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#include <stbool.h>
#include <stdio.h>
#include <stdlib.h>
#include "aocutils.h"
struct TextGrid {
unsigned rows, cols;
char *data; // may have '\n' at end of rows
};
bool TGvalid(struct TextGrid *tg, unsigned row, unsigned col) {
if (row >= tg->rows) return false;
if (col >= tg->cols) return false;
return true;
}
char *TGcharptr(struct TextGrid *tg, unsigned row, unsigned col) {
if (row >= tg->rows) return NULL;
if (col >= tg->cols) return NULL;
return data + (row * tg->cols) + col;
}
// TODO: rewrite this shit
size_t linearize2d(unsigned width, unsigned row, unsigned col) {
return (row * width) + col;
}
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#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include "aocutils.h"
bool TGvalid(struct TextGrid *tg, unsigned row, unsigned col) {
if (row >= tg->rows) return false;
if (col >= tg->cols) return false;
return true;
}
char *TGcharptr(struct TextGrid *tg, unsigned row, unsigned col) {
if (!TGvalid(tg, row, col)) return NULL;
return tg->data + (row * tg->cols) + col;
}
// TODO: rewrite this shit
size_t linearize2d(unsigned width, unsigned row, unsigned col) {
return (row * width) + col;
}
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