1*c9945492SAndroid Build Coastguard Worker #include <uchar.h>
2*c9945492SAndroid Build Coastguard Worker #include <wchar.h>
3*c9945492SAndroid Build Coastguard Worker
mbrtoc32(char32_t * restrict pc32,const char * restrict s,size_t n,mbstate_t * restrict ps)4*c9945492SAndroid Build Coastguard Worker size_t mbrtoc32(char32_t *restrict pc32, const char *restrict s, size_t n, mbstate_t *restrict ps)
5*c9945492SAndroid Build Coastguard Worker {
6*c9945492SAndroid Build Coastguard Worker static unsigned internal_state;
7*c9945492SAndroid Build Coastguard Worker if (!ps) ps = (void *)&internal_state;
8*c9945492SAndroid Build Coastguard Worker if (!s) return mbrtoc32(0, "", 1, ps);
9*c9945492SAndroid Build Coastguard Worker wchar_t wc;
10*c9945492SAndroid Build Coastguard Worker size_t ret = mbrtowc(&wc, s, n, ps);
11*c9945492SAndroid Build Coastguard Worker if (ret <= 4 && pc32) *pc32 = wc;
12*c9945492SAndroid Build Coastguard Worker return ret;
13*c9945492SAndroid Build Coastguard Worker }
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