Added utf8_icmp_n() case insensitive comparison.

1 files changed, 6 insertions, 0 deletions

diff --git a/include/stc/utf8.h b/include/stc/utf8.h
index 67722345..333a0f92 100644
--- a/include/stc/utf8.h
+++ b/include/stc/utf8.h
@@ -35,8 +35,10 @@ bool        utf8_isalpha(uint32_t c);
 bool        utf8_isalnum(uint32_t c);

 uint32_t    utf8_tolower(uint32_t c);

 uint32_t    utf8_toupper(uint32_t c);

+

 bool        utf8_valid(const char* s);

 bool        utf8_valid_n(const char* s, size_t n);

+int         utf8_icmp_n(const char* s1, const char* s2, size_t u8max);

 

 /* encode/decode next utf8 codepoint. */

 enum { UTF8_OK = 0, UTF8_ERROR = 4 };

@@ -46,6 +48,10 @@ void        utf8_peek(utf8_decode_t* d, const char *s);
 unsigned    utf8_encode(char *out, uint32_t c);

 void        utf8_decode(utf8_decode_t *d, const uint8_t b);

 

+/* case-insensitive utf8 string comparison */

+STC_INLINE int utf8_icmp(const char* s1, const char* s2)

+    { return utf8_icmp_n(s1, s2, (size_t)(-1)); }

+

 /* number of characters in the utf8 codepoint from s */

 STC_INLINE unsigned utf8_codep_size(const char *s) {

     unsigned b = (uint8_t)*s;