36 lines · cpp
1#include <assert.h>2#include <string>3 4#define UASZ 645 6template<class T, int N>7void copy_char_seq (T (&arr)[N], const T* src)8{9 size_t src_len = std::char_traits<T>::length(src);10 assert(src_len < N);11 12 std::char_traits<T>::copy(arr, src, src_len);13 arr[src_len] = 0;14}15 16int main (int argc, char const *argv[])17{18 char16_t as16[UASZ];19 char32_t as32[UASZ];20 auto cs16_zero = (char16_t)0;21 auto cs32_zero = (char32_t)0;22 auto cs16 = u"hello world ྒྙྐ";23 auto cs32 = U"hello world ྒྙྐ";24 char16_t *s16 = (char16_t *)u"ﺸﺵۻ";25 char32_t *s32 = (char32_t *)U"ЕЙРГЖО";26 copy_char_seq(as16, s16);27 copy_char_seq(as32, s32);28 s32 = nullptr; // breakpoint129 s32 = (char32_t *)U"෴";30 s16 = (char16_t *)u"色ハ匂ヘト散リヌルヲ";31 copy_char_seq(as16, s16);32 copy_char_seq(as32, s32);33 s32 = nullptr; // breakpoint234 return 0;35}36