changeset 32:d45effe5854c

nginx-0.0.1-2002-12-19-10:08:55 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 19 Dec 2002 07:08:55 +0000
parents d1ebcc555037
children b2e039840718
files src/core/nginx.c src/core/ngx_config_command.c src/core/ngx_config_command.h src/core/ngx_config_file.c src/core/ngx_config_file.h src/event/modules/ngx_kqueue_module.c src/event/ngx_event.c src/event/ngx_event.h src/http/modules/ngx_http_index_handler.c src/http/modules/ngx_http_log_handler.c src/http/ngx_http.h src/http/ngx_http_config.c src/http/ngx_http_core.c src/http/ngx_http_event.c src/http/ngx_http_output_filter.c
diffstat 13 files changed, 213 insertions(+), 137 deletions(-) [+]
line wrap: on
line diff
--- a/src/core/nginx.c
+++ b/src/core/nginx.c
@@ -126,7 +126,7 @@ static void ngx_open_listening_sockets(n
                            ls[i].flags);
             if (s == -1) {
                 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
-                              ngx_socket_n " %s falied", ls[i].addr_text);
+                              ngx_socket_n " %s falied", ls[i].addr_text.data);
                 exit(1);
             }
 
@@ -134,7 +134,7 @@ static void ngx_open_listening_sockets(n
                            (const void *) &reuseaddr, sizeof(int)) == -1) {
                 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
                               "setsockopt(SO_REUSEADDR) %s failed",
-                              ls[i].addr_text);
+                              ls[i].addr_text.data);
                 exit(1);
             }
 
@@ -144,7 +144,7 @@ static void ngx_open_listening_sockets(n
                 if (ngx_nonblocking(s) == -1) {
                     ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
                                   ngx_nonblocking_n " %s failed",
-                                  ls[i].addr_text);
+                                  ls[i].addr_text.data);
                     exit(1);
                 }
             }
@@ -152,7 +152,7 @@ static void ngx_open_listening_sockets(n
             if (bind(s, ls[i].sockaddr, ls[i].socklen) == -1) {
                 err = ngx_socket_errno;
                 ngx_log_error(NGX_LOG_EMERG, log, err,
-                              "bind() to %s failed", ls[i].addr_text);
+                              "bind() to %s failed", ls[i].addr_text.data);
 
                 if (err != NGX_EADDRINUSE)
                     exit(1);
@@ -160,7 +160,7 @@ static void ngx_open_listening_sockets(n
                 if (ngx_close_socket(s) == -1)
                     ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
                                   ngx_close_socket_n " %s failed",
-                                  ls[i].addr_text);
+                                  ls[i].addr_text.data);
 
                 failed = 1;
                 continue;
@@ -168,7 +168,7 @@ static void ngx_open_listening_sockets(n
 
             if (listen(s, ls[i].backlog) == -1) {
                 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
-                              "listen() to %s failed", ls[i].addr_text);
+                              "listen() to %s failed", ls[i].addr_text.data);
                 exit(1);
             }
 
rename from src/core/ngx_config_command.c
rename to src/core/ngx_config_file.c
--- a/src/core/ngx_config_command.c
+++ b/src/core/ngx_config_file.c
@@ -1,54 +1,67 @@
 
 #include <ngx_config.h>
 
-
-#if 0
-
-typedef struct ngx_conf_file_t {
-    ngx_fd_t  fd;
-    char     *name;
-    int       line;
-    char     *pos;
-};
+#include <ngx_core.h>
 
-typedef struct ngx_conf_t {
-    char             *name;
-    ngx_array_t      *args;
+#include <ngx_config_file.h>
 
-    ngx_conf_file_t  *file;
-    ngx_log_t        *log;
-
-    void *context;             # ngx_http_conf_t
-};
 
 static int argument_number[] = {
     NGX_CONF_NOARGS,
     NGX_CONF_TAKE1,
-    NGX_CONF_TAKE2,
-    NGX_CONF_TAKE3
+    NGX_CONF_TAKE2
 };
 
