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tuklib_mbstr_width: Use stricter return value checking

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This should make no difference in practice (at least if mbrtowc()
isn't broken).
This commit is contained in:
Lasse Collin 2024-10-21 18:41:41 +03:00
parent b797c44c42
commit 3c16105936
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1 changed files with 1 additions and 1 deletions
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src/common/tuklib_mbstr_width.c
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@ -41,7 +41,7 @@ tuklib_mbstr_width(const char *str, size_t *bytes)
while (i < len) { while (i < len) {
wchar_t wc; wchar_t wc;
const size_t ret = mbrtowc(&wc, str + i, len - i, &state); const size_t ret = mbrtowc(&wc, str + i, len - i, &state);
if (ret < 1 || ret > len) if (ret < 1 || ret > len - i)
return (size_t)-1; return (size_t)-1;
i += ret; i += ret;