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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4.  
  5. #define BUFFER_SIZE 256
  6.  
  7. struct Node
  8. {
  9. 	char line[BUFFER_SIZE];
  10. 	struct Node* next;
  11. 	struct Node* prev;
  12. };
  13.  
  14. struct List
  15. {
  16. 	struct Node* head;
  17. 	struct Node* tail;
  18. 	size_t size;
  19. };
  20.  
  21. struct Node* createNode(const char line[BUFFER_SIZE], struct Node* parentNode)
  22. {
  23. 	struct Node* node = malloc(sizeof(struct Node));
  24.  
  25. 	strcpy(node->line, line);
  26. 	node->next = NULL;
  27. 	node->prev = parentNode;
  28.  
  29. 	if(parentNode != NULL)
  30. 	{
  31. 		parentNode->next = node;
  32. 	}
  33.  
  34. 	return node;
  35. }
  36.  
  37. void addLineToList(struct List* list, const char line[BUFFER_SIZE])
  38. {
  39. 	list->tail = (list->head == NULL) ? list->head = createNode(line, NULL) : createNode(line, list->tail);
  40. 	++list->size;
  41. }
  42.  
  43. void printList(struct List* list)
  44. {
  45. 	struct Node* node = list->head;
  46.  
  47. 	printf("Lines: %u\n", list->size);
  48.  
  49. 	while(node)
  50. 	{
  51. 		printf("Line: %s", node->line);
  52. 		node = node->next;
  53. 	}
  54. }
  55.  
  56. void deleteList(struct List* list)
  57. {
  58. 	struct Node* node = list->tail;
  59.  
  60. 	while(node)
  61. 	{
  62. 		struct Node* prevNode = node->prev;
  63.  
  64. 		free(node);
  65. 		node = prevNode;
  66. 	}
  67. }
  68.  
  69. void addLinesToList(struct List* list, FILE* file)
  70. {
  71. 	char text[BUFFER_SIZE];
  72.  
  73. 	while(fgets(text, BUFFER_SIZE, file) != NULL)
  74. 	{
  75. 		addLineToList(list, text);
  76. 	}
  77. }
  78.  
  79. int main()
  80. {
  81. 	struct List lineList = { NULL, NULL, 0u };
  82.  
  83. 	//addLinesToList(&lineList, fopen("data.txt", "r"));
  84. 	addLinesToList(&lineList, stdin);
  85. 	printList(&lineList);
  86. 	deleteList(&lineList);
  87.  
  88. 	return 0;
  89. }
Success #stdin #stdout 0s 2144KB
comments (?)
stdin
copy 
ala
ma
kota
a
kot
ma
ale
: )
stdout
copy 
Lines: 8
Line: ala
Line: ma
Line: kota
Line: a
Line: kot
Line: ma
Line: ale
Line: : )
https://ideone.com/A4oAoZ
language:
C (gcc 8.3)
created:
8 years ago
visibility:
secret

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