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42 lines
829 B
42 lines
829 B
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#include "tst.h"
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#include <stdio.h>
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#include <stdlib.h>
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struct tst *tst_init(int width)
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{
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struct tst *tst;
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struct node *current_node;
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int i;
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if((tst = (struct tst *) calloc(1, sizeof(struct tst))) == NULL)
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return NULL;
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if ((tst->node_lines = (struct node_lines *) calloc(1, sizeof(struct node_lines))) == NULL)
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{
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free(tst);
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return NULL;
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}
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tst->node_line_width = width;
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tst->node_lines->next = NULL;
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if ((tst->node_lines->node_line = (struct node *) calloc(width, sizeof(struct node))) == NULL)
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{
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free(tst->node_lines);
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free(tst);
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return NULL;
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}
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current_node = tst->node_lines->node_line;
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tst->free_list = current_node;
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for (i = 1; i < width; i++)
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{
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current_node->middle = &(tst->node_lines->node_line[i]);
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current_node = current_node->middle;
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}
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current_node->middle = NULL;
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return tst;
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}
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