Style fixes.

21 files changed, 185 insertions, 124 deletions

diff --git a/src/go/unit/nxt_go_port.c b/src/go/unit/nxt_go_port.c
index a46a33d1..e866a242 100644
--- a/src/go/unit/nxt_go_port.c
+++ b/src/go/unit/nxt_go_port.c
@@ -123,7 +123,7 @@ nxt_go_port_on_read(void *buf, size_t buf_size, void *oob, size_t oob_size)
     nxt_port_msg_new_port_t  *new_port_msg;
 
     fd = -1;
-    nxt_go_debug("on read: %d (%d)", (int)buf_size, (int)oob_size);
+    nxt_go_debug("on read: %d (%d)", (int) buf_size, (int) oob_size);
 
     cm = oob;
     if (oob_size >= CMSG_SPACE(sizeof(int))
@@ -137,11 +137,11 @@ nxt_go_port_on_read(void *buf, size_t buf_size, void *oob, size_t oob_size)
 
     port_msg = buf;
     if (buf_size < sizeof(nxt_port_msg_t)) {
-        nxt_go_warn("message too small (%d bytes)", (int)buf_size);
+        nxt_go_warn("message too small (%d bytes)", (int) buf_size);
         goto fail;
     }
 
-    buf_end = ((char *)buf) + buf_size;
+    buf_end = ((char *) buf) + buf_size;
 
     payload = port_msg + 1;
     payload_size = buf_size - sizeof(nxt_port_msg_t);
@@ -151,7 +151,7 @@ nxt_go_port_on_read(void *buf, size_t buf_size, void *oob, size_t oob_size)
     }
 
     if (port_msg->type >= NXT_PORT_MSG_MAX) {
-        nxt_go_warn("unknown message type (%d)", (int)port_msg->type);
+        nxt_go_warn("unknown message type (%d)", (int) port_msg->type);
         goto fail;
     }
 
diff --git a/src/go/unit/nxt_go_port_memory.c b/src/go/unit/nxt_go_port_memory.c
index e63ca16c..c2a63a42 100644
--- a/src/go/unit/nxt_go_port_memory.c
+++ b/src/go/unit/nxt_go_port_memory.c
@@ -52,6 +52,7 @@ nxt_go_new_port_mmap(nxt_go_process_t *process, nxt_port_id_t id)
     name_len = snprintf(name, sizeof(name) - 1, "/unit.go.%p", name);
 
 #if (NXT_HAVE_MEMFD_CREATE)
+
     fd = syscall(SYS_memfd_create, name, MFD_CLOEXEC);
 
     if (nxt_slow_path(fd == -1)) {
@@ -63,7 +64,9 @@ nxt_go_new_port_mmap(nxt_go_process_t *process, nxt_port_id_t id)
     nxt_go_debug("memfd_create(%s): %d", name, fd);
 
 #elif (NXT_HAVE_SHM_OPEN)
-    shm_unlink((char *) name); // just in case
+
+    /* Just in case. */
+    shm_unlink((char *) name);
 
     fd = shm_open((char *) name, O_CREAT | O_EXCL | O_RDWR, S_IRUSR | S_IWUSR);
 
@@ -78,6 +81,7 @@ nxt_go_new_port_mmap(nxt_go_process_t *process, nxt_port_id_t id)
     if (nxt_slow_path(shm_unlink((char *) name) == -1)) {
         nxt_go_warn("shm_unlink(%s) failed %d", name, errno);
     }
+
 #endif
 
     if (nxt_slow_path(ftruncate(fd, PORT_MMAP_SIZE) == -1)) {
@@ -135,7 +139,7 @@ nxt_go_new_port_mmap(nxt_go_process_t *process, nxt_port_id_t id)
                           &cmsg, sizeof(cmsg));
 
     nxt_go_debug("new mmap #%d created for %d -> %d",
-            (int)hdr->id, (int)getpid(), (int)process->pid);
+            (int) hdr->id, (int) getpid(), (int) process->pid);
 
     close(fd);
 
diff --git a/src/go/unit/nxt_go_process.c b/src/go/unit/nxt_go_process.c
index c7ce052d..c2b2c01c 100644
--- a/src/go/unit/nxt_go_process.c
+++ b/src/go/unit/nxt_go_process.c
@@ -35,10 +35,10 @@ nxt_go_find_process(nxt_pid_t pid, uint32_t *pos)
         process = nxt_go_array_at(&processes, i);
 
         nxt_go_debug("compare process #%d (%p) at %d",
-                     (int)process->pid, process, (int)i);
+                     (int) process->pid, process, (int) i);
 
         if (pid == process->pid) {
-            nxt_go_debug("found process %d at %d", (int)pid, (int)i);
+            nxt_go_debug("found process %d at %d", (int) pid, (int) i);
 
             if (pos != NULL) {
                 *pos = i;
@@ -49,6 +49,7 @@ nxt_go_find_process(nxt_pid_t pid, uint32_t *pos)
 
         if (pid < process->pid) {
             r = i;
+
         } else {
             l = i + 1;
         }
@@ -60,7 +61,7 @@ nxt_go_find_process(nxt_pid_t pid, uint32_t *pos)
         *pos = i;
     }
 
-    nxt_go_debug("process %d not found, best pos %d", (int)pid, (int)i);
+    nxt_go_debug("process %d not found, best pos %d", (int) pid, (int) i);
 
     return NULL;
 }
@@ -78,8 +79,8 @@ nxt_go_get_process(nxt_pid_t pid)
         nxt_go_array_add(&processes);
         process = nxt_go_array_at(&processes, pos);
 
