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patch 8.2.3449: sort fails if the sort compare function returns 999

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Problem:    Sort fails if the sort compare function returns 999.
Solution:   Adjust value to -1 / 0 / 1. (Yasuhiro Matsumoto, closes #8884)
This commit is contained in:
Yasuhiro Matsumoto
2021-09-19 17:01:39 +02:00
committed by Bram Moolenaar
parent 1d34189ecb
commit c04f62346b
3 changed files with 9 additions and 0 deletions
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6
src/list.c
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@@ -1945,7 +1945,13 @@ item_compare2(const void *s1, const void *s2)
if (res == FAIL)
res = ITEM_COMPARE_FAIL;
else
{
res = (int)tv_get_number_chk(&rettv, &sortinfo->item_compare_func_err);
if (res > 0)
res = 1;
else if (res < 0)
res = -1;
}
if (sortinfo->item_compare_func_err)
res = ITEM_COMPARE_FAIL; // return value has wrong type
clear_tv(&rettv);