+#if 0
 
-ngx_conf_parse(cf, container, filename)
+int ngx_conf_parse(ngx_conf_t *cf, char *filename)
 {
-    create cf;
-
-    *conatiner(cf);
+    int    rc;
+    char  *error;
+    ngx_fd_t  fd;
+    ngx_conf_file_t  *prev;
 
     if (filename) {
-        open;
+
+        fd = ngx_open_file(filename, NGX_FILE_RDONLY);
+        if (fd == NGX_INVALID_FILE) {
+            ngx_log_error(NGX_LOG_EMERG, cf->log, ngx_errno,
+                          "ngx_conf_open: "
+                          ngx_open_file_n " %s failed", filename);
+            return NGX_ERROR;
+        }
+
+        prev = cf->file;
+        ngx_test_null(cf->file, ngx_palloc(cf->pool, sizeof(ngx_conf_file_t)),
+                      NGX_ERROR);
+
+        cf->file->fd = fd;
+        cf->file->name = filename;
+        cf->file->line = 1;
+        cf->file->pos = 0;
     }
 
     for ( ;; ) {
         rc = ngx_conf_read_token(cf);
 
-NGX_OK, NGX_ERROR, NGX_CONF_FILE_DONE, NGX_CONF_BLOCK_DONE
+        /* ??? NGX_OK, NGX_ERROR, NGX_CONF_FILE_DONE, NGX_CONF_BLOCK_DONE */
 
-        if (rc != NGX_OK)
+        if (rc != NGX_OK) {
             return rc;
+        }
 
-"listen address:port;"
-"location /images/ {"
+        /* ????
+           "listen address:port;"
+           "location /images/ {" */
+
+        if (cf->handler) {
+
+            if (*(cf->handler)(cf) == NGX_ERROR) {
+                return NGX_ERROR;
+            }
+
+            continue;
+        }
 
         cmd = ngx_conf_find_token(cf);
         if (cmd == NULL) {
@@ -58,6 +71,18 @@ NGX_OK, NGX_ERROR, NGX_CONF_FILE_DONE, N
             return NGX_ERROR;
         }
 
+        if (cmd->type & argument_number[cf->args->nelts]) {
+            error = cmd->set(cf, cmd->offset, cf->args);
+
+            if (error) {
+                 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
+                               "%s in directive \"%s\" in %s:%d",
+                               error, cf->name, cf->file->name, cf->file->line);
+                return NGX_ERROR;
+            }
+        }
+
+#if 0
         if (cmd->type == NGX_CONF_CONTAINER) {
             ngx_conf_parse(cf, cmd->container, NULL);
 
@@ -109,14 +134,30 @@ NGX_OK, NGX_ERROR, NGX_CONF_FILE_DONE, N
             return NGX_ERROR;
         }
     }
+#endif
 
     if (filename) {
-        close;
+        cf->file = prev;
+
+        if (ngx_close_file(fd) == NGX_FILE_ERROR) {
+            ngx_log_error(NGX_LOG_ERR, cf->log, ngx_errno,
+                          ngx_close_file_n " %s failed", cf->name);
+            return NGX_ERROR;
+        }
     }
+
+    return NGX_OK;
 }    
 
+#endif
+
+#if 0
+
 int ngx_conf_read_token(ngx_conf_t *cf)
 {
+    char        *start, ch, *src, *dst;
+    int          n, need_space, last_space, len, quoted, s_quoted, d_quoted;
+    ngx_hunk_t  *h;
 
     need_space = 0;
     last_space = 1;
@@ -124,13 +165,35 @@ int ngx_conf_read_token(ngx_conf_t *cf)
     quoted = s_quoted = d_quoted = 0;
 
     cf->args->nelts = 0;
+    h = cf->conf_file->hunk;
 
-    for (/* void */ ; cf->pos < cf->end; cf->pos++) {
+    for (start = h->pos.mem; /* end_of_file */ ; h->pos.mem++) {
+
+        if (h->pos.mem >= h->last.mem) {
+            if (h->pos.mem - start) {
+                ngx_memcpy(h->start, start, h->pos.mem - start);
+            }
+
+            n = ngx_read_file(cf->conf_file->file,
+                              h->start + (h->pos.mem - start),
+                              h->end - (h->start + (h->pos.mem - start)),
+                              cf->conf_file->file.offset);
 
-        ch = *cf->pos;
+            if (n == NGX_ERROR) {
+                return NGX_ERROR;
+            }
 
-        if (ch == LF)
-            cf->line++;
+            cf->conf_file.file.offset += n;
+            h->pos.mem = h->start + (h->pos.mem - start);
+            start = h->start;
+            h->last.mem = h->pos.mem + n;
+        }
+
+        ch = *h->pos.mem;
+
+        if (ch == LF) {
+            cf->conf_file->line++;
+        }
 
         if (quoted) {
             quoted = 0;
@@ -139,6 +202,15 @@ int ngx_conf_read_token(ngx_conf_t *cf)
 
         len++;
 
