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changeset 98:c9b243802a17

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nginx-0.0.1-2003-05-30-18:27:59 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 30 May 2003 14:27:59 +0000
parents 70d2345a903f
children a059e1aa65d4
files src/core/nginx.c src/core/ngx_conf_file.c src/core/ngx_conf_file.h src/core/ngx_core.h src/core/ngx_string.h src/event/ngx_event_accept.c src/http/modules/ngx_http_index_handler.c src/http/ngx_http.c src/http/ngx_http_core_module.c src/http/ngx_http_header_filter.c src/http/ngx_http_output_filter.c src/http/ngx_http_special_response.c src/os/unix/ngx_errno.h src/os/win32/ngx_errno.c src/os/win32/ngx_files.h
diffstat 15 files changed, 181 insertions(+), 141 deletions(-) [+]
line wrap: on
line diff
--- a/src/core/nginx.c
+++ b/src/core/nginx.c
@@ -1,30 +1,16 @@
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+
+#include <ngx_listen.h>
 
 #include <nginx.h>
 
-#include <ngx_config.h>
-
-#include <ngx_core.h>
-#include <ngx_connection.h>
-#include <ngx_os_init.h>
-#include <ngx_server.h>
-#include <ngx_listen.h>
-#include <ngx_conf_file.h>
-
-/* STUB */
-#include <ngx_http.h>
-/* */
 
 
-static void ngx_set_signals(ngx_log_t *log);
-static void ngx_open_listening_sockets(ngx_log_t *log);
-
+static int ngx_open_listening_sockets(ngx_log_t *log);
 
-/* STUB */
-int ngx_max_conn = 512;
-u_int  ngx_sendfile_flags;
-
-ngx_server_t  ngx_server;
-/* */
 
 ngx_log_t       ngx_log;
 ngx_pool_t     *ngx_pool;
@@ -34,8 +20,8 @@ void        ****ngx_conf_ctx;
 ngx_os_io_t  ngx_io;
 
 
-int ngx_max_module;
-void *ctx_conf;
+int     ngx_max_module;
+void   *ctx_conf;
 
 int ngx_connection_counter;
 
@@ -109,7 +95,9 @@ int main(int argc, char *const *argv)
             }
         }
 
-        ngx_open_listening_sockets(&ngx_log);
+        if (ngx_open_listening_sockets(&ngx_log) == NGX_ERROR) {
+            return 1;
+        }
 
         /* TODO: daemon, once only */
 
@@ -127,7 +115,7 @@ int main(int argc, char *const *argv)
 }
 
 
-static void ngx_open_listening_sockets(ngx_log_t *log)
+static int ngx_open_listening_sockets(ngx_log_t *log)
 {
     int           times, failed, reuseaddr, i;
     ngx_err_t     err;
@@ -161,7 +149,7 @@ static void ngx_open_listening_sockets(n
             if (s == -1) {
                 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
                               ngx_socket_n " %s falied", ls[i].addr_text.data);
-                exit(1);
+                return NGX_ERROR;
             }
 
             if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR,
@@ -169,7 +157,7 @@ static void ngx_open_listening_sockets(n
                 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
                               "setsockopt(SO_REUSEADDR) %s failed",
                               ls[i].addr_text.data);
-                exit(1);
+                return NGX_ERROR;
             }
 
             /* TODO: close on exit */
@@ -179,7 +167,7 @@ static void ngx_open_listening_sockets(n
                     ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
                                   ngx_nonblocking_n " %s failed",
                                   ls[i].addr_text.data);
-                    exit(1);
+                    return NGX_ERROR;
                 }
             }
 
@@ -189,7 +177,7 @@ static void ngx_open_listening_sockets(n
                               "bind() to %s failed", ls[i].addr_text.data);
 
                 if (err != NGX_EADDRINUSE)
-                    exit(1);
+                    return NGX_ERROR;
 
                 if (ngx_close_socket(s) == -1)
                     ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
@@ -203,7 +191,7 @@ 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.data);
-                exit(1);
+                return NGX_ERROR;
             }
 
