93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
#include <stdio.h>
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#include <wchar.h>
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#include <sys/types.h>
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static wchar_t buf[100];
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#define nbuf (sizeof (buf) / sizeof (buf[0]))
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static const struct
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{
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size_t n;
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const char *str;
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ssize_t exp;
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} tests[] =
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{
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{ nbuf, "hello world", 11 },
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{ 0, "hello world", -1 },
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{ 0, "", -1 },
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{ nbuf, "", 0 }
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};
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int
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main (int argc, char *argv[])
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{
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size_t n;
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int result = 0;
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puts ("test 1");
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n = swprintf (buf, nbuf, L"Hello %s", "world");
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if (n != 11)
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{
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printf ("incorrect return value: %zd instead of 11\n", n);
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result = 1;
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}
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else if (wcscmp (buf, L"Hello world") != 0)
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{
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printf ("incorrect string: L\"%ls\" instead of L\"Hello world\"\n", buf);
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result = 1;
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}
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puts ("test 2");
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n = swprintf (buf, nbuf, L"Is this >%g< 3.1?", 3.1);
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if (n != 18)
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{
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printf ("incorrect return value: %zd instead of 18\n", n);
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result = 1;
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}
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else if (wcscmp (buf, L"Is this >3.1< 3.1?") != 0)
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{
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printf ("incorrect string: L\"%ls\" instead of L\"Is this >3.1< 3.1?\"\n",
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buf);
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result = 1;
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}
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for (n = 0; n < sizeof (tests) / sizeof (tests[0]); ++n)
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{
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ssize_t res = swprintf (buf, tests[n].n, L"%s", tests[n].str);
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if (tests[n].exp < 0 && res >= 0)
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{
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printf ("swprintf (buf, %Zu, L\"%%s\", \"%s\") expected to fail\n",
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tests[n].n, tests[n].str);
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result = 1;
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}
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else if (tests[n].exp >= 0 && tests[n].exp != res)
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{
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printf ("swprintf (buf, %Zu, L\"%%s\", \"%s\") expected to return %Zd, but got %Zd\n",
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tests[n].n, tests[n].str, tests[n].exp, res);
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result = 1;
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}
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else
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printf ("swprintf (buf, %Zu, L\"%%s\", \"%s\") OK\n",
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tests[n].n, tests[n].str);
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}
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if (swprintf (buf, nbuf, L"%.0s", "foo") != 0
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|| wcslen (buf) != 0)
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{
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printf ("swprintf (buf, %Zu, L\"%%.0s\", \"foo\") create some output\n",
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nbuf);
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result = 1;
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}
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if (swprintf (buf, nbuf, L"%.0ls", L"foo") != 0
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|| wcslen (buf) != 0)
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{
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printf ("swprintf (buf, %Zu, L\"%%.0ls\", L\"foo\") create some output\n",
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nbuf);
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result = 1;
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}
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return result;
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}
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