style fix: remove tabs and trailing spaces

2 files changed, 634 insertions, 634 deletions

diff --git a/conf/uwsgi_params b/conf/uwsgi_params
index 7cc9c351e..b57e8e78e 100644
--- a/conf/uwsgi_params
+++ b/conf/uwsgi_params
@@ -5,7 +5,7 @@ uwsgi_param  CONTENT_TYPE       $content_type;
 uwsgi_param  CONTENT_LENGTH     $content_length;
 
 uwsgi_param  REQUEST_URI        $request_uri;
-uwsgi_param  PATH_INFO		$document_uri;
+uwsgi_param  PATH_INFO          $document_uri;
 uwsgi_param  DOCUMENT_ROOT      $document_root;
 uwsgi_param  SERVER_PROTOCOL    $server_protocol;
 
diff --git a/src/http/modules/ngx_http_uwsgi_module.c b/src/http/modules/ngx_http_uwsgi_module.c
index d94b1abe0..4ac43692e 100644
--- a/src/http/modules/ngx_http_uwsgi_module.c
+++ b/src/http/modules/ngx_http_uwsgi_module.c
@@ -48,7 +48,7 @@ typedef struct {
     ngx_array_t *uwsgi_lengths;
     ngx_array_t *uwsgi_values;
 
-    ngx_str_t	uwsgi_string ;
+    ngx_str_t        uwsgi_string ;
 
     u_char modifier1;
     u_char modifier2;
@@ -75,32 +75,32 @@ uwsgi_swap16 (uint16_t x)
 
 
 static ngx_int_t ngx_http_uwsgi_eval (ngx_http_request_t * r,
-				      ngx_http_uwsgi_loc_conf_t * uwcf);
+                                      ngx_http_uwsgi_loc_conf_t * uwcf);
 static ngx_int_t ngx_http_uwsgi_create_request (ngx_http_request_t * r);
 static ngx_int_t ngx_http_uwsgi_reinit_request (ngx_http_request_t * r);
 static ngx_int_t ngx_http_uwsgi_process_status_line (ngx_http_request_t * r);
 static ngx_int_t ngx_http_uwsgi_parse_status_line (ngx_http_request_t * r,
-						   ngx_http_uwsgi_ctx_t *
-						   ctx);
+                                                   ngx_http_uwsgi_ctx_t *
+                                                   ctx);
 static ngx_int_t ngx_http_uwsgi_process_header (ngx_http_request_t * r);
 static ngx_int_t ngx_http_uwsgi_process_header (ngx_http_request_t * r);
 static void ngx_http_uwsgi_abort_request (ngx_http_request_t * r);
 static void ngx_http_uwsgi_finalize_request (ngx_http_request_t * r,
-					     ngx_int_t rc);
+                                             ngx_int_t rc);
 
 static char *ngx_http_uwsgi_modifier1 (ngx_conf_t * cf, ngx_command_t * cmd,
-				       void *conf);
+                                       void *conf);
 
 static char *ngx_http_uwsgi_modifier2 (ngx_conf_t * cf, ngx_command_t * cmd,
-				       void *conf);
+                                       void *conf);
 
 static ngx_int_t ngx_http_uwsgi_add_variables (ngx_conf_t * cf);
 static void *ngx_http_uwsgi_create_loc_conf (ngx_conf_t * cf);
 static char *ngx_http_uwsgi_merge_loc_conf (ngx_conf_t * cf,
-					    void *parent, void *child);
+                                            void *parent, void *child);
 
 static char *ngx_http_uwsgi_pass (ngx_conf_t * cf, ngx_command_t * cmd,
-				  void *conf);
+                                  void *conf);
 
 
 static ngx_conf_bitmask_t ngx_http_uwsgi_next_upstream_masks[] = {
@@ -310,32 +310,32 @@ static ngx_command_t ngx_http_uwsgi_commands[] = {
 
 
 static ngx_http_module_t ngx_http_uwsgi_module_ctx = {
-    ngx_http_uwsgi_add_variables,	/* preconfiguration */
-    NULL,			/* postconfiguration */
+    ngx_http_uwsgi_add_variables,        /* preconfiguration */
+    NULL,                        /* postconfiguration */
 
-    NULL,			/* create main configuration */
-    NULL,			/* init main configuration */
+    NULL,                        /* create main configuration */
+    NULL,                        /* init main configuration */
 
-    NULL,			/* create server configuration */
-    NULL,			/* merge server configuration */
+    NULL,                        /* create server configuration */
+    NULL,                        /* merge server configuration */
 
-    ngx_http_uwsgi_create_loc_conf,	/* create location configuration */
-    ngx_http_uwsgi_merge_loc_conf	/* merge location configuration */
+    ngx_http_uwsgi_create_loc_conf,        /* create location configuration */
+    ngx_http_uwsgi_merge_loc_conf        /* merge location configuration */
 };
 
 
 ngx_module_t ngx_http_uwsgi_module = {
     NGX_MODULE_V1,
-    &ngx_http_uwsgi_module_ctx,	/* module context */
-    ngx_http_uwsgi_commands,	/* module directives */
-    NGX_HTTP_MODULE,		/* module type */
-    NULL,			/* init master */
-    NULL,			/* init module */
-    NULL,			/* init process */
-    NULL,			/* init thread */
-    NULL,			/* exit thread */
-    NULL,			/* exit process */
-    NULL,			/* exit master */
+    &ngx_http_uwsgi_module_ctx,        /* module context */
+    ngx_http_uwsgi_commands,        /* module directives */
+    NGX_HTTP_MODULE,                /* module type */
+    NULL,                        /* init master */
+    NULL,                        /* init module */
+    NULL,                        /* init process */
+    NULL,                        /* init thread */
+    NULL,                        /* exit thread */
+    NULL,                        /* exit process */
+    NULL,                        /* exit master */
     NGX_MODULE_V1_PADDING
 };
 
@@ -371,19 +371,19 @@ ngx_http_uwsgi_handler (ngx_http_request_t * r)
     ngx_http_uwsgi_loc_conf_t *uwcf;
 
     if (r->subrequest_in_memory) {
-	ngx_log_error (NGX_LOG_ALERT, r->connection->log, 0,
-		       "ngx_http_uwsgi_module does not support "
-		       "subrequest in memory");
-	return NGX_HTTP_INTERNAL_SERVER_ERROR;
+        ngx_log_error (NGX_LOG_ALERT, r->connection->log, 0,
+                       "ngx_http_uwsgi_module does not support "
+                       "subrequest in memory");
+        return NGX_HTTP_INTERNAL_SERVER_ERROR;
     }
 
     if (ngx_http_upstream_create (r) != NGX_OK) {
-	return NGX_HTTP_INTERNAL_SERVER_ERROR;
+        return NGX_HTTP_INTERNAL_SERVER_ERROR;
     }
 
     f = ngx_pcalloc (r->pool, sizeof (ngx_http_uwsgi_ctx_t));
     if (f == NULL) {
-	return NGX_HTTP_INTERNAL_SERVER_ERROR;
+        return NGX_HTTP_INTERNAL_SERVER_ERROR;
     }
 
     ngx_http_set_ctx (r, f, ngx_http_uwsgi_module);
@@ -391,9 +391,9 @@ ngx_http_uwsgi_handler (ngx_http_request_t * r)
     uwcf = ngx_http_get_module_loc_conf (r, ngx_http_uwsgi_module);
 
     if (uwcf->uwsgi_lengths) {
-	if (ngx_http_uwsgi_eval (r, uwcf) != NGX_OK) {
-	    return NGX_HTTP_INTERNAL_SERVER_ERROR;
-	}
+        if (ngx_http_uwsgi_eval (r, uwcf) != NGX_OK) {
+            return NGX_HTTP_INTERNAL_SERVER_ERROR;
+        }
     }
 
     u = r->upstream;
@@ -415,7 +415,7 @@ ngx_http_uwsgi_handler (ngx_http_request_t * r)
 
     u->pipe = ngx_pcalloc (r->pool, sizeof (ngx_event_pipe_t));
     if (u->pipe == NULL) {
-	return NGX_HTTP_INTERNAL_SERVER_ERROR;
+        return NGX_HTTP_INTERNAL_SERVER_ERROR;
     }
 
     u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
@@ -424,7 +424,7 @@ ngx_http_uwsgi_handler (ngx_http_request_t * r)
     rc = ngx_http_read_client_request_body (r, ngx_http_upstream_init);
 
     if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
-	return rc;
+        return rc;
     }
 
     return NGX_DONE;
@@ -439,44 +439,44 @@ ngx_http_uwsgi_eval (ngx_http_request_t * r, ngx_http_uwsgi_loc_conf_t * uwcf)
     ngx_memzero (&u, sizeof (ngx_url_t));
 
     if (ngx_http_script_run (r, &u.url, uwcf->uwsgi_lengths->elts, 0,
-			     uwcf->uwsgi_values->elts) == NULL) {
-	return NGX_ERROR;
+                             uwcf->uwsgi_values->elts) == NULL) {
+        return NGX_ERROR;
     }
 
     u.no_resolve = 1;
 
     if (ngx_parse_url (r->pool, &u) != NGX_OK) {
-	if (u.err) {
-	    ngx_log_error (NGX_LOG_ERR, r->connection->log, 0,
-			   "%s in upstream \"%V\"", u.err, &u.url);
-	}
+        if (u.err) {
+            ngx_log_error (NGX_LOG_ERR, r->connection->log, 0,
+                           "%s in upstream \"%V\"", u.err, &u.url);
+        }
 
