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vty_set_custom_table_range: avoid overflow in test

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This commit is contained in:
Jonathan Daugherty 2020-03-05 14:19:28 -08:00
parent 24b9c8c0f5
commit b988b6894e
1 changed files with 4 additions and 2 deletions
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6
cbits/mk_wcwidth.c
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@ -286,11 +286,13 @@ int vty_init_custom_table(int size)
int vty_set_custom_table_range(uint32_t start, uint32_t size, uint8_t width)
{
if ((custom_table == NULL) ||
((start + size - 1) >= custom_table_size) ||
(size >= custom_table_size) ||
(start >= custom_table_size) ||
((start + 1) >= (custom_table_size - size)) ||
custom_table_ready) {
return 1;
} else {
memset(custom_table + start, (uint8_t) width, size);
memset(custom_table + start, width, size);
return 0;
}
}