Patch 7.4.272
Problem: Using just "$" does not cause an error message.
Solution: Check for empty environment variable name. (Christian Brabandt)
Files: src/eval.c, src/testdir/test_eval.in, src/testdir/test_eval.ok
*** ../vim-7.4.271/src/eval.c 2014-04-29 14:02:42.543919791 +0200
--- src/eval.c 2014-04-29 17:33:40.575697949 +0200
***************
*** 7798,7804 ****
* Get the value of an environment variable.
* "arg" is pointing to the '$'. It is advanced to after the name.
* If the environment variable was not set, silently assume it is empty.
! * Always return OK.
*/
static int
get_env_tv(arg, rettv, evaluate)
--- 7798,7804 ----
* Get the value of an environment variable.
* "arg" is pointing to the '$'. It is advanced to after the name.
* If the environment variable was not set, silently assume it is empty.
! * Return FAIL if the name is invalid.
*/
static int
get_env_tv(arg, rettv, evaluate)
***************
*** 7817,7848 ****
len = get_env_len(arg);
if (evaluate)
{
! if (len != 0)
{
! cc = name[len];
! name[len] = NUL;
! /* first try vim_getenv(), fast for normal environment vars */
! string = vim_getenv(name, &mustfree);
! if (string != NULL && *string != NUL)
! {
! if (!mustfree)
! string = vim_strsave(string);
! }
! else
! {
! if (mustfree)
! vim_free(string);
! /* next try expanding things like $VIM and ${HOME} */
! string = expand_env_save(name - 1);
! if (string != NULL && *string == '$')
! {
! vim_free(string);
! string = NULL;
! }
}
- name[len] = cc;
}
rettv->v_type = VAR_STRING;
rettv->vval.v_string = string;
}
--- 7817,7849 ----
len = get_env_len(arg);
if (evaluate)
{
! if (len == 0)
! return FAIL; /* can't be an environment variable */
!
! cc = name[len];
! name[len] = NUL;
! /* first try vim_getenv(), fast for normal environment vars */
! string = vim_getenv(name, &mustfree);
! if (string != NULL && *string != NUL)
{
! if (!mustfree)
! string = vim_strsave(string);
! }
! else
! {
! if (mustfree)
! vim_free(string);
! /* next try expanding things like $VIM and ${HOME} */
! string = expand_env_save(name - 1);
! if (string != NULL && *string == '$')
! {
! vim_free(string);
! string = NULL;
}
}
+ name[len] = cc;
+
rettv->v_type = VAR_STRING;
rettv->vval.v_string = string;
}
*** ../vim-7.4.271/src/testdir/test_eval.in 2014-04-29 14:02:42.543919791
+0200
--- src/testdir/test_eval.in 2014-04-29 17:35:27.243696080 +0200
***************
*** 183,188 ****
--- 183,195 ----
:" script-local function used in Funcref must exist.
:so test_eval_func.vim
:"
+ :" Using $ instead of '$' must give an error
+ :try
+ : call append($, 'foobar')
+ :catch
+ :$put =v:exception
+ :endtry
+ :"
:/^start:/+1,$wq! test.out
:" vim: et ts=4 isk-=\: fmr=???,???
:call getchar()
*** ../vim-7.4.271/src/testdir/test_eval.ok 2014-04-29 14:02:42.543919791
+0200
--- src/testdir/test_eval.ok 2014-04-29 17:36:41.451694779 +0200
***************
*** 345,347 ****
--- 345,348 ----
func s:Testje exists: 1
Bar exists: 1
func Bar exists: 1
+ Vim(call):E116: Invalid arguments for function append
*** ../vim-7.4.271/src/version.c 2014-04-29 15:55:39.443801021 +0200
--- src/version.c 2014-04-29 17:31:54.203699814 +0200
***************
*** 736,737 ****
--- 736,739 ----
{ /* Add new patch number below this line */
+ /**/
+ 272,
/**/
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