X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=05a.c;h=8a2e9f1a40b49f0aa9c55fd7aefe963425149d08;hb=a622aa41088ddf29d38c50e2032ca84984b0e12b;hp=cdebe3838e38401e36f1996044399976dc9f6873;hpb=464433396dbb86c54b50aefa08b4ec188d82c609;p=advent21.git

diff --git a/05a.c b/05a.c
index cdebe38..8a2e9f1 100644
--- a/05a.c
+++ b/05a.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdint.h>
 #include <uthash.h>
 
 #define SWAP(x, y) { x ^= y; y ^= x; x ^= y; }
@@ -9,13 +10,16 @@ struct entry { struct point key; int i; UT_hash_handle hh; };
 void mark_point(int x, int y, struct entry **entries, int *r)
 {
 	struct entry *p;
-	struct point s = { .x=x, .y=y };
+	struct point s;
+	memset(&s, 0, sizeof s);
+	s.x = x;
+	s.y = y;
 	HASH_FIND(hh, *entries, &s, sizeof(struct point), p);
 	if (p) {
 		if (p->i++ == 1)
 			*r = *r+1;
 	} else {
-		p = malloc(sizeof(struct entry));
+		p = calloc(1, sizeof(struct entry));
 		p->key = s;
 		p->i = 1;
 		HASH_ADD(hh, *entries, key, sizeof(struct point), p);