-	return NGX_ERROR;
+        return NGX_ERROR;
     }
 
     if (u.no_port) {
-	ngx_log_error (NGX_LOG_ERR, r->connection->log, 0,
-		       "no port in upstream \"%V\"", &u.url);
-	return NGX_ERROR;
+        ngx_log_error (NGX_LOG_ERR, r->connection->log, 0,
+                       "no port in upstream \"%V\"", &u.url);
+        return NGX_ERROR;
     }
 
     r->upstream->resolved = ngx_pcalloc (r->pool,
-					 sizeof
-					 (ngx_http_upstream_resolved_t));
+                                         sizeof
+                                         (ngx_http_upstream_resolved_t));
     if (r->upstream->resolved == NULL) {
-	return NGX_ERROR;
+        return NGX_ERROR;
     }
 
     if (u.addrs && u.addrs[0].sockaddr) {
-	r->upstream->resolved->sockaddr = u.addrs[0].sockaddr;
-	r->upstream->resolved->socklen = u.addrs[0].socklen;
-	r->upstream->resolved->naddrs = 1;
-	r->upstream->resolved->host = u.addrs[0].name;
+        r->upstream->resolved->sockaddr = u.addrs[0].sockaddr;
+        r->upstream->resolved->socklen = u.addrs[0].socklen;
+        r->upstream->resolved->naddrs = 1;
+        r->upstream->resolved->host = u.addrs[0].name;
 
     }
     else {
-	r->upstream->resolved->host = u.host;
-	r->upstream->resolved->port = u.port;
+        r->upstream->resolved->host = u.host;
+        r->upstream->resolved->port = u.port;
     }
 
     return NGX_OK;
@@ -504,71 +504,71 @@ ngx_http_uwsgi_create_request (ngx_http_request_t * r)
     uwcf = ngx_http_get_module_loc_conf (r, ngx_http_uwsgi_module);
 
     if (uwcf->params_len) {
-	ngx_memzero (&le, sizeof (ngx_http_script_engine_t));
+        ngx_memzero (&le, sizeof (ngx_http_script_engine_t));
 
-	ngx_http_script_flush_no_cacheable_variables (r, uwcf->flushes);
-	le.flushed = 1;
+        ngx_http_script_flush_no_cacheable_variables (r, uwcf->flushes);
+        le.flushed = 1;
 
-	le.ip = uwcf->params_len->elts;
-	le.request = r;
+        le.ip = uwcf->params_len->elts;
+        le.request = r;
 
-	while (*(uintptr_t *) le.ip) {
+        while (*(uintptr_t *) le.ip) {
 
-	    lcode = *(ngx_http_script_len_code_pt *) le.ip;
-	    key_len = lcode (&le);
+            lcode = *(ngx_http_script_len_code_pt *) le.ip;
+            key_len = lcode (&le);
 
-	    for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode (&le)) {
-		lcode = *(ngx_http_script_len_code_pt *) le.ip;
-	    }
-	    le.ip += sizeof (uintptr_t);
+            for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode (&le)) {
+                lcode = *(ngx_http_script_len_code_pt *) le.ip;
+            }
+            le.ip += sizeof (uintptr_t);
 
-	    uwsgi_pkt_size += 2 + key_len + 2 + val_len;
-	}
+            uwsgi_pkt_size += 2 + key_len + 2 + val_len;
+        }
     }
 
     if (uwcf->upstream.pass_request_headers) {
 
-	part = &r->headers_in.headers.part;
-	header = part->elts;
+        part = &r->headers_in.headers.part;
+        header = part->elts;
 
-	for (i = 0; /* void */ ; i++) {
+        for (i = 0; /* void */ ; i++) {
 
-	    if (i >= part->nelts) {
-		if (part->next == NULL) {
-		    break;
-		}
+            if (i >= part->nelts) {
+                if (part->next == NULL) {
+                    break;
+                }
 
-		part = part->next;
-		header = part->elts;
-		i = 0;
-	    }
+                part = part->next;
+                header = part->elts;
+                i = 0;
+            }
 
-	    uwsgi_pkt_size +=
-		2 + 5 + header[i].key.len + 2 + header[i].value.len;
-	}
+            uwsgi_pkt_size +=
+                2 + 5 + header[i].key.len + 2 + header[i].value.len;
+        }
     }
 
     if (uwcf->uwsgi_string.data && uwcf->uwsgi_string.len) {
-		uwsgi_pkt_size += uwcf->uwsgi_string.len ;
+                uwsgi_pkt_size += uwcf->uwsgi_string.len ;
     }
 
 
-    /* allow custom uwsgi packet 
+    /* allow custom uwsgi packet
     if (uwsgi_pkt_size > 0 && uwsgi_pkt_size < 2) {
-	ngx_log_error (NGX_LOG_ALERT, r->connection->log, 0,
-		       "uwsgi request is too little: %uz", uwsgi_pkt_size);
-	return NGX_ERROR;
+        ngx_log_error (NGX_LOG_ALERT, r->connection->log, 0,
+                       "uwsgi request is too little: %uz", uwsgi_pkt_size);
+        return NGX_ERROR;
     }
     */
 
     b = ngx_create_temp_buf (r->pool, uwsgi_pkt_size + 4);
     if (b == NULL) {
-	return NGX_ERROR;
+        return NGX_ERROR;
     }
 
     cl = ngx_alloc_chain_link (r->pool);
     if (cl == NULL) {
-	return NGX_ERROR;
+        return NGX_ERROR;
     }
 
     cl->buf = b;
@@ -582,148 +582,148 @@ ngx_http_uwsgi_create_request (ngx_http_request_t * r)
     b->last++;
 
     if (uwcf->params_len) {
-	ngx_memzero (&e, sizeof (ngx_http_script_engine_t));
+        ngx_memzero (&e, sizeof (ngx_http_script_engine_t));
 
-	e.ip = uwcf->params->elts;
-	e.pos = b->last;
-	e.request = r;
-	e.flushed = 1;
+        e.ip = uwcf->params->elts;
+        e.pos = b->last;
+        e.request = r;
+        e.flushed = 1;
 
-	le.ip = uwcf->params_len->elts;
+        le.ip = uwcf->params_len->elts;
 
-	while (*(uintptr_t *) le.ip) {
+        while (*(uintptr_t *) le.ip) {
 
-	    lcode = *(ngx_http_script_len_code_pt *) le.ip;
-	    key_len = (u_char) lcode (&le);
+            lcode = *(ngx_http_script_len_code_pt *) le.ip;
+            key_len = (u_char) lcode (&le);
 
-	    for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode (&le)) {
-		lcode = *(ngx_http_script_len_code_pt *) le.ip;
-	    }
-	    le.ip += sizeof (uintptr_t);
+            for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode (&le)) {
+                lcode = *(ngx_http_script_len_code_pt *) le.ip;
+            }
+            le.ip += sizeof (uintptr_t);
 
 #ifndef NGX_HAVE_LITTLE_ENDIAN
-	    uwsgi_strlen = uwsgi_swap16 (key_len);
+            uwsgi_strlen = uwsgi_swap16 (key_len);
 #else
-	    uwsgi_strlen = key_len;
+            uwsgi_strlen = key_len;
 #endif
-	    e.pos = ngx_cpymem (e.pos, &uwsgi_strlen, 2);
+            e.pos = ngx_cpymem (e.pos, &uwsgi_strlen, 2);
 
