128 int32_t utf32_from_utf8_at(const char *src, size_t src_len, size_t index, size_t *next_index)  in utf32_from_utf8_at()  argument
138     int32_t ret = utf32_at_internal(src + index, &num_read);  in utf32_from_utf8_at()
146 ssize_t utf32_to_utf8_length(const char32_t *src, size_t src_len)  in utf32_to_utf8_length()  argument
148     if (src == nullptr || src_len == 0) {  in utf32_to_utf8_length()
153     const char32_t *end = src + src_len;  in utf32_to_utf8_length()
154     while (src < end) {  in utf32_to_utf8_length()
155         size_t char_len = utf32_codepoint_utf8_length(*src++);  in utf32_to_utf8_length()
168 void utf32_to_utf8(const char32_t* src, size_t src_len, char* dst, size_t dst_len)  in utf32_to_utf8()  argument
170     if (src == nullptr || src_len == 0 || dst == nullptr) {  in utf32_to_utf8()
174     const char32_t *cur_utf32 = src;  in utf32_to_utf8()
175     const char32_t *end_utf32 = src + src_len;  in utf32_to_utf8()
246 char16_t* strstr16(const char16_t* src, const char16_t* target)  in strstr16()  argument
249     if (needle == '\0') return (char16_t*)src;  in strstr16()
254             if (*src == '\0') {  in strstr16()
257         } while (*src++ != needle);  in strstr16()
258     } while (strncmp16(src, target, target_len) != 0);  in strstr16()
259     src--;  in strstr16()
261     return (char16_t*)src;  in strstr16()
283 void utf16_to_utf8(const char16_t* src, size_t src_len, char* dst, size_t dst_len)  in utf16_to_utf8()  argument
285     if (src == nullptr || src_len == 0 || dst == nullptr) {  in utf16_to_utf8()
289     const char16_t* cur_utf16 = src;  in utf16_to_utf8()
290     const char16_t* const end_utf16 = src + src_len;  in utf16_to_utf8()
317 ssize_t utf16_to_utf8_length(const char16_t *src, size_t src_len)  in utf16_to_utf8_length()  argument
319     if (src == nullptr || src_len == 0) {  in utf16_to_utf8_length()
324     const char16_t* const end = src + src_len;  in utf16_to_utf8_length()
325     while (src < end) {  in utf16_to_utf8_length()
327         if ((*src & 0xFC00) == 0xD800 && (src + 1) < end  in utf16_to_utf8_length()
328                 && (*(src + 1) & 0xFC00) == 0xDC00) {  in utf16_to_utf8_length()
331             src += 2;  in utf16_to_utf8_length()
333             char_len = utf32_codepoint_utf8_length((char32_t)*src++);  in utf16_to_utf8_length()
367 static inline uint32_t utf8_to_utf32_codepoint(const uint8_t *src, size_t length)  in utf8_to_utf32_codepoint()  argument
374             return src[0];  in utf8_to_utf32_codepoint()
376             unicode = src[0] & 0x1f;  in utf8_to_utf32_codepoint()
377             utf8_shift_and_mask(&unicode, src[1]);  in utf8_to_utf32_codepoint()
380             unicode = src[0] & 0x0f;  in utf8_to_utf32_codepoint()
381             utf8_shift_and_mask(&unicode, src[1]);  in utf8_to_utf32_codepoint()
382             utf8_shift_and_mask(&unicode, src[2]);  in utf8_to_utf32_codepoint()
385             unicode = src[0] & 0x07;  in utf8_to_utf32_codepoint()
386             utf8_shift_and_mask(&unicode, src[1]);  in utf8_to_utf32_codepoint()
387             utf8_shift_and_mask(&unicode, src[2]);  in utf8_to_utf32_codepoint()
388             utf8_shift_and_mask(&unicode, src[3]);  in utf8_to_utf32_codepoint()
446         const uint8_t* src, size_t srcLen, char16_t* dst, size_t dstLen) {  in utf8_to_utf16_no_null_terminator()  argument
452     const uint8_t* const u8end = src + srcLen;  in utf8_to_utf16_no_null_terminator()
453     const uint8_t* u8cur = src;  in utf8_to_utf16_no_null_terminator()