+        if (last_space) {
+            start = h->pos.mem;
+
+            if (ch == ' ' || ch == '\t' || ch == CR || ch == LF) {
+                start++;
+                continue;
+            }
+        }
+
         if (ch = '\\') {
             quoted = 1;
             continue;
@@ -147,7 +219,7 @@ int ngx_conf_read_token(ngx_conf_t *cf)
         if (d_quoted) {
 
             if (ch == '"') {
-                d_qouted = 0;
+                d_quoted = 0;
                 need_space = 1;
                 last_space = 1;
                 continue;
@@ -156,7 +228,7 @@ int ngx_conf_read_token(ngx_conf_t *cf)
         } else if (s_quoted) {
 
             if (ch == '\'') {
-                s_qouted = 0;
+                s_quoted = 0;
                 need_space = 1;
                 last_space = 1;
                 continue;
@@ -165,11 +237,12 @@ int ngx_conf_read_token(ngx_conf_t *cf)
         } else {
 
             if (ch == ' ' || ch == '\t' || ch == CR || ch == LF) {
-                ngx_test_null(word, ngx_push_array(cf->args), NGX_ERRROR);
-                ngx_test_null(*word, ngx_palloc(cf->temp_pool, len + 1),
+                ngx_test_null(word, ngx_push_array(cf->args), NGX_ERROR);
+                ngx_test_null(word->data, ngx_palloc(cf->temp_pool, len + 1),
                               NGX_ERROR);
+                word->len = len;
 
-                for (dst = *word, src = cf->start; src < cf->pos; /* void */) {
+                for (dst = word->data, src = start; src < h->pos; /* void */) {
                     if (*src == '\\')
                         src++;
                     *dst++ = *src++;
@@ -185,23 +258,26 @@ int ngx_conf_read_token(ngx_conf_t *cf)
                 return NGX_ERROR;
             }
 
-            if (ch == ';')
+            if (ch == ';') {
                 return NGX_OK;
+            }
 
-            if (ch == '{')
+            if (ch == '{') {
                 return NGX_OK;
+            }
 
-            if (ch == '}')
+            if (ch == '}') {
                 return NGX_BLOCK_DONE;
+            }
 
             if (last_space) {
                 if (ch == '"') {
-                    d_qouted = 1;
+                    d_quoted = 1;
                     continue;
                 }
 
                 if (ch == '\'') {
-                    s_qouted = 1;
+                    s_quoted = 1;
                     continue;
                 }
             }
@@ -211,50 +287,8 @@ int ngx_conf_read_token(ngx_conf_t *cf)
     }
 }
 
-container
-    server
-    location
-    module
-    if
-
-http_conf current server
-          current location
-
-
-ngx_conf_t *ngx_conf_open(char *filename, ngx_log_t *log)
-{
-    ngx_cf->fd = ngx_open_file(config, NGX_FILE_RDONLY);
-    if (ngx_conf->fd == -1) {
-        ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
-                      "ngx_conf_open: "
-                      ngx_open_file_n " %s failed", filename);
-
-        return NULL;
-    }
-
-    ngx_conf->name = filename;
-    ngx_conf->log = log;
-    return ngx_conf;
-}
-
-void ngx_conf_close(ngx_conf_t *cf)
-{
-    if (ngx_close_file(cf->fd) == -1) {
-        ngx_log_error(NGX_LOG_ERR, cf->log, ngx_errno,
-                      ngx_close_file_n " %s failed", cf->name);
-    }
-
-    cf->fd = -1;
-}
-
-
-
-
-
-
 #endif
 
-
 char *ngx_conf_set_size_slot(char *conf, int offset, char *value)
 {
     int size;
rename from src/core/ngx_config_command.h
rename to src/core/ngx_config_file.h
--- a/src/core/ngx_config_command.h
+++ b/src/core/ngx_config_file.h
@@ -1,11 +1,44 @@
-#ifndef _NGX_HTTP_CONFIG_COMMAND_H_INCLUDED_
-#define _NGX_HTTP_CONFIG_COMMAND_H_INCLUDED_
+#ifndef _NGX_HTTP_CONFIG_FILE_H_INCLUDED_
+#define _NGX_HTTP_CONFIG_FILE_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_files.h>
+#include <ngx_log.h>
+#include <ngx_file.h>
+#include <ngx_alloc.h>
+#include <ngx_hunk.h>
+#include <ngx_array.h>
+
+#define NGX_CONF_NOARGS    1
+#define NGX_CONF_TAKE1     2
+#define NGX_CONF_TAKE2     4
+
+#define NGX_CONF_ITERATE   0
+
+#define NGX_CONF_UNSET    -1
 
