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| // RUN: %clang %s -o %t && %run %t 2>&1
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
int main(int argc, char **argv) {
mbstate_t state;
memset(&state, 0, sizeof(state));
char buff[10];
size_t res = wcrtomb(buff, L'a', &state);
assert(res == 1);
assert(buff[0] == 'a');
res = wcrtomb(buff, L'\0', &state);
assert(res == 1);
assert(buff[0] == '\0');
res = wcrtomb(NULL, L'\0', &state);
assert(res == 1);
res = wcrtomb(buff, L'a', NULL);
assert(res == 1);
assert(buff[0] == 'a');
res = wcrtomb(buff, L'\0', NULL);
assert(res == 1);
assert(buff[0] == '\0');
res = wcrtomb(NULL, L'\0', NULL);
assert(res == 1);
return 0;
}
|