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patch 8.0.1468: illegal memory access in del_bytes()

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Problem:    Illegal memory access in del_bytes().
Solution:   Check for negative byte count. (Christian Brabandt, closes #2466)
This commit is contained in:
Bram Moolenaar
2018-02-04 16:38:47 +01:00
parent fef4ddd5eb
commit 191f18bad0
3 changed files with 18 additions and 7 deletions
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6
src/message.c
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@@ -761,7 +761,7 @@ emsgn(char_u *s, long n)
void
iemsg(char_u *s)
{
msg(s);
emsg(s);
#ifdef ABORT_ON_INTERNAL_ERROR
abort();
#endif
@@ -4993,7 +4993,7 @@ vim_vsnprintf_typval(
zero_padding = 0;
}
else
{
{
/* Regular float number */
format[0] = '%';
l = 1;
@@ -5016,7 +5016,7 @@ vim_vsnprintf_typval(
format[l + 1] = NUL;
str_arg_l = sprintf(tmp, format, f);
}
}
if (remove_trailing_zeroes)
{