-        nxt_go_debug("init process #%d (%p) at %d", (int)pid, process,
-                     (int)pos);
+        nxt_go_debug("init process #%d (%p) at %d",
+                     (int) pid, process, (int) pos);
 
         if (pos < processes.nelts - 1) {
             memmove(process + 1, process,
@@ -108,10 +109,10 @@ nxt_go_new_incoming_mmap(nxt_pid_t pid, nxt_fd_t fd)
     process = nxt_go_get_process(pid);
 
     nxt_go_debug("got new mmap fd #%d from process %d",
-                 (int)fd, (int)pid);
+                 (int) fd, (int) pid);
 
     if (fstat(fd, &mmap_stat) == -1) {
-        nxt_go_warn("fstat(%d) failed %d", (int)fd, errno);
+        nxt_go_warn("fstat(%d) failed %d", (int) fd, errno);
 
         return;
     }
diff --git a/src/go/unit/nxt_go_run_ctx.c b/src/go/unit/nxt_go_run_ctx.c
index cca8273e..0dd72f8b 100644
--- a/src/go/unit/nxt_go_run_ctx.c
+++ b/src/go/unit/nxt_go_run_ctx.c
@@ -29,7 +29,7 @@ nxt_go_ctx_msg_rbuf(nxt_go_run_ctx_t *ctx, nxt_go_msg_t *msg, nxt_buf_t *buf,
 
     if (nxt_slow_path(msg->mmap_msg == NULL)) {
         if (n > 0) {
-            nxt_go_warn("failed to get plain buf #%d", (int)n);
+            nxt_go_warn("failed to get plain buf #%d", (int) n);
 
             return NXT_ERROR;
         }
@@ -44,15 +44,15 @@ nxt_go_ctx_msg_rbuf(nxt_go_run_ctx_t *ctx, nxt_go_msg_t *msg, nxt_buf_t *buf,
 
     mmap_msg = msg->mmap_msg + n;
     if (nxt_slow_path(mmap_msg >= msg->end)) {
-        nxt_go_warn("no more data in shm #%d", (int)n);
+        nxt_go_warn("no more data in shm #%d", (int) n);
 
         return NXT_ERROR;
     }
 
     if (nxt_slow_path(mmap_msg->mmap_id >= ctx->process->incoming.nelts)) {
         nxt_go_warn("incoming shared memory segment #%d not found "
-                    "for process %d", (int)mmap_msg->mmap_id,
-                    (int)msg->port_msg->pid);
+                    "for process %d", (int) mmap_msg->mmap_id,
+                    (int) msg->port_msg->pid);
 
         return NXT_ERROR;
     }
@@ -103,6 +103,7 @@ nxt_go_ctx_init_msg(nxt_go_msg_t *msg, nxt_port_msg_t *port_msg,
             msg->data_size += mmap_msg->size;
             mmap_msg += 1;
         }
+
     } else {
         msg->mmap_msg = NULL;
         msg->end = NULL;
@@ -187,6 +188,7 @@ nxt_go_ctx_add_msg(nxt_go_run_ctx_t *ctx, nxt_port_msg_t *port_msg, size_t size)
 
     if (ctx->msg_last == &ctx->msg) {
         msg->start_offset += ctx->r.body.preread_size;
+
     } else {
         msg->start_offset += ctx->msg_last->data_size;
     }
@@ -241,8 +243,7 @@ nxt_go_port_mmap_get_buf(nxt_go_run_ctx_t *ctx, size_t size)
 
     buf = &ctx->wbuf;
 
-    hdr = nxt_go_port_mmap_get(ctx->process,
-                               ctx->msg.port_msg->reply_port, &c);
+    hdr = nxt_go_port_mmap_get(ctx->process, ctx->msg.port_msg->reply_port, &c);
     if (nxt_slow_path(hdr == NULL)) {
         nxt_go_warn("failed to get port_mmap");
 
@@ -324,9 +325,9 @@ nxt_go_port_mmap_increase_buf(nxt_buf_t *b, size_t size, size_t min_size)
         nchunks--;
     }
 
-    if (nchunks != 0 &&
-        min_size > free_size + PORT_MMAP_CHUNK_SIZE * (c - start)) {
-
+    if (nchunks != 0
+        && min_size > free_size + PORT_MMAP_CHUNK_SIZE * (c - start))
+    {
         c--;
         while (c >= start) {
             nxt_port_mmap_set_chunk_free(hdr, c);
@@ -334,6 +335,7 @@ nxt_go_port_mmap_increase_buf(nxt_buf_t *b, size_t size, size_t min_size)
         }
 
         return NXT_ERROR;
+
     } else {
         b->mem.end += PORT_MMAP_CHUNK_SIZE * (c - start);
 
@@ -378,6 +380,7 @@ nxt_go_ctx_write(nxt_go_run_ctx_t *ctx, void *data, size_t len)
                     return NXT_OK;
                 }
             }
+
         } while (nxt_go_port_mmap_increase_buf(buf, len, 1) == NXT_OK);
 
         if (ctx->nwbuf >= 8) {
@@ -464,9 +467,9 @@ nxt_go_ctx_read_str(nxt_go_run_ctx_t *ctx, nxt_str_t *str)
 
     buf = &ctx->rbuf;
 
-    if (nxt_slow_path(nxt_buf_mem_used_size(&buf->mem) < (intptr_t)length)) {
+    if (nxt_slow_path(nxt_buf_mem_used_size(&buf->mem) < (intptr_t) length)) {
         nxt_go_warn("read str: used size too small %d < %d",
-                    (int)nxt_buf_mem_used_size(&buf->mem), (int)length);
+                    (int) nxt_buf_mem_used_size(&buf->mem), (int) length);
         return NXT_ERROR;
     }
 
@@ -476,8 +479,9 @@ nxt_go_ctx_read_str(nxt_go_run_ctx_t *ctx, nxt_str_t *str)
 
         buf->mem.pos += length;
 
-        nxt_go_debug("read_str: %d %.*s", (int)length - 1, (int)length - 1,
-                        str->start);
+        nxt_go_debug("read_str: %d %.*s",
+                     (int) length - 1, (int) length - 1, str->start);
+
     } else {
         str->start = NULL;
         str->length = 0;
diff --git a/src/go/unit/port.go b/src/go/unit/port.go
index a8faa2a0..74b5e8fe 100644
--- a/src/go/unit/port.go
+++ b/src/go/unit/port.go
@@ -124,7 +124,9 @@ func nxt_go_new_port(pid C.int, id C.int, t C.int, rcv C.int, snd C.int) {
 }
 
