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utf16_to8: Convert to preferred utf8_to_uv_flags() #22840

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utf16_to8: Convert to preferred utf8_to_uv_flags() #22840

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13 changes: 4 additions & 9 deletions utf8.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3438,15 +3438,10 @@ Perl_utf8_to_utf16_base(pTHX_ U8* s, U8* d, Size_t bytelen, Size_t *newlen,

while (s < send) {
STRLEN retlen;
UV uv = utf8n_to_uvchr(s, send - s, &retlen,
/* No surrogates nor above-Unicode */
UTF8_DISALLOW_ILLEGAL_C9_INTERCHANGE);

/* The modern method is to keep going with malformed input,
* substituting the REPLACEMENT CHARACTER */
if (UNLIKELY(uv == 0 && *s != '\0')) {
uv = UNICODE_REPLACEMENT;
}
UV uv;
utf8_to_uv_flags(s, send, &uv, &retlen,
/* No surrogates nor above-Unicode */
UTF8_DISALLOW_ILLEGAL_C9_INTERCHANGE);

if (uv >= FIRST_IN_PLANE1) { /* Requires a surrogate pair */

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