Patch 7.3.512
Problem: undofile() returns a useless name when passed an empty string.
Solution: Return an empty string. (Christian Brabandt)
Files: src/eval.c
*** ../vim-7.3.511/src/eval.c 2012-04-25 18:24:24.000000000 +0200
--- src/eval.c 2012-04-30 17:23:26.000000000 +0200
***************
*** 18259,18269 ****
rettv->v_type = VAR_STRING;
#ifdef FEAT_PERSISTENT_UNDO
{
! char_u *ffname = FullName_save(get_tv_string(&argvars[0]), FALSE);
! if (ffname != NULL)
! rettv->vval.v_string = u_get_undo_file_name(ffname, FALSE);
! vim_free(ffname);
}
#else
rettv->vval.v_string = NULL;
--- 18259,18279 ----
rettv->v_type = VAR_STRING;
#ifdef FEAT_PERSISTENT_UNDO
{
! char_u *fname = get_tv_string(&argvars[0]);
! if (*fname == NUL)
! {
! /* If there is no file name there will be no undo file. */
! rettv->vval.v_string = NULL;
! }
! else
! {
! char_u *ffname = FullName_save(fname, FALSE);
!
! if (ffname != NULL)
! rettv->vval.v_string = u_get_undo_file_name(ffname, FALSE);
! vim_free(ffname);
! }
}
#else
rettv->vval.v_string = NULL;
*** ../vim-7.3.511/src/version.c 2012-04-30 17:04:47.000000000 +0200
--- src/version.c 2012-04-30 17:24:42.000000000 +0200
***************
*** 716,717 ****
--- 716,719 ----
{ /* Add new patch number below this line */
+ /**/
+ 512,
/**/
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