diff --git a/lfs.c b/lfs.c index d7439fe..c59d3d2 100644 --- a/lfs.c +++ b/lfs.c @@ -3048,14 +3048,6 @@ relocate: static lfs_soff_t lfs_file_rawseek(lfs_t *lfs, lfs_file_t *file, lfs_soff_t off, int whence) { -#ifndef LFS_READONLY - // write out everything beforehand, may be noop if rdonly - int err = lfs_file_flush(lfs, file); - if (err) { - return err; - } -#endif - // find new pos lfs_off_t npos = file->pos; if (whence == LFS_SEEK_SET) { @@ -3071,6 +3063,19 @@ static lfs_soff_t lfs_file_rawseek(lfs_t *lfs, lfs_file_t *file, return LFS_ERR_INVAL; } + if (file->pos == npos) { + // noop - position has not changed + return npos; + } + +#ifndef LFS_READONLY + // write out everything beforehand, may be noop if rdonly + int err = lfs_file_flush(lfs, file); + if (err) { + return err; + } +#endif + // update pos file->pos = npos; return npos;