From 2688277a4efe011ffd35f0e3ce859bb110207d8e Mon Sep 17 00:00:00 2001 From: Tyge Lovset Date: Mon, 30 May 2022 23:15:53 +0200 Subject: Added utf8_icmp_n() case insensitive comparison. --- src/utf8code.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'src/utf8code.c') diff --git a/src/utf8code.c b/src/utf8code.c index c58f78b6..cef3efca 100644 --- a/src/utf8code.c +++ b/src/utf8code.c @@ -100,6 +100,19 @@ uint32_t utf8_toupper(uint32_t c) { return c; } +int utf8_icmp_n(const char* s1, const char* s2, size_t u8max) { + int ret = 0; + utf8_decode_t d1 = {UTF8_OK}, d2 = {UTF8_OK}; + for (; u8max--; s1 += d1.size, s2 += d2.size) { + utf8_peek(&d1, s1); + utf8_peek(&d2, s2); + ret = utf8_tolower(d1.codep) - utf8_tolower(d2.codep); + if (ret || !*s2) + break; + } + return ret; +} + bool utf8_isupper(uint32_t c) { return utf8_tolower(c) != c; } -- cgit v1.2.3