             /* TODO: deferred accept */
@@ -222,6 +210,8 @@ static void ngx_open_listening_sockets(n
 
     if (failed) {
         ngx_log_error(NGX_LOG_EMERG, log, 0, "can not bind(), exiting");
-        exit(1);
+        return NGX_ERROR;
     }
+
+    return NGX_OK;
 }
--- a/src/core/ngx_conf_file.c
+++ b/src/core/ngx_conf_file.c
@@ -20,7 +20,7 @@ static int ngx_conf_read_token(ngx_conf_
 
 char *ngx_conf_parse(ngx_conf_t *cf, ngx_str_t *filename)
 {
-    int               m, rc, found;
+    int               m, rc, found, valid;
     char             *rv;
     void             *conf, **confp;
     ngx_str_t        *name;
@@ -139,15 +139,33 @@ ngx_log_debug(cf->log, "command '%s'" _ 
 
                     /* is the directive's argument count right ? */
 
-                    if (!(cmd->type & NGX_CONF_ANY)
-                        && ((cmd->type & NGX_CONF_FLAG && cf->args->nelts != 2)
-                            || (!(cmd->type & NGX_CONF_FLAG)
-                                && !(cmd->type
-                                      & argument_number[cf->args->nelts - 1])
-                               )
-                           )
-                       )
-                    {
+                    if (cmd->type & argument_number[cf->args->nelts - 1]) {
+                        valid = 1;
+
+                    } else if (cmd->type & NGX_CONF_ANY1) {
+
+                        if (cf->args->nelts != 1) {
+                            valid = 1;
+                        } else {
+                            valid = 0;
+                        }
+
+                    } else if (cmd->type & NGX_CONF_FLAG) {
+
+                        if (cf->args->nelts == 2) {
+                            valid = 1;
+                        } else {
+                            valid = 0;
+                        }
+
+                    } else if (cmd->type & NGX_CONF_ANY) {
+                        valid = 1;
+
+                    } else {
+                        valid = 0;
+                    }
+
+                    if (!valid) {
                         ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
                                       "invalid number arguments in "
                                       "directive \"%s\" in %s:%d",
@@ -441,10 +459,12 @@ ngx_log_debug(cf->log, "FOUND %d:'%s'" _
 
 char *ngx_conf_set_flag_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
 {
+    char  *p = conf;
+
     int         flag;
     ngx_str_t  *value;
 
-    if (*(int *) (conf + cmd->offset) != NGX_CONF_UNSET) {
+    if (*(int *) (p + cmd->offset) != NGX_CONF_UNSET) {
         return "is duplicate";
     }
 
@@ -457,10 +477,13 @@ char *ngx_conf_set_flag_slot(ngx_conf_t 
         flag = 0;
 
     } else {
-        return "must be \"on\" or \"off\"";
+        ngx_snprintf(ngx_conf_errstr, sizeof(ngx_conf_errstr) - 1,
+                     "invalid value \"%s\", it must be \"on\" or \"off\"",
+                     value[1].data);
+        return ngx_conf_errstr;
     }
 
-    *(int *) (conf + cmd->offset) = flag;
+    *(int *) (p + cmd->offset) = flag;
 
     return NGX_CONF_OK;
 }
@@ -468,9 +491,11 @@ char *ngx_conf_set_flag_slot(ngx_conf_t 
 
 char *ngx_conf_set_str_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
 {
+    char  *p = conf;
+
     ngx_str_t  *field, *value;
 
-    field = (ngx_str_t *) (conf + cmd->offset);
+    field = (ngx_str_t *) (p + cmd->offset);
 
     if (field->data) {
         return "is duplicate";
@@ -487,10 +512,12 @@ char *ngx_conf_set_str_slot(ngx_conf_t *
 
 char *ngx_conf_set_num_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
 {
+    char  *p = conf;
+
     int         num, len;
     ngx_str_t  *value;
 
-    if (*(int *) (conf + cmd->offset) != NGX_CONF_UNSET) {
+    if (*(int *) (p + cmd->offset) != NGX_CONF_UNSET) {
         return "is duplicate";
     }
 
