdproc.c
+++ b/lcdproc.c
@@ -121,7 +121,10 @@ void cLcdFeed::SetAudioTrack(int Index, const char * const *Tracks)
 	OsdTitle(trVDR("Button$Audio"));
 	if (AudioTrack)
 		free(AudioTrack);
-	asprintf(&AudioTrack, "%s", Tracks[Index]);
+	if (asprintf(&AudioTrack, "%s", Tracks[Index]) < 0) {
+		syslog(LOG_ERR, "lcdproc: error allocating memory in asprintf");
+		return;
+	}
 	OsdCurrentItem(AudioTrack);
 }
 
@@ -129,13 +132,22 @@ void cLcdFeed::SetAudioChannel(int AudioChannel){
 	char * TrackDescription;
 	switch (AudioChannel){
 	case 0:
-		asprintf(&TrackDescription, "%s (%s)", AudioTrack, tr("Stereo"));
+		if (asprintf(&TrackDescription, "%s (%s)", AudioTrack, tr("Stereo")) < 0) {
+			syslog(LOG_ERR, "lcdproc: error allocating memory in asprintf");
+			return;
+		}
 		break;
 	case 1:
-		asprintf(&TrackDescription, "%s (%s)", AudioTrack, tr("Left channel"));
+		if (asprintf(&TrackDescription, "%s (%s)", AudioTrack, tr("Left channel")) < 0) {
+			syslog(LOG_ERR, "lcdproc: error allocating memory in asprintf");
+			return;
+		}
 		break;
 	case 2:
-		asprintf(&TrackDescription, "%s (%s)", AudioTrack, tr("Right channel"));
+		if (asprintf(&TrackDescription, "%s (%s)", AudioTrack, tr("Right channel")) < 0) {
+			syslog(LOG_ERR, "lcdproc: error allocating memory in asprintf");
+			return;
+		}
 		break;
 	default:
 		return;