Linked list initial implementation
modified: src/nms.c
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parent
d0bec878b3
commit
238c8095e2
80
src/nms.c
80
src/nms.c
@ -3,6 +3,7 @@
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#include <stdlib.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <stdbool.h>
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#define SPACE 040
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#define NEWLINE 012
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@ -12,24 +13,81 @@ int getTermSizeCols(void);
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void clearTermWindow(int, int);
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int main(void) {
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struct winpos {
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char source;
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int row;
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int col;
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struct winpos *next;
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};
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struct winpos start;
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struct winpos *list_pointer = &start;
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struct winpos *temp; // Used for free()ing the list
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int termSizeRows = getTermSizeRows();
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int termSizeCols = getTermSizeCols();
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char *inputBuffer;
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// Geting input
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int c, x = 1, y = 1;
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bool first = true;
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while ((c = getchar()) != EOF) {
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switch (c) {
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case '\n':
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++y;
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x = 1;
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break;
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case ' ':
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case '\t':
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case '\f':
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case '\r':
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case '\v':
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++x;
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break;
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default:
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if (first) {
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start.source = c;
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start.row = y;
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start.col = x;
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start.next = (struct winpos *) 0;
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first = false;
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++x;
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} else {
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// Allocate space for the new struct in our linked list
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// and point *next to it.
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list_pointer->next = malloc(sizeof(struct winpos));
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// Now let's point list_pointer to the next structure
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// and populate it.
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list_pointer = list_pointer->next;
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list_pointer->source = c;
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list_pointer->row = y;
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list_pointer->col = x;
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list_pointer->next = (struct winpos *) 0;
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++x;
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}
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break;
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}
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}
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clearTermWindow(termSizeRows, termSizeCols);
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// Geting input
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int c, i = 0;
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while ((c = getchar()) != EOF) {
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inputBuffer = realloc(inputBuffer, sizeof(char) * (i + 2));
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inputBuffer[i] = c;
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++i;
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list_pointer = &start;
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while (list_pointer != (struct winpos *) 0) {
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printf("row: %i, ", list_pointer->row);
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printf("col: %i, ", list_pointer->col);
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printf("char: %c\n", list_pointer->source);
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list_pointer = list_pointer->next;
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}
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inputBuffer[i] = '\0';
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printf("%s", inputBuffer);
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free(inputBuffer);
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// Freeing the list. Starting with the second list item because
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// the first one was not created with malloc
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list_pointer = start.next;
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while (list_pointer != (struct winpos *) 0) {
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temp = list_pointer;
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list_pointer = list_pointer->next;
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free(temp);
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}
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return 0;
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}
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