-	    while (*(uintptr_t *) e.ip) {
-		code = *(ngx_http_script_code_pt *) e.ip;
-		code ((ngx_http_script_engine_t *) & e);
-	    }
+            while (*(uintptr_t *) e.ip) {
+                code = *(ngx_http_script_code_pt *) e.ip;
+                code ((ngx_http_script_engine_t *) & e);
+            }
 
-	    pos = e.pos - val_len;
-	    /* move memory */
-	    for (i = 0; i < val_len; i += 2) {
-		e.pos = ngx_cpymem (tmp, pos + (i) + 2, 2);
-		e.pos = ngx_cpymem (pos + (i) + 2, pos, 2);
-		e.pos = ngx_cpymem (pos, tmp, 2);
-	    }
+            pos = e.pos - val_len;
+            /* move memory */
+            for (i = 0; i < val_len; i += 2) {
+                e.pos = ngx_cpymem (tmp, pos + (i) + 2, 2);
+                e.pos = ngx_cpymem (pos + (i) + 2, pos, 2);
+                e.pos = ngx_cpymem (pos, tmp, 2);
+            }
 
-	    e.pos = pos;
+            e.pos = pos;
 
 #ifndef NGX_HAVE_LITTLE_ENDIAN
-	    uwsgi_strlen = uwsgi_swap16 (val_len);
+            uwsgi_strlen = uwsgi_swap16 (val_len);
 #else
-	    uwsgi_strlen = val_len;
+            uwsgi_strlen = val_len;
 #endif
-	    e.pos = ngx_cpymem (e.pos, &uwsgi_strlen, 2);
-	    e.pos += val_len;
+            e.pos = ngx_cpymem (e.pos, &uwsgi_strlen, 2);
+            e.pos += val_len;
 
-	    e.ip += sizeof (uintptr_t);
+            e.ip += sizeof (uintptr_t);
 
 
-	}
+        }
 
-	b->last = e.pos;
+        b->last = e.pos;
     }
 
 
     if (uwcf->upstream.pass_request_headers) {
 
-	part = &r->headers_in.headers.part;
-	header = part->elts;
+        part = &r->headers_in.headers.part;
+        header = part->elts;
 
-	for (i = 0; /* void */ ; i++) {
+        for (i = 0; /* void */ ; i++) {
 
-	    if (i >= part->nelts) {
-		if (part->next == NULL) {
-		    break;
-		}
+            if (i >= part->nelts) {
+                if (part->next == NULL) {
+                    break;
+                }
 
-		part = part->next;
-		header = part->elts;
-		i = 0;
-	    }
+                part = part->next;
+                header = part->elts;
+                i = 0;
+            }
 
 #ifndef NGX_HAVE_LITTLE_ENDIAN
-	    uwsgi_strlen = uwsgi_swap16 (5 + header[i].key.len);
+            uwsgi_strlen = uwsgi_swap16 (5 + header[i].key.len);
 #else
-	    uwsgi_strlen = 5 + header[i].key.len;
+            uwsgi_strlen = 5 + header[i].key.len;
 #endif
-	    b->last = ngx_cpymem (b->last, &uwsgi_strlen, 2);
-	    b->last = ngx_cpymem (b->last, "HTTP_", 5);
-	    for (n = 0; n < header[i].key.len; n++) {
-		ch = header[i].key.data[n];
+            b->last = ngx_cpymem (b->last, &uwsgi_strlen, 2);
+            b->last = ngx_cpymem (b->last, "HTTP_", 5);
+            for (n = 0; n < header[i].key.len; n++) {
+                ch = header[i].key.data[n];
 
-		if (ch >= 'a' && ch <= 'z') {
-		    ch &= ~0x20;
+                if (ch >= 'a' && ch <= 'z') {
+                    ch &= ~0x20;
 
-		}
-		else if (ch == '-') {
-		    ch = '_';
-		}
+                }
+                else if (ch == '-') {
+                    ch = '_';
+                }
 
-		*b->last++ = ch;
-	    }
+                *b->last++ = ch;
+            }
 #ifndef NGX_HAVE_LITTLE_ENDIAN
-	    uwsgi_strlen = uwsgi_swap16 (header[i].value.len);
+            uwsgi_strlen = uwsgi_swap16 (header[i].value.len);
 #else
-	    uwsgi_strlen = header[i].value.len;
+            uwsgi_strlen = header[i].value.len;
 #endif
-	    b->last = ngx_cpymem (b->last, &uwsgi_strlen, 2);
-	    b->last =
-		ngx_copy (b->last, header[i].value.data, header[i].value.len);
+            b->last = ngx_cpymem (b->last, &uwsgi_strlen, 2);
+            b->last =
+                ngx_copy (b->last, header[i].value.data, header[i].value.len);
 
 
-	}
+        }
     }
 
 
 
     if (uwcf->uwsgi_string.data && uwcf->uwsgi_string.len) {
-	b->last = ngx_copy(b->last, uwcf->uwsgi_string.data, uwcf->uwsgi_string.len);
+        b->last = ngx_copy(b->last, uwcf->uwsgi_string.data, uwcf->uwsgi_string.len);
     }
 
     if (uwcf->upstream.pass_request_body) {
-	body = r->upstream->request_bufs;
-	r->upstream->request_bufs = cl;
+        body = r->upstream->request_bufs;
+        r->upstream->request_bufs = cl;
 
-	while (body) {
-	    b = ngx_alloc_buf (r->pool);
-	    if (b == NULL) {
-		return NGX_ERROR;
-	    }
+        while (body) {
+            b = ngx_alloc_buf (r->pool);
+            if (b == NULL) {
+                return NGX_ERROR;
+            }
 
-	    ngx_memcpy (b, body->buf, sizeof (ngx_buf_t));
+            ngx_memcpy (b, body->buf, sizeof (ngx_buf_t));
 
-	    cl->next = ngx_alloc_chain_link (r->pool);
-	    if (cl->next == NULL) {
-		return NGX_ERROR;
-	    }
+            cl->next = ngx_alloc_chain_link (r->pool);
+            if (cl->next == NULL) {
+                return NGX_ERROR;
+            }
 
-	    cl = cl->next;
-	    cl->buf = b;
+            cl = cl->next;
+            cl->buf = b;
 
-	    body = body->next;
-	}
+            body = body->next;
+        }
 
-	b->flush = 1;
+        b->flush = 1;
 
     }
     else {
-	r->upstream->request_bufs = cl;
+        r->upstream->request_bufs = cl;
     }
 
     cl->next = NULL;
@@ -741,7 +741,7 @@ ngx_http_uwsgi_reinit_request (ngx_http_request_t * r)
     s = ngx_http_get_module_ctx (r, ngx_http_uwsgi_module);
 
     if (s == NULL) {
-	return NGX_OK;
+        return NGX_OK;
     }
 
     s->status = 0;
@@ -756,25 +756,25 @@ ngx_http_uwsgi_reinit_request (ngx_http_request_t * r)
 
 static ngx_int_t
 ngx_http_uwsgi_parse_status_line (ngx_http_request_t * r,
-				  ngx_http_uwsgi_ctx_t * ctx)
+                                  ngx_http_uwsgi_ctx_t * ctx)
 {
     u_char ch;
     u_char *p;
     ngx_http_upstream_t *u;
     enum {
-	sw_start = 0,
-	sw_H,
-	sw_HT,
-	sw_HTT,
-	sw_HTTP,
-	sw_first_major_digit,
-	sw_major_digit,
-	sw_first_minor_digit,
-	sw_minor_digit,
-	sw_status,
-	sw_space_after_status,
-	sw_status_text,
-	sw_almost_done
+        sw_start = 0,
+        sw_H,
+        sw_HT,
+        sw_HTT,
+        sw_HTTP,
+        sw_first_major_digit,
+        sw_major_digit,
+        sw_first_minor_digit,
+        sw_minor_digit,
+        sw_status,
+        sw_space_after_status,
+        sw_status_text,
+        sw_almost_done
     } state;
 
     u = r->upstream;
@@ -782,165 +782,165 @@ ngx_http_uwsgi_parse_status_line (ngx_http_request_t * r,
     state = r->state;
 
