Linked list _Alpha
"linked list.h"
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | #ifndef _LINKED_LIST_ #define _LINKED_LIST_ struct List_Node_Type { int data; struct List_Node_Type* Pointer_Link; }; struct Linked_List_Type { int Current_Element_Count; struct List_Node_Type Header_Node; }; struct Linked_List_Type* Create_Linked_List(void); int Add_Linked_List_Element(struct Linked_List_Type* Pointer_List, int position, struct List_Node_Type element); int Remove_Linked_List_Element(struct Linked_List_Type* Pointer_List, int position); struct List_Node_Type* Get_Linked_List_Element(struct Linked_List_Type* Pointer_List, int position); void Clear_Linked_List(struct Linked_List_Type* Pointer_List); int Get_Linked_List_Length(struct Linked_List_Type* Pointer_List); void Delete_Linked_List(struct Linked_List_Type* Pointer_List); #endif // !_LINKED_LIST_ #ifndef _COMMON_LIST_DEFAULT_ #define _COMMON_LIST_DEFAULT_ #define TRUE 1 #define FALSE 0 #endif // !_COMMON_LIST_DEFAULT_ | cs |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | #include <stdio.h> #include <stdlib.h> #include <string.h> #include "linked list.h" struct Linked_List_Type* Create_Linked_List(void) { struct Linked_List_Type* Pointer_Return = NULL; Pointer_Return = (struct Linked_List_Type*) malloc(1 * sizeof(struct Linked_List_Type)); if (!(struct Linked_List_Type*)Pointer_Return) { printf("Error! The dynamic memory allocation was failed. Create_Linked_List()\n"); return NULL; } (void*)memset((struct Linked_List_Type*)Pointer_Return, 0, 1 * sizeof(struct Linked_List_Type)); return (struct Linked_List_Type*)Pointer_Return; } int Add_Linked_List_Element(struct Linked_List_Type* Pointer_List, int position, struct List_Node_Type element) { if (!(struct Linked_List_Type*)Pointer_List) { printf("Error! The list was null. Add_Linked_List_Element()\n"); return FALSE; } if (!(position >= 0 && position <= Pointer_List->Current_Element_Count)) { printf("Error! The list position exceeded tolerance. Index number : [%d] Add_Linked_List_Element()\n", position); return FALSE; } struct List_Node_Type* Pointer_New_Node = NULL; Pointer_New_Node = (struct List_Node_Type*) malloc(1 * sizeof(struct List_Node_Type)); if (!(struct List_Node_Type*)Pointer_New_Node) { printf("Error! The dynamic memory allocation was failed. Add_Linked_List_Element()\n"); return FALSE; } *Pointer_New_Node = *(struct List_Node_Type*) &element; Pointer_New_Node->Pointer_Link = NULL; struct List_Node_Type* Pointer_Previous_Node = NULL; Pointer_Previous_Node = (struct List_Node_Type*) &Pointer_List->Header_Node; int index = 0; for (index = 0; index < position; index++) { Pointer_Previous_Node = (struct List_Node_Type*)Pointer_Previous_Node->Pointer_Link; } Pointer_New_Node->Pointer_Link = (struct List_Node_Type*)Pointer_Previous_Node->Pointer_Link; Pointer_Previous_Node->Pointer_Link = (struct List_Node_Type*)Pointer_New_Node; Pointer_List->Current_Element_Count++; return TRUE; } int Remove_Linked_List_Element(struct Linked_List_Type* Pointer_List, int position) { if (!(struct Linked_List_Type*)Pointer_List) { printf("Error! The list was null. Remove_Linked_List_Element()\n"); return FALSE; } if (!