 
-#define NGX_CONF_TAKE1     0
-#define NGX_CONF_ITERATE   0
+typedef struct {
+    ngx_file_t   file;
+    ngx_hunk_t  *hunk;
+    int          line;
+} ngx_conf_file_t;
 
-#define NGX_CONF_UNSET   -1
+typedef struct ngx_conf_s  ngx_conf_t;
+struct ngx_conf_s {
+    char             *name;
+    ngx_array_t      *args;
+
+    ngx_pool_t       *pool;
+    ngx_conf_file_t  *conf_file;
+    ngx_log_t        *log;
+
+    void             *ctx;
+    int             (*handler)(ngx_conf_t *cf);
+};
+
+
 
 typedef struct {
     char    *name;
@@ -20,4 +53,4 @@ char *ngx_conf_set_size_slot(char *conf,
 char *ngx_conf_set_time_slot(char *conf, int offset, char *value);
 
 
-#endif _NGX_HTTP_CONFIG_COMMAND_H_INCLUDED_
+#endif _NGX_HTTP_CONFIG_FILE_H_INCLUDED_
--- a/src/event/modules/ngx_kqueue_module.c
+++ b/src/event/modules/ngx_kqueue_module.c
@@ -27,8 +27,9 @@ static ngx_event_t      timer_queue;
 
 int ngx_kqueue_init(int max_connections, ngx_log_t *log)
 {
-    int size = sizeof(struct kevent) * 512;
+    int size;
 
+    size = sizeof(struct kevent) * 512;
     nchanges = 0;
     nevents = 512;
 
@@ -68,8 +69,9 @@ int ngx_kqueue_del_event(ngx_event_t *ev
 {
     ngx_event_t *e;
 
-    if (ev->index < nchanges && change_list[ev->index].udata == ev) {
-
+    if (nchanges > 0 && ev->index < nchanges
+        && change_list[ev->index].udata == ev)
+    {
         ngx_connection_t *cn = (ngx_connection_t *) ev->data;
         ngx_log_debug(ev->log, "kqueue del event: %d: ft:%d" _
                       cn->fd _ event);
@@ -92,8 +94,10 @@ int ngx_kqueue_del_event(ngx_event_t *ev
 
 int ngx_kqueue_set_event(ngx_event_t *ev, int filter, u_int flags)
 {
-    struct timespec  ts = { 0, 0 };
-    ngx_connection_t *cn = (ngx_connection_t *) ev->data;
+    struct timespec   ts;
+    ngx_connection_t *cn;
+
+    cn = (ngx_connection_t *) ev->data;
 
     ngx_log_debug(ev->log, "kqueue set event: %d: ft:%d f:%08x" _
                   cn->fd _ filter _ flags);
@@ -102,6 +106,9 @@ int ngx_kqueue_set_event(ngx_event_t *ev
         ngx_log_error(NGX_LOG_WARN, ev->log, 0,
                       "kqueue change list is filled up");
 
+        ts.tv_sec = 0;
+        ts.tv_nsec = 0;
+
         if (kevent(kq, change_list, nchanges, NULL, 0, &ts) == -1) {
             ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, "kevent failed");
             return NGX_ERROR;
@@ -149,6 +156,7 @@ int ngx_kqueue_process_events(ngx_log_t 
     ngx_log_debug(log, "kevent timer: %d" _ timer);
 
     events = kevent(kq, change_list, nchanges, event_list, nevents, tp);
+
     if (events == -1) {
         ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "kevent failed");
         return NGX_ERROR;
--- a/src/event/ngx_event.c
+++ b/src/event/ngx_event.c
@@ -22,7 +22,7 @@ ngx_event_t         *ngx_read_events, *n
 
 #if !(USE_KQUEUE)
 