     for (p = u->buffer.pos; p < u->buffer.last; p++) {
-	ch = *p;
-
-	switch (state) {
-
-	    /* "HTTP/" */
-	case sw_start:
-	    switch (ch) {
-	    case 'H':
-		state = sw_H;
-		break;
-	    default:
-		return NGX_HTTP_XCGI_PARSE_NO_HEADER;
-	    }
-	    break;
-
-	case sw_H:
-	    switch (ch) {
-	    case 'T':
-		state = sw_HT;
-		break;
-	    default:
-		return NGX_HTTP_XCGI_PARSE_NO_HEADER;
-	    }
-	    break;
-
-	case sw_HT:
-	    switch (ch) {
-	    case 'T':
-		state = sw_HTT;
-		break;
-	    default:
-		return NGX_HTTP_XCGI_PARSE_NO_HEADER;
-	    }
-	    break;
-
-	case sw_HTT:
-	    switch (ch) {
-	    case 'P':
-		state = sw_HTTP;
-		break;
-	    default:
-		return NGX_HTTP_XCGI_PARSE_NO_HEADER;
-	    }
-	    break;
-
-	case sw_HTTP:
-	    switch (ch) {
-	    case '/':
-		state = sw_first_major_digit;
-		break;
-	    default:
-		return NGX_HTTP_XCGI_PARSE_NO_HEADER;
-	    }
-	    break;
-
-	    /* the first digit of major HTTP version */
-	case sw_first_major_digit:
-	    if (ch < '1' || ch > '9') {
-		return NGX_HTTP_XCGI_PARSE_NO_HEADER;
-	    }
-
-	    state = sw_major_digit;
-	    break;
-
-	    /* the major HTTP version or dot */
-	case sw_major_digit:
-	    if (ch == '.') {
-		state = sw_first_minor_digit;
-		break;
-	    }
-
-	    if (ch < '0' || ch > '9') {
-		return NGX_HTTP_XCGI_PARSE_NO_HEADER;
-	    }
-
-	    break;
-
-	    /* the first digit of minor HTTP version */
-	case sw_first_minor_digit:
-	    if (ch < '0' || ch > '9') {
-		return NGX_HTTP_XCGI_PARSE_NO_HEADER;
-	    }
-
-	    state = sw_minor_digit;
-	    break;
-
-	    /* the minor HTTP version or the end of the request line */
-	case sw_minor_digit:
-	    if (ch == ' ') {
-		state = sw_status;
-		break;
-	    }
-
-	    if (ch < '0' || ch > '9') {
-		return NGX_HTTP_XCGI_PARSE_NO_HEADER;
-	    }
-
-	    break;
-
-	    /* HTTP status code */
-	case sw_status:
-	    if (ch == ' ') {
-		break;
-	    }
-
-	    if (ch < '0' || ch > '9') {
-		return NGX_HTTP_XCGI_PARSE_NO_HEADER;
-	    }
-
-	    ctx->status = ctx->status * 10 + ch - '0';
-
-	    if (++ctx->status_count == 3) {
-		state = sw_space_after_status;
-		ctx->status_start = p - 2;
-	    }
-
-	    break;
-
-	    /* space or end of line */
-	case sw_space_after_status:
-	    switch (ch) {
-	    case ' ':
-		state = sw_status_text;
-		break;
-	    case '.':		/* IIS may send 403.1, 403.2, etc */
-		state = sw_status_text;
-		break;
-	    case CR:
-		state = sw_almost_done;
-		break;
-	    case LF:
-		goto done;
-	    default:
-		return NGX_HTTP_XCGI_PARSE_NO_HEADER;
-	    }
-	    break;
-
-	    /* any text until end of line */
-	case sw_status_text:
-	    switch (ch) {
-	    case CR:
-		state = sw_almost_done;
-
-		break;
-	    case LF:
-		goto done;
-	    }
-	    break;
-
-	    /* end of status line */
-	case sw_almost_done:
-	    ctx->status_end = p - 1;
-	    switch (ch) {
-	    case LF:
-		goto done;
-	    default:
-		return NGX_HTTP_XCGI_PARSE_NO_HEADER;
-	    }
-	}
+        ch = *p;
+
+        switch (state) {
+
+            /* "HTTP/" */
+        case sw_start:
+            switch (ch) {
+            case 'H':
+                state = sw_H;
+                break;
+            default:
+                return NGX_HTTP_XCGI_PARSE_NO_HEADER;
+            }
+            break;
+
+        case sw_H:
+            switch (ch) {
+            case 'T':
+                state = sw_HT;
+                break;
+            default:
+                return NGX_HTTP_XCGI_PARSE_NO_HEADER;
+            }
+            break;
+
+        case sw_HT:
+            switch (ch) {
+            case 'T':
+                state = sw_HTT;
+                break;
+            default:
+                return NGX_HTTP_XCGI_PARSE_NO_HEADER;
+            }
+            break;
+
+        case sw_HTT:
+            switch (ch) {
+            case 'P':
+                state = sw_HTTP;
+                break;
+            default:
+                return NGX_HTTP_XCGI_PARSE_NO_HEADER;
+            }
+            break;
+
+        case sw_HTTP:
+            switch (ch) {
+            case '/':
+                state = sw_first_major_digit;
+                break;
+            default:
+                return NGX_HTTP_XCGI_PARSE_NO_HEADER;
+            }
+            break;
+
+            /* the first digit of major HTTP version */
+        case sw_first_major_digit:
+            if (ch < '1' || ch > '9') {
+                return NGX_HTTP_XCGI_PARSE_NO_HEADER;
+            }
+
+            state = sw_major_digit;
+            break;
+
+            /* the major HTTP version or dot */
+        case sw_major_digit:
+            if (ch == '.') {
+                state = sw_first_minor_digit;
+                break;
+            }
+
+            if (ch < '0' || ch > '9') {
+                return NGX_HTTP_XCGI_PARSE_NO_HEADER;
+            }
+
+            break;
+
+            /* the first digit of minor HTTP version */
+        case sw_first_minor_digit:
+            if (ch < '0' || ch > '9') {
+                return NGX_HTTP_XCGI_PARSE_NO_HEADER;
+            }
+
+            state = sw_minor_digit;
+            break;
+
+            /* the minor HTTP version or the end of the request line */
+        case sw_minor_digit:
+            if (ch == ' ') {
+                state = sw_status;
+                break;
+            }
+
+            if (ch < '0' || ch > '9') {
+                return NGX_HTTP_XCGI_PARSE_NO_HEADER;
+            }
+
+            break;
+
+            /* HTTP status code */
+        case sw_status:
+            if (ch == ' ') {
+                break;
+            }
+
+            if (ch < '0' || ch > '9') {
+                return NGX_HTTP_XCGI_PARSE_NO_HEADER;
+            }
+
+            ctx->status = ctx->status * 10 + ch - '0';
+
+            if (++ctx->status_count == 3) {
+                state = sw_space_after_status;
+                ctx->status_start = p - 2;
+            }
+
+            break;
+
+            /* space or end of line */
+        case sw_space_after_status:
+            switch (ch) {
+            case ' ':
+                state = sw_status_text;
+                break;
+            case '.':                /* IIS may send 403.1, 403.2, etc */
+                state = sw_status_text;
+                break;
+            case CR:
+                state = sw_almost_done;
+                break;
+            case LF:
+                goto done;
+            default:
+                return NGX_HTTP_XCGI_PARSE_NO_HEADER;
+            }
+            break;
+
+            /* any text until end of line */
+        case sw_status_text:
+            switch (ch) {
+            case CR:
+                state = sw_almost_done;
+
+                break;
+            case LF:
+                goto done;
+            }
+            break;
+
+            /* end of status line */
+        case sw_almost_done:
+            ctx->status_end = p - 1;
+            switch (ch) {
+            case LF:
+                goto done;
+            default:
+                return NGX_HTTP_XCGI_PARSE_NO_HEADER;
+            }
+        }
     }
 
     u->buffer.pos = p;
@@ -953,7 +953,7 @@ ngx_http_uwsgi_parse_status_line (ngx_http_request_t * r,
     u->buffer.pos = p + 1;
 
     if (ctx->status_end == NULL) {
-	ctx->status_end = p;
+        ctx->status_end = p;
     }
 
     r->state = sw_start;
@@ -972,49 +972,49 @@ ngx_http_uwsgi_process_status_line (ngx_http_request_t * r)
     ctx = ngx_http_get_module_ctx (r, ngx_http_uwsgi_module);
 
     if (ctx == NULL) {
-	return NGX_ERROR;
+        return NGX_ERROR;
     }
 
     rc = ngx_http_uwsgi_parse_status_line (r, ctx);
 
     if (rc == NGX_AGAIN) {
-	return rc;
+        return rc;
     }
 
     u = r->upstream;
 
     if (rc == NGX_HTTP_XCGI_PARSE_NO_HEADER) {
 
-	ngx_log_error (NGX_LOG_ERR, r->connection->log, 0,
-		       "upstream sent no valid HTTP/1.0 header");
+        ngx_log_error (NGX_LOG_ERR, r->connection->log, 0,
+                       "upstream sent no valid HTTP/1.0 header");
 
