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util.encodings: Spell out all IDNA 2008 options ICU has

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This commit is contained in:
Kim Alvefur 2019-09-11 00:40:30 +02:00
parent bb4cb60fb8
commit bf1a0c2f05
1 changed files with 24 additions and 1 deletions
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25
util-src/encodings.c
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@ -341,7 +341,30 @@ void init_icu(void) {
icu_saslprep = usprep_openByType(USPREP_RFC4013_SASLPREP, &err);
icu_spoofcheck = uspoof_open(&err);
uspoof_setChecks(icu_spoofcheck, USPOOF_CONFUSABLE, &err);
icu_idna2008 = uidna_openUTS46(UIDNA_USE_STD3_RULES, &err);
int options = UIDNA_DEFAULT;
#if 0
/* COMPAT with future Unicode versions */
options |= UIDNA_ALLOW_UNASSIGNED;
#endif
#if 1
/* Forbid eg labels starting with _ */
options |= UIDNA_USE_STD3_RULES;
#endif
#if 0
/* TODO determine if we need this */
options |= UIDNA_CHECK_BIDI;
#endif
#if 0
/* UTS46 makes it sound like these are the responsibility of registrars */
options |= UIDNA_CHECK_CONTEXTJ;
options |= UIDNA_CHECK_CONTEXTO;
#endif
#if 0
/* This disables COMPAT with IDNA 2003 */
options |= UIDNA_NONTRANSITIONAL_TO_ASCII;
options |= UIDNA_NONTRANSITIONAL_TO_UNICODE;
#endif
icu_idna2008 = uidna_openUTS46(options, &err);
if(U_FAILURE(err)) {
fprintf(stderr, "[c] util.encodings: error: %s\n", u_errorName((UErrorCode)err));