wutdevoptab: Rename all files to *fsa*.cpp

libraries/wutdevoptab/devoptab_fsa_chdir.cpp

@@ -0,0 +1,29 @@
+#include "devoptab_fsa.h"
+
+int
+__wut_fs_chdir(struct _reent *r,
+               const char *path)
+{
+   FSStatus status;
+   FSCmdBlock cmd;
+
+   if (!path) {
+      r->_errno = EINVAL;
+      return -1;
+   }
+
+   char *fixedPath = __wut_fs_fixpath(r, path);
+   if (!fixedPath) {
+      return -1;
+   }
+
+   FSInitCmdBlock(&cmd);
+   status = FSChangeDir(__wut_devoptab_fs_client, &cmd, fixedPath, FS_ERROR_FLAG_ALL);
+   free(fixedPath);
+   if (status < 0) {
+      r->_errno = __wut_fs_translate_error(status);
+      return -1;
+   }
+
+   return 0;
+}