X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fpaths.h;fp=discover%2Fpaths.h;h=26d4ce41eb2a946c8bc9f13b5e5ba7b60637f4a6;hp=0000000000000000000000000000000000000000;hb=32e6a41f33e5576716b351bd473a27939fe94fa1;hpb=000a92b4fa909c432732ac3ed8f28eeeaeac70ee

diff --git a/discover/paths.h b/discover/paths.h
new file mode 100644
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--- /dev/null
+++ b/discover/paths.h
@@ -0,0 +1,53 @@
+#ifndef PATHS_H
+#define PATHS_H
+
+/**
+ * Given a string (eg /dev/sda1, sda1 or UUID=B8E53381CA9EA0E3), parse the
+ * device path (eg /dev/sda1). Any device descriptions read from config files
+ * should be parsed into the path first.
+ *
+ * The cur_dev is provided for some remapping situations. If NULL is provided,
+ * no remapping will be done.
+ *
+ * Returns a newly-allocated string.
+ */
+char *parse_device_path(const char *dev_str, const char *current_device);
+
+/**
+ * Get the mountpoint for a device.
+ */
+const char *mountpoint_for_device(const char *dev);
+
+/**
+ * Resolve a path given in a config file, to a path in the local filesystem.
+ * Paths may be of the form:
+ *  device:path (eg /dev/sda:/boot/vmlinux)
+ *
+ * or just a path:
+ *  /boot/vmlinux
+ * - in this case, the current mountpoint is used.
+ *
+ * Returns a newly-allocated string containing a full path to the file in path
+ */
+char *resolve_path(const char *path, const char *current_device);
+
+
+/**
+ * Set the base directory for newly-created mountpoints
+ */
+void set_mount_base(const char *path);
+
+/**
+ * Utility function for joining two paths. Adds a / between a and b if
+ * required.
+ *
+ * Returns a newly-allocated string.
+ */
+char *join_paths(const char *a, const char *b);
+
+/**
+ * encode a disk label (or uuid) for use in a symlink.
+ */
+char *encode_label(const char *label);
+
+#endif /* PATHS_H */