From 9d01e221783e7706fd1d3dadfc8a7f678004929c Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Sun, 30 Jan 2005 16:34:12 +0000
Subject: add errors file

---
 src/cmd/acme/util.c | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

(limited to 'src/cmd/acme/util.c')

diff --git a/src/cmd/acme/util.c b/src/cmd/acme/util.c
index f9387df5..c224cce5 100644
--- a/src/cmd/acme/util.c
+++ b/src/cmd/acme/util.c
@@ -129,6 +129,49 @@ errorwin(Mntdir *md, int owner)
 	return w;
 }
 
+/*
+ * Incoming window should be locked. 
+ * It will be unlocked and returned window
+ * will be locked in its place.
+ */
+Window*
+errorwinforwin(Window *w)
+{
+	int i, n, nincl, owner;
+	Rune **incl;
+	Runestr dir;
+	Text *t;
+
+	t = &w->body;
+	dir = dirname(t, nil, 0);
+	if(dir.nr==1 && dir.r[0]=='.'){	/* sigh */
+		free(dir.r);
+		dir.r = nil;
+		dir.nr = 0;
+	}
+	incl = nil;
+	nincl = w->nincl;
+	if(nincl > 0){
+		incl = emalloc(nincl*sizeof(Rune*));
+		for(i=0; i<nincl; i++){
+			n = runestrlen(w->incl[i]);
+			incl[i] = runemalloc(n+1);
+			runemove(incl[i], w->incl[i], n);
+		}
+	}
+	owner = w->owner;
+	winunlock(w);
+	for(;;){
+		w = errorwin1(dir.r, dir.nr, incl, nincl);
+		winlock(w, owner);
+		if(w->col != nil)
+			break;
+		/* window deleted too fast */
+		winunlock(w);
+	}
+	return w;
+}
+
 typedef struct Warning Warning;
 
 struct Warning{
-- 
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