@@ -500,10 +527,10 @@ char *ngx_conf_set_num_slot(ngx_conf_t *
 
     num = ngx_atoi(value[1].data, len);
     if (num == NGX_ERROR) {
-        return "invalid value";
+        return "invalid number";
     }
 
-    *(int *) (conf + cmd->offset) = num;
+    *(int *) (p + cmd->offset) = num;
 
     return NGX_CONF_OK;
 }
@@ -511,11 +538,13 @@ char *ngx_conf_set_num_slot(ngx_conf_t *
 
 char *ngx_conf_set_size_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
 {
+    char  *p = conf;
+
     int         size, len, scale;
     char        last;
     ngx_str_t  *value;
 
-    if (*(int *) (conf + cmd->offset) != NGX_CONF_UNSET) {
+    if (*(int *) (p + cmd->offset) != NGX_CONF_UNSET) {
         return "is duplicate";
     }
 
@@ -548,7 +577,7 @@ char *ngx_conf_set_size_slot(ngx_conf_t 
 
     size *= scale;
 
-    *(int *) (conf + cmd->offset) = size;
+    *(int *) (p + cmd->offset) = size;
 
     return NGX_CONF_OK;
 }
@@ -556,12 +585,14 @@ char *ngx_conf_set_size_slot(ngx_conf_t 
 
 char *ngx_conf_set_msec_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
 {
+    char  *p = conf;
+
     int         size, total, len, scale;
     u_int       max, i;
     char        last, *start;
     ngx_str_t  *value;
 
-    if (*(int *) (conf + cmd->offset) != NGX_CONF_UNSET) {
+    if (*(int *) (p + cmd->offset) != NGX_CONF_UNSET) {
         return "is duplicate";
     }
 
@@ -643,7 +674,7 @@ char *ngx_conf_set_msec_slot(ngx_conf_t 
         start = &value[1].data[i + 1];
     }
 
-    *(int *) (conf + cmd->offset) = total;
+    *(int *) (p + cmd->offset) = total;
 
     return NGX_CONF_OK;
 }
@@ -651,12 +682,14 @@ char *ngx_conf_set_msec_slot(ngx_conf_t 
 
 char *ngx_conf_set_sec_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
 {
+    char  *p = conf;
+
     int         size, total, len, scale;
     u_int       max, i;
     char        last, *start;
     ngx_str_t  *value;
 
-    if (*(int *) (conf + cmd->offset) != NGX_CONF_UNSET) {
+    if (*(int *) (p + cmd->offset) != NGX_CONF_UNSET) {
         return "is duplicate";
     }
 
@@ -750,7 +783,7 @@ char *ngx_conf_set_sec_slot(ngx_conf_t *
         start = &value[1].data[i + 1];
     }
 
-    *(int *) (conf + cmd->offset) = total;
+    *(int *) (p + cmd->offset) = total;
 
     return NGX_CONF_OK;
 }
--- a/src/core/ngx_conf_file.h
+++ b/src/core/ngx_conf_file.h
@@ -24,8 +24,9 @@
 #define NGX_CONF_TAKE2       0x00000004
 #define NGX_CONF_ARGS_NUMBER 0x0000ffff
 #define NGX_CONF_ANY         0x00010000
-#define NGX_CONF_BLOCK       0x00020000
-#define NGX_CONF_FLAG        0x00040000
+#define NGX_CONF_ANY1        0x00020000
+#define NGX_CONF_BLOCK       0x00040000
+#define NGX_CONF_FLAG        0x00080000
 
 #define NGX_MAIN_CONF        0x01000000
 
@@ -83,7 +84,7 @@ typedef struct {
 
 
 typedef char *(*ngx_conf_handler_pt)(ngx_conf_t *cf,
-                                     ngx_command_t *dummy, char *conf);
+                                     ngx_command_t *dummy, void *conf);
 
 
 struct ngx_conf_s {
--- a/src/core/ngx_core.h
+++ b/src/core/ngx_core.h
@@ -43,7 +43,7 @@ typedef struct ngx_event_s       ngx_eve
 
 
 