-	r->http_version = NGX_HTTP_VERSION_9;
-	u->headers_in.status_n = NGX_HTTP_OK;
-	u->state->status = NGX_HTTP_OK;
+        r->http_version = NGX_HTTP_VERSION_9;
+        u->headers_in.status_n = NGX_HTTP_OK;
+        u->state->status = NGX_HTTP_OK;
 
-	return NGX_OK;
+        return NGX_OK;
     }
 
     if (u->state) {
-	u->state->status = ctx->status;
+        u->state->status = ctx->status;
     }
 
     u->headers_in.status_n = ctx->status;
 
     u->headers_in.status_line.len = ctx->status_end - ctx->status_start;
     u->headers_in.status_line.data = ngx_pnalloc (r->pool,
-						  u->headers_in.
-						  status_line.len);
+                                                  u->headers_in.
+                                                  status_line.len);
     if (u->headers_in.status_line.data == NULL) {
-	return NGX_ERROR;
+        return NGX_ERROR;
     }
 
     ngx_memcpy (u->headers_in.status_line.data, ctx->status_start,
-		u->headers_in.status_line.len);
+                u->headers_in.status_line.len);
 
     ngx_log_debug2 (NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-		    "http uwsgi status %ui \"%V\"",
-		    u->headers_in.status_n, &u->headers_in.status_line);
+                    "http uwsgi status %ui \"%V\"",
+                    u->headers_in.status_n, &u->headers_in.status_line);
 
     u->process_header = ngx_http_uwsgi_process_header;
 
@@ -1034,116 +1034,116 @@ ngx_http_uwsgi_process_header (ngx_http_request_t * r)
 
     for (;;) {
 
-	rc = ngx_http_parse_header_line (r, &r->upstream->buffer, 1);
+        rc = ngx_http_parse_header_line (r, &r->upstream->buffer, 1);
 
-	if (rc == NGX_OK) {
+        if (rc == NGX_OK) {
 
-	    /* a header line has been parsed successfully */
+            /* a header line has been parsed successfully */
 
-	    h = ngx_list_push (&r->upstream->headers_in.headers);
-	    if (h == NULL) {
-		return NGX_ERROR;
-	    }
+            h = ngx_list_push (&r->upstream->headers_in.headers);
+            if (h == NULL) {
+                return NGX_ERROR;
+            }
 
-	    h->hash = r->header_hash;
+            h->hash = r->header_hash;
 
-	    h->key.len = r->header_name_end - r->header_name_start;
-	    h->value.len = r->header_end - r->header_start;
+            h->key.len = r->header_name_end - r->header_name_start;
+            h->value.len = r->header_end - r->header_start;
 
-	    h->key.data = ngx_pnalloc (r->pool,
-				       h->key.len + 1 + h->value.len + 1 +
-				       h->key.len);
-	    if (h->key.data == NULL) {
-		return NGX_ERROR;
-	    }
+            h->key.data = ngx_pnalloc (r->pool,
+                                       h->key.len + 1 + h->value.len + 1 +
+                                       h->key.len);
+            if (h->key.data == NULL) {
+                return NGX_ERROR;
+            }
 
-	    h->value.data = h->key.data + h->key.len + 1;
-	    h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
+            h->value.data = h->key.data + h->key.len + 1;
+            h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
 
-	    ngx_cpystrn (h->key.data, r->header_name_start, h->key.len + 1);
-	    ngx_cpystrn (h->value.data, r->header_start, h->value.len + 1);
+            ngx_cpystrn (h->key.data, r->header_name_start, h->key.len + 1);
+            ngx_cpystrn (h->value.data, r->header_start, h->value.len + 1);
 
-	    if (h->key.len == r->lowcase_index) {
-		ngx_memcpy (h->lowcase_key, r->lowcase_header, h->key.len);
+            if (h->key.len == r->lowcase_index) {
+                ngx_memcpy (h->lowcase_key, r->lowcase_header, h->key.len);
 
-	    }
-	    else {
-		ngx_strlow (h->lowcase_key, h->key.data, h->key.len);
-	    }
+            }
+            else {
+                ngx_strlow (h->lowcase_key, h->key.data, h->key.len);
+            }
 
-	    hh = ngx_hash_find (&umcf->headers_in_hash, h->hash,
-				h->lowcase_key, h->key.len);
+            hh = ngx_hash_find (&umcf->headers_in_hash, h->hash,
+                                h->lowcase_key, h->key.len);
 
-	    if (hh && hh->handler (r, h, hh->offset) != NGX_OK) {
-		return NGX_ERROR;
-	    }
+            if (hh && hh->handler (r, h, hh->offset) != NGX_OK) {
+                return NGX_ERROR;
+            }
 
-	    ngx_log_debug2 (NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-			    "http uwsgi header: \"%V: %V\"",
-			    &h->key, &h->value);
+            ngx_log_debug2 (NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+                            "http uwsgi header: \"%V: %V\"",
+                            &h->key, &h->value);
 
-	    continue;
-	}
+            continue;
+        }
 
-	if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
+        if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
 
-	    /* a whole header has been parsed successfully */
+            /* a whole header has been parsed successfully */
 
-	    ngx_log_debug0 (NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-			    "http uwsgi header done");
+            ngx_log_debug0 (NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+                            "http uwsgi header done");
 
-	    /*
-	     * if no "Server" and "Date" in header line,
-	     * then add the special empty headers
-	     */
+            /*
+             * if no "Server" and "Date" in header line,
+             * then add the special empty headers
+             */
 
-	    if (r->upstream->headers_in.server == NULL) {
-		h = ngx_list_push (&r->upstream->headers_in.headers);
-		if (h == NULL) {
-		    return NGX_ERROR;
-		}
+            if (r->upstream->headers_in.server == NULL) {
+                h = ngx_list_push (&r->upstream->headers_in.headers);
+                if (h == NULL) {
+                    return NGX_ERROR;
+                }
 
-		h->hash =
-		    ngx_hash (ngx_hash
-			      (ngx_hash
-			       (ngx_hash (ngx_hash ('s', 'e'), 'r'),
-				'v'), 'e'), 'r');
+                h->hash =
+                    ngx_hash (ngx_hash
+                              (ngx_hash
+                               (ngx_hash (ngx_hash ('s', 'e'), 'r'),
+                                'v'), 'e'), 'r');
 
-		h->key.len = sizeof ("Server") - 1;
-		h->key.data = (u_char *) "Server";
-		h->value.len = 0;
-		h->value.data = NULL;
-		h->lowcase_key = (u_char *) "server";
-	    }
+                h->key.len = sizeof ("Server") - 1;
+                h->key.data = (u_char *) "Server";
+                h->value.len = 0;
+                h->value.data = NULL;
+                h->lowcase_key = (u_char *) "server";
+            }
 
-	    if (r->upstream->headers_in.date == NULL) {
-		h = ngx_list_push (&r->upstream->headers_in.headers);
-		if (h == NULL) {
-		    return NGX_ERROR;
-		}
+            if (r->upstream->headers_in.date == NULL) {
+                h = ngx_list_push (&r->upstream->headers_in.headers);
+                if (h == NULL) {
+                    return NGX_ERROR;
+                }
 
-		h->hash = ngx_hash (ngx_hash (ngx_hash ('d', 'a'), 't'), 'e');
+                h->hash = ngx_hash (ngx_hash (ngx_hash ('d', 'a'), 't'), 'e');
 
