# HG changeset patch
# User Erik Quanstrom <quanstro@quanstro.net>
# Date 1329519108 0
# Node ID 00051c3d3125358716d3de95381f18231ce15cbf
# Parent  d5c3a985ece44b36bd0bb86aeae6c0400e1666f4
runes: use UTFmax as the maximum number of bytes per rune

use the symbolic constant UTFmax as the maximum number of
bytes per rune, rather than "3".

R=nixiedev, nemo, john
CC=nix-dev
http://codereview.appspot.com/5672064

Committer: John Floren <john@jfloren.net>

diff -r d5c3a985ece4 -r 00051c3d3125 sys/src/nix/port/chan.c
--- a/sys/src/nix/port/chan.c	Fri Feb 17 22:36:42 2012 +0000
+++ b/sys/src/nix/port/chan.c	Fri Feb 17 22:51:48 2012 +0000
@@ -1171,7 +1171,7 @@
 			if(name <= aname)
 				panic("bad math in namelenerror");
 			/* walk out of current UTF sequence */
-			for(i=0; (*name&0xC0)==0x80 && i<3; i++)
+			for(i=0; (*name&0xC0)==0x80 && i<UTFmax; i++)
 				name++;
 		}
 		snprint(up->genbuf, sizeof up->genbuf, "...%.*s",
diff -r d5c3a985ece4 -r 00051c3d3125 sys/src/nix/port/dev.c
--- a/sys/src/nix/port/dev.c	Fri Feb 17 22:36:42 2012 +0000
+++ b/sys/src/nix/port/dev.c	Fri Feb 17 22:51:48 2012 +0000
@@ -131,7 +131,7 @@
 	c->dev = devtabget(dc, 0);
 	if(spec == nil)
 		spec = "";
-	buf = smalloc(4+strlen(spec)+1);
+	buf = smalloc(1+UTFmax+strlen(spec)+1);
 	sprint(buf, "#%C%s", dc, spec);
 	c->path = newpath(buf);
 	free(buf);