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69 lines
970 B
69 lines
970 B
#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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typedef struct {
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char *name;
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int left, right, up, down;
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} direction_s;
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void this_row(direction_s d);
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void draw_box(direction_s d);
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int main() {
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direction_s D = {.name = "left", .left = 1};
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draw_box(D);
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// name is first, so we can omit label
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D = (direction_s) {"upper right", .up = 1, .right = 1};
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draw_box(D);
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// all struct elements set to zero
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draw_box((direction_s){});
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}
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void this_row(direction_s d) {
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char s[] = ".*.\n";
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if(d.left) {
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strlcpy(s, "*..\n", sizeof(s));
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} else if(d.right) {
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strlcpy(s, "..*\n", sizeof(s));
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}
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printf("%s", s);
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}
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void draw_box(direction_s d) {
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printf("%s:\n", (d.name ? d.name : "a box"));
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if(d.up) {
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this_row(d);
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} else {
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printf("...\n");
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}
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if(!d.up && !d.down) {
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this_row(d);
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} else {
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printf("...\n");
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}
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if(d.down) {
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this_row(d);
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} else {
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printf("...\n");
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}
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printf("\n");
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}
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