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fix(mbyte): check for utf8proc_map() failure (#30531)

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zeertzjq 2024-09-27 07:40:46 +08:00 committed by GitHub
parent 98d1c0ebef
commit a9287dd882
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2 changed files with 13 additions and 3 deletions
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10
src/nvim/mbyte.c
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@ -1380,11 +1380,15 @@ int utf_fold(int a)
}
utf8proc_uint8_t input_str[16] = { 0 };
utf8proc_encode_char(a, input_str);
if (utf8proc_encode_char(a, input_str) <= 0) {
return a;
}
utf8proc_uint8_t *fold_str_utf;
utf8proc_map((utf8proc_uint8_t *)input_str, 0, &fold_str_utf,
UTF8PROC_NULLTERM | UTF8PROC_CASEFOLD);
if (utf8proc_map((utf8proc_uint8_t *)input_str, 0, &fold_str_utf,
UTF8PROC_NULLTERM | UTF8PROC_CASEFOLD) < 0) {
return a;
}
int fold_codepoint_utf = utf_ptr2char((char *)fold_str_utf);

6
test/unit/mbyte_spec.lua
View File

@ -347,4 +347,10 @@ describe('mbyte', function()
check('L̓̉̑̒̌̚ơ̗̌̒̄̀ŕ̈̈̎̐̕è̇̅̄̄̐m̖̟̟̅̄̚', {'L̓̉̑̒̌̚', 'ơ̗̌̒̄̀', 'ŕ̈̈̎̐̕', 'è̇̅̄̄̐', 'm̖̟̟̅̄̚'})
-- stylua: ignore end
end)
describe('utf_fold', function()
itp('does not crash with surrogates #30527', function()
eq(0xDDFB, lib.utf_fold(0xDDFB))
end)
end)
end)