 //export nxt_go_port_send
-func nxt_go_port_send(pid C.int, id C.int, buf unsafe.Pointer, buf_size C.int, oob unsafe.Pointer, oob_size C.int) C.int {
+func nxt_go_port_send(pid C.int, id C.int, buf unsafe.Pointer, buf_size C.int,
+	oob unsafe.Pointer, oob_size C.int) C.int {
+
 	key := port_key{
 		pid: int(pid),
 		id:  int(id),
@@ -133,7 +135,8 @@ func nxt_go_port_send(pid C.int, id C.int, buf unsafe.Pointer, buf_size C.int, o
 	p := find_port(key)
 
 	if p != nil {
-		n, oobn, err := p.snd.WriteMsgUnix(C.GoBytes(buf, buf_size), C.GoBytes(oob, oob_size), nil)
+		n, oobn, err := p.snd.WriteMsgUnix(C.GoBytes(buf, buf_size),
+			C.GoBytes(oob, oob_size), nil)
 
 		if err != nil {
 			fmt.Printf("write result %d (%d), %s\n", n, oobn, err)
@@ -146,11 +149,14 @@ func nxt_go_port_send(pid C.int, id C.int, buf unsafe.Pointer, buf_size C.int, o
 }
 
 //export nxt_go_main_send
-func nxt_go_main_send(buf unsafe.Pointer, buf_size C.int, oob unsafe.Pointer, oob_size C.int) C.int {
+func nxt_go_main_send(buf unsafe.Pointer, buf_size C.int, oob unsafe.Pointer,
+	oob_size C.int) C.int {
+
 	p := main_port()
 
 	if p != nil {
-		n, oobn, err := p.snd.WriteMsgUnix(C.GoBytes(buf, buf_size), C.GoBytes(oob, oob_size), nil)
+		n, oobn, err := p.snd.WriteMsgUnix(C.GoBytes(buf, buf_size),
+			C.GoBytes(oob, oob_size), nil)
 
 		if err != nil {
 			fmt.Printf("write result %d (%d), %s\n", n, oobn, err)
@@ -168,7 +174,7 @@ func new_port(pid int, id int, t int, rcv int, snd int) *port {
 			pid: pid,
 			id:  id,
 		},
-		t: t,
+		t:   t,
 		rcv: getUnixConn(rcv),
 		snd: getUnixConn(snd),
 	}
diff --git a/src/go/unit/request.go b/src/go/unit/request.go
index aa6d1145..75c06ef5 100644
--- a/src/go/unit/request.go
+++ b/src/go/unit/request.go
@@ -17,12 +17,12 @@ import (
 )
 
 type request struct {
-	req      http.Request
-	resp     *response
-	c_req    C.nxt_go_request_t
-	id       C.uint32_t
-	msgs     []*cmsg
-	ch       chan *cmsg
+	req   http.Request
+	resp  *response
+	c_req C.nxt_go_request_t
+	id    C.uint32_t
+	msgs  []*cmsg
+	ch    chan *cmsg
 }
 
 func (r *request) Read(p []byte) (n int, err error) {
@@ -33,7 +33,8 @@ func (r *request) Read(p []byte) (n int, err error) {
 	if res == -2 /* NXT_AGAIN */ {
 		m := <-r.ch
 
-		res = C.nxt_go_request_read_from(r.c_req, b, c, m.buf.b, m.buf.s)
+		res = C.nxt_go_request_read_from(r.c_req, b, c, m.buf.b,
+			m.buf.s)
 		r.push(m)
 	}
 
@@ -124,7 +125,9 @@ func (r *request) push(m *cmsg) {
 }
 
 //export nxt_go_new_request
-func nxt_go_new_request(c_req C.nxt_go_request_t, id C.uint32_t, c_method *C.nxt_go_str_t, c_uri *C.nxt_go_str_t) {
+func nxt_go_new_request(c_req C.nxt_go_request_t, id C.uint32_t,
+	c_method *C.nxt_go_str_t, c_uri *C.nxt_go_str_t) {
+
 	uri := C.GoStringN(c_uri.start, c_uri.length)
 
 	var URL *url.URL
@@ -162,7 +165,9 @@ func nxt_go_find_request(id C.uint32_t) C.nxt_go_request_t {
 }
 
 //export nxt_go_request_set_proto
-func nxt_go_request_set_proto(c_req C.nxt_go_request_t, proto *C.nxt_go_str_t, maj C.int, min C.int) {
+func nxt_go_request_set_proto(c_req C.nxt_go_request_t, proto *C.nxt_go_str_t,
+	maj C.int, min C.int) {
+
 	r := find_request(c_req)
 	r.req.Proto = C.GoStringN(proto.start, proto.length)
 	r.req.ProtoMajor = int(maj)
@@ -170,9 +175,12 @@ func nxt_go_request_set_proto(c_req C.nxt_go_request_t, proto *C.nxt_go_str_t, m
 }
 
 //export nxt_go_request_add_header
-func nxt_go_request_add_header(c_req C.nxt_go_request_t, name *C.nxt_go_str_t, value *C.nxt_go_str_t) {
+func nxt_go_request_add_header(c_req C.nxt_go_request_t, name *C.nxt_go_str_t,
+	value *C.nxt_go_str_t) {
+
 	r := find_request(c_req)
-	r.req.Header.Add(C.GoStringN(name.start, name.length), C.GoStringN(value.start, value.length))
+	r.req.Header.Add(C.GoStringN(name.start, name.length),
+		C.GoStringN(value.start, value.length))
 }
 
 //export nxt_go_request_set_content_length
@@ -196,7 +204,9 @@ func nxt_go_request_set_url(c_req C.nxt_go_request_t, scheme *C.char) {
 }
 
 //export nxt_go_request_set_remote_addr
-func nxt_go_request_set_remote_addr(c_req C.nxt_go_request_t, addr *C.nxt_go_str_t) {
+func nxt_go_request_set_remote_addr(c_req C.nxt_go_request_t,
+	addr *C.nxt_go_str_t) {
+
 	find_request(c_req).req.RemoteAddr = C.GoStringN(addr.start, addr.length)
 }
 
diff --git a/src/nxt_application.c b/src/nxt_application.c
index ef84a9ec..d795c230 100644
--- a/src/nxt_application.c
+++ b/src/nxt_application.c
@@ -297,8 +297,8 @@ nxt_app_start(nxt_task_t *task, void *data)
         nxt_app = nxt_app_module_load(task, lang->file);
     }
 
