#include "minesweeper.h" #include #include #include static void set_single_field(char **minefield, const size_t row, const size_t col) { if (minefield[row][col] == '*') return; const char c = minefield[row][col]; minefield[row][col] = (c == ' ') ? '1' : c + 1; } static void increment_neighbors(char **minefield, const size_t row_count, const size_t col_count, const size_t row, const size_t col) { const size_t from_row = row ? row - 1 : row; const size_t to_row = (row + 1 < row_count) ? row + 1 : row; const size_t from_col = col ? col - 1 : col; const size_t to_col = (col + 1 < col_count) ? col + 1 : col; for (size_t i = from_row; i <= to_row; i++) { for (size_t k = from_col; k <= to_col; k++) set_single_field(minefield, i, k); } } char **annotate(const char **minefield, const size_t rows) { if (minefield == NULL || *minefield == NULL || rows == 0) return NULL; const size_t cols = strlen(minefield[0]); char **annotated = malloc(sizeof(char *) * rows); if (annotated == NULL) { fprintf(stderr, "Memory error!\n"); return NULL; } char *all_rows = malloc(rows * (cols + 1)); if (all_rows == NULL) { fprintf(stderr, "Memory error!\n"); free(annotated); return NULL; } for (size_t i = 0; i < rows; i++) { annotated[i] = &all_rows[i * (cols + 1)]; strcpy(annotated[i], minefield[i]); } for (size_t i = 0; i < rows; i++) { for (size_t k = 0; k < cols; k++) { if (minefield[i][k] == '*') increment_neighbors(annotated, rows, cols, i, k); } } return annotated; } void free_annotation(char **annotation) { free(annotation[0]); free(annotation); }