wut/libraries/wutdevoptab/devoptab_fs_stat.c

#include "devoptab_fs.h"

int
__wut_fs_stat(struct _reent *r,
              const char *path,
              struct stat *st)
{
   int fd;
   FSStatus status;
   FSCmdBlock cmd;

   if (!path || !st) {
      r->_errno = EINVAL;
      return -1;
   }

   char *fixedPath = __wut_fs_fixpath(r, path);
   if (!fixedPath)  {
      return -1;
   }

   FSInitCmdBlock(&cmd);

   // First try open as file
   status = FSOpenFile(__wut_devoptab_fs_client, &cmd, fixedPath, "r",
                       (FSFileHandle*)&fd, FS_ERROR_FLAG_ALL);
   if (status >= 0) {
      __wut_fs_file_t tmpfd = { .fd = fd };
      status = __wut_fs_fstat(r, &tmpfd, st);
      FSCloseFile(__wut_devoptab_fs_client, &cmd, fd, FS_ERROR_FLAG_ALL);
      free(fixedPath);
      return status;
   }

   // File failed, so lets try open as directory
   status = FSOpenDir(__wut_devoptab_fs_client, &cmd, fixedPath,
                      (FSDirectoryHandle*)&fd, FS_ERROR_FLAG_ALL);
   free(fixedPath);
   if (status < 0) {
      r->_errno = __wut_fs_translate_error(status);
      return -1;
   }

   memset(st, 0, sizeof(struct stat));
   st->st_nlink = 1;
   st->st_mode = S_IFDIR | S_IRWXU | S_IRWXG | S_IRWXO;
   FSCloseDir(__wut_devoptab_fs_client, &cmd, fd, FS_ERROR_FLAG_ALL);
   return 0;
}