Style.
diff --git a/src/core/ngx_conf_file.c b/src/core/ngx_conf_file.c
index fb72656..c60d5fb 100644
--- a/src/core/ngx_conf_file.c
+++ b/src/core/ngx_conf_file.c
@@ -613,9 +613,9 @@
                 need_space = 0;
 
             } else {
-                 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
-                                    "unexpected \"%c\"", ch);
-                 return NGX_ERROR;
+                ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                                   "unexpected \"%c\"", ch);
+                return NGX_ERROR;
             }
         }
 
diff --git a/src/core/ngx_connection.c b/src/core/ngx_connection.c
index 572def2..5a53bac 100644
--- a/src/core/ngx_connection.c
+++ b/src/core/ngx_connection.c
@@ -47,21 +47,21 @@
     switch (ls->sockaddr->sa_family) {
 #if (NGX_HAVE_INET6)
     case AF_INET6:
-         ls->addr_text_max_len = NGX_INET6_ADDRSTRLEN;
-         break;
+        ls->addr_text_max_len = NGX_INET6_ADDRSTRLEN;
+        break;
 #endif
 #if (NGX_HAVE_UNIX_DOMAIN)
     case AF_UNIX:
-         ls->addr_text_max_len = NGX_UNIX_ADDRSTRLEN;
-         len++;
-         break;
+        ls->addr_text_max_len = NGX_UNIX_ADDRSTRLEN;
+        len++;
+        break;
 #endif
     case AF_INET:
-         ls->addr_text_max_len = NGX_INET_ADDRSTRLEN;
-         break;
+        ls->addr_text_max_len = NGX_INET_ADDRSTRLEN;
+        break;
     default:
-         ls->addr_text_max_len = NGX_SOCKADDR_STRLEN;
-         break;
+        ls->addr_text_max_len = NGX_SOCKADDR_STRLEN;
+        break;
     }
 
     ls->addr_text.data = ngx_pnalloc(cf->pool, len);
@@ -168,22 +168,22 @@
 
 #if (NGX_HAVE_INET6)
         case AF_INET6:
-             ls[i].addr_text_max_len = NGX_INET6_ADDRSTRLEN;
-             len = NGX_INET6_ADDRSTRLEN + sizeof("[]:65535") - 1;
-             break;
+            ls[i].addr_text_max_len = NGX_INET6_ADDRSTRLEN;
+            len = NGX_INET6_ADDRSTRLEN + sizeof("[]:65535") - 1;
+            break;
 #endif
 
 #if (NGX_HAVE_UNIX_DOMAIN)
         case AF_UNIX:
-             ls[i].addr_text_max_len = NGX_UNIX_ADDRSTRLEN;
-             len = NGX_UNIX_ADDRSTRLEN;
-             break;
+            ls[i].addr_text_max_len = NGX_UNIX_ADDRSTRLEN;
+            len = NGX_UNIX_ADDRSTRLEN;
+            break;
 #endif
 
         case AF_INET:
-             ls[i].addr_text_max_len = NGX_INET_ADDRSTRLEN;
-             len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1;
-             break;
+            ls[i].addr_text_max_len = NGX_INET_ADDRSTRLEN;
+            len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1;
+            break;
 
         default:
             ngx_log_error(NGX_LOG_CRIT, cycle->log, ngx_socket_errno,
diff --git a/src/core/ngx_connection.h b/src/core/ngx_connection.h
index 19a2ab7..b0d162a 100644
--- a/src/core/ngx_connection.h
+++ b/src/core/ngx_connection.h
@@ -95,25 +95,25 @@
 
 
 typedef enum {
-     NGX_ERROR_ALERT = 0,
-     NGX_ERROR_ERR,
-     NGX_ERROR_INFO,
-     NGX_ERROR_IGNORE_ECONNRESET,
-     NGX_ERROR_IGNORE_EINVAL
+    NGX_ERROR_ALERT = 0,
+    NGX_ERROR_ERR,
+    NGX_ERROR_INFO,
+    NGX_ERROR_IGNORE_ECONNRESET,
+    NGX_ERROR_IGNORE_EINVAL
 } ngx_connection_log_error_e;
 
