31 lines
855 B
C
31 lines
855 B
C
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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int printf(const char *, ...);
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const char* f(const char *s) __attribute__((format_arg(1)));
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const char *h(const char *msg1, const char *msg2)
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__attribute__((__format_arg__(1))) __attribute__((__format_arg__(2)));
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void g(const char *s) {
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printf("%d", 123);
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printf("%d %d", 123); // expected-warning{{more '%' conversions than data arguments}}
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printf(f("%d"), 123);
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printf(f("%d %d"), 123); // expected-warning{{more '%' conversions than data arguments}}
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printf(h(
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"", // expected-warning {{format string is empty}}
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"" // expected-warning {{format string is empty}}
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), 123);
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printf(h(
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"%d",
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"" // expected-warning {{format string is empty}}
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), 123);
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printf(h(
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"", // expected-warning {{format string is empty}}
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"%d"
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), 123);
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printf(h("%d", "%d"), 123);
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}
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