From 38e5501205573597c6b8ef92e56ca76141b8e792 Mon Sep 17 00:00:00 2001
From: Leo Tenenbaum <pommicket@gmail.com>
Date: Wed, 28 Aug 2019 15:35:48 -0400
Subject: Improved types (now gives error when you annotate the wrong type)

---
 util/str.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'util')

diff --git a/util/str.c b/util/str.c
index b05cc63..ac4fb26 100644
--- a/util/str.c
+++ b/util/str.c
@@ -6,13 +6,18 @@ destsz must be greater than 0.
 */
 size_t str_copy(char *dest, size_t destsz, const char *src) {
 	assert(destsz);
+	if (!*src) {
+		*dest = 0;
+		return 0;
+	}
 	for (size_t i = 0; i < destsz-1; i++) {
+		*dest = *src;
 		if (!*src) {
 			*dest = 0;
 			return i;
 		}
-		*dest++ = *src++;
+		src++; dest++;
 	}
-	dest[destsz] = 0;
+	dest[destsz-1] = 0;
 	return destsz-1;
 }
-- 
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