-#define NGX_MAXHOSTNAMELEN 32
+#define NGX_MAXHOSTNAMELEN 64
 /*
 #define NGX_MAXHOSTNAMELEN MAXHOSTNAMELEN
 */
--- a/src/core/ngx_string.h
+++ b/src/core/ngx_string.h
@@ -46,7 +46,7 @@ typedef struct {
 #endif
 
 #define ngx_memcpy(dst, src, n)   memcpy(dst, src, n)
-#define ngx_cpymem(dst, src, n)   memcpy(dst, src, n) + n
+#define ngx_cpymem(dst, src, n)   ((char *) memcpy(dst, src, n)) + n
 
 char *ngx_cpystrn(char *dst, char *src, size_t n);
 int ngx_rstrncmp(char *s1, char *s2, size_t n);
--- a/src/event/ngx_event_accept.c
+++ b/src/event/ngx_event_accept.c
@@ -63,7 +63,8 @@ void ngx_event_accept(ngx_event_t *ev)
             return;
         }
 
-        if (s >= ecf->connections) {
+        /* disable warnings: Win32 SOCKET is u_int while UNIX socket is int */
+        if ((unsigned) s >= (unsigned) ecf->connections) {
 
             ngx_log_error(NGX_LOG_ALERT, ev->log, 0,
                           "accept() %s returned socket #%d while "
--- a/src/http/modules/ngx_http_index_handler.c
+++ b/src/http/modules/ngx_http_index_handler.c
@@ -14,7 +14,7 @@ static char *ngx_http_index_set_index(ng
 static ngx_command_t ngx_http_index_commands[] = {
 
     {ngx_string("index"),
-     NGX_HTTP_LOC_CONF|NGX_CONF_ANY,
+     NGX_HTTP_LOC_CONF|NGX_CONF_ANY1,
      ngx_http_index_set_index,
      NGX_HTTP_LOC_CONF_OFFSET,
      0,
@@ -280,7 +280,7 @@ static char *ngx_http_index_set_index(ng
     for (i = 1; i < cf->args->nelts; i++) {
         if (value[i].len == 0) {
             ngx_snprintf(ngx_conf_errstr, sizeof(ngx_conf_errstr) - 1,
-                         "index \"%s\" is invalid", value[1].data);
+                         "index \"%s\" is invalid", value[i].data);
             return ngx_conf_errstr;
         }
 
--- a/src/http/ngx_http.c
+++ b/src/http/ngx_http.c
@@ -151,14 +151,14 @@ static char *ngx_http_block(ngx_conf_t *
        and its location{}s' loc_conf's */
 
     cmcf = ctx->main_conf[ngx_http_core_module.ctx_index];
-    cscfp = (ngx_http_core_srv_conf_t **)cmcf->servers.elts;
+    cscfp = cmcf->servers.elts;
 
     for (m = 0; ngx_modules[m]; m++) {
         if (ngx_modules[m]->type != NGX_HTTP_MODULE) {
             continue;
         }
 
-        module = (ngx_http_module_t *) ngx_modules[m]->ctx;
+        module = ngx_modules[m]->ctx;
         mi = ngx_modules[m]->ctx_index;
 
         /* init http{} main_conf's */
@@ -227,18 +227,18 @@ static char *ngx_http_block(ngx_conf_t *
                    NGX_CONF_ERROR);
 
     /* "server" directives */
-    cscfp = (ngx_http_core_srv_conf_t **) cmcf->servers.elts;
+    cscfp = cmcf->servers.elts;
     for (s = 0; s < cmcf->servers.nelts; s++) {
 
         /* "listen" directives */
-        lscf = (ngx_http_listen_t *) cscfp[s]->listen.elts;
+        lscf = cscfp[s]->listen.elts;
         for (l = 0; l < cscfp[s]->listen.nelts; l++) {
 
             port_found = 0;
 
             /* AF_INET only */
 
-            in_port = (ngx_http_in_port_t *) in_ports.elts;
+            in_port = in_ports.elts;
             for (p = 0; p < in_ports.nelts; p++) {
 
                 if (lscf[l].port == in_port[p].port) {
@@ -248,7 +248,7 @@ static char *ngx_http_block(ngx_conf_t *
                     port_found = 1;
                     addr_found = 0;
 