 
 typedef enum {
-     NGX_TCP_NODELAY_UNSET = 0,
-     NGX_TCP_NODELAY_SET,
-     NGX_TCP_NODELAY_DISABLED
+    NGX_TCP_NODELAY_UNSET = 0,
+    NGX_TCP_NODELAY_SET,
+    NGX_TCP_NODELAY_DISABLED
 } ngx_connection_tcp_nodelay_e;
 
 
 typedef enum {
-     NGX_TCP_NOPUSH_UNSET = 0,
-     NGX_TCP_NOPUSH_SET,
-     NGX_TCP_NOPUSH_DISABLED
+    NGX_TCP_NOPUSH_UNSET = 0,
+    NGX_TCP_NOPUSH_SET,
+    NGX_TCP_NOPUSH_DISABLED
 } ngx_connection_tcp_nopush_e;
 
 
diff --git a/src/core/ngx_crypt.c b/src/core/ngx_crypt.c
index d7d068c..9db74f4 100644
--- a/src/core/ngx_crypt.c
+++ b/src/core/ngx_crypt.c
@@ -165,8 +165,8 @@
         "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 
     while (n--) {
-       *p++ = itoa64[v & 0x3f];
-       v >>= 6;
+        *p++ = itoa64[v & 0x3f];
+        v >>= 6;
     }
 
     return p;
diff --git a/src/core/ngx_cycle.h b/src/core/ngx_cycle.h
index cfdbb55..c51b7ff 100644
--- a/src/core/ngx_cycle.h
+++ b/src/core/ngx_cycle.h
@@ -79,35 +79,35 @@
 
 
 typedef struct {
-     ngx_flag_t               daemon;
-     ngx_flag_t               master;
+    ngx_flag_t                daemon;
+    ngx_flag_t                master;
 
-     ngx_msec_t               timer_resolution;
+    ngx_msec_t                timer_resolution;
 
-     ngx_int_t                worker_processes;
-     ngx_int_t                debug_points;
+    ngx_int_t                 worker_processes;
+    ngx_int_t                 debug_points;
 
-     ngx_int_t                rlimit_nofile;
-     off_t                    rlimit_core;
+    ngx_int_t                 rlimit_nofile;
+    off_t                     rlimit_core;
 
-     int                      priority;
+    int                       priority;
 
-     ngx_uint_t               cpu_affinity_auto;
-     ngx_uint_t               cpu_affinity_n;
-     ngx_cpuset_t            *cpu_affinity;
+    ngx_uint_t                cpu_affinity_auto;
+    ngx_uint_t                cpu_affinity_n;
+    ngx_cpuset_t             *cpu_affinity;
 
-     char                    *username;
-     ngx_uid_t                user;
-     ngx_gid_t                group;
+    char                     *username;
+    ngx_uid_t                 user;
+    ngx_gid_t                 group;
 
-     ngx_str_t                working_directory;
-     ngx_str_t                lock_file;
+    ngx_str_t                 working_directory;
+    ngx_str_t                 lock_file;
 
-     ngx_str_t                pid;
-     ngx_str_t                oldpid;
+    ngx_str_t                 pid;
+    ngx_str_t                 oldpid;
 
-     ngx_array_t              env;
-     char                   **environment;
+    ngx_array_t               env;
+    char                    **environment;
 } ngx_core_conf_t;
 
 
diff --git a/src/core/ngx_file.c b/src/core/ngx_file.c
index d3e2ece..6c16e20 100644
--- a/src/core/ngx_file.c
+++ b/src/core/ngx_file.c
@@ -155,7 +155,7 @@
 
 #if 0
     for (i = 0; i < file->name.len; i++) {
-         file->name.data[i] = 'X';
+        file->name.data[i] = 'X';
     }
 #endif
 
diff --git a/src/core/ngx_inet.c b/src/core/ngx_inet.c
index 3bbadb8..765bda5 100644
--- a/src/core/ngx_inet.c
+++ b/src/core/ngx_inet.c
@@ -1242,19 +1242,19 @@
 #if (NGX_HAVE_UNIX_DOMAIN)
     case AF_UNIX:
 
-       /* TODO length */
+        /* TODO length */
 
-       saun1 = (struct sockaddr_un *) sa1;
-       saun2 = (struct sockaddr_un *) sa2;
+        saun1 = (struct sockaddr_un *) sa1;
+        saun2 = (struct sockaddr_un *) sa2;
 
