diff options
Diffstat (limited to 'src/option.c')
| -rw-r--r-- | src/option.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/src/option.c b/src/option.c index da9807156..2ab077063 100644 --- a/src/option.c +++ b/src/option.c @@ -7573,24 +7573,30 @@ set_bool_option(opt_idx, varp, value, opt_flags) /* 'undofile' */ else if ((int *)varp == &curbuf->b_p_udf || (int *)varp == &p_udf) { - char_u hash[UNDO_HASH_SIZE]; - buf_T *save_curbuf = curbuf; - - for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next) + /* Only take action when the option was set. When reset we do not + * delete the undo file, the option may be set again without making + * any changes in between. */ + if (curbuf->b_p_udf || p_udf) { - /* When 'undofile' is set globally: for every buffer, otherwise - * only for the current buffer: Try to read in the undofile, if - * one exists and the buffer wasn't changed and the buffer was - * loaded. */ - if ((curbuf == save_curbuf - || (opt_flags & OPT_GLOBAL) || opt_flags == 0) - && !curbufIsChanged() && curbuf->b_ml.ml_mfp != NULL) + char_u hash[UNDO_HASH_SIZE]; + buf_T *save_curbuf = curbuf; + + for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next) { - u_compute_hash(hash); - u_read_undo(NULL, hash, curbuf->b_fname); + /* When 'undofile' is set globally: for every buffer, otherwise + * only for the current buffer: Try to read in the undofile, + * if one exists, the buffer wasn't changed and the buffer was + * loaded */ + if ((curbuf == save_curbuf + || (opt_flags & OPT_GLOBAL) || opt_flags == 0) + && !curbufIsChanged() && curbuf->b_ml.ml_mfp != NULL) + { + u_compute_hash(hash); + u_read_undo(NULL, hash, curbuf->b_fname); + } } + curbuf = save_curbuf; } - curbuf = save_curbuf; } #endif |