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authorRichard Jones <rjones@redhat.com>2009-04-19 12:41:35 +0100
committerRichard Jones <rjones@redhat.com>2009-04-19 12:41:35 +0100
commitd73a4f097f96e7246718671b0a85cb94f0d3a88f (patch)
tree78c4a98fe90cb0c8cdff924a8fd5aa551ec5c94f /daemon/daemon.h
parent749708a7ec8930c34605ec58c18fefe0ed8e7981 (diff)
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Implement NEED_ROOT_OR_IS_DEVICE macro.
Diffstat (limited to 'daemon/daemon.h')
-rw-r--r--daemon/daemon.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/daemon/daemon.h b/daemon/daemon.h
index f18e2d49..b2b81523 100644
--- a/daemon/daemon.h
+++ b/daemon/daemon.h
@@ -114,6 +114,19 @@ extern void reply (xdrproc_t xdrp, char *ret);
} \
} while (0)
+/* Helper for functions which need either an absolute path in the
+ * mounted filesystem, OR a /dev/ device which exists.
+ */
+#define NEED_ROOT_OR_IS_DEVICE(path,errcode) \
+ do { \
+ if (strncmp ((path), "/dev/", 5) == 0) \
+ IS_DEVICE ((path),(errcode)); \
+ else { \
+ NEED_ROOT ((path),(errcode)); \
+ ABS_PATH ((path),(errcode)); \
+ } \
+ } while (0)
+
/* NB:
* (1) You must match CHROOT_IN and CHROOT_OUT even along error paths.
* (2) You must not change directory! cwd must always be "/", otherwise