add some qid type checking

Reference: /n/atom/patch/applied/fossilqidtype
Date: Fri Mar  7 18:01:52 CET 2014
Signed-off-by: quanstro@quanstro.net

--- /sys/src/cmd/fossil/file.c	Fri Mar  7 18:01:42 2014
+++ /sys/src/cmd/fossil/file.c	Fri Mar  7 18:01:43 2014
@@ -961,6 +961,24 @@
 }
 
 int
+fileIsAppend(File *f)
+{
+	return (f->dir.mode & ModeAppend) != 0;
+}
+
+int
+fileIsExclusive(File *f)
+{
+	return (f->dir.mode & ModeExclusive) != 0;
+}
+
+int
+fileIsTemporary(File *f)
+{
+	return (f->dir.mode & ModeTemporary) != 0;
+}
+
+int
 fileIsRoot(File *f)
 {
 	return f == f->fs->file;
--- /sys/src/cmd/fossil/fs.h	Fri Mar  7 18:01:44 2014
+++ /sys/src/cmd/fossil/fs.h	Fri Mar  7 18:01:45 2014
@@ -45,6 +45,9 @@
 int	fileGetSize(File*, uvlong*);
 File	*fileIncRef(File*);
 int	fileIsDir(File*);
+int	fileIsTemporary(File*);
+int	fileIsAppend(File*);
+int	fileIsExclusive(File*);
 int	fileIsRoFs(File*);
 int	fileIsRoot(File*);
 int	fileMapBlock(File*, ulong, uchar[VtScoreSize], ulong);
--- /sys/src/cmd/fossil/9p.c	Fri Mar  7 18:01:47 2014
+++ /sys/src/cmd/fossil/9p.c	Fri Mar  7 18:01:48 2014
@@ -867,6 +867,12 @@
 		qid.type = QTFILE;
 		if(fileIsDir(file))
 			qid.type = QTDIR;
+		if(fileIsAppend(file))
+			qid.type |= QTAPPEND;
+		if(fileIsTemporary(file))
+			qid.type |= QTTMP;
+		if(fileIsExclusive(file))
+			qid.type |= QTEXCL;
 		qid.vers = fileGetMcount(file);
 		qid.path = fileGetId(file);
 		r->wqid[r->nwqid++] = qid;