-    if (app_conf->working_directory != NULL &&
-        app_conf->working_directory[0] != 0)
+    if (app_conf->working_directory != NULL
+        && app_conf->working_directory[0] != 0)
     {
         ret = chdir(app_conf->working_directory);
 
@@ -483,7 +483,7 @@ nxt_app_msg_write(nxt_task_t *task, nxt_app_wmsg_t *msg, u_char *c, size_t size)
         nxt_memcpy(dst, c, size);
         dst[size] = 0;
 
-        nxt_debug(task, "nxt_app_msg_write: %uz %*s", size, (int)size, c);
+        nxt_debug(task, "nxt_app_msg_write: %uz %*s", size, (int) size, c);
     } else {
         dst_length = 1;
 
@@ -578,8 +578,7 @@ nxt_app_msg_read_str(nxt_task_t *task, nxt_app_rmsg_t *msg, nxt_str_t *str)
 
     buf->mem.pos = nxt_app_msg_read_length(buf->mem.pos, &length);
 
-    if (nxt_slow_path(nxt_buf_mem_used_size(&buf->mem) < (intptr_t)length))
-    {
+    if (nxt_slow_path(nxt_buf_mem_used_size(&buf->mem) < (intptr_t) length)) {
         return NXT_ERROR;
     }
 
@@ -589,8 +588,8 @@ nxt_app_msg_read_str(nxt_task_t *task, nxt_app_rmsg_t *msg, nxt_str_t *str)
 
         buf->mem.pos += length;
 
-        nxt_debug(task, "nxt_read_str: %d %*s", (int)length - 1,
-                        (int)length - 1, str->start);
+        nxt_debug(task, "nxt_read_str: %d %*s", (int) length - 1,
+                        (int) length - 1, str->start);
     } else {
         str->start = NULL;
         str->length = 0;
@@ -690,7 +689,7 @@ nxt_app_msg_read_size(nxt_task_t *task, nxt_app_rmsg_t *msg, size_t *size)
 
     buf->mem.pos = nxt_app_msg_read_length(buf->mem.pos, size);
 
-    nxt_debug(task, "nxt_read_size: %d", (int)*size);
+    nxt_debug(task, "nxt_read_size: %d", (int) *size);
 
     return NXT_OK;
 }
diff --git a/src/nxt_application.h b/src/nxt_application.h
index 38bd79f2..3f5c01b5 100644
--- a/src/nxt_application.h
+++ b/src/nxt_application.h
@@ -230,6 +230,7 @@ nxt_app_msg_write_length(u_char *dst, size_t length)
     if (length < 128) {
         *dst = length;
         dst++;
+
     } else {
         dst[0] = 0x80U | (length >> 24);
         dst[1] = 0xFFU & (length >> 16);
@@ -282,6 +283,7 @@ nxt_app_msg_read_length(u_char *src, size_t *length)
     if (src[0] < 128) {
         *length = src[0];
         src++;
+
     } else {
         *length = ((src[0] & 0x7fU) << 24) +
                   (src[1] << 16) +
diff --git a/src/nxt_devpoll_engine.c b/src/nxt_devpoll_engine.c
index faa6368a..07b08189 100644
--- a/src/nxt_devpoll_engine.c
+++ b/src/nxt_devpoll_engine.c
@@ -154,7 +154,7 @@ nxt_devpoll_free(nxt_event_engine_t *engine)
 
     nxt_debug(&engine->task, "devpoll %d free", fd);
 
-    if (fd != -1 &&close(fd) != 0) {
+    if (fd != -1 && close(fd) != 0) {
         nxt_log(&engine->task, NXT_LOG_CRIT, "devpoll close(%d) failed %E",
                 fd, nxt_errno);
     }
diff --git a/src/nxt_go.c b/src/nxt_go.c
index 37f4de01..6ca73957 100644
--- a/src/nxt_go.c
+++ b/src/nxt_go.c
@@ -60,14 +60,14 @@ nxt_go_init(nxt_task_t *task, nxt_common_app_conf_t *conf)
             nxt_sprintf(stream_buf, stream_buf + sizeof(stream_buf),
                         "%uD", port->process->init->stream);
 
-            setenv("NXT_GO_STREAM", (char *)stream_buf, 1);
+            setenv("NXT_GO_STREAM", (char *) stream_buf, 1);
         }
 
         nxt_debug(task, "port %PI, %ud, (%d, %d)", port->pid, port->id,
                   port->pair[0], port->pair[1]);
 
         p = nxt_sprintf(p, buf + sizeof(buf), "%PI,%ud,%d,%d,%d;",
-                        port->pid, port->id, (int)port->type,
+                        port->pid, port->id, (int) port->type,
                         port->pair[0], port->pair[1]);
 
         if (nxt_slow_path(nxt_sock_no_cloexec(port->pair[0]))) {
@@ -83,7 +83,7 @@ nxt_go_init(nxt_task_t *task, nxt_common_app_conf_t *conf)
     *p = '\0';
     nxt_debug(task, "update NXT_GO_PORTS=%s", buf);
 
-    setenv("NXT_GO_PORTS", (char *)buf, 1);
+    setenv("NXT_GO_PORTS", (char *) buf, 1);
 
     argv[0] = c->executable;
     argv[1] = NULL;
diff --git a/src/nxt_main_process.c b/src/nxt_main_process.c
index 305daf8f..ded19055 100644
--- a/src/nxt_main_process.c
+++ b/src/nxt_main_process.c
@@ -488,8 +488,8 @@ nxt_main_stop_worker_processes(nxt_task_t *task, nxt_runtime_t *rt)
     nxt_port_t     *port;
     nxt_process_t  *process;
 
-    nxt_runtime_process_each(rt, process)
-    {
+    nxt_runtime_process_each(rt, process) {
+
         if (nxt_pid != process->pid) {
             process->init = NULL;
 
@@ -500,8 +500,8 @@ nxt_main_stop_worker_processes(nxt_task_t *task, nxt_runtime_t *rt)
 
             } nxt_process_port_loop;
         }
-    }
-    nxt_runtime_process_loop;
+
+    } nxt_runtime_process_loop;
 }
 
