utils-std

commit: 6857c6eb4de23c2ff611b7030aa2bb9cf6f67d21
parent 3b8a24e0fddbe3cc11e55917d2659542c2c0409e
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Mon, 23 Sep 2024 05:38:39 +0200

lib/tr_str: make sure reallocarray isn't passed zero

Diffstat:
M
lib/tr_str.c
16
++++++++--------

1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/lib/tr_str.c b/lib/tr_str.c
@@ -185,19 +185,19 @@ genclass(STR *s)
 	 */
 	if(cp->set == NULL)
 	{
-		cp->set = reallocarray(NULL, NCHARS + 1, sizeof(*cp->set));
+		len = NCHARS + 1;
+		assert(len != 0);
+		cp->set = reallocarray(NULL, len, sizeof(*cp->set));
 		if(cp->set == NULL) err(1, NULL);
+
 		len = 0;
 		for(i = 0; i < NCHARS; i++)
 		{
-			if(cp->func(i))
-			{
-				cp->set[len] = i;
-				len++;
-			}
+			if(cp->func(i)) cp->set[len++] = i;
 		}
-		cp->set[len] = OOBCH;
-		len++;
+		cp->set[len++] = OOBCH;
+
+		assert(len != 0);
 		cp->set = reallocarray(cp->set, len, sizeof(*cp->set));
 		if(cp->set == NULL) err(1, NULL);
 	}