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patch 8.2.4298: divide by zero with huge tabstop value

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Problem:    Divide by zero with huge tabstop value.
Solution:   Reject tabstop value that overflows to zero.
This commit is contained in:
Bram Moolenaar
2022-02-05 11:13:05 +00:00
parent 21ebb0899e
commit fc88df42f1
3 changed files with 13 additions and 1 deletions
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2
src/indent.c
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@@ -71,7 +71,7 @@ tabstop_set(char_u *var, int **array)
int n = atoi((char *)cp);
// Catch negative values, overflow and ridiculous big values.
if (n < 0 || n > TABSTOP_MAX)
if (n <= 0 || n > TABSTOP_MAX)
{
semsg(_(e_invalid_argument_str), cp);
vim_free(*array);