30 lines
1.9 KiB
C
30 lines
1.9 KiB
C
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// RUN: %clang_cc1 -triple i686-linux-gnu -fsyntax-