-                    in_addr = (ngx_http_in_addr_t *) in_port[p].addrs.elts;
+                    in_addr = in_port[p].addrs.elts;
                     for (a = 0; a < in_port[p].addrs.nelts; a++) {
 
                         if (lscf[l].addr == in_addr[a].addr) {
@@ -256,8 +256,7 @@ static char *ngx_http_block(ngx_conf_t *
                             /* the address is already bound to this port */
 
                             /* "server_name" directives */
-                            s_name = (ngx_http_server_name_t *)
-                                                    cscfp[s]->server_names.elts;
+                            s_name = cscfp[s]->server_names.elts;
                             for (n = 0; n < cscfp[s]->server_names.nelts; n++) {
 
                                 /* add the server name and server core module
@@ -394,17 +393,17 @@ static char *ngx_http_block(ngx_conf_t *
 
     /* AF_INET only */
 
-    in_port = (ngx_http_in_port_t *) in_ports.elts;
+    in_port = in_ports.elts;
     for (p = 0; p < in_ports.nelts; p++) {
 
         /* check whether the all server names point to the same server */
 
-        in_addr = (ngx_http_in_addr_t *) in_port[p].addrs.elts;
+        in_addr = in_port[p].addrs.elts;
         for (a = 0; a < in_port[p].addrs.nelts; a++) {
 
             virtual_names = 0;
 
-            name = (ngx_http_server_name_t *) in_addr[a].names.elts;
+            name = in_addr[a].names.elts;
             for (n = 0; n < in_addr[a].names.nelts; n++) {
                 if (in_addr[a].core_srv_conf != name[n].core_srv_conf) {
                     virtual_names = 1;
@@ -430,7 +429,7 @@ static char *ngx_http_block(ngx_conf_t *
             a = 0;
         }
 
-        in_addr = (ngx_http_in_addr_t *) in_port[p].addrs.elts;
+        in_addr = in_port[p].addrs.elts;
         while (a < in_port[p].addrs.nelts) {
 
             ngx_test_null(ls, ngx_push_array(&ngx_listening_sockets),
@@ -443,7 +442,7 @@ static char *ngx_http_block(ngx_conf_t *
 
             addr_in->sin_family = AF_INET;
             addr_in->sin_addr.s_addr = in_addr[a].addr;
-            addr_in->sin_port = htons(in_port[p].port);
+            addr_in->sin_port = htons((u_short) in_port[p].port);
 
             ngx_test_null(ls->addr_text.data,
                           ngx_palloc(cf->pool, INET_ADDRSTRLEN + 6),
@@ -478,7 +477,7 @@ static char *ngx_http_block(ngx_conf_t *
 
             if (in_port[p].addrs.nelts > 1) {
 
-                in_addr = (ngx_http_in_addr_t *) in_port[p].addrs.elts;
+                in_addr = in_port[p].addrs.elts;
                 if (in_addr[in_port[p].addrs.nelts - 1].addr != INADDR_ANY) {
 
                     /* if this port has not the "*:port" binding then create
@@ -523,14 +522,19 @@ static char *ngx_http_block(ngx_conf_t *
     }
 
     /* DEBUG STUFF */
-    in_port = (ngx_http_in_port_t *) in_ports.elts;
+    in_port = in_ports.elts;
     for (p = 0; p < in_ports.nelts; p++) {
 ngx_log_debug(cf->log, "port: %d" _ in_port[p].port);
-        in_addr = (ngx_http_in_addr_t *) in_port[p].addrs.elts;
+        in_addr = in_port[p].addrs.elts;
         for (a = 0; a < in_port[p].addrs.nelts; a++) {
             char ip[20];
             ngx_inet_ntop(AF_INET, (char *) &in_addr[a].addr, ip, 20);
 ngx_log_debug(cf->log, "%s %08x" _ ip _ in_addr[a].core_srv_conf);
+            s_name = in_addr[a].names.elts;
+            for (n = 0; n < in_addr[a].names.nelts; n++) {
+ngx_log_debug(cf->log, "%s %08x" _ s_name[n].name.data _
+              s_name[n].core_srv_conf);
+            }
         }
     }
     /**/
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -32,6 +32,7 @@ static int ngx_cmp_locations(const void 
 static char *ngx_location_block(ngx_conf_t *cf, ngx_command_t *cmd,
                                                                   void *dummy);
 static char *ngx_types_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
+static char *ngx_set_type(ngx_conf_t *cf, ngx_command_t *dummy, void *conf);
 static char *ngx_set_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
 static char *ngx_set_server_name(ngx_conf_t *cf, ngx_command_t *cmd,
                                                                    void *conf);
@@ -103,7 +104,7 @@ static ngx_command_t  ngx_http_core_comm
      NULL},
 
