23 lines
612 B
C
23 lines
612 B
C
#include <assert.h>
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#include <wchar.h>
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#include <string.h>
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#include <stdlib.h>
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int main() {
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const wchar_t *wcs1 = L"";
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size_t mb_len1 = wcsrtombs(NULL, &wcs1, 0, NULL);
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assert(mb_len1 == 0);
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const wchar_t *wcs2 = L"Hello, world!";
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size_t mb_len2 = wcsrtombs(NULL, &wcs2, 0, NULL);
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assert(mb_len2 == strlen("Hello, world!"));
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// wcsrtombs resets wcs2 to zero, so we need to fill it again
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wcs2 = L"Hello, world!";
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char *mbs2 = malloc(mb_len2 + 1);
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wcsrtombs(mbs2, &wcs2, mb_len2 + 1, NULL);
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assert(strcmp(mbs2, "Hello, world!") == 0);
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free(mbs2);
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return 0;
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} |