Merge pull request #2 from marckleinebudde/fix-disable-logging

Fix disable logging

Author: marckleinebudde

src/libsocketcan.c

@@ -42,8 +42,8 @@
 
 /* Define DISABLE_ERROR_LOG to disable printing of error messages to stderr. */
 #ifdef DISABLE_ERROR_LOG
-#define perror(x)
-#define fprintf(...)
+#define perror(x)				while (0) { perror(x); }
+#define fprintf(stream, format, args...)	while (0) { fprintf(stream, format, ##args); }
 #endif
 
 #define parse_rtattr_nested(tb, max, rta) \
@@ -437,9 +437,9 @@ static int do_get_nl_link(int fd, __u8 acquire, const char *name, void *res)
 				continue;
 
 			if (acquire == GET_XSTATS) {
-				if (!linkinfo[IFLA_INFO_XSTATS])
+				if (!linkinfo[IFLA_INFO_XSTATS]) {
 					fprintf(stderr, "no can statistics found\n");
-				else {
+				} else {
 					memcpy(res, RTA_DATA(linkinfo[IFLA_INFO_XSTATS]),
 					       sizeof(struct can_device_stats));
 					ret = 0;