     {ngx_string("server_name"),
-     NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_ANY,
+     NGX_HTTP_SRV_CONF|NGX_CONF_ANY1,
      ngx_set_server_name,
      NGX_HTTP_SRV_CONF_OFFSET,
      0,
@@ -281,8 +282,6 @@ int ngx_http_core_translate_handler(ngx_
     char                       *location, *last;
     ngx_err_t                   err;
     ngx_table_elt_t            *h;
-    ngx_http_in_port_t         *in_port;
-    ngx_http_server_name_t     *s_name;
     ngx_http_core_srv_conf_t   *cscf;
     ngx_http_core_loc_conf_t   *clcf;
 
@@ -669,9 +668,24 @@ static char *ngx_location_block(ngx_conf
 }
 
 
-static char *ngx_set_type(ngx_conf_t *cf, ngx_command_t *dummy, char *conf)
+static char *ngx_types_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
 {
-    ngx_http_core_loc_conf_t *lcf = (ngx_http_core_loc_conf_t *) conf;
+    char        *rv;
+    ngx_conf_t   pcf;
+
+    pcf = *cf;
+    cf->handler = ngx_set_type;
+    cf->handler_conf = conf;
+    rv = ngx_conf_parse(cf, NULL);
+    *cf = pcf;
+
+    return rv;
+}
+
+
+static char *ngx_set_type(ngx_conf_t *cf, ngx_command_t *dummy, void *conf)
+{
+    ngx_http_core_loc_conf_t *lcf = conf;
 
     int               i, key;
     ngx_str_t        *args;
@@ -705,21 +719,6 @@ static char *ngx_set_type(ngx_conf_t *cf
 }
 
 
-static char *ngx_types_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
-{
-    char        *rv;
-    ngx_conf_t   pcf;
-
-    pcf = *cf;
-    cf->handler = ngx_set_type;
-    cf->handler_conf = conf;
-    rv = ngx_conf_parse(cf, NULL);
-    *cf = pcf;
-
-    return rv;
-}
-
-
 static void *ngx_http_core_create_main_conf(ngx_pool_t *pool)
 {
     ngx_http_core_main_conf_t *cmcf;
@@ -775,9 +774,10 @@ static void *ngx_http_core_create_srv_co
 static char *ngx_http_core_merge_srv_conf(ngx_pool_t *pool,
                                           void *parent, void *child)
 {
-    ngx_http_core_srv_conf_t *prev = (ngx_http_core_srv_conf_t *) parent;
-    ngx_http_core_srv_conf_t *conf = (ngx_http_core_srv_conf_t *) child;
+    ngx_http_core_srv_conf_t *prev = parent;
+    ngx_http_core_srv_conf_t *conf = child;
 
+    int                       len;
     ngx_err_t                 err;
     ngx_http_listen_t        *l;
     ngx_http_server_name_t   *n;
@@ -798,9 +798,12 @@ static char *ngx_http_core_merge_srv_con
 
         if (gethostname(n->name.data, NGX_MAXHOSTNAMELEN) == -1) {
             err = ngx_errno;
-            ngx_snprintf(ngx_conf_errstr, sizeof(ngx_conf_errstr) - 1,
-                         "gethostname() failed (%d: %s)",
-                         err, ngx_strerror(err));
+            len = ngx_snprintf(ngx_conf_errstr, sizeof(ngx_conf_errstr) - 1,
+                               "gethostname() failed (%d: ", err);
+            len += ngx_strerror_r(err, ngx_conf_errstr + len,
+                                  sizeof(ngx_conf_errstr) - len - 1);
+            ngx_conf_errstr[len++] = ')';
+            ngx_conf_errstr[len++] = '\0';
             return ngx_conf_errstr;
         }
 
