1 files changed, 41 insertions, 0 deletions
diff --git a/filesystem.h b/filesystem.h
new file mode 100644
index 0000000..6325bd7
--- /dev/null
+++ b/filesystem.h
@@ -0,0 +1,41 @@
+#ifndef FILESYSTEM_H_
+#define FILESYSTEM_H_
+
+typedef enum {
+	FS_NON_EXISTENT,
+	FS_FILE,
+	FS_DIRECTORY,
+	FS_OTHER
+} FsType;
+
+enum {
+	FS_PERMISSION_READ = 0x01,
+	FS_PERMISSION_WRITE = 0x02,
+};
+typedef u8 FsPermission;
+
+// returns what kind of thing this is.
+FsType fs_path_type(char const *path);
+FsPermission fs_path_permission(char const *path);
+// Does this file exist? Returns false for directories.
+bool fs_file_exists(char const *path);
+// Returns a NULL-terminated array of the files/directories in this directory, or NULL if the directory does not exist.
+// When you're done with the file names, call free on each one, then on the array.
+// NOTE: The files aren't returned in any particular order!
+char **fs_list_directory(char const *dirname);
+// Create the directory specified by `path`
+// Returns:
+// 1  if the directory was created successfully
+// 0  if the directory already exists
+// -1 if the path already exists, but it's not a directory, or if there's another error (e.g. don't have permission to create directory).
+int fs_mkdir(char const *path);
+// Puts the current working directory into buf, including a null-terminator, writing at most buflen bytes.
+// Returns:
+// 1  if the working directory was inserted into buf successfully
+// 0  if buf is too short to hold the cwd
+// -1 if we can't get the cwd for whatever reason.
+int fs_get_cwd(char *buf, size_t buflen);
+
+
+#endif // FILESYSTEM_H_
+