bugfix: fixed compilation errors in gcc and etc when nginx is built without --with-debug. thanks Mathew Heard for the report in #7.

Author: agentzh

src/ngx_stream_lua_output.c

@@ -555,7 +555,6 @@ ngx_stream_lua_ngx_flush(lua_State *L)
 static int
 ngx_stream_lua_ngx_eof(lua_State *L)
 {
-    ngx_connection_t          *c;
     ngx_stream_session_t      *s;
     ngx_stream_lua_ctx_t      *ctx;
 
@@ -591,9 +590,7 @@ ngx_stream_lua_ngx_eof(lua_State *L)
 
     ngx_stream_lua_check_context(L, ctx, NGX_STREAM_LUA_CONTEXT_CONTENT);
 
-    c = s->connection;
-
-    ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0,
+    ngx_log_debug0(NGX_LOG_DEBUG_STREAM, s->connection->log, 0,
                    "stream lua send eof");
 
     lua_pushinteger(L, 1);

src/ngx_stream_lua_sleep.c

@@ -83,15 +83,13 @@ ngx_stream_lua_ngx_sleep(lua_State *L)
 void
 ngx_stream_lua_sleep_handler(ngx_event_t *ev)
 {
-    ngx_connection_t          *c;
     ngx_stream_session_t      *s;
     ngx_stream_lua_ctx_t      *ctx;
     ngx_stream_lua_co_ctx_t   *coctx;
 
     coctx = ev->data;
 
     s = coctx->data;
-    c = s->connection;
 
     ctx = ngx_stream_get_module_ctx(s, ngx_stream_lua_module);
 
@@ -101,7 +99,7 @@ ngx_stream_lua_sleep_handler(ngx_event_t *ev)
 
     coctx->cleanup = NULL;
 
-    ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0,
+    ngx_log_debug0(NGX_LOG_DEBUG_STREAM, s->connection->log, 0,
                    "stream lua sleep timer expired");
 
     ctx->cur_co_ctx = coctx;

src/ngx_stream_lua_socket_tcp.c

@@ -759,7 +759,6 @@ static void
 ngx_stream_lua_socket_resolve_handler(ngx_resolver_ctx_t *ctx)
 {
     ngx_stream_session_t                    *s;
-    ngx_connection_t                        *c;
     ngx_stream_lua_resolved_t               *ur;
     ngx_stream_lua_ctx_t                    *lctx;
     lua_State                               *L;
@@ -777,10 +776,9 @@ ngx_stream_lua_socket_resolve_handler(ngx_resolver_ctx_t *ctx)
 
     u = ctx->data;
     s = u->request;
-    c = s->connection;
     ur = u->resolved;
 
-    ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0,
+    ngx_log_debug0(NGX_LOG_DEBUG_STREAM, s->connection->log, 0,
                    "stream lua tcp socket resolve handler");
 
     lctx = ngx_stream_get_module_ctx(s, ngx_stream_lua_module);
@@ -797,7 +795,7 @@ ngx_stream_lua_socket_resolve_handler(ngx_resolver_ctx_t *ctx)
     waiting = u->conn_waiting;
 
     if (ctx->state) {
-        ngx_log_debug2(NGX_LOG_DEBUG_STREAM, c->log, 0,
+        ngx_log_debug2(NGX_LOG_DEBUG_STREAM, s->connection->log, 0,
                        "stream lua tcp socket resolver error: %s "
                        "(connect waiting: %d)",
                        ngx_resolver_strerror(ctx->state), (int) waiting);

src/ngx_stream_lua_socket_udp.c

@@ -417,7 +417,6 @@ static void
 ngx_stream_lua_socket_resolve_handler(ngx_resolver_ctx_t *ctx)
 {
     ngx_stream_session_t                *s;
-    ngx_connection_t                    *c;
     ngx_stream_lua_resolved_t           *ur;
     ngx_stream_lua_ctx_t                *lctx;
     lua_State                           *L;
@@ -436,10 +435,9 @@ ngx_stream_lua_socket_resolve_handler(ngx_resolver_ctx_t *ctx)
 
     u = ctx->data;
     s = u->session;
-    c = s->connection;
     ur = u->resolved;
 
-    ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0,
+    ngx_log_debug0(NGX_LOG_DEBUG_STREAM, s->connection->log, 0,
                    "stream lua udp socket resolve handler");
 
     lctx = ngx_stream_get_module_ctx(s, ngx_stream_lua_module);
@@ -458,7 +456,7 @@ ngx_stream_lua_socket_resolve_handler(ngx_resolver_ctx_t *ctx)
     waiting = u->waiting;
 
     if (ctx->state) {
-        ngx_log_debug2(NGX_LOG_DEBUG_STREAM, c->log, 0,
+        ngx_log_debug2(NGX_LOG_DEBUG_STREAM, s->connection->log, 0,
                        "stream lua udp socket resolver error: %s (waiting: %d)",
                        ngx_resolver_strerror(ctx->state), (int) u->waiting);