Fixed spurious error at EOF -- must still modify rest of programs

sm/apps/json_pipe.c

@@ -15,9 +15,15 @@ int main(int argc, const char * argv[]) {
 		return -1;
 	}
 	
-	JO jo; 
 	
-	while((jo = json_read_stream(stdin))) {
+	while(1) { 
+		JO jo = json_read_stream(stdin);
+		if(!jo) {
+			if(feof(stdin)) break;
+			sm_error("Malformed JSON\n");
+			return -1;
+		}
+		
 		const char * s = json_object_to_json_string(jo);
 		int i; for(i=0;i<n;i++) {
 			puts(s); puts("\n");

sm/apps/sm1.c

@@ -97,8 +97,17 @@ int main(int argc, const char*argv[]) {
 	LDP ld1, ld2;
 	while(1) {
 		ld1 = ld_from_json_stream(file1);
+		if(!ld1) {
+			if(feof(file1)) break;
+			sm_error("Invalid data in file1 '%s' \n", p.file1);
+			return 2;
+		}
 		ld2 = ld_from_json_stream(file2);
-		if(!ld1 || !ld2) break;
+		if(!ld2) {
+			if(feof(file2)) break;
+			sm_error("Invalid data in file2 '%s' \n", p.file2);
+			return 3;
+		}
 		
 		params.laser_ref = ld1;
 		params.laser_sens = ld2;

sm/csm/laser_data_json.c

@@ -223,7 +223,8 @@ LDP ld_from_json_stream(FILE*file) {
 	
 	jo = json_read_stream(file);
 	if(!jo) {
-		sm_error("Invalid JSON found.\n");
+		if(!feof(file))
+			sm_error("Invalid JSON found.\n");
 		return 0;
 	}