-		h->key.len = sizeof ("Date") - 1;
-		h->key.data = (u_char *) "Date";
-		h->value.len = 0;
-		h->value.data = NULL;
-		h->lowcase_key = (u_char *) "date";
-	    }
+                h->key.len = sizeof ("Date") - 1;
+                h->key.data = (u_char *) "Date";
+                h->value.len = 0;
+                h->value.data = NULL;
+                h->lowcase_key = (u_char *) "date";
+            }
 
-	    return NGX_OK;
-	}
+            return NGX_OK;
+        }
 
-	if (rc == NGX_AGAIN) {
-	    return NGX_AGAIN;
-	}
+        if (rc == NGX_AGAIN) {
+            return NGX_AGAIN;
+        }
 
-	/* there was error while a header line parsing */
+        /* there was error while a header line parsing */
 
-	ngx_log_error (NGX_LOG_ERR, r->connection->log, 0,
-		       "upstream sent invalid header");
+        ngx_log_error (NGX_LOG_ERR, r->connection->log, 0,
+                       "upstream sent invalid header");
 
-	return NGX_HTTP_UPSTREAM_INVALID_HEADER;
+        return NGX_HTTP_UPSTREAM_INVALID_HEADER;
     }
 }
 
@@ -1152,7 +1152,7 @@ static void
 ngx_http_uwsgi_abort_request (ngx_http_request_t * r)
 {
     ngx_log_debug0 (NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-		    "abort http uwsgi request");
+                    "abort http uwsgi request");
 
     return;
 }
@@ -1162,7 +1162,7 @@ static void
 ngx_http_uwsgi_finalize_request (ngx_http_request_t * r, ngx_int_t rc)
 {
     ngx_log_debug0 (NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-		    "finalize http uwsgi request");
+                    "finalize http uwsgi request");
 
     return;
 }
@@ -1174,13 +1174,13 @@ ngx_http_uwsgi_add_variables (ngx_conf_t * cf)
     ngx_http_variable_t *var, *v;
 
     for (v = ngx_http_uwsgi_vars; v->name.len; v++) {
-	var = ngx_http_add_variable (cf, &v->name, v->flags);
-	if (var == NULL) {
-	    return NGX_ERROR;
-	}
+        var = ngx_http_add_variable (cf, &v->name, v->flags);
+        if (var == NULL) {
+            return NGX_ERROR;
+        }
 
-	var->get_handler = v->get_handler;
-	var->data = v->data;
+        var->get_handler = v->get_handler;
+        var->data = v->data;
     }
 
     return NGX_OK;
@@ -1194,7 +1194,7 @@ ngx_http_uwsgi_create_loc_conf (ngx_conf_t * cf)
 
     conf = ngx_pcalloc (cf->pool, sizeof (ngx_http_uwsgi_loc_conf_t));
     if (conf == NULL) {
-	return NULL;
+        return NULL;
     }
 
     conf->upstream.store = NGX_CONF_UNSET;
@@ -1244,162 +1244,162 @@ ngx_http_uwsgi_merge_loc_conf (ngx_conf_t * cf, void *parent, void *child)
     ngx_http_script_copy_code_t *copy;
 
     if (conf->upstream.store != 0) {
-	ngx_conf_merge_value (conf->upstream.store, prev->upstream.store, 0);
+        ngx_conf_merge_value (conf->upstream.store, prev->upstream.store, 0);
 
-	if (conf->upstream.store_lengths == NULL) {
-	    conf->upstream.store_lengths = prev->upstream.store_lengths;
-	    conf->upstream.store_values = prev->upstream.store_values;
-	}
+        if (conf->upstream.store_lengths == NULL) {
+            conf->upstream.store_lengths = prev->upstream.store_lengths;
+            conf->upstream.store_values = prev->upstream.store_values;
+        }
     }
 
     ngx_conf_merge_uint_value (conf->upstream.store_access,
-			       prev->upstream.store_access, 0600);
+                               prev->upstream.store_access, 0600);
 
     ngx_conf_merge_value (conf->upstream.buffering,
-			  prev->upstream.buffering, 1);
+                          prev->upstream.buffering, 1);
 
     ngx_conf_merge_value (conf->upstream.ignore_client_abort,
-			  prev->upstream.ignore_client_abort, 0);
+                          prev->upstream.ignore_client_abort, 0);
 
     ngx_conf_merge_msec_value (conf->upstream.connect_timeout,
-			       prev->upstream.connect_timeout, 60000);
+                               prev->upstream.connect_timeout, 60000);
 
     ngx_conf_merge_msec_value (conf->upstream.send_timeout,
-			       prev->upstream.send_timeout, 60000);
+                               prev->upstream.send_timeout, 60000);
 
     ngx_conf_merge_msec_value (conf->upstream.read_timeout,
-			       prev->upstream.read_timeout, 60000);
+                               prev->upstream.read_timeout, 60000);
 
     ngx_conf_merge_size_value (conf->upstream.send_lowat,
-			       prev->upstream.send_lowat, 0);
+                               prev->upstream.send_lowat, 0);
 
     ngx_conf_merge_size_value (conf->upstream.buffer_size,
-			       prev->upstream.buffer_size,
-			       (size_t) ngx_pagesize);
+                               prev->upstream.buffer_size,
+                               (size_t) ngx_pagesize);
 
 
     ngx_conf_merge_bufs_value (conf->upstream.bufs, prev->upstream.bufs,
-			       8, ngx_pagesize);
+                               8, ngx_pagesize);
 
     if (conf->upstream.bufs.num < 2) {
-	ngx_conf_log_error (NGX_LOG_EMERG, cf, 0,
-			    "there must be at least 2 \"uwsgi_buffers\"");
-	return NGX_CONF_ERROR;
+        ngx_conf_log_error (NGX_LOG_EMERG, cf, 0,
+                            "there must be at least 2 \"uwsgi_buffers\"");
+        return NGX_CONF_ERROR;
     }
 
 
     size = conf->upstream.buffer_size;
     if (size < conf->upstream.bufs.size) {
-	size = conf->upstream.bufs.size;
+        size = conf->upstream.bufs.size;
     }
 
 
     ngx_conf_merge_size_value (conf->upstream.busy_buffers_size_conf,
-			       prev->upstream.busy_buffers_size_conf,
-			       NGX_CONF_UNSET_SIZE);
+                               prev->upstream.busy_buffers_size_conf,
+                               NGX_CONF_UNSET_SIZE);
 
     if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
-	conf->upstream.busy_buffers_size = 2 * size;
+        conf->upstream.busy_buffers_size = 2 * size;
     }
     else {
-	conf->upstream.busy_buffers_size =
-	    conf->upstream.busy_buffers_size_conf;
+        conf->upstream.busy_buffers_size =
+            conf->upstream.busy_buffers_size_conf;
     }
 
     if (conf->upstream.busy_buffers_size < size) {
-	ngx_conf_log_error (NGX_LOG_EMERG, cf, 0,
-			    "\"uwsgi_busy_buffers_size\" must be equal or bigger than "
-			    "maximum of the value of \"uwsgi_buffer_size\" and "
-			    "one of the \"uwsgi_buffers\"");
+        ngx_conf_log_error (NGX_LOG_EMERG, cf, 0,
+                            "\"uwsgi_busy_buffers_size\" must be equal or bigger than "
+                            "maximum of the value of \"uwsgi_buffer_size\" and "
+                            "one of the \"uwsgi_buffers\"");
 
-	return NGX_CONF_ERROR;
+        return NGX_CONF_ERROR;
     }
 
     if (conf->upstream.busy_buffers_size
-	> (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) {
-	ngx_conf_log_error (NGX_LOG_EMERG, cf, 0,
-			    "\"uwsgi_busy_buffers_size\" must be less than "
-			    "the size of all \"uwsgi_buffers\" minus one buffer");
+        > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) {
+        ngx_conf_log_error (NGX_LOG_EMERG, cf, 0,
+                            "\"uwsgi_busy_buffers_size\" must be less than "
+                            "the size of all \"uwsgi_buffers\" minus one buffer");
 
