From 60402ec01fe1f56034dbf5a453aace73c1a95f9a Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sat, 24 Jan 2026 18:20:57 +0100 Subject: Add variation selectors MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- libcharconv_latin.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'libcharconv_latin.c') diff --git a/libcharconv_latin.c b/libcharconv_latin.c index 25aae91..d3c1817 100644 --- a/libcharconv_latin.c +++ b/libcharconv_latin.c @@ -9,6 +9,7 @@ libcharconv_latin(const char *s, size_t slen, size_t *n, uint_least32_t *cp, siz uint_least32_t c; char c1, c2, c3, c4; size_t clen; + unsigned num; *n = 0; while (slen) { @@ -273,6 +274,31 @@ libcharconv_latin(const char *s, size_t slen, size_t *n, uint_least32_t *cp, siz c3 = '.'; goto conv3; + } else if (UINT32_C(0xFE00) <= c && c <= UINT32_C(0xFE0F)) { + /* variation selectors */ + num = (unsigned)(c - UINT32_C(0xFE00)) + 1u; + if (num < 10) { + c1 = (char)('0' + num); + goto conv1; + } else { + c1 = (char)('0' + num / 10); + c2 = (char)('0' + num % 10); + goto conv2; + } + } else if (UINT32_C(0xE0100) <= c && c <= UINT32_C(0xE01EF)) { + /* variation selectors */ + num = (unsigned)(c - UINT32_C(0xE0100)) + 17u; + if (num < 100) { + c1 = (char)('0' + num / 10); + c2 = (char)('0' + num % 10); + goto conv2; + } else { + c1 = (char)('0' + num / 100); + c2 = (char)('0' + num / 10 % 10); + c3 = (char)('0' + num % 10); + goto conv3; + } + } else { switch (c) { /* shogi */ @@ -413,6 +439,8 @@ libcharconv_latin(const char *s, size_t slen, size_t *n, uint_least32_t *cp, siz no_conv: return LIBCHARCONV_NO_CONVERT; +conv1: + c = (uint_least32_t)c1; conv: if (*n) goto no_conv; -- cgit v1.2.3-70-g09d2