Patch 7.4.812
Problem: Gcc sanitizer complains about using a NULL pointer to memmove().
Solution: Only call memmove when there is something to move. (Vittorio
Zecca)
Files: src/memline.c
*** ../vim-7.4.811/src/memline.c 2015-07-17 14:16:49.846596759 +0200
--- src/memline.c 2015-08-08 14:14:21.129601118 +0200
***************
*** 3834,3840 ****
(buf->b_ml.ml_stack_size + STACK_INCR));
if (newstack == NULL)
return -1;
! mch_memmove(newstack, buf->b_ml.ml_stack,
(size_t)top * sizeof(infoptr_T));
vim_free(buf->b_ml.ml_stack);
buf->b_ml.ml_stack = newstack;
--- 3834,3841 ----
(buf->b_ml.ml_stack_size + STACK_INCR));
if (newstack == NULL)
return -1;
! if (top > 0)
! mch_memmove(newstack, buf->b_ml.ml_stack,
(size_t)top * sizeof(infoptr_T));
vim_free(buf->b_ml.ml_stack);
buf->b_ml.ml_stack = newstack;
*** ../vim-7.4.811/src/version.c 2015-08-04 22:02:45.215119715 +0200
--- src/version.c 2015-08-08 18:23:30.167691718 +0200
***************
*** 743,744 ****
--- 743,746 ----
{ /* Add new patch number below this line */
+ /**/
+ 812,
/**/
--
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