Patch 7.4.1779
Problem: Using negative index in strcharpart(). (Yegappan Lakshmanan)
Solution: Assume single byte when using a negative iindex.
Files: src/eval.c
*** ../vim-7.4.1778/src/eval.c 2016-04-22 20:46:42.988145173 +0200
--- src/eval.c 2016-04-23 13:50:34.475097381 +0200
***************
*** 19774,19780 ****
charlen = get_tv_number(&argvars[2]);
while (charlen > 0 && nbyte + len < slen)
{
! len += mb_char2len(p[nbyte + len]);
--charlen;
}
}
--- 19774,19785 ----
charlen = get_tv_number(&argvars[2]);
while (charlen > 0 && nbyte + len < slen)
{
! int off = nbyte + len;
!
! if (off < 0)
! len += 1;
! else
! len += mb_char2len(p[off]);
--charlen;
}
}
*** ../vim-7.4.1778/src/version.c 2016-04-22 21:11:03.836844513 +0200
--- src/version.c 2016-04-23 13:53:14.573485085 +0200
***************
*** 755,756 ****
--- 755,758 ----
{ /* Add new patch number below this line */
+ /**/
+ 1779,
/**/
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