Patch 7.1.171
Problem: Reading one byte before allocated memory.
Solution: Check index not to become negative. (Dominique Pelle)
Files: src/ex_getln.c
*** ../vim-7.1.170/src/ex_getln.c Tue Oct 30 17:36:31 2007
--- src/ex_getln.c Tue Dec 4 21:49:24 2007
***************
*** 1186,1195 ****
case K_LEFT:
case K_S_LEFT:
case K_C_LEFT:
do
{
- if (ccline.cmdpos == 0)
- break;
--ccline.cmdpos;
#ifdef FEAT_MBYTE
if (has_mbyte) /* move to first byte of char */
--- 1186,1195 ----
case K_LEFT:
case K_S_LEFT:
case K_C_LEFT:
+ if (ccline.cmdpos == 0)
+ goto cmdline_not_changed;
do
{
--ccline.cmdpos;
#ifdef FEAT_MBYTE
if (has_mbyte) /* move to first byte of char */
***************
*** 1198,1204 ****
#endif
ccline.cmdspos -= cmdline_charsize(ccline.cmdpos);
}
! while ((c == K_S_LEFT || c == K_C_LEFT
|| (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL)))
&& ccline.cmdbuff[ccline.cmdpos - 1] != ' ');
#ifdef FEAT_MBYTE
--- 1198,1205 ----
#endif
ccline.cmdspos -= cmdline_charsize(ccline.cmdpos);
}
! while (ccline.cmdpos > 0
! && (c == K_S_LEFT || c == K_C_LEFT
|| (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL)))
&& ccline.cmdbuff[ccline.cmdpos - 1] != ' ');
#ifdef FEAT_MBYTE
*** ../vim-7.1.170/src/version.c Fri Dec 7 17:30:04 2007
--- src/version.c Fri Dec 7 20:00:06 2007
***************
*** 668,669 ****
--- 668,671 ----
{ /* Add new patch number below this line */
+ /**/
+ 171,
/**/
--
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EMULTI Multitasking attempted, system confused
EKEYBOARD Keyboard locked, try getting out of this one!
EXPLAIN Unexplained error, please tell us what happened
EFUTURE Reserved for our future mistakes
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