-	return NGX_CONF_ERROR;
+        return NGX_CONF_ERROR;
     }
 
 
     ngx_conf_merge_size_value (conf->upstream.temp_file_write_size_conf,
-			       prev->upstream.temp_file_write_size_conf,
-			       NGX_CONF_UNSET_SIZE);
+                               prev->upstream.temp_file_write_size_conf,
+                               NGX_CONF_UNSET_SIZE);
 
     if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
-	conf->upstream.temp_file_write_size = 2 * size;
+        conf->upstream.temp_file_write_size = 2 * size;
     }
     else {
-	conf->upstream.temp_file_write_size =
-	    conf->upstream.temp_file_write_size_conf;
+        conf->upstream.temp_file_write_size =
+            conf->upstream.temp_file_write_size_conf;
     }
 
     if (conf->upstream.temp_file_write_size < size) {
-	ngx_conf_log_error (NGX_LOG_EMERG, cf, 0,
-			    "\"uwsgi_temp_file_write_size\" must be equal or bigger than "
-			    "maximum of the value of \"uwsgi_buffer_size\" and "
-			    "one of the \"uwsgi_buffers\"");
+        ngx_conf_log_error (NGX_LOG_EMERG, cf, 0,
+                            "\"uwsgi_temp_file_write_size\" must be equal or bigger than "
+                            "maximum of the value of \"uwsgi_buffer_size\" and "
+                            "one of the \"uwsgi_buffers\"");
 
-	return NGX_CONF_ERROR;
+        return NGX_CONF_ERROR;
     }
 
 
     ngx_conf_merge_size_value (conf->upstream.max_temp_file_size_conf,
-			       prev->upstream.max_temp_file_size_conf,
-			       NGX_CONF_UNSET_SIZE);
+                               prev->upstream.max_temp_file_size_conf,
+                               NGX_CONF_UNSET_SIZE);
 
     if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
-	conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
+        conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
     }
     else {
-	conf->upstream.max_temp_file_size =
-	    conf->upstream.max_temp_file_size_conf;
+        conf->upstream.max_temp_file_size =
+            conf->upstream.max_temp_file_size_conf;
     }
 
     if (conf->upstream.max_temp_file_size != 0
-	&& conf->upstream.max_temp_file_size < size) {
-	ngx_conf_log_error (NGX_LOG_EMERG, cf, 0,
-			    "\"uwsgi_max_temp_file_size\" must be equal to zero to disable "
-			    "the temporary files usage or must be equal or bigger than "
-			    "maximum of the value of \"uwsgi_buffer_size\" and "
-			    "one of the \"uwsgi_buffers\"");
-
-	return NGX_CONF_ERROR;
+        && conf->upstream.max_temp_file_size < size) {
+        ngx_conf_log_error (NGX_LOG_EMERG, cf, 0,
+                            "\"uwsgi_max_temp_file_size\" must be equal to zero to disable "
+                            "the temporary files usage or must be equal or bigger than "
+                            "maximum of the value of \"uwsgi_buffer_size\" and "
+                            "one of the \"uwsgi_buffers\"");
+
+        return NGX_CONF_ERROR;
     }
 
 
     ngx_conf_merge_bitmask_value (conf->upstream.ignore_headers,
-				  prev->upstream.ignore_headers,
-				  NGX_CONF_BITMASK_SET);
+                                  prev->upstream.ignore_headers,
+                                  NGX_CONF_BITMASK_SET);
 
 
     ngx_conf_merge_bitmask_value (conf->upstream.next_upstream,
-				  prev->upstream.next_upstream,
-				  (NGX_CONF_BITMASK_SET
-				   | NGX_HTTP_UPSTREAM_FT_ERROR
-				   | NGX_HTTP_UPSTREAM_FT_TIMEOUT));
+                                  prev->upstream.next_upstream,
+                                  (NGX_CONF_BITMASK_SET
+                                   | NGX_HTTP_UPSTREAM_FT_ERROR
+                                   | NGX_HTTP_UPSTREAM_FT_TIMEOUT));
 
     if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
-	conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
-	    | NGX_HTTP_UPSTREAM_FT_OFF;
+        conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
+            | NGX_HTTP_UPSTREAM_FT_OFF;
     }
 
     if (ngx_conf_merge_path_value (cf, &conf->upstream.temp_path,
-				   prev->upstream.temp_path,
-				   &ngx_http_uwsgi_temp_path) != NGX_OK) {
-	return NGX_CONF_ERROR;
+                                   prev->upstream.temp_path,
+                                   &ngx_http_uwsgi_temp_path) != NGX_OK) {
+        return NGX_CONF_ERROR;
     }
 
     ngx_conf_merge_value (conf->upstream.pass_request_headers,
-			  prev->upstream.pass_request_headers, 1);
+                          prev->upstream.pass_request_headers, 1);
     ngx_conf_merge_value (conf->upstream.pass_request_body,
-			  prev->upstream.pass_request_body, 1);
+                          prev->upstream.pass_request_body, 1);
 
     ngx_conf_merge_value (conf->upstream.intercept_errors,
-			  prev->upstream.intercept_errors, 0);
+                          prev->upstream.intercept_errors, 0);
 
     ngx_conf_merge_str_value(conf->uwsgi_string, prev->uwsgi_string, "");
 
@@ -1408,154 +1408,154 @@ ngx_http_uwsgi_merge_loc_conf (ngx_conf_t * cf, void *parent, void *child)
     hash.name = "uwsgi_hide_headers_hash";
 
     if (ngx_http_upstream_hide_headers_hash (cf, &conf->upstream,
-					     &prev->upstream,
-					     ngx_http_uwsgi_hide_headers,
-					     &hash) != NGX_OK) {
-	return NGX_CONF_ERROR;
+                                             &prev->upstream,
+                                             ngx_http_uwsgi_hide_headers,
+                                             &hash) != NGX_OK) {
+        return NGX_CONF_ERROR;
     }
 
     if (conf->upstream.upstream == NULL) {
-	conf->upstream.upstream = prev->upstream.upstream;
+        conf->upstream.upstream = prev->upstream.upstream;
     }
 
     if (conf->uwsgi_lengths == NULL) {
-	conf->uwsgi_lengths = prev->uwsgi_lengths;
-	conf->uwsgi_values = prev->uwsgi_values;
+        conf->uwsgi_lengths = prev->uwsgi_lengths;
+        conf->uwsgi_values = prev->uwsgi_values;
     }
 
     if (conf->modifier1 == 0) {
-	conf->modifier1 = prev->modifier1;
+        conf->modifier1 = prev->modifier1;
     }
 
     if (conf->modifier2 == 0) {
-	conf->modifier2 = prev->modifier2;
+        conf->modifier2 = prev->modifier2;
     }
 
     if (conf->params_source == NULL) {
-	conf->flushes = prev->flushes;
-	conf->params_len = prev->params_len;
-	conf->params = prev->params;
-	conf->params_source = prev->params_source;
-
-	if (conf->params_source == NULL) {
-	    return NGX_CONF_OK;
-	}
+        conf->flushes = prev->flushes;
+        conf->params_len = prev->params_len;
+        conf->params = prev->params;
+        conf->params_source = prev->params_source;
+
+        if (conf->params_source == NULL) {
+            return NGX_CONF_OK;
+        }
     }
 
     conf->params_len = ngx_array_create (cf->pool, 64, 1);
     if (conf->params_len == NULL) {
-	return NGX_CONF_ERROR;
+        return NGX_CONF_ERROR;
     }
 
     conf->params = ngx_array_create (cf->pool, 512, 1);
     if (conf->params == NULL) {
-	return NGX_CONF_ERROR;
+        return NGX_CONF_ERROR;
     }
 
     src = conf->params_source->elts;
     for (i = 0; i < conf->params_source->nelts; i++) {
 
-	if (ngx_http_script_variables_count (&src[i].value) == 0) {
-	    copy = ngx_array_push_n (conf->params_len,
-				     sizeof (ngx_http_script_copy_code_t));
-	    if (copy == NULL) {
-		return NGX_CONF_ERROR;
-	    }
+        if (ngx_http_script_variables_count (&src[i].value) == 0) {
+            copy = ngx_array_push_n (conf->params_len,
+                                     sizeof (ngx_http_script_copy_code_t));
+            if (copy == NULL) {
+                return NGX_CONF_ERROR;
+            }
 
-	    copy->code = (ngx_http_script_code_pt)
-		ngx_http_script_copy_len_code;
-	    copy->len = src[i].key.len;
+            copy->code = (ngx_http_script_code_pt)
+                ngx_http_script_copy_len_code;
+            copy->len = src[i].key.len;
 
