[PATCH 1/5] Add S_IFINVALID mode

S_IFINVALID is used to signal, that no mode information is available.

Signed-off-by: Martin Koegler <redacted>
---
If somebody thinks, that S_IFINVALID should have an different impossible value, 
please feel free to change it.

 cache.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/cache.h b/cache.h
index 53c2341..d425c26 100644
--- a/cache.h
+++ b/cache.h

@@ -24,6 +24,9 @@
 #define DTYPE(de)	DT_UNKNOWN
 #endif
 
+/* unknown mode (impossible combination S_IFIFO|S_IFCHR) */
+#define S_IFINVALID     0030000
+
 /*
  * Intensive research over the course of many years has shown that
  * port 9418 is totally unused by anything else. Or

-- 
1.5.1.1.206.g4a12-dirty