Mark Radbourne / Mbed 2 deprecated iothub_client_sample_amqp

Demo using MBED TLS

Dependencies:   EthernetInterface NTPClient iothub_amqp_transport iothub_client mbed-rtos mbed

Fork of iothub_client_sample_amqp by Azure IoT

azure_c_shared_utility/doublylinkedlist.c@58:f50b97b08851, 2017-01-05 (annotated)

Committer:
markrad
Date:
Thu Jan 05 00:20:03 2017 +0000
Revision:
58:f50b97b08851
Sample using MBED TLS

Who changed what in which revision?

UserRevisionLine numberNew contents of line
markrad 58:f50b97b08851 1 // Copyright (c) Microsoft. All rights reserved.
markrad 58:f50b97b08851 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
markrad 58:f50b97b08851 3
markrad 58:f50b97b08851 4 #include <stdlib.h>
markrad 58:f50b97b08851 5 #ifdef _CRTDBG_MAP_ALLOC
markrad 58:f50b97b08851 6 #include <crtdbg.h>
markrad 58:f50b97b08851 7 #endif
markrad 58:f50b97b08851 8 #include "azure_c_shared_utility/doublylinkedlist.h"
markrad 58:f50b97b08851 9
markrad 58:f50b97b08851 10 void
markrad 58:f50b97b08851 11 DList_InitializeListHead(
markrad 58:f50b97b08851 12 PDLIST_ENTRY ListHead
markrad 58:f50b97b08851 13 )
markrad 58:f50b97b08851 14 {
markrad 58:f50b97b08851 15 /* Codes_SRS_DLIST_06_005: [DList_InitializeListHead will initialize the Flink & Blink to the address of the DLIST_ENTRY.] */
markrad 58:f50b97b08851 16 ListHead->Flink = ListHead->Blink = ListHead;
markrad 58:f50b97b08851 17 return;
markrad 58:f50b97b08851 18 }
markrad 58:f50b97b08851 19
markrad 58:f50b97b08851 20 int
markrad 58:f50b97b08851 21 DList_IsListEmpty(
markrad 58:f50b97b08851 22 const PDLIST_ENTRY ListHead
markrad 58:f50b97b08851 23 )
markrad 58:f50b97b08851 24 {
markrad 58:f50b97b08851 25 /* Codes_SRS_DLIST_06_003: [DList_IsListEmpty shall return a non-zero value if there are no DLIST_ENTRY's on this list other than the list head.] */
markrad 58:f50b97b08851 26 /* Codes_SRS_DLIST_06_004: [DList_IsListEmpty shall return 0 if there is one or more items in the list.] */
markrad 58:f50b97b08851 27 return (ListHead->Flink == ListHead);
markrad 58:f50b97b08851 28 }
markrad 58:f50b97b08851 29
markrad 58:f50b97b08851 30 int
markrad 58:f50b97b08851 31 DList_RemoveEntryList(
markrad 58:f50b97b08851 32 PDLIST_ENTRY Entry
markrad 58:f50b97b08851 33 )
markrad 58:f50b97b08851 34 {
markrad 58:f50b97b08851 35 /* Codes_SRS_DLIST_06_008: [DList_RemoveEntryList shall remove a listEntry from whatever list it is properly part of.] */
markrad 58:f50b97b08851 36 /* Codes_SRS_DLIST_06_009: [The remaining list is properly formed.] */
markrad 58:f50b97b08851 37 /* Codes_SRS_DLIST_06_010: [DList_RemoveEntryList shall return non-zero if the remaining list is empty.] */
markrad 58:f50b97b08851 38 /* Codes_SRS_DLIST_06_011: [DList_RemoveEntryList shall return zero if the remaining list is NOT empty.] */
markrad 58:f50b97b08851 39 PDLIST_ENTRY Blink;
markrad 58:f50b97b08851 40 PDLIST_ENTRY Flink;
markrad 58:f50b97b08851 41
markrad 58:f50b97b08851 42 Flink = Entry->Flink;
markrad 58:f50b97b08851 43 Blink = Entry->Blink;
markrad 58:f50b97b08851 44 Blink->Flink = Flink;
markrad 58:f50b97b08851 45 Flink->Blink = Blink;
markrad 58:f50b97b08851 46 return (Flink == Blink);
markrad 58:f50b97b08851 47 }
markrad 58:f50b97b08851 48
markrad 58:f50b97b08851 49 PDLIST_ENTRY