@@ -862,8 +865,8 @@ static ngx_http_type_t default_types[] =
 static char *ngx_http_core_merge_loc_conf(ngx_pool_t *pool,
                                           void *parent, void *child)
 {
-    ngx_http_core_loc_conf_t *prev = (ngx_http_core_loc_conf_t *) parent;
-    ngx_http_core_loc_conf_t *conf = (ngx_http_core_loc_conf_t *) child;
+    ngx_http_core_loc_conf_t *prev = parent;
+    ngx_http_core_loc_conf_t *conf = child;
 
     int               i, key;
     ngx_http_type_t  *t;
@@ -919,7 +922,7 @@ static char *ngx_http_core_merge_loc_con
 
 static char *ngx_set_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
 {
-    ngx_http_core_srv_conf_t *scf = (ngx_http_core_srv_conf_t *) conf;
+    ngx_http_core_srv_conf_t *scf = conf;
 
     char               *addr;
     u_int               p;
@@ -963,11 +966,11 @@ static char *ngx_set_listen(ngx_conf_t *
     } else if ((ls->port == NGX_ERROR && p != 0) /* "listen host:NONNUMBER" */
                || (ls->port < 1 || ls->port > 65536)) { /* "listen 99999" */
 
-         ngx_snprintf(ngx_conf_errstr, sizeof(ngx_conf_errstr) - 1,
-                      "invalid port \"%s\", "
-                      "it must be a number between 1 and 65535",
-                      &addr[p]);
-         return ngx_conf_errstr;
+        ngx_snprintf(ngx_conf_errstr, sizeof(ngx_conf_errstr) - 1,
+                     "invalid port \"%s\", "
+                     "it must be a number between 1 and 65535",
+                     &addr[p]);
+        return ngx_conf_errstr;
 
     } else if (p == 0) {
         ls->addr = INADDR_ANY;
@@ -993,21 +996,30 @@ static char *ngx_set_listen(ngx_conf_t *
 
 static char *ngx_set_server_name(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
 {
-    ngx_http_core_srv_conf_t *scf = (ngx_http_core_srv_conf_t *) conf;
+    ngx_http_core_srv_conf_t *scf = conf;
 
-    ngx_str_t               *args;
+    int                      i;
+    ngx_str_t               *value;
     ngx_http_server_name_t  *sn;
 
     /* TODO: several names */
     /* TODO: warn about duplicate 'server_name' directives */
 
-    ngx_test_null(sn, ngx_push_array(&scf->server_names), NGX_CONF_ERROR);
-
-    args = cf->args->elts;
+    value = cf->args->elts;
 
-    sn->name.len = args[1].len;
-    sn->name.data = args[1].data;
-    sn->core_srv_conf = scf;
+    for (i = 1; i < cf->args->nelts; i++) {
+        if (value[i].len == 0) {
+            ngx_snprintf(ngx_conf_errstr, sizeof(ngx_conf_errstr) - 1,
+                         "server name \"%s\" is invalid", value[i].data);
+            return ngx_conf_errstr;
+        }
+
+        ngx_test_null(sn, ngx_push_array(&scf->server_names), NGX_CONF_ERROR);
+
+        sn->name.len = value[i].len;
+        sn->name.data = value[i].data;
+        sn->core_srv_conf = scf;
+    }
 
     return NGX_CONF_OK;
 }
--- a/src/http/ngx_http_header_filter.c
+++ b/src/http/ngx_http_header_filter.c
@@ -1,16 +1,10 @@
+
+#include <ngx_config.h>
+#include <ngx_core.h>
 
 #include <nginx.h>
 
-#include <ngx_config.h>
-
-#include <ngx_core.h>
-#include <ngx_string.h>
-#include <ngx_table.h>
-#include <ngx_hunk.h>
-#include <ngx_conf_file.h>
-
 #include <ngx_http.h>
-#include <ngx_http_config.h>
 #include <ngx_http_write_filter.h>
 
