Call abort() only when debugging is enabled.

diff --git a/utcp.c b/utcp.c
index 21fbea6c4eea4df28380098bdff43edb33441775..d49c4ddcce2cfbf5822efb899b49b4cd186419c4 100644 (file)
--- a/utcp.c
+++ b/utcp.c
@@ -501,7 +501,10 @@ static void retransmit(struct utcp_connection *c) {
 
                default:
                        // TODO: implement
+#ifdef UTCP_DEBUG
                        abort();
+#endif
+                       break;
        }
 
        free(pkt);
@@ -623,7 +626,10 @@ ssize_t utcp_recv(struct utcp *utcp, const void *data, size_t len) {
        case TIME_WAIT:
                break;
        default:
+#ifdef UTCP_DEBUG
                abort();
+#endif
+               break;
        }
 
        // 1b. Drop packets with a sequence number not in our receive window.
@@ -723,7 +729,10 @@ ssize_t utcp_recv(struct utcp *utcp, const void *data, size_t len) {
                        set_state(c, CLOSED);
                        return 0;
                default:
+#ifdef UTCP_DEBUG
                        abort();
+#endif
+                       break;
                }
        }
 
@@ -822,7 +831,10 @@ ssize_t utcp_recv(struct utcp *utcp, const void *data, size_t len) {
                        // Ehm, no. We should never receive a second SYN.
                        goto reset;
                default:
+#ifdef UTCP_DEBUG
                        abort();
+#endif
+                       return 0;
                }
 
                // SYN counts as one sequence number
@@ -852,7 +864,10 @@ ssize_t utcp_recv(struct utcp *utcp, const void *data, size_t len) {
                case SYN_SENT:
                case SYN_RECEIVED:
                        // This should never happen.
+#ifdef UTCP_DEBUG
                        abort();
+#endif
+                       return 0;
                case ESTABLISHED:
                case FIN_WAIT_1:
                case FIN_WAIT_2:
@@ -864,7 +879,10 @@ ssize_t utcp_recv(struct utcp *utcp, const void *data, size_t len) {
                        // Ehm no, We should never receive more data after a FIN.
                        goto reset;
                default:
+#ifdef UTCP_DEBUG
                        abort();
+#endif
+                       return 0;
                }
 
                ssize_t rxd;
@@ -893,7 +911,10 @@ ssize_t utcp_recv(struct utcp *utcp, const void *data, size_t len) {
                case SYN_SENT:
                case SYN_RECEIVED:
                        // This should never happen.
+#ifdef UTCP_DEBUG
                        abort();
+#endif
+                       break;
                case ESTABLISHED:
                        set_state(c, CLOSE_WAIT);
                        break;
@@ -912,7 +933,10 @@ ssize_t utcp_recv(struct utcp *utcp, const void *data, size_t len) {
                        // Ehm, no. We should never receive a second FIN.
                        goto reset;
                default:
+#ifdef UTCP_DEBUG
                        abort();
+#endif
+                       break;
                }
 
                // FIN counts as one sequence number