cleanup reading from interface, when argArrayLength returned by buffer2array

is 0, we weren't dealing with this well at all!

git-svn-id: https://svn.musicpd.org/mpd/trunk@559 09075e82-0dd4-0310-85a5-a0d7c8717e4f

src/buffer2array.c

@@ -61,6 +61,12 @@ int buffer2array(char * origBuffer, char *** array) {
 	}
 	markArray[bufferLength] = '\0';
 
+	if(!count) {
+		free(buffer);
+		free(markArray);
+		return count;
+	}
+
 	beginArray = malloc(sizeof(int)*count);
 	(*array) = malloc(sizeof(char *)*count);
 
@@ -107,6 +113,8 @@ int buffer2array(char * origBuffer, char *** array) {
 void freeArgArray(char ** array, int argArrayLength) {
 	int i;
 
+	if(argArrayLength==0) return;
+
 	for(i=0;i<argArrayLength;i++) {
 		free(array[i]);
 	}