use pool instead of ngx_conf_t
diff --git a/src/core/ngx_inet.c b/src/core/ngx_inet.c
index 31094ba..5595d7c 100644
--- a/src/core/ngx_inet.c
+++ b/src/core/ngx_inet.c
@@ -225,7 +225,7 @@
 
 
 ngx_int_t
-ngx_parse_url(ngx_conf_t *cf, ngx_url_t *u)
+ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u)
 {
     u_char              *p, *host, *port_start;
     size_t               len, port_len;
@@ -273,12 +273,12 @@
             return NGX_ERROR;
         }
 
-        u->addrs = ngx_pcalloc(cf->pool, sizeof(ngx_peer_addr_t));
+        u->addrs = ngx_pcalloc(pool, sizeof(ngx_peer_addr_t));
         if (u->addrs == NULL) {
             return NGX_ERROR;
         }
 
-        saun = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_un));
+        saun = ngx_pcalloc(pool, sizeof(struct sockaddr_un));
         if (saun == NULL) {
             return NGX_ERROR;
         }
@@ -408,12 +408,12 @@
 
         if (u->host.len) {
 
-           host = ngx_palloc(cf->temp_pool, u->host.len + 1);
-           if (host == NULL) {
-               return NGX_ERROR;
-           }
+            host = ngx_alloc(u->host.len + 1, pool->log);
+            if (host == NULL) {
+                return NGX_ERROR;
+            }
 
-           (void) ngx_cpystrn(host, u->host.data, u->host.len + 1);
+            (void) ngx_cpystrn(host, u->host.data, u->host.len + 1);
 
             u->addr.in_addr = inet_addr((const char *) host);
 
@@ -421,6 +421,7 @@
                 h = gethostbyname((const char *) host);
 
                 if (h == NULL || h->h_addr_list[0] == NULL) {
+                    ngx_free(host);
                     u->err = "host not found";
                     return NGX_ERROR;
                 }
@@ -428,6 +429,8 @@
                 u->addr.in_addr = *(in_addr_t *) (h->h_addr_list[0]);
             }
 
+            ngx_free(host);
+
         } else {
             u->addr.in_addr = INADDR_ANY;
         }
@@ -453,7 +456,7 @@
         return NGX_ERROR;
     }
 
-    if (ngx_inet_resolve_host(cf, u) != NGX_OK) {
+    if (ngx_inet_resolve_host(pool, u) != NGX_OK) {
         return NGX_ERROR;
     }
 
@@ -462,7 +465,7 @@
 
 
 ngx_int_t
-ngx_inet_resolve_host(ngx_conf_t *cf, ngx_url_t *u)
+ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u)
 {
     u_char              *p, *host;
     size_t               len;
@@ -471,7 +474,7 @@
     struct hostent      *h;
     struct sockaddr_in  *sin;
 
-    host = ngx_palloc(cf->temp_pool, u->host.len + 1);
+    host = ngx_alloc(u->host.len + 1, pool->log);
     if (host == NULL) {
         return NGX_ERROR;
     }
@@ -485,6 +488,8 @@
     if (in_addr == INADDR_NONE) {
         h = gethostbyname((char *) host);
 
+        ngx_free(host);
+
         if (h == NULL || h->h_addr_list[0] == NULL) {
             u->err = "host not found";
             return NGX_ERROR;
@@ -499,7 +504,7 @@
 
         /* MP: ngx_shared_palloc() */
 
-        u->addrs = ngx_pcalloc(cf->pool, i * sizeof(ngx_peer_addr_t));
+        u->addrs = ngx_pcalloc(pool, i * sizeof(ngx_peer_addr_t));
         if (u->addrs == NULL) {
             return NGX_ERROR;
         }
@@ -508,7 +513,7 @@
 
         for (i = 0; h->h_addr_list[i] != NULL; i++) {
 
-            sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in));
+            sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));
             if (sin == NULL) {
                 return NGX_ERROR;
             }
@@ -522,7 +527,7 @@
 
             len = INET_ADDRSTRLEN - 1 + 1 + sizeof(":65536") - 1;
 
-            p = ngx_palloc(cf->pool, len);
+            p = ngx_palloc(pool, len);
             if (p == NULL) {
                 return NGX_ERROR;
             }
@@ -535,14 +540,16 @@
 
     } else {
 
+        ngx_free(host);
+
         /* MP: ngx_shared_palloc() */
 
-        u->addrs = ngx_pcalloc(cf->pool, sizeof(ngx_peer_addr_t));
+        u->addrs = ngx_pcalloc(pool, sizeof(ngx_peer_addr_t));
         if (u->addrs == NULL) {
             return NGX_ERROR;
         }
 
