263     ngx_http_log_buf_t       *buffer;  in ngx_http_log_handler()  local
324         buffer = log[l].file ? log[l].file->data : NULL;  in ngx_http_log_handler()
326         if (buffer) {  in ngx_http_log_handler()
328             if (len > (size_t) (buffer->last - buffer->pos)) {  in ngx_http_log_handler()
330                 ngx_http_log_write(r, &log[l], buffer->start,  in ngx_http_log_handler()
331                                    buffer->pos - buffer->start);  in ngx_http_log_handler()
333                 buffer->pos = buffer->start;  in ngx_http_log_handler()
336             if (len <= (size_t) (buffer->last - buffer->pos)) {  in ngx_http_log_handler()
338                 p = buffer->pos;  in ngx_http_log_handler()
340                 if (buffer->event && p == buffer->start) {  in ngx_http_log_handler()
341                     ngx_add_timer(buffer->event, buffer->flush);  in ngx_http_log_handler()
350                 buffer->pos = p;  in ngx_http_log_handler()
355             if (buffer->event && buffer->event->timer_set) {  in ngx_http_log_handler()
356                 ngx_del_timer(buffer->event);  in ngx_http_log_handler()
414     ngx_http_log_buf_t  *buffer;  in ngx_http_log_write()  local
421         buffer = log->file->data;  in ngx_http_log_write()
423         if (buffer && buffer->gzip) {  in ngx_http_log_write()
424             n = ngx_http_log_gzip(log->file->fd, buf, len, buffer->gzip,  in ngx_http_log_write()
723     ngx_http_log_buf_t  *buffer;  in ngx_http_log_flush()  local
725     buffer = file->data;  in ngx_http_log_flush()
727     len = buffer->pos - buffer->start;  in ngx_http_log_flush()
734     if (buffer->gzip) {  in ngx_http_log_flush()
735         n = ngx_http_log_gzip(file->fd, buffer->start, len, buffer->gzip, log);  in ngx_http_log_flush()
737         n = ngx_write_fd(file->fd, buffer->start, len);  in ngx_http_log_flush()
740     n = ngx_write_fd(file->fd, buffer->start, len);  in ngx_http_log_flush()
754     buffer->pos = buffer->start;  in ngx_http_log_flush()
756     if (buffer->event && buffer->event->timer_set) {  in ngx_http_log_flush()
757         ngx_del_timer(buffer->event);  in ngx_http_log_flush()
1249     ngx_http_log_buf_t                *buffer;  in ngx_http_log_set_log()  local
1483             buffer = log->file->data;  in ngx_http_log_set_log()
1485             if (buffer->last - buffer->start != size  in ngx_http_log_set_log()
1486                 || buffer->flush != flush  in ngx_http_log_set_log()
1487                 || buffer->gzip != gzip)  in ngx_http_log_set_log()
1499         buffer = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_buf_t));  in ngx_http_log_set_log()
1500         if (buffer == NULL) {  in ngx_http_log_set_log()
1504         buffer->start = ngx_pnalloc(cf->pool, size);  in ngx_http_log_set_log()
1505         if (buffer->start == NULL) {  in ngx_http_log_set_log()
1509         buffer->pos = buffer->start;  in ngx_http_log_set_log()
1510         buffer->last = buffer->start + size;  in ngx_http_log_set_log()
1513             buffer->event = ngx_pcalloc(cf->pool, sizeof(ngx_event_t));  in ngx_http_log_set_log()
1514             if (buffer->event == NULL) {  in ngx_http_log_set_log()
1518             buffer->event->data = log->file;  in ngx_http_log_set_log()
1519             buffer->event->handler = ngx_http_log_flush_handler;  in ngx_http_log_set_log()
1520             buffer->event->log = &cf->cycle->new_log;  in ngx_http_log_set_log()
1521             buffer->event->cancelable = 1;  in ngx_http_log_set_log()
1523             buffer->flush = flush;  in ngx_http_log_set_log()
1526         buffer->gzip = gzip;  in ngx_http_log_set_log()
1529         log->file->data = buffer;  in ngx_http_log_set_log()