markrad 58:f50b97b08851 50 DList_RemoveHeadList(
markrad 58:f50b97b08851 51 PDLIST_ENTRY ListHead
markrad 58:f50b97b08851 52 )
markrad 58:f50b97b08851 53 {
markrad 58:f50b97b08851 54 /* Codes_SRS_DLIST_06_012: [DList_RemoveHeadList removes the oldest entry from the list defined by the listHead parameter and returns a pointer to that entry.] */
markrad 58:f50b97b08851 55 /* Codes_SRS_DLIST_06_013: [DList_RemoveHeadList shall return listHead if that's the only item in the list.] */
markrad 58:f50b97b08851 56
markrad 58:f50b97b08851 57 PDLIST_ENTRY Flink;
markrad 58:f50b97b08851 58 PDLIST_ENTRY Entry;
markrad 58:f50b97b08851 59
markrad 58:f50b97b08851 60 Entry = ListHead->Flink;
markrad 58:f50b97b08851 61 Flink = Entry->Flink;
markrad 58:f50b97b08851 62 ListHead->Flink = Flink;
markrad 58:f50b97b08851 63 Flink->Blink = ListHead;
markrad 58:f50b97b08851 64 return Entry;
markrad 58:f50b97b08851 65 }
markrad 58:f50b97b08851 66
markrad 58:f50b97b08851 67
markrad 58:f50b97b08851 68
markrad 58:f50b97b08851 69 void
markrad 58:f50b97b08851 70 DList_InsertTailList(
markrad 58:f50b97b08851 71 PDLIST_ENTRY ListHead,
markrad 58:f50b97b08851 72 PDLIST_ENTRY Entry
markrad 58:f50b97b08851 73 )
markrad 58:f50b97b08851 74 {
markrad 58:f50b97b08851 75 PDLIST_ENTRY Blink;
markrad 58:f50b97b08851 76
markrad 58:f50b97b08851 77 /* Codes_SRS_DLIST_06_006: [DListInsertTailList shall place the DLIST_ENTRY at the end of the list defined by the listHead parameter.] */
markrad 58:f50b97b08851 78 Blink = ListHead->Blink;
markrad 58:f50b97b08851 79 Entry->Flink = ListHead;
markrad 58:f50b97b08851 80 Entry->Blink = Blink;
markrad 58:f50b97b08851 81 Blink->Flink = Entry;
markrad 58:f50b97b08851 82 ListHead->Blink = Entry;
markrad 58:f50b97b08851 83 return;
markrad 58:f50b97b08851 84 }
markrad 58:f50b97b08851 85
markrad 58:f50b97b08851 86
markrad 58:f50b97b08851 87 void
markrad 58:f50b97b08851 88 DList_AppendTailList(
markrad 58:f50b97b08851 89 PDLIST_ENTRY ListHead,
markrad 58:f50b97b08851 90 PDLIST_ENTRY ListToAppend
markrad 58:f50b97b08851 91 )
markrad 58:f50b97b08851 92 {
markrad 58:f50b97b08851 93 /* Codes_SRS_DLIST_06_007: [DList_AppendTailList shall place the list defined by listToAppend at the end of the list defined by the listHead parameter.] */
markrad 58:f50b97b08851 94 PDLIST_ENTRY ListEnd = ListHead->Blink;
markrad 58:f50b97b08851 95
markrad 58:f50b97b08851 96 ListHead->Blink->Flink = ListToAppend;
markrad 58:f50b97b08851 97 ListHead->Blink = ListToAppend->Blink;
markrad 58:f50b97b08851 98 ListToAppend->Blink->Flink = ListHead;
markrad 58:f50b97b08851 99 ListToAppend->Blink = ListEnd;
markrad 58:f50b97b08851 100 return;
markrad 58:f50b97b08851 101 }
markrad 58:f50b97b08851 102
markrad 58:f50b97b08851 103
markrad 58:f50b97b08851 104 /*Codes_SRS_DLIST_02_002: [DList_InsertHeadList inserts a singular entry in the list having as head listHead after "head".]*/
markrad 58:f50b97b08851 105 void DList_InsertHeadList(PDLIST_ENTRY listHead, PDLIST_ENTRY entry)
markrad 58:f50b97b08851 106 {
markrad 58:f50b97b08851 107 entry->Blink = listHead;
markrad 58:f50b97b08851 108 entry->Flink = listHead->Flink;
markrad 58:f50b97b08851 109 listHead->Flink->Blink = entry;
markrad 58:f50b97b08851 110 listHead->Flink = entry;
markrad 58:f50b97b08851 111 }