fix utf and rune handling in preparation for 32bit runes

2 files changed, 2 insertions, 2 deletions

diff --git a/sys/src/libbio/bgetrune.c b/sys/src/libbio/bgetrune.c
index 3ba90384e..467b1ba4a 100644
--- a/sys/src/libbio/bgetrune.c
+++ b/sys/src/libbio/bgetrune.c
@@ -7,7 +7,7 @@ Bgetrune(Biobufhdr *bp)
 {
 	int c, i;
 	Rune rune;
-	char str[4];
+	char str[UTFmax];
 
 	c = Bgetc(bp);
 	if(c < Runeself) {		/* one char */
diff --git a/sys/src/libbio/bputrune.c b/sys/src/libbio/bputrune.c
index 2a625bd9a..efc4672e6 100644
--- a/sys/src/libbio/bputrune.c
+++ b/sys/src/libbio/bputrune.c
@@ -6,7 +6,7 @@ int
 Bputrune(Biobufhdr *bp, long c)
 {
 	Rune rune;
-	char str[4];
+	char str[UTFmax];
 	int n;
 
 	rune = c;