-#if 1
+#if 0
 ngx_event_type_e     ngx_event_type = NGX_SELECT_EVENT;
 #else
 ngx_event_type_e     ngx_event_type = NGX_KQUEUE_EVENT;
--- a/src/event/ngx_event.h
+++ b/src/event/ngx_event.h
@@ -135,7 +135,7 @@ NGX_CLOSE_EVENT            kqueue: kqueu
 #define ngx_init_events      ngx_kqueue_init
 #define ngx_process_events   ngx_kqueue_process_events
 #define ngx_add_event        ngx_kqueue_add_event
-#define ngx_del_event        ngx_kqueue_add_event
+#define ngx_del_event        ngx_kqueue_del_event
 #define ngx_add_timer        ngx_kqueue_add_timer
 #define ngx_event_recv       ngx_event_recv_core
 
--- a/src/http/modules/ngx_http_index_handler.c
+++ b/src/http/modules/ngx_http_index_handler.c
@@ -4,7 +4,7 @@
 #include <ngx_errno.h>
 #include <ngx_string.h>
 #include <ngx_files.h>
-#include <ngx_config_command.h>
+#include <ngx_config_file.h>
 #include <ngx_http.h>
 #include <ngx_http_config.h>
 #include <ngx_http_index_handler.h>
--- a/src/http/modules/ngx_http_log_handler.c
+++ b/src/http/modules/ngx_http_log_handler.c
@@ -32,8 +32,6 @@ int ngx_http_log_handler(ngx_http_reques
     len += r->connection->addr_text.len;
     len += r->request_line.len;
 
-    ngx_log_debug(r->connection->log, "log handler: %d" _ len);
-
     ngx_test_null(line, ngx_palloc(r->pool, len), NGX_ERROR);
     p = line;
 
@@ -46,13 +44,8 @@ int ngx_http_log_handler(ngx_http_reques
 
     *p++ = ' ';
 
-    *p = '\0';
-    ngx_log_debug(r->connection->log, "log handler: %s" _ line);
-
     ngx_localtime(&tm);
 
-    ngx_log_debug(r->connection->log, "log handler: %s" _ line);
-
     *p++ = '[';
     p += ngx_snprintf(p, 21, "%02d/%s/%d:%02d:%02d:%02d",
                       tm.ngx_tm_mday, months[tm.ngx_tm_mon - 1],
@@ -63,9 +56,6 @@ int ngx_http_log_handler(ngx_http_reques
 
     *p++ = ' ';
 
-    *p = '\0';
-    ngx_log_debug(r->connection->log, "log handler: %s" _ line);
-
     *p++ = '"';
     ngx_memcpy(p, r->request_line.data, r->request_line.len);
     p += r->request_line.len;
@@ -79,19 +69,13 @@ int ngx_http_log_handler(ngx_http_reques
 
     p += ngx_snprintf(p, 21, QD_FMT, r->connection->sent);
 
-    *p = '\0';
-    ngx_log_debug(r->connection->log, "log handler: %s" _ line);
-
 #if (WIN32)
     *p++ = CR; *p++ = LF;
 #else
     *p++ = LF;
 #endif
 
-    *p = '\0';
-    ngx_log_debug(r->connection->log, "log handler: %s" _ line);
-
-    write(1, line, len);
+    write(1, line, p - line);
 
     return NGX_OK;
 }
--- a/src/http/ngx_http.h
+++ b/src/http/ngx_http.h
@@ -9,7 +9,7 @@
 #include <ngx_hunk.h>
 #include <ngx_files.h>
 #include <ngx_connection.h>
-#include <ngx_config_command.h>
+#include <ngx_config_file.h>
 
 
 #define NGX_HTTP_VERSION_10       1000
--- a/src/http/ngx_http_config.c
+++ b/src/http/ngx_http_config.c
@@ -1,7 +1,7 @@
 
 #include <ngx_config.h>
 #include <ngx_core.h>
-#include <ngx_config_command.h>
+#include <ngx_config_file.h>
 #include <ngx_http.h>
 #include <ngx_http_write_filter.h>
 #include <ngx_http_output_filter.h>
@@ -17,7 +17,7 @@ void **ngx_srv_conf;
 void **ngx_loc_conf;
 
 #if 0
-void *ngx_http_block(ngx_conf_t *cf)
+int ngx_http_block(ngx_conf_t *cf)
 {
     ngx_http_conf_ctx_t  *ctx;
 
@@ -25,10 +25,12 @@ void *ngx_http_block(ngx_conf_t *cf)
                   ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)),
                   NGX_ERROR);
 
+#if 0
     /* null server config */
     ngx_test_null(ctx->srv_conf,
                   ngx_pcalloc(cf->pool, sizeof(void *) * ngx_max_module),
                   NGX_ERROR);
+#endif
 