 
@@ -698,11 +698,12 @@ nxt_main_cleanup_worker_process(nxt_task_t *task, nxt_pid_t pid)
         nxt_runtime_process_remove(rt, process);
 
         if (!nxt_exiting) {
-            nxt_runtime_process_each(rt, process)
-            {
-                if (process->pid == nxt_pid ||
-                    process->pid == pid ||
-                    nxt_queue_is_empty(&process->ports)) {
+            nxt_runtime_process_each(rt, process) {
+
+                if (process->pid == nxt_pid
+                    || process->pid == pid
+                    || nxt_queue_is_empty(&process->ports))
+                {
                     continue;
                 }
 
@@ -713,8 +714,7 @@ nxt_main_cleanup_worker_process(nxt_task_t *task, nxt_pid_t pid)
 
                 nxt_port_socket_write(task, port, NXT_PORT_MSG_REMOVE_PID,
                                       -1, init->stream, 0, buf);
-            }
-            nxt_runtime_process_loop;
+            } nxt_runtime_process_loop;
         }
 
         if (nxt_exiting) {
diff --git a/src/nxt_php_sapi.c b/src/nxt_php_sapi.c
index 08b8ba01..ba7a5aad 100644
--- a/src/nxt_php_sapi.c
+++ b/src/nxt_php_sapi.c
@@ -228,6 +228,7 @@ nxt_php_init(nxt_task_t *task, nxt_common_app_conf_t *conf)
         nxt_log_error(NXT_LOG_INFO, task->log,
                       "(ABS_MODE) php script \"%V\" root: \"%V\"",
                       script, root);
+
     } else {
         nxt_log_error(NXT_LOG_INFO, task->log,
                       "(non ABS_MODE) php root: \"%V\"", root);
@@ -290,6 +291,7 @@ nxt_php_read_request(nxt_task_t *task, nxt_app_rmsg_t *rmsg,
     if (nxt_php_path.start == NULL) {
         if (h->path.start[h->path.length - 1] == '/') {
             script_name = nxt_php_index;
+
         } else {
             script_name.length = 0;
         }
@@ -313,6 +315,7 @@ nxt_php_read_request(nxt_task_t *task, nxt_app_rmsg_t *rmsg,
         }
 
         p[0] = '\0';
+
     } else {
         ctx->script = nxt_php_path;
     }
@@ -397,6 +400,7 @@ nxt_php_run(nxt_task_t *task,
 
     if (nxt_php_path.start != NULL) {
         nxt_debug(task, "run script %V in absolute mode", &nxt_php_path);
+
     } else {
         nxt_debug(task, "run script %V", &run_ctx.script);
     }
@@ -431,6 +435,7 @@ nxt_php_write(nxt_php_run_ctx_t *ctx, const u_char *data, size_t len,
 
     if (len > 0) {
         rc = nxt_app_msg_write_raw(ctx->task, ctx->wmsg, data, len);
+
     } else {
         rc = NXT_OK;
     }
@@ -675,6 +680,7 @@ nxt_php_register_variables(zval *track_vars_array TSRMLS_DC)
  */
         NXT_PHP_SET("PHP_SELF", nxt_php_script);
         NXT_PHP_SET("SCRIPT_NAME", nxt_php_script);
+
     } else {
         NXT_PHP_SET("PHP_SELF", h->path);
         NXT_PHP_SET("SCRIPT_NAME", h->path);
@@ -711,6 +717,7 @@ nxt_php_register_variables(zval *track_vars_array TSRMLS_DC)
 
         server_port.start = colon + 1;
         server_port.length = host.length - server_name.length - 1;
+
     } else {
         server_port = def_port;
     }
diff --git a/src/nxt_port.c b/src/nxt_port.c
index 1f50caa1..8adbcde4 100644
--- a/src/nxt_port.c
+++ b/src/nxt_port.c
@@ -170,22 +170,22 @@ nxt_port_send_new_port(nxt_task_t *task, nxt_runtime_t *rt,
     nxt_debug(task, "new port %d for process %PI",
               new_port->pair[1], new_port->pid);
 
-    nxt_runtime_process_each(rt, process)
-    {
+    nxt_runtime_process_each(rt, process) {
+
         if (process->pid == new_port->pid || process->pid == nxt_pid) {
             continue;
         }
 
         port = nxt_process_port_first(process);
 
-        if (port->type == NXT_PROCESS_MAIN ||
-            port->type == NXT_PROCESS_CONTROLLER ||
-            port->type == NXT_PROCESS_ROUTER) {
-
+        if (port->type == NXT_PROCESS_MAIN
+            || port->type == NXT_PROCESS_CONTROLLER
+            || port->type == NXT_PROCESS_ROUTER)
+        {
             (void) nxt_port_send_port(task, port, new_port, stream);
         }
-    }
-    nxt_runtime_process_loop;
+
+    } nxt_runtime_process_loop;
 }
 
 
@@ -340,8 +340,8 @@ nxt_port_change_log_file(nxt_task_t *task, nxt_runtime_t *rt, nxt_uint_t slot,
 
     nxt_debug(task, "change log file #%ui fd:%FD", slot, fd);
 
-    nxt_runtime_process_each(rt, process)
-    {
+    nxt_runtime_process_each(rt, process) {
+
         if (nxt_pid == process->pid) {
             continue;
         }
@@ -358,8 +358,8 @@ nxt_port_change_log_file(nxt_task_t *task, nxt_runtime_t *rt, nxt_uint_t slot,
 
         (void) nxt_port_socket_write(task, port, NXT_PORT_MSG_CHANGE_FILE,
                                      fd, 0, 0, b);
-    }
-    nxt_runtime_process_loop;
+
+    } nxt_runtime_process_loop;
 }
 
 
@@ -386,7 +386,6 @@ nxt_port_change_log_file_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
      * for new log file.  This change is performed atomically in the kernel.
      */
     if (nxt_file_redirect(log_file, msg->fd) == NXT_OK) {
-
         if (slot == 0) {
             (void) nxt_file_stderr(log_file);
         }
diff --git a/src/nxt_port_hash.c b/src/nxt_port_hash.c
index e9158f5d..93e46cd3 100644
--- a/src/nxt_port_hash.c
+++ b/src/nxt_port_hash.c
@@ -23,9 +23,10 @@ nxt_port_hash_test(nxt_lvlhsh_query_t *lhq, void *data)
     port = data;
     pid_port_id = (nxt_pid_port_id_t *) lhq->key.start;
 
