derek.holloway
7502bf64a4
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89 lines
5.2 KiB
C
89 lines
5.2 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify -fms-compatibility -triple=i386-pc-win32 %s
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// RUN: %clang_cc1 -fsyntax-only -verify -fms-compatibility -triple=i386-pc-win32 -Wformat-non-iso -DNON_ISO_WARNING %s
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int printf(const char *format, ...) __attribute__((format(printf, 1, 2)));
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int scanf(const char * restrict, ...) ;
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typedef unsigned short wchar_t;
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#ifdef NON_ISO_WARNING
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// Split off this test to reduce the warning noise in the rest of the file.
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void non_iso_warning_test(__int32 i32, __int64 i64, wchar_t c, void *p) {
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printf("%Id", i32); // expected-warning{{'I' length modifier is not supported by ISO C}}
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printf("%I32d", i32); // expected-warning{{'I32' length modifier is not supported by ISO C}}
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printf("%I64d", i64); // expected-warning{{'I64' length modifier is not supported by ISO C}}
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printf("%wc", c); // expected-warning{{'w' length modifier is not supported by ISO C}}
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printf("%Z", p); // expected-warning{{'Z' conversion specifier is not supported by ISO C}}
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}
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#else
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void signed_test(void) {
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short val = 30;
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printf("val = %I64d\n", val); // expected-warning{{format specifies type '__int64' (aka 'long long') but the argument has type 'short'}}
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long long bigval = 30;
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printf("val = %I32d\n", bigval); // expected-warning{{format specifies type '__int32' (aka 'int') but the argument has type 'long long'}}
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printf("val = %Id\n", bigval); // expected-warning{{format specifies type '__int32' (aka 'int') but the argument has type 'long long'}}
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}
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void unsigned_test(void) {
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unsigned short val = 30;
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printf("val = %I64u\n", val); // expected-warning{{format specifies type 'unsigned __int64' (aka 'unsigned long long') but the argument has type 'unsigned short'}}
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unsigned long long bigval = 30;
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printf("val = %I32u\n", bigval); // expected-warning{{format specifies type 'unsigned __int32' (aka 'unsigned int') but the argument has type 'unsigned long long'}}
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printf("val = %Iu\n", bigval); // expected-warning{{format specifies type 'unsigned __int32' (aka 'unsigned int') but the argument has type 'unsigned long long'}}
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}
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void w_test(wchar_t c, wchar_t *s) {
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printf("%wc", c);
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printf("%wC", c);
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printf("%C", c);
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printf("%ws", s);
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printf("%wS", s);
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printf("%S", s);
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scanf("%wc", &c);
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scanf("%wC", &c);
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scanf("%C", &c);
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scanf("%ws", s);
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scanf("%wS", s);
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scanf("%S", s);
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double bad;
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printf("%wc", bad); // expected-warning{{format specifies type 'wint_t' (aka 'unsigned short') but the argument has type 'double'}}
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printf("%wC", bad); // expected-warning{{format specifies type 'wchar_t' (aka 'unsigned short') but the argument has type 'double'}}
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printf("%C", bad); // expected-warning{{format specifies type 'wchar_t' (aka 'unsigned short') but the argument has type 'double'}}
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printf("%ws", bad); // expected-warning{{format specifies type 'wchar_t *' (aka 'unsigned short *') but the argument has type 'double'}}
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printf("%wS", bad); // expected-warning{{format specifies type 'wchar_t *' (aka 'unsigned short *') but the argument has type 'double'}}
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printf("%S", bad); // expected-warning{{format specifies type 'wchar_t *' (aka 'unsigned short *') but the argument has type 'double'}}
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scanf("%wc", &bad); // expected-warning{{format specifies type 'wchar_t *' (aka 'unsigned short *') but the argument has type 'double *'}}
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scanf("%wC", &bad); // expected-warning{{format specifies type 'wchar_t *' (aka 'unsigned short *') but the argument has type 'double *'}}
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scanf("%C", &bad); // expected-warning{{format specifies type 'wchar_t *' (aka 'unsigned short *') but the argument has type 'double *'}}
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scanf("%ws", &bad); // expected-warning{{format specifies type 'wchar_t *' (aka 'unsigned short *') but the argument has type 'double *'}}
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scanf("%wS", &bad); // expected-warning{{format specifies type 'wchar_t *' (aka 'unsigned short *') but the argument has type 'double *'}}
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scanf("%S", &bad); // expected-warning{{format specifies type 'wchar_t *' (aka 'unsigned short *') but the argument has type 'double *'}}
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}
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void h_test(char c, char* s) {
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double bad;
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printf("%hc", bad); // expected-warning{{format specifies type 'int' but the argument has type 'double'}}
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printf("%hC", bad); // expected-warning{{format specifies type 'int' but the argument has type 'double'}}
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printf("%hs", bad); // expected-warning{{format specifies type 'char *' but the argument has type 'double'}}
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printf("%hS", bad); // expected-warning{{format specifies type 'char *' but the argument has type 'double'}}
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scanf("%hc", &bad); // expected-warning{{format specifies type 'char *' but the argument has type 'double *'}}
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scanf("%hC", &bad); // expected-warning{{format specifies type 'char *' but the argument has type 'double *'}}
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scanf("%hs", &bad); // expected-warning{{format specifies type 'char *' but the argument has type 'double *'}}
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scanf("%hS", &bad); // expected-warning{{format specifies type 'char *' but the argument has type 'double *'}}
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}
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void z_test(void *p) {
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printf("%Z", p);
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printf("%hZ", p);
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printf("%lZ", p);
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printf("%wZ", p);
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printf("%hhZ", p); // expected-warning{{length modifier 'hh' results in undefined behavior or no effect with 'Z' conversion specifier}}
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scanf("%Z", p); // expected-warning{{invalid conversion specifier 'Z'}}
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}
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#endif
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