28 lines
1.3 KiB
C
28 lines
1.3 KiB
C
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -verify %s
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int printf(char const *, ...);
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void test(void) {
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// size_t
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printf("%zu", (double)42); // expected-warning {{format specifies type 'size_t' (aka 'unsigned long') but the argument has type 'double'}}
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// intmax_t / uintmax_t
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printf("%jd", (double)42); // expected-warning {{format specifies type 'intmax_t' (aka 'long') but the argument has type 'double'}}
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printf("%ju", (double)42); // expected-warning {{format specifies type 'uintmax_t' (aka 'unsigned long') but the argument has type 'double'}}
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// ptrdiff_t
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printf("%td", (double)42); // expected-warning {{format specifies type 'ptrdiff_t' (aka 'long') but the argument has type 'double'}}
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}
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void test_writeback(void) {
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printf("%jn", (long*)0); // no-warning
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printf("%jn", (unsigned long*)0); // no-warning
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printf("%jn", (int*)0); // expected-warning{{format specifies type 'intmax_t *' (aka 'long *') but the argument has type 'int *'}}
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printf("%zn", (long*)0); // no-warning
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// FIXME: Warn about %zn with non-ssize_t argument.
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printf("%tn", (long*)0); // no-warning
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printf("%tn", (unsigned long*)0); // no-warning
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printf("%tn", (int*)0); // expected-warning{{format specifies type 'ptrdiff_t *' (aka 'long *') but the argument has type 'int *'}}
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}
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