partial path_simplify implementation

it currently only checks if the path is valid, it's the bare minimum
needed to write tests

1 files changed, 11 insertions, 0 deletions

diff --git a/src/kernel/vfs/path.h b/src/kernel/vfs/path.h
new file mode 100644
index 0000000..22dc754
--- /dev/null
+++ b/src/kernel/vfs/path.h
@@ -0,0 +1,11 @@
+#pragma once
+#include <stdbool.h>
+#include <stddef.h>
+
+/** Reduce a path to its simplest form.
+ * *in and *out can't overlap unless they're equal. Then, the path is modified
+ * in-place.
+ *
+ * @return Was the path valid? If this is false, *out is undefined
+ */
+bool path_simplify(const char *in, char *out, size_t len);