From 951fef52c99ad174f9cfb413ba7fd831d1ee5e4b Mon Sep 17 00:00:00 2001
From: Akshat Kumar <seed@mail.nanosouffle.net>
Date: Fri, 6 Sep 2013 16:10:26 -0400
Subject: mailfs: allow spaces in box name

Mail services (such as Google Mail) will often have
directories with names that contain spaces. Acme
does not support spaces in window names. So, replace
spaces in mail directory names with the Unicode
character for visible space.

The code is a bit of an over-approximation and
generally non-optimal.

R=rsc, david.ducolombier, 0intro
CC=plan9port.codebot
https://codereview.appspot.com/13010048
---
 src/cmd/acme/mail/win.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'src/cmd/acme/mail/win.c')

diff --git a/src/cmd/acme/mail/win.c b/src/cmd/acme/mail/win.c
index db3bd73c..84c9cee0 100644
--- a/src/cmd/acme/mail/win.c
+++ b/src/cmd/acme/mail/win.c
@@ -105,7 +105,22 @@ wintagwrite(Window *w, char *s, int n)
 void
 winname(Window *w, char *s)
 {
-	ctlprint(w->ctl, "name %s\n", s);
+	int len;
+	char *ns, *sp;
+	Rune r = L'␣';	/* visible space */
+
+	len = 0;
+	ns = emalloc(strlen(s)*runelen(r) + 1);
+	for(sp = s; *sp != '\0'; sp++, len++){
+		if(isspace(*sp)){
+			len += runetochar(ns+len, &r)-1;
+			continue;
+		}
+		*(ns+len) = *sp;
+	}
+	ctlprint(w->ctl, "name %s\n", ns);
+	free(ns);
+	return;
 }
 
 void
-- 
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