 
-	    copy = ngx_array_push_n (conf->params_len,
-				     sizeof (ngx_http_script_copy_code_t));
-	    if (copy == NULL) {
-		return NGX_CONF_ERROR;
-	    }
+            copy = ngx_array_push_n (conf->params_len,
+                                     sizeof (ngx_http_script_copy_code_t));
+            if (copy == NULL) {
+                return NGX_CONF_ERROR;
+            }
 
-	    copy->code = (ngx_http_script_code_pt)
-		ngx_http_script_copy_len_code;
-	    copy->len = src[i].value.len;
+            copy->code = (ngx_http_script_code_pt)
+                ngx_http_script_copy_len_code;
+            copy->len = src[i].value.len;
 
 
-	    size = (sizeof (ngx_http_script_copy_code_t)
-		    + src[i].key.len + src[i].value.len
-		    + sizeof (uintptr_t) - 1) & ~(sizeof (uintptr_t) - 1);
+            size = (sizeof (ngx_http_script_copy_code_t)
+                    + src[i].key.len + src[i].value.len
+                    + sizeof (uintptr_t) - 1) & ~(sizeof (uintptr_t) - 1);
 
-	    copy = ngx_array_push_n (conf->params, size);
-	    if (copy == NULL) {
-		return NGX_CONF_ERROR;
-	    }
+            copy = ngx_array_push_n (conf->params, size);
+            if (copy == NULL) {
+                return NGX_CONF_ERROR;
+            }
 
-	    copy->code = ngx_http_script_copy_code;
-	    copy->len = src[i].key.len + src[i].value.len;
+            copy->code = ngx_http_script_copy_code;
+            copy->len = src[i].key.len + src[i].value.len;
 
-	    p = (u_char *) copy + sizeof (ngx_http_script_copy_code_t);
+            p = (u_char *) copy + sizeof (ngx_http_script_copy_code_t);
 
-	    p = ngx_cpymem (p, src[i].key.data, src[i].key.len);
-	    ngx_memcpy (p, src[i].value.data, src[i].value.len);
+            p = ngx_cpymem (p, src[i].key.data, src[i].key.len);
+            ngx_memcpy (p, src[i].value.data, src[i].value.len);
 
-	}
-	else {
-	    copy = ngx_array_push_n (conf->params_len,
-				     sizeof (ngx_http_script_copy_code_t));
-	    if (copy == NULL) {
-		return NGX_CONF_ERROR;
-	    }
+        }
+        else {
+            copy = ngx_array_push_n (conf->params_len,
+                                     sizeof (ngx_http_script_copy_code_t));
+            if (copy == NULL) {
+                return NGX_CONF_ERROR;
+            }
 
-	    copy->code = (ngx_http_script_code_pt)
-		ngx_http_script_copy_len_code;
-	    copy->len = src[i].key.len;
+            copy->code = (ngx_http_script_code_pt)
+                ngx_http_script_copy_len_code;
+            copy->len = src[i].key.len;
 
 
-	    size = (sizeof (ngx_http_script_copy_code_t)
-		    + src[i].key.len + sizeof (uintptr_t) - 1)
-		& ~(sizeof (uintptr_t) - 1);
+            size = (sizeof (ngx_http_script_copy_code_t)
+                    + src[i].key.len + sizeof (uintptr_t) - 1)
+                & ~(sizeof (uintptr_t) - 1);
 
-	    copy = ngx_array_push_n (conf->params, size);
-	    if (copy == NULL) {
-		return NGX_CONF_ERROR;
-	    }
+            copy = ngx_array_push_n (conf->params, size);
+            if (copy == NULL) {
+                return NGX_CONF_ERROR;
+            }
 
-	    copy->code = ngx_http_script_copy_code;
-	    copy->len = src[i].key.len;
+            copy->code = ngx_http_script_copy_code;
+            copy->len = src[i].key.len;
 
-	    p = (u_char *) copy + sizeof (ngx_http_script_copy_code_t);
-	    ngx_memcpy (p, src[i].key.data, src[i].key.len);
+            p = (u_char *) copy + sizeof (ngx_http_script_copy_code_t);
+            ngx_memcpy (p, src[i].key.data, src[i].key.len);
 
 
-	    ngx_memzero (&sc, sizeof (ngx_http_script_compile_t));
+            ngx_memzero (&sc, sizeof (ngx_http_script_compile_t));
 
-	    sc.cf = cf;
-	    sc.source = &src[i].value;
-	    sc.flushes = &conf->flushes;
-	    sc.lengths = &conf->params_len;
-	    sc.values = &conf->params;
+            sc.cf = cf;
+            sc.source = &src[i].value;
+            sc.flushes = &conf->flushes;
+            sc.lengths = &conf->params_len;
+            sc.values = &conf->params;
 
-	    if (ngx_http_script_compile (&sc) != NGX_OK) {
-		return NGX_CONF_ERROR;
-	    }
-	}
+            if (ngx_http_script_compile (&sc) != NGX_OK) {
+                return NGX_CONF_ERROR;
+            }
+        }
 
-	code = ngx_array_push_n (conf->params_len, sizeof (uintptr_t));
-	if (code == NULL) {
-	    return NGX_CONF_ERROR;
-	}
+        code = ngx_array_push_n (conf->params_len, sizeof (uintptr_t));
+        if (code == NULL) {
+            return NGX_CONF_ERROR;
+        }
 
-	*code = (uintptr_t) NULL;
+        *code = (uintptr_t) NULL;
 
 
-	code = ngx_array_push_n (conf->params, sizeof (uintptr_t));
-	if (code == NULL) {
-	    return NGX_CONF_ERROR;
-	}
+        code = ngx_array_push_n (conf->params, sizeof (uintptr_t));
+        if (code == NULL) {
+            return NGX_CONF_ERROR;
+        }
 
-	*code = (uintptr_t) NULL;
+        *code = (uintptr_t) NULL;
     }
 
     code = ngx_array_push_n (conf->params_len, sizeof (uintptr_t));
     if (code == NULL) {
-	return NGX_CONF_ERROR;
+        return NGX_CONF_ERROR;
     }
 
     *code = (uintptr_t) NULL;
@@ -1576,7 +1576,7 @@ ngx_http_uwsgi_pass (ngx_conf_t * cf, ngx_command_t * cmd, void *conf)
     ngx_http_script_compile_t sc;
 
     if (uwcf->upstream.upstream || uwcf->uwsgi_lengths) {
-	return "is duplicate";
+        return "is duplicate";
     }
 
     clcf = ngx_http_conf_get_module_loc_conf (cf, ngx_http_core_module);
@@ -1590,21 +1590,21 @@ ngx_http_uwsgi_pass (ngx_conf_t * cf, ngx_command_t * cmd, void *conf)
 
     if (n) {
 
-	ngx_memzero (&sc, sizeof (ngx_http_script_compile_t));
+        ngx_memzero (&sc, sizeof (ngx_http_script_compile_t));
 
-	sc.cf = cf;
-	sc.source = url;
-	sc.lengths = &uwcf->uwsgi_lengths;
-	sc.values = &uwcf->uwsgi_values;
-	sc.variables = n;
-	sc.complete_lengths = 1;
-	sc.complete_values = 1;
+        sc.cf = cf;
+        sc.source = url;
+        sc.lengths = &uwcf->uwsgi_lengths;
+        sc.values = &uwcf->uwsgi_values;
+        sc.variables = n;
+        sc.complete_lengths = 1;
+        sc.complete_values = 1;
 
-	if (ngx_http_script_compile (&sc) != NGX_OK) {
-	    return NGX_CONF_ERROR;
-	}
+        if (ngx_http_script_compile (&sc) != NGX_OK) {
+            return NGX_CONF_ERROR;
+        }
 
-	return NGX_CONF_OK;
+        return NGX_CONF_OK;
     }
 
     ngx_memzero (&u, sizeof (ngx_url_t));
@@ -1614,11 +1614,11 @@ ngx_http_uwsgi_pass (ngx_conf_t * cf, ngx_command_t * cmd, void *conf)
 
     uwcf->upstream.upstream = ngx_http_upstream_add (cf, &u, 0);
     if (uwcf->upstream.upstream == NULL) {
-	return NGX_CONF_ERROR;
+        return NGX_CONF_ERROR;
     }
 
     if (clcf->name.data[clcf->name.len - 1] == '/') {
-	clcf->auto_redirect = 1;
+        clcf->auto_redirect = 1;
     }
 
     return NGX_CONF_OK;