-        sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in));
+        sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));
         if (sin == NULL) {
             return NGX_ERROR;
         }
@@ -556,7 +563,7 @@
         u->addrs[0].sockaddr = (struct sockaddr *) sin;
         u->addrs[0].socklen = sizeof(struct sockaddr_in);
 
-        p = ngx_palloc(cf->pool, u->host.len + sizeof(":65536") - 1);
+        p = ngx_palloc(pool, u->host.len + sizeof(":65536") - 1);
         if (p == NULL) {
             return NGX_ERROR;
         }
diff --git a/src/core/ngx_inet.h b/src/core/ngx_inet.h
index 9079e37..a3d624e 100644
--- a/src/core/ngx_inet.h
+++ b/src/core/ngx_inet.h
@@ -61,8 +61,8 @@
 size_t ngx_sock_ntop(int family, struct sockaddr *sa, u_char *text, size_t len);
 size_t ngx_inet_ntop(int family, void *addr, u_char *text, size_t len);
 ngx_int_t ngx_ptocidr(ngx_str_t *text, void *cidr);
-ngx_int_t ngx_parse_url(ngx_conf_t *cf, ngx_url_t *u);
-ngx_int_t ngx_inet_resolve_host(ngx_conf_t *cf, ngx_url_t *u);
+ngx_int_t ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u);
+ngx_int_t ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u);
 
 
 
diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
index a99fbca..462393b 100644
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -2607,7 +2607,7 @@
     u.listen = 1;
     u.default_port = 80;
 
-    if (ngx_parse_url(cf, &u) != NGX_OK) {
+    if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
         if (u.err) {
             ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                                "%s in \"%V\" of the \"listen\" directive",
diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index 88cae8f..88b0084 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -3065,7 +3065,7 @@
     u.url = value[1];
     u.default_port = 80;
 
-    if (ngx_parse_url(cf, &u) != NGX_OK) {
+    if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
         if (u.err) {
             ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                                "%s in upstream \"%V\"", u.err, &u.url);
@@ -3180,7 +3180,7 @@
 
     if (!(flags & NGX_HTTP_UPSTREAM_CREATE)) {
 
-        if (ngx_parse_url(cf, u) != NGX_OK) {
+        if (ngx_parse_url(cf->pool, u) != NGX_OK) {
             if (u->err) {
                 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                                    "%s in upstream \"%V\"", u->err, &u->url);
diff --git a/src/http/ngx_http_upstream_round_robin.c b/src/http/ngx_http_upstream_round_robin.c
index 5caf060..a2b269d 100644
--- a/src/http/ngx_http_upstream_round_robin.c
+++ b/src/http/ngx_http_upstream_round_robin.c
@@ -145,7 +145,7 @@
     u.host = us->host;
     u.port = (in_port_t) (us->port ? us->port : us->default_port);
 
-    if (ngx_inet_resolve_host(cf, &u) != NGX_OK) {
+    if (ngx_inet_resolve_host(cf->pool, &u) != NGX_OK) {
         if (u.err) {
             ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
                           "%s in upstream \"%V\" in %s:%ui",
diff --git a/src/mail/ngx_mail_auth_http_module.c b/src/mail/ngx_mail_auth_http_module.c
index 9e74e6a..0bde162 100644
--- a/src/mail/ngx_mail_auth_http_module.c
+++ b/src/mail/ngx_mail_auth_http_module.c
@@ -1368,7 +1368,7 @@
         u.url.data += 7;
     }
 
-    if (ngx_parse_url(cf, &u) != NGX_OK) {
+    if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
         if (u.err) {
             ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                                "%s in auth_http \"%V\"", u.err, &u.url);
diff --git a/src/mail/ngx_mail_core_module.c b/src/mail/ngx_mail_core_module.c
index 9652330..4f13703 100644
--- a/src/mail/ngx_mail_core_module.c
+++ b/src/mail/ngx_mail_core_module.c
@@ -285,7 +285,7 @@
     u.url = value[1];
     u.listen = 1;
 
-    if (ngx_parse_url(cf, &u) != NGX_OK) {
+    if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
         if (u.err) {
             ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                                "%s in \"%V\" of the \"listen\" directive",
diff --git a/src/mysql/ngx_http_mysql_test.c b/src/mysql/ngx_http_mysql_test.c
index f809326..7892743 100644
--- a/src/mysql/ngx_http_mysql_test.c
+++ b/src/mysql/ngx_http_mysql_test.c
@@ -187,7 +187,7 @@
     u.url = value[1];
     u.default_port = 3306;
 
-    if (ngx_parse_url(cf, &u) != NGX_OK) {
+    if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
         if (u.err) {
             ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                                "%s in upstream \"%V\"", u.err, &u.url);