Patch 8.0.0561
Problem: Undefined behavior when using backslash after empty line.
Solution: Check for an empty line. (Dominique Pelle, closes #1631)
Files: src/misc2.c, src/testdir/test_vimscript.vim
*** ../vim-8.0.0560/src/misc2.c 2017-03-29 17:30:23.160136913 +0200
--- src/misc2.c 2017-04-10 22:19:28.426376399 +0200
***************
*** 2129,2135 ****
{
int len;
! if (s == NULL)
return;
len = (int)STRLEN(s);
if (ga_grow(gap, len) == OK)
--- 2129,2135 ----
{
int len;
! if (s == NULL || *s == NUL)
return;
len = (int)STRLEN(s);
if (ga_grow(gap, len) == OK)
*** ../vim-8.0.0560/src/testdir/test_vimscript.vim 2017-03-18
20:18:42.067950195 +0100
--- src/testdir/test_vimscript.vim 2017-04-10 22:19:28.426376399 +0200
***************
*** 1310,1315 ****
--- 1310,1326 ----
endfunc
"-------------------------------------------------------------------------------
+ " Test 96: line continuation {{{1
+ "
+ " Undefined behavior was detected by ubsan with line continuation
+ " after an empty line.
+
"-------------------------------------------------------------------------------
+ func Test_script_emty_line_continuation()
+
+ \
+ endfunc
+
+
"-------------------------------------------------------------------------------
" Modelines {{{1
" vim: ts=8 sw=4 tw=80 fdm=marker
" vim: fdt=substitute(substitute(foldtext(),\
'\\%(^+--\\)\\@<=\\(\\s*\\)\\(.\\{-}\\)\:\ \\%(\"\ \\)\\=\\(Test\
\\d*\\)\:\\s*',\ '\\3\ (\\2)\:\ \\1',\ \"\"),\
'\\(Test\\s*\\)\\(\\d\\)\\D\\@=',\ '\\1\ \\2',\ "")
*** ../vim-8.0.0560/src/version.c 2017-04-10 21:46:33.442970106 +0200
--- src/version.c 2017-04-10 22:20:59.681796145 +0200
***************
*** 766,767 ****
--- 766,769 ----
{ /* Add new patch number below this line */
+ /**/
+ 561,
/**/
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