1 #include <stdio.h> 2 #include <wchar.h> 3 #include <sys/types.h> 4 5 static wchar_t buf[100]; 6 #define nbuf (sizeof (buf) / sizeof (buf[0])) 7 static const struct { 8 size_t n; 9 const char *str; 10 ssize_t exp; 11 } tests[] = { 12 { nbuf, "hello world", 11 }, 13 { 0, "hello world", -1 }, 14 { 0, "", -1 }, 15 { nbuf, "", 0 } 16 }; 17 18 19 int 20 main(int argc, char *argv[]) 21 { 22 size_t n; 23 int result = 0; 24 25 puts("test 1"); 26 n = swprintf(buf, nbuf,L"Hello %s" , "world"); 27 if (n != 11) 28 { 29 printf ("incorrect return value: %zd instead of 11\n", n); 30 result = 1; 31 } 32 else if (wcscmp(buf, L"Hello world") != 0) 33 { 34 printf("incorrect string: L\"%ls\" instead of L\"Hello world\"\n", buf); 35 result = 1; 36 } 37 puts ("test 2"); 38 n = swprintf(buf, nbuf, L"Is this >%g< 3.1?", 3.1); 39 if (n != 18) { 40 printf("incorrect return value: %zd instead of 18\n", n); 41 result = 1; 42 } else if (wcscmp (buf, L"Is this >3.1< 3.1?") != 0) { 43 printf("incorrect string: L\"%ls\" instead of L\"Is this >3.1< 3.1?\"\n", 44 buf); 45 result = 1; 46 } 47 48 for (n = 0; n < sizeof(tests) / sizeof(tests[0]); ++n) { 49 ssize_t res = swprintf(buf, tests[n].n, L"%s", tests[n].str); 50 51 if (tests[n].exp < 0 && res >= 0) { 52 printf("swprintf (buf, %Zu, L\"%%s\", \"%s\") expected to fail\n", 53 tests[n].n, tests[n].str); 54 result = 1; 55 } else if (tests[n].exp >= 0 && tests[n].exp != res) { 56 printf("swprintf (buf, %Zu, L\"%%s\", \"%s\") expected to return %Zd, but got %Zd\n", 57 tests[n].n, tests[n].str, tests[n].exp, res); 58 result = 1; 59 } else { 60 printf("swprintf (buf, %Zu, L\"%%s\", \"%s\") OK\n", tests[n].n, 61 tests[n].str); 62 } 63 } 64 65 if (swprintf(buf, nbuf, L"%.0s", "foo") != 0 || wcslen(buf) != 0) { 66 printf("swprintf (buf, %Zu, L\"%%.0s\", \"foo\") create some output\n", 67 nbuf); 68 result = 1; 69 } 70 71 if (swprintf(buf, nbuf, L"%.0ls", L"foo") != 0 || wcslen(buf) != 0) { 72 printf("swprintf (buf, %Zu, L\"%%.0ls\", L\"foo\") create some output\n", 73 nbuf); 74 result = 1; 75 } 76 77 return result; 78 } 79