Fix flines()

src/lib/utils.c

@@ -325,7 +325,7 @@ long flines(FILE *file) {
 
     if (fseek(file, cur_pos, SEEK_SET) != 0)
         return -1;
-    return lines;
+    return lines + 1;
 }
 
 long file_get_line_pos(FILE *file, long line_num) {

src/worker/tcp_acceptor.c

@@ -118,6 +118,7 @@ static int tcp_acceptor(client_ctx_t *ctx) {
 }
 
 void tcp_close(client_ctx_t *ctx) {
+    errno = 0;
     logger_set_prefix("[%*s]%s", INET6_ADDRSTRLEN, ctx->socket.s_addr, ctx->log_prefix);
 
     sock_close(&ctx->socket);