diff options
Diffstat (limited to 'src/seq_window.c')
| -rw-r--r-- | src/seq_window.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/src/seq_window.c b/src/seq_window.c index 0f58adb..55be299 100644 --- a/src/seq_window.c +++ b/src/seq_window.c @@ -13,9 +13,9 @@ * message authentication based on the methodes used by SRTP. It is * intended to deliver a generic, scaleable and secure solution for * tunneling and relaying of packets of any protocol. - * * - * Copyright (C) 2007-2010 Christian Pointner <equinox@anytun.org> + * + * Copyright (C) 2007-2014 Christian Pointner <equinox@anytun.org> * * This file is part of uAnytun. * @@ -67,9 +67,11 @@ void seq_win_clear(seq_win_t* win) free(to_free); } + + win->first_ = NULL; } -seq_win_element_t* seq_win_new_element(sender_id_t sender_id, seq_nr_t max, window_size_t size) +static seq_win_element_t* seq_win_new_element(sender_id_t sender_id, seq_nr_t max, window_size_t size) { if(!size) return NULL; @@ -81,7 +83,7 @@ seq_win_element_t* seq_win_new_element(sender_id_t sender_id, seq_nr_t max, wind e->sender_id_ = sender_id; e->max_ = max; e->pos_ = 0; - e->window_ = malloc(sizeof(seq_nr_t)*size); + e->window_ = malloc(sizeof((*e->window_))*size); if(!e->window_) { free(e); return NULL; @@ -152,12 +154,12 @@ int seq_win_check_and_add(seq_win_t* win, sender_id_t sender_id, seq_nr_t seq_nr ptr->max_ -= SEQ_NR_MAX/2; else if(shifted == 2) ptr->max_ += SEQ_NR_MAX/2; - + return 0; } - + seq_nr_t diff = ptr->max_ - seq_nr; - window_size_t pos = diff > ptr->pos_ ? ptr->pos_ + win->size_ : ptr->pos_; + window_size_t pos = diff > ptr->pos_ ? ptr->pos_ + win->size_ : ptr->pos_; pos -= diff; if(shifted == 1) @@ -170,7 +172,7 @@ int seq_win_check_and_add(seq_win_t* win, sender_id_t sender_id, seq_nr_t seq_nr return ret; } ptr = ptr->next_; - } + } if(!win->first_) { win->first_ = seq_win_new_element(sender_id, seq_nr, win->size_); if(!win->first_) @@ -184,7 +186,7 @@ int seq_win_check_and_add(seq_win_t* win, sender_id_t sender_id, seq_nr_t seq_nr if(!ptr->next_) return -2; } - + return 0; } @@ -204,7 +206,7 @@ void seq_win_print(seq_win_t* win) printf("O"); else printf("."); - + if(i) i--; else |