diff options
Diffstat (limited to 'libutils/Unicode.cpp')
-rw-r--r-- | libutils/Unicode.cpp | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/libutils/Unicode.cpp b/libutils/Unicode.cpp index 2b5293e74..ba084f6ce 100644 --- a/libutils/Unicode.cpp +++ b/libutils/Unicode.cpp @@ -19,7 +19,7 @@ #include <stddef.h> -#ifdef HAVE_WINSOCK +#if defined(_WIN32) # undef nhtol # undef htonl # undef nhtos @@ -226,11 +226,16 @@ int strncmp16(const char16_t *s1, const char16_t *s2, size_t n) char16_t ch; int d = 0; - while ( n-- ) { + if (n == 0) { + return 0; + } + + do { d = (int)(ch = *s1++) - (int)*s2++; - if ( d || !ch ) + if ( d || !ch ) { break; - } + } + } while (--n); return d; } @@ -288,6 +293,25 @@ size_t strnlen16(const char16_t *s, size_t maxlen) return ss-s; } +char16_t* strstr16(const char16_t* src, const char16_t* target) +{ + const char16_t needle = *target++; + const size_t target_len = strlen16(target); + if (needle != '\0') { + do { + do { + if (*src == '\0') { + return nullptr; + } + } while (*src++ != needle); + } while (strncmp16(src, target, target_len) != 0); + src--; + } + + return (char16_t*)src; +} + + int strzcmp16(const char16_t *s1, size_t n1, const char16_t *s2, size_t n2) { const char16_t* e1 = s1+n1; |