Move test if zlog stream is finished to zlog_stream_str

Author: bukka

sapi/fpm/fpm/zlog.c

@@ -354,10 +354,6 @@ static ssize_t zlog_stream_buf_append(struct zlog_stream *stream, const char *st
 {
 	int finished = 0;
 
-	if (stream->finished) {
-		return 0;
-	}
-
 	if (stream->len + len > zlog_limit) {
 		stream->finished = finished = 1;
 		len = zlog_limit - stream->len;
@@ -383,10 +379,6 @@ static inline ssize_t zlog_stream_write(struct zlog_stream *stream, const char *
 	const char *append;
 	size_t append_len;
 
-	if (stream->finished) {
-		return 0;
-	}
-
 	if (stream->len + len >= zlog_limit) {
 		stream->finished = finished = 1;
 		append = (stream->len + len == zlog_limit) ? "\n" : "...\n";
@@ -490,6 +482,10 @@ ssize_t zlog_stream_format(struct zlog_stream *stream, const char *fmt, ...) /*
 
 ssize_t zlog_stream_str(struct zlog_stream *stream, const char *str, size_t str_len) /* {{{ */
 {
+	if (stream->finished) {
+		return 0;
+	}
+
 	if (stream->use_buffer) {
 		return zlog_stream_buf_append(stream, str, str_len);
 	}