advent2021

commit bdc50082a5c948ca6ce5e9835ea638a303d9b2bd
parent d6019316d35a75a2bbdb94fbb8d615c6fd8fd08b
Author: bsandro <brian.drosan@gmail.com>
Date:   Wed, 15 Dec 2021 02:43:41 +0200

strlcat/strlcpy -> strncpy (portability effort)

Diffstat:
M
day14/puzzle.c
 | 
5
+++--

1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/day14/puzzle.c b/day14/puzzle.c
@@ -64,7 +64,8 @@ void puzzle(const char *filename, unsigned long long *result1, unsigned long lon
 			assert(str == NULL);
 			size_t len = strlen(buf);
 			str = malloc(len);
-			strlcat(str, buf, len); // losing last symbol \n
+			bzero(str, len);
+			strncpy(str, buf, len-1); // losing last symbol \n
 		}
 		++line_num;
 		bzero(buf, STR_LEN);
@@ -210,7 +211,7 @@ long long parse_rule(struct array_t *rules, const char *str) {
 			assert(n < 2);
 			if (n == 0) {
 				assert(strlen(token) == 2);
-				strlcpy(rule.name, token, 3);
+				strncpy(rule.name, token, 3);
 				rule.score = rule.name[0] * 1000 + rule.name[1];
 			} else {
 				assert(strlen(token) == 1);