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patch 8.0.0975: using freed memory when setting 'backspace'

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Problem:    Using freed memory when setting 'backspace'.
Solution:   When changing oldval also change origval.
This commit is contained in:
Bram Moolenaar
2017-08-20 16:11:51 +02:00
parent 8efa026a25
commit edbc0d46cf
2 changed files with 4 additions and 0 deletions
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2
src/option.c
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@@ -4927,6 +4927,8 @@ do_set(
break; break;
} }
vim_free(oldval); vim_free(oldval);
if (origval == oldval)
origval = *(char_u **)varp;
oldval = *(char_u **)varp; oldval = *(char_u **)varp;
} }
/* /*

2
src/version.c
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@@ -769,6 +769,8 @@ static char *(features[]) =
static int included_patches[] = static int included_patches[] =
{ /* Add new patch number below this line */ { /* Add new patch number below this line */
/**/
975,
/**/ /**/
974, 974,
/**/ /**/