     /* null location config */
     ngx_test_null(ctx->loc_conf,
@@ -36,10 +38,12 @@ void *ngx_http_block(ngx_conf_t *cf)
                   NGX_ERROR);
 
     for (i = 0; modules[i]; i++) {
+#if 0
         if (modules[i]->create_srv_conf)
             ngx_test_null(ctx->srv_conf[i],
                           modules[i]->create_srv_conf(cf->pool),
                           NGX_ERROR);
+#endif
 
         if (modules[i]->create_loc_conf)
             ngx_test_null(ctx->loc_conf[i],
@@ -51,10 +55,9 @@ void *ngx_http_block(ngx_conf_t *cf)
     return ngx_conf_parse(cf);
 }
 
-void *ngx_server_block(ngx_conf_t *cf)
+int ngx_server_block(ngx_conf_t *cf)
 {
-    ngx_http_conf_ctx_t       *ctx, *prev;
-    ngx_http_core_loc_conf_t  *loc_conf;
+    ngx_http_conf_ctx_t  *ctx, *prev;
 
     ngx_test_null(ctx,
                   ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)),
@@ -88,31 +91,45 @@ void *ngx_server_block(ngx_conf_t *cf)
     rc = ngx_conf_parse(cf);
     cf->ctx = prev;
 
-    if (loc == NULL)
-        return NULL;
+    if (loc == NGX_ERROR)
+        return NGX_ERROR;
 
     for (i = 0; modules[i]; i++) {
+#if 0
         if (modules[i]->merge_srv_conf)
             if (modules[i]->merge_srv_conf(cf->pool,
                                            prev->srv_conf, ctx->srv_conf)
                                                                   == NGX_ERROR)
                 return NGX_ERROR;
+#endif
+
+        if (modules[i]->init_srv_conf)
+            if (modules[i]->init_srv_conf(cf->pool, ctx->srv_conf) == NGX_ERROR)
+                return NGX_ERROR;
 
         if (modules[i]->merge_loc_conf)
             if (modules[i]->merge_loc_conf(cf->pool,
                                            prev->loc_conf, ctx->loc_conf)
                                                                   == NGX_ERROR)
                 return NGX_ERROR;
+
+            for (array) {
+                if (modules[i]->merge_loc_conf(cf->pool,
+                                               ctx->loc_conf, loc->loc_conf)
+                                                                  == NGX_ERROR)
+                return NGX_ERROR;
+            }
+        }
     }
 
-    return (void *) 1;
+    return NGX_OK;
 }
 
-void *ngx_location_block(ngx_conf_t *cf)
+int ngx_location_block(ngx_conf_t *cf)
 {
+    ngx_http_conf_ctx_t  *ctx, *prev;
 
-    ngx_test_null(ctx,
-                  ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)),
+    ngx_test_null(ctx, ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)),
                   NGX_ERROR);
 
     ctx->srv_conf = cf->ctx->srv_conf;
--- a/src/http/ngx_http_core.c
+++ b/src/http/ngx_http_core.c
@@ -1,7 +1,7 @@
 
 #include <ngx_config.h>
 #include <ngx_core.h>
-#include <ngx_config_command.h>
+#include <ngx_config_file.h>
 #include <ngx_http.h>
 #include <ngx_http_core.h>
 #include <ngx_http_config.h>
--- a/src/http/ngx_http_event.c
+++ b/src/http/ngx_http_event.c
@@ -107,7 +107,7 @@ int ngx_http_init_connection(ngx_connect
     c->addr_text.len = ngx_inet_ntop(c->family,
                                      (char *)c->sockaddr + c->addr,
                                      c->addr_text.data, c->addr_text.len);
-    if (c->addr_text.len = 0)
+    if (c->addr_text.len == 0)
        return NGX_ERROR;
 
     ngx_test_null(ctx, ngx_pcalloc(c->pool, sizeof(ngx_http_log_ctx_t)),
--- a/src/http/ngx_http_output_filter.c
+++ b/src/http/ngx_http_output_filter.c
@@ -3,7 +3,7 @@
 #include <ngx_files.h>
 #include <ngx_string.h>
 #include <ngx_hunk.h>
-#include <ngx_config_command.h>
+#include <ngx_config_file.h>
 #include <ngx_http.h>
 #include <ngx_http_config.h>
 #include <ngx_http_output_filter.h>