-       if (ngx_memcmp(&saun1->sun_path, &saun2->sun_path,
-                      sizeof(saun1->sun_path))
-           != 0)
-       {
-           return NGX_DECLINED;
-       }
+        if (ngx_memcmp(&saun1->sun_path, &saun2->sun_path,
+                       sizeof(saun1->sun_path))
+            != 0)
+        {
+            return NGX_DECLINED;
+        }
 
-       break;
+        break;
 #endif
 
     default: /* AF_INET */
diff --git a/src/core/ngx_log.c b/src/core/ngx_log.c
index 0893871..e720079 100644
--- a/src/core/ngx_log.c
+++ b/src/core/ngx_log.c
@@ -33,14 +33,14 @@
 
 static ngx_command_t  ngx_errlog_commands[] = {
 
-    {ngx_string("error_log"),
-     NGX_MAIN_CONF|NGX_CONF_1MORE,
-     ngx_error_log,
-     0,
-     0,
-     NULL},
+    { ngx_string("error_log"),
+      NGX_MAIN_CONF|NGX_CONF_1MORE,
+      ngx_error_log,
+      0,
+      0,
+      NULL },
 
-    ngx_null_command
+      ngx_null_command
 };
 
 
@@ -585,7 +585,7 @@
             return NGX_CONF_ERROR;
         }
 
-     } else if (ngx_strncmp(value[1].data, "memory:", 7) == 0) {
+    } else if (ngx_strncmp(value[1].data, "memory:", 7) == 0) {
 
 #if (NGX_DEBUG)
         size_t                 size, needed;
@@ -644,7 +644,7 @@
         return NGX_CONF_ERROR;
 #endif
 
-     } else if (ngx_strncmp(value[1].data, "syslog:", 7) == 0) {
+    } else if (ngx_strncmp(value[1].data, "syslog:", 7) == 0) {
         peer = ngx_pcalloc(cf->pool, sizeof(ngx_syslog_peer_t));
         if (peer == NULL) {
             return NGX_CONF_ERROR;
diff --git a/src/core/ngx_parse_time.c b/src/core/ngx_parse_time.c
index 831cc71..13afde3 100644
--- a/src/core/ngx_parse_time.c
+++ b/src/core/ngx_parse_time.c
@@ -220,7 +220,7 @@
     }
 
     if (hour > 23 || min > 59 || sec > 59) {
-         return NGX_ERROR;
+        return NGX_ERROR;
     }
 
     if (day == 29 && month == 1) {
diff --git a/src/core/ngx_slab.c b/src/core/ngx_slab.c
index c112506..fa2a646 100644
--- a/src/core/ngx_slab.c
+++ b/src/core/ngx_slab.c
@@ -222,11 +222,11 @@
 
                             if (bitmap[n] == NGX_SLAB_BUSY) {
                                 for (n = n + 1; n < map; n++) {
-                                     if (bitmap[n] != NGX_SLAB_BUSY) {
-                                         p = (uintptr_t) bitmap + i;
+                                    if (bitmap[n] != NGX_SLAB_BUSY) {
+                                        p = (uintptr_t) bitmap + i;
 
-                                         goto done;
-                                     }
+                                        goto done;
+                                    }
                                 }
 
                                 prev = (ngx_slab_page_t *)
diff --git a/src/core/ngx_syslog.c b/src/core/ngx_syslog.c
index 08f4c04..0a67928 100644
--- a/src/core/ngx_syslog.c
+++ b/src/core/ngx_syslog.c
@@ -10,9 +10,9 @@
 
 
 #define NGX_SYSLOG_MAX_STR                                                    \
-     NGX_MAX_ERROR_STR + sizeof("<255>Jan 01 00:00:00 ") - 1                  \
-     + (NGX_MAXHOSTNAMELEN - 1) + 1 /* space */                               \
-     + 32 /* tag */ + 2 /* colon, space */
+    NGX_MAX_ERROR_STR + sizeof("<255>Jan 01 00:00:00 ") - 1                   \
+    + (NGX_MAXHOSTNAMELEN - 1) + 1 /* space */                                \
+    + 32 /* tag */ + 2 /* colon, space */
 
 
 static char *ngx_syslog_parse_args(ngx_conf_t *cf, ngx_syslog_peer_t *peer);