 
--- a/src/http/ngx_http_output_filter.c
+++ b/src/http/ngx_http_output_filter.c
@@ -119,7 +119,7 @@ int ngx_http_output_filter(ngx_http_requ
             if (hunk->type & NGX_HUNK_IN_MEMORY) {
                 size = hunk->last - hunk->pos;
             } else {
-                size = hunk->file_last - hunk->file_pos;
+                size = (size_t) (hunk->file_last - hunk->file_pos);
             }
 
             if (size > conf->hunk_size) {
@@ -201,8 +201,8 @@ int ngx_http_output_filter(ngx_http_requ
                 size = ctx->incoming->hunk->last - ctx->incoming->hunk->pos;
 
             } else {
-                size = ctx->incoming->hunk->file_last
-                                               - ctx->incoming->hunk->file_pos;
+                size = (size_t) (ctx->incoming->hunk->file_last
+                                              - ctx->incoming->hunk->file_pos);
             }
 
             /* delete the completed hunk from the incoming chain */
@@ -241,7 +241,7 @@ static int ngx_http_output_filter_copy_h
     if (src->type & NGX_HUNK_IN_MEMORY) {
         size = src->last - src->pos;
     } else {
-        size = src->file_last - src->file_pos;
+        size = (size_t) (src->file_last - src->file_pos);
     }
 
     if (size > (dst->end - dst->pos)) {
--- a/src/http/ngx_http_special_response.c
+++ b/src/http/ngx_http_special_response.c
@@ -1,9 +1,9 @@
+
+#include <ngx_config.h>
+#include <ngx_core.h>
 
 #include <nginx.h>
 
-#include <ngx_config.h>
-#include <ngx_core.h>
-#include <ngx_string.h>
 #include <ngx_http.h>
 #include <ngx_http_output_filter.h>
 
--- a/src/os/unix/ngx_errno.h
+++ b/src/os/unix/ngx_errno.h
@@ -24,7 +24,9 @@ typedef int               ngx_err_t;
 #define ngx_socket_errno           errno
 #define ngx_set_socket_errno(err)  errno = err
 
+#if 0
 #define ngx_strerror(err)          strerror(err)
+#endif
 
 #define ngx_strerror_r(err, errstr, size)  \
              ngx_cpystrn(errstr, strerror(err), size) - (errstr)
--- a/src/os/win32/ngx_errno.c
+++ b/src/os/win32/ngx_errno.c
@@ -1,13 +1,13 @@
 
 /*
    TODO:
-     add WSA error messages
+     add WSA error messages for NT and 98
      test for English only messages
 */
 
 #include <ngx_config.h>
-#include <ngx_string.h>
-#include <ngx_errno.h>
+#include <ngx_core.h>
+
 
 int ngx_strerror_r(ngx_err_t err, char *errstr, size_t size)
 {
--- a/src/os/win32/ngx_files.h
+++ b/src/os/win32/ngx_files.h
@@ -53,8 +53,8 @@
 int ngx_file_type(char *filename, ngx_file_info_t *fi);
 #define ngx_file_type_n             "GetFileAttributes"
 
-#define ngx_stat_fd(fd, fi)        GetFileInformationByHandle(fd, fi)
-#define ngx_stat_fd_n              "GetFileInformationByHandle"
+#define ngx_stat_fd(fd, fi)         GetFileInformationByHandle(fd, fi)
+#define ngx_stat_fd_n               "GetFileInformationByHandle"
 
 #define ngx_is_dir(fi)      (fi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 #define ngx_is_file(fi)     !(fi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
@@ -73,7 +73,10 @@ int ngx_file_type(char *filename, ngx_fi
 
 
 ssize_t ngx_read_file(ngx_file_t *file, char *buf, size_t size, off_t offset);
-#define ngx_read_file_n            "ReadFile()"
+#define ngx_read_file_n             "ReadFile()"
+
+
+#define STDERR_FILENO               (HANDLE) 2
 
 
 #endif /* _NGX_FILES_H_INCLUDED_ */