-    if (lhq->key.length == sizeof(nxt_pid_port_id_t) &&
-        pid_port_id->pid == port->pid &&
-        pid_port_id->port_id == port->id) {
+    if (lhq->key.length == sizeof(nxt_pid_port_id_t)
+        && pid_port_id->pid == port->pid
+        && pid_port_id->port_id == port->id)
+    {
         return NXT_OK;
     }
 
diff --git a/src/nxt_port_memory.c b/src/nxt_port_memory.c
index 7cdd7c58..82d96004 100644
--- a/src/nxt_port_memory.c
+++ b/src/nxt_port_memory.c
@@ -241,6 +241,7 @@ nxt_port_new_port_mmap(nxt_task_t *task, nxt_process_t *process,
     *p = '\0';
 
 #if (NXT_HAVE_MEMFD_CREATE)
+
     fd = syscall(SYS_memfd_create, name, MFD_CLOEXEC);
 
     if (nxt_slow_path(fd == -1)) {
@@ -253,7 +254,9 @@ nxt_port_new_port_mmap(nxt_task_t *task, nxt_process_t *process,
     nxt_debug(task, "memfd_create(%s): %FD", name, fd);
 
 #elif (NXT_HAVE_SHM_OPEN)
-    shm_unlink((char *) name); // just in case
+
+    /* Just in case. */
+    shm_unlink((char *) name);
 
     fd = shm_open((char *) name, O_CREAT | O_EXCL | O_RDWR, S_IRUSR | S_IWUSR);
 
@@ -269,6 +272,7 @@ nxt_port_new_port_mmap(nxt_task_t *task, nxt_process_t *process,
         nxt_log(task, NXT_LOG_WARN, "shm_unlink(%s) failed %E", name,
                 nxt_errno);
     }
+
 #endif
 
     if (nxt_slow_path(ftruncate(fd, PORT_MMAP_SIZE) == -1)) {
@@ -277,8 +281,8 @@ nxt_port_new_port_mmap(nxt_task_t *task, nxt_process_t *process,
         goto remove_fail;
     }
 
-    mem = nxt_mem_mmap(NULL, PORT_MMAP_SIZE,
-                       PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+    mem = nxt_mem_mmap(NULL, PORT_MMAP_SIZE, PROT_READ | PROT_WRITE,
+                       MAP_SHARED, fd, 0);
 
     if (nxt_slow_path(mem == MAP_FAILED)) {
         goto remove_fail;
@@ -395,6 +399,7 @@ nxt_port_get_port_incoming_mmap(nxt_task_t *task, nxt_pid_t spid, uint32_t id)
     if (nxt_fast_path(incoming != NULL && incoming->nelts > id)) {
         port_mmap = incoming->elts;
         hdr = port_mmap[id].hdr;
+
     } else {
         nxt_log(task, NXT_LOG_WARN,
                 "failed to get incoming mmap #%d for process %PI", id, spid);
@@ -511,9 +516,9 @@ nxt_port_mmap_increase_buf(nxt_task_t *task, nxt_buf_t *b, size_t size,
         nchunks--;
     }
 
-    if (nchunks != 0 &&
-        min_size > free_size + PORT_MMAP_CHUNK_SIZE * (c - start)) {
-
+    if (nchunks != 0
+        && min_size > free_size + PORT_MMAP_CHUNK_SIZE * (c - start))
+    {
         c--;
         while (c >= start) {
             nxt_port_mmap_set_chunk_free(hdr, c);
@@ -523,6 +528,7 @@ nxt_port_mmap_increase_buf(nxt_task_t *task, nxt_buf_t *b, size_t size,
         nxt_debug(task, "failed to increase, %d chunks busy", nchunks);
 
         return NXT_ERROR;
+
     } else {
         b->mem.end += PORT_MMAP_CHUNK_SIZE * (c - start);
 
@@ -565,8 +571,8 @@ nxt_port_mmap_get_incoming_buf(nxt_task_t *task, nxt_port_t *port,
 
     b->parent = hdr;
 
-    nxt_debug(task, "incoming mmap buf allocation: %p [%p,%d] %PI,%d,%d", b,
-              b->mem.start, b->mem.end - b->mem.start,
+    nxt_debug(task, "incoming mmap buf allocation: %p [%p,%d] %PI,%d,%d",
+              b, b->mem.start, b->mem.end - b->mem.start,
               hdr->pid, hdr->id, mmap_msg->chunk_id);
 
     return b;
@@ -584,7 +590,7 @@ nxt_port_mmap_write(nxt_task_t *task, nxt_port_t *port,
     nxt_port_mmap_header_t  *hdr;
 
     nxt_debug(task, "prepare %z bytes message for transfer to process %PI "
-              "via shared memory", sb->size, port->pid);
+                    "via shared memory", sb->size, port->pid);
 
     bsize = sb->niov * sizeof(nxt_port_mmap_msg_t);
     mmap_msg = port->mmsg_buf;
@@ -599,8 +605,8 @@ nxt_port_mmap_write(nxt_task_t *task, nxt_port_t *port,
         }
 
         if (nxt_slow_path(bmem == NULL)) {
-            nxt_log_error(NXT_LOG_ERR, task->log, "failed to find buf for "
-                          "iobuf[%d]", i);
+            nxt_log_error(NXT_LOG_ERR, task->log,
+                          "failed to find buf for iobuf[%d]", i);
             return;
             /* TODO clear b and exit */
         }
diff --git a/src/nxt_port_rpc.c b/src/nxt_port_rpc.c
index 6f31a296..c5821439 100644
--- a/src/nxt_port_rpc.c
+++ b/src/nxt_port_rpc.c
@@ -67,8 +67,7 @@ nxt_port_rpc_register_handler(nxt_task_t *task, nxt_port_t *port,
     nxt_port_rpc_reg_t  *reg;
     nxt_lvlhsh_query_t  lhq;
 
-
-    nxt_assert(port->pair[0] != -1);  
+    nxt_assert(port->pair[0] != -1);
 
     stream = port->next_stream++;
 
