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normalize_utf32: skip out-of-range codepoints in the compose loop (fixes #288) #352

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normalize_utf32: skip out-of-range codepoints in the compose loop (fixes #288) #352

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5 changes: 3 additions & 2 deletions utf8proc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -662,8 +662,9 @@ UTF8PROC_DLLEXPORT utf8proc_ssize_t utf8proc_normalize_utf32(utf8proc_int32_t *b
utf8proc_ssize_t wpos = 0;
for (rpos = 0; rpos < length; rpos++) {
utf8proc_int32_t current_char = buffer[rpos];
if (current_char < 0) {
/* skip grapheme break */
if (current_char < 0 || current_char >= 0x110000) {
/* skip grapheme-break sentinel or out-of-range codepoint;
unsafe_get_property would OOB on utf8proc_stage1table (idx = uc >> 8) */
continue;
}
const utf8proc_property_t *current_property = unsafe_get_property(current_char);
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