(position >= 0 && position < Get_Linked_List_Length((struct Linked_List_Type*)Pointer_List))) { printf("Error! The list position exceeded tolerance. Index number : [%d] Remove_Linked_List_Element()\n", position); return FALSE; } struct List_Node_Type* Pointer_Node = NULL; Pointer_Node = (struct List_Node_Type*) &Pointer_List->Header_Node; int index = 0; for (index = 0; index < position; index++) { Pointer_Node = (struct List_Node_Type*)Pointer_Node->Pointer_Link; } struct List_Node_Type* Pointer_Delete_Node = NULL; Pointer_Delete_Node = (struct List_Node_Type*) Pointer_Node->Pointer_Link; Pointer_Node->Pointer_Link = (struct List_Node_Type*)Pointer_Delete_Node->Pointer_Link; free((struct List_Node_Type*)Pointer_Delete_Node); Pointer_List->Current_Element_Count--; return TRUE; } struct List_Node_Type* Get_Linked_List_Element(struct Linked_List_Type* Pointer_List, int position) { if (!(struct Linked_List_Type*)Pointer_List) { printf("Error! The list was null. Get_Linked_List_Element()\n"); return NULL; } if (!(position >= 0 && position < Pointer_List->Current_Element_Count)) { printf("Error! The list exceeded tolerance. Get_Linked_List_Element()\n"); return NULL; } struct List_Node_Type* Pointer_Node = NULL; Pointer_Node = (struct List_Node_Type*) &Pointer_List->Header_Node; int index = 0; for (index = 0; index <= position; index++) { Pointer_Node = (struct List_Node_Type*)Pointer_Node->Pointer_Link; } struct List_Node_Type* Pointer_Return = (struct List_Node_Type*)Pointer_Node; return (struct List_Node_Type*)Pointer_Return; } void Delete_Linked_List(struct Linked_List_Type* Pointer_List) { if (!(struct Linked_List_Type*)Pointer_List) { printf("Error! The list was null. Delete_Linked_List()\n"); return; } Clear_Linked_List((struct Linked_List_Type*)Pointer_List); free((struct Likned_List_Type*)Pointer_List); return; } void Clear_Linked_List(struct Linked_List_Type* Pointer_List) { if (!(struct Linked_List_Type*)Pointer_List) return; if (!(Pointer_List->Current_Element_Count > 0)) return; while (Pointer_List->Current_Element_Count) { Remove_Linked_List_Element((struct Linked_List_Type*)Pointer_List, 0); } return; } int Get_Linked_List_Length(struct Linked_List_Type* Pointer_List) { if (!(struct Linked_List_Type*)Pointer_List) return 0; return (int)Pointer_List->Current_Element_Count; } int Is_Empty(struct Linked_List_Type* Pointer_List) { if (!(struct Linked_List_Type*)Pointer_List) return FALSE; if (!(Pointer_List->Current_Element_Count == 0)) return TRUE; return FALSE; } | cs |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | #include <stdio.h> #include <stdlib.h> #include "linked list.h" void Display_Linked_List(struct Linked_List_Type* Pointer_List); int main(int argc, char** argv) { typedef struct Linked_List_Type Linked_List; typedef struct List_Node_Type List_Node; Linked_List* Pointer_List = Create_Linked_List(); if (!(Linked_List*)Pointer_List) return -1; List_Node node; int loop = 0, increase = 1; for (loop = 0; loop < 10; loop++) { node.data = increase++; Add_Linked_List_Element((Linked_List*)Pointer_List, loop, node); } Display_Linked_List((Linked_List*)Pointer_List); Remove_Linked_List_Element((Linked_List*)Pointer_List, 0); Display_Linked_List((Linked_List*)Pointer_List); Delete_Linked_List((Linked_List*)Pointer_List); system("pause"); return 0; } void Display_Linked_List(struct Linked_List_Type* Pointer_List) { if (!(struct Linked_List_Type*) Pointer_List) { printf("Error! The list was null. Display_Linked_List()\n"); return; } printf("Current element count : %d\n", Pointer_List->Current_Element_Count); int index = 0; for (index = 0; index < Pointer_List->Current_Element_Count; index++) { printf("[%d], %d\n", index, Get_Linked_List_Element((struct Linked_List_Type*)Pointer_List, index)->data); } return; } | cs |
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