@@ -158,6 +157,7 @@ nxt_port_rpc_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
 
     if (last != 0) {
         ret = nxt_lvlhsh_delete(&port->rpc_streams, &lhq);
+
     } else {
         ret = nxt_lvlhsh_find(&port->rpc_streams, &lhq);
     }
@@ -176,6 +176,7 @@ nxt_port_rpc_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
 
     if (type == _NXT_PORT_MSG_RPC_ERROR) {
         reg->error_handler(task, msg, reg->data);
+
     } else {
         reg->ready_handler(task, msg, reg->data);
     }
@@ -197,6 +198,7 @@ nxt_port_rpc_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
                 nxt_log_error(NXT_LOG_ERR, task->log, "rpc: failed to delete "
                               "peer %PI", reg->peer);
             }
+
         } else {
             nxt_queue_remove(&reg->link);
         }
@@ -262,8 +264,9 @@ nxt_port_rpc_remove_peer(nxt_task_t *task, nxt_port_t *port, nxt_pid_t peer)
         ret = nxt_lvlhsh_delete(&port->rpc_streams, &lhq);
 
         if (nxt_slow_path(ret != NXT_OK)) {
-            nxt_log_error(NXT_LOG_ERR, task->log, "rpc: failed to delete "
-                          "handler for stream #%uD", stream);
+            nxt_log_error(NXT_LOG_ERR, task->log,
+                          "rpc: failed to delete handler for stream #%uD",
+                          stream);
 
             return;
         }
@@ -309,9 +312,10 @@ nxt_port_rpc_cancel(nxt_task_t *task, nxt_port_t *port, uint32_t stream)
             ret = nxt_lvlhsh_delete(&port->rpc_peers, &lhq);
 
             if (nxt_slow_path(ret != NXT_OK)) {
-                nxt_log_error(NXT_LOG_ERR, task->log, "rpc: failed to delete "
-                              "peer %PI", reg->peer);
+                nxt_log_error(NXT_LOG_ERR, task->log,
+                              "rpc: failed to delete peer %PI", reg->peer);
             }
+
         } else {
             nxt_queue_remove(&reg->link);
         }
diff --git a/src/nxt_port_socket.c b/src/nxt_port_socket.c
index 82a6e0aa..3f7ad954 100644
--- a/src/nxt_port_socket.c
+++ b/src/nxt_port_socket.c
@@ -176,10 +176,10 @@ nxt_port_socket_write(nxt_task_t *task, nxt_port_t *port, nxt_uint_t type,
             continue;
         }
 
-        if  (msg->port_msg.stream == stream && 
-             msg->port_msg.reply_port == reply_port &&
-             msg->port_msg.last == 0 &&
-             msg->opened) {
+        if (msg->port_msg.stream == stream
+            && msg->port_msg.reply_port == reply_port
+            && msg->port_msg.last == 0
+            && msg->opened) {
 
             /*
              * An fd is ignored since a file descriptor
diff --git a/src/nxt_process.c b/src/nxt_process.c
index f7430e5a..186e898d 100644
--- a/src/nxt_process.c
+++ b/src/nxt_process.c
@@ -59,6 +59,7 @@ nxt_process_create(nxt_task_t *task, nxt_process_t *process)
                 nxt_debug(task, "remove not ready process %PI", p->pid);
 
                 nxt_runtime_process_remove(rt, p);
+
             } else {
                 nxt_port_mmaps_destroy(p->incoming, 0);
                 nxt_port_mmaps_destroy(p->outgoing, 0);
diff --git a/src/nxt_python_wsgi.c b/src/nxt_python_wsgi.c
index c29aa426..d9f2f376 100644
--- a/src/nxt_python_wsgi.c
+++ b/src/nxt_python_wsgi.c
@@ -359,7 +359,6 @@ nxt_python_run(nxt_task_t *task, nxt_app_rmsg_t *rmsg, nxt_app_wmsg_t *wmsg)
         nxt_python_write(&run_ctx, buf, size, 1, 1);
 
     } else {
-
         iterator = PyObject_GetIter(result);
 
         if (nxt_slow_path(iterator == NULL)) {
@@ -373,7 +372,7 @@ nxt_python_run(nxt_task_t *task, nxt_app_rmsg_t *rmsg, nxt_app_wmsg_t *wmsg)
 
             if (nxt_slow_path(PyBytes_Check(item) == 0)) {
                 nxt_log_error(NXT_LOG_ERR, task->log,
-                              "the application returned not a bytestring object");
+                        "the application returned not a bytestring object");
 
                 goto fail;
             }
@@ -574,6 +573,7 @@ nxt_python_add_env(nxt_task_t *task, PyObject *env, const char *name,
         nxt_log_error(NXT_LOG_ERR, task->log,
                       "Python failed to set the \"%s\" environ value", name);
         rc = NXT_ERROR;
+
     } else {
         rc = NXT_OK;
     }
@@ -682,6 +682,7 @@ nxt_python_get_environ(nxt_task_t *task, nxt_app_rmsg_t *rmsg,
 
         server_port.start = colon + 1;
         server_port.length = host.length - server_name.length - 1;
+
     } else {
         server_port = def_port;
     }
@@ -914,6 +915,7 @@ nxt_python_write_py_str(nxt_python_run_ctx_t *ctx, PyObject *str,
     if (PyBytes_Check(str)) {
         rc = nxt_python_write(ctx, (u_char *) PyBytes_AS_STRING(str),
                               PyBytes_GET_SIZE(str), flush, last);
+
     } else {
         if (!PyUnicode_Check(str)) {
             return NXT_ERROR;
diff --git a/src/nxt_router.c b/src/nxt_router.c
index b91aa9ae..fbc8d9c4 100644
--- a/src/nxt_router.c
+++ b/src/nxt_router.c
@@ -101,6 +101,8 @@ static void nxt_router_apps_sort(nxt_router_t *router,
 
 static void nxt_router_engines_post(nxt_router_temp_conf_t *tmcf);
 static void nxt_router_engine_post(nxt_router_engine_conf_t *recf);
+static void nxt_router_app_data_handler(nxt_task_t *task,
+    nxt_port_recv_msg_t *msg);
 
 static void nxt_router_thread_start(void *data);
 static void nxt_router_listen_socket_create(nxt_task_t *task, void *obj,
@@ -1525,9 +1527,6 @@ nxt_router_engine_post(nxt_router_engine_conf_t *recf)
 }
 
 
-static void
-nxt_router_app_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg);
-
 static nxt_port_handler_t  nxt_router_app_port_handlers[] = {
     NULL, /* NXT_PORT_MSG_QUIT         */
     NULL, /* NXT_PORT_MSG_NEW_PORT     */
@@ -1998,6 +1997,7 @@ nxt_router_app_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
         c->write_state = &nxt_router_conn_write_state;
 
         nxt_conn_write(task->thread->engine, c);
+
     } else {
         nxt_debug(task, "router data attach out bufs to existing chain");
 
@@ -2005,6 +2005,7 @@ nxt_router_app_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
     }
 }
 
+
 nxt_inline const char *
 nxt_router_text_by_code(int code)
 {
@@ -2090,6 +2091,7 @@ nxt_router_gen_error(nxt_task_t *task, nxt_conn_t *c, int code,
         c->write_state = &nxt_router_conn_write_state;
 
         nxt_conn_write(task->thread->engine, c);
+
     } else {
         nxt_debug(task, "router data attach out bufs to existing chain");
 
@@ -2133,7 +2135,8 @@ nxt_router_sw_error(nxt_task_t *task, nxt_port_recv_msg_t *msg, void *data)
 
     sw->app->pending_workers--;
 
-    nxt_debug(task, "sw %p error, failed to start app '%V'", sw, &sw->app->name);
+    nxt_debug(task, "sw %p error, failed to start app '%V'",
+              sw, &sw->app->name);
 
     nxt_router_sw_release(task, sw);
 }
@@ -2221,19 +2224,21 @@ nxt_router_app_free(nxt_task_t *task, nxt_app_t *app)
                          app->live, app->workers, app->pending_workers,
                          nxt_queue_is_empty(&app->requests));
 
-    if (app->live == 0 && app->workers == 0 &&
-        app->pending_workers == 0 &&
-        nxt_queue_is_empty(&app->requests)) {
-
+    if (app->live == 0
+        && app->workers == 0
+        && app->pending_workers == 0
+        && nxt_queue_is_empty(&app->requests))
+    {
         nxt_thread_mutex_destroy(&app->mutex);
         nxt_free(app);
 
         return 1;
     }
 
-    if (app->live == 1 && nxt_queue_is_empty(&app->requests) == 0 &&
-       (app->workers + app->pending_workers < app->max_workers)) {
-
+    if (app->live == 1
+        && nxt_queue_is_empty(&app->requests) == 0
+        && app->workers + app->pending_workers < app->max_workers)
+    {
         lnk = nxt_queue_first(&app->requests);
         nxt_queue_remove(lnk);
 
@@ -2515,10 +2520,10 @@ nxt_router_conn_http_header_parse(nxt_task_t *task, void *obj, void *data)
             return;
         }
 
-        if (joint->socket_conf->max_body_size > 0 &&
-            (size_t) h->parsed_content_length >
-            joint->socket_conf->max_body_size) {
-
+        if (joint->socket_conf->max_body_size > 0
+            && (size_t) h->parsed_content_length
+               > joint->socket_conf->max_body_size)
+        {
             nxt_router_gen_error(task, c, 413, "Content-Length too big");
             return;
         }
@@ -2555,8 +2560,10 @@ nxt_router_conn_http_header_parse(nxt_task_t *task, void *obj, void *data)
         if (c->read->mem.free == c->read->mem.end) {
             size = joint->socket_conf->large_header_buffer_size;
 
-            if (size <= (size_t) nxt_buf_mem_used_size(&buf->mem) ||
-                ap->r.header.bufs >= joint->socket_conf->large_header_buffers) {
+            if (size <= (size_t) nxt_buf_mem_used_size(&buf->mem)
+                || ap->r.header.bufs
+                   >= joint->socket_conf->large_header_buffers)
+            {
                 nxt_router_gen_error(task, c, 413,
                                      "Too long request headers");
                 return;
@@ -2797,8 +2804,10 @@ nxt_python_prepare_msg(nxt_task_t *task, nxt_app_request_t *r,
 
     NXT_WRITE(&h->method);
     NXT_WRITE(&h->target);
+
     if (h->path.start == h->target.start) {
         NXT_WRITE(&eof);
+
     } else {
         NXT_WRITE(&h->path);
     }
@@ -2876,8 +2885,10 @@ nxt_php_prepare_msg(nxt_task_t *task, nxt_app_request_t *r,
 
     NXT_WRITE(&h->method);
     NXT_WRITE(&h->target);
+
     if (h->path.start == h->target.start) {
         NXT_WRITE(&eof);
+
     } else {
         NXT_WRITE(&h->path);
     }
@@ -2961,8 +2972,10 @@ nxt_go_prepare_msg(nxt_task_t *task, nxt_app_request_t *r, nxt_app_wmsg_t *wmsg)
 
     NXT_WRITE(&h->method);
     NXT_WRITE(&h->target);
+
     if (h->path.start == h->target.start) {
         NXT_WRITE(&eof);
+
     } else {
         NXT_WRITE(&h->path);
     }
@@ -3057,6 +3070,7 @@ nxt_router_conn_ready(nxt_task_t *task, void *obj, void *data)
         nxt_debug(task, "router conn %p has more data to write", obj);
 
         nxt_conn_write(task->thread->engine, c);
+
     } else {
         nxt_debug(task, "router conn %p no more data to write, last = %d", obj,
                   last);
diff --git a/src/nxt_runtime.c b/src/nxt_runtime.c
index d18eab0a..f569f3f2 100644
--- a/src/nxt_runtime.c
+++ b/src/nxt_runtime.c
@@ -1571,8 +1571,9 @@ nxt_runtime_lvlhsh_pid_test(nxt_lvlhsh_query_t *lhq, void *data)
 
     process = data;
 
-    if (lhq->key.length == sizeof(nxt_pid_t) &&
-        *(nxt_pid_t *) lhq->key.start == process->pid) {
+    if (lhq->key.length == sizeof(nxt_pid_t)
+        && *(nxt_pid_t *) lhq->key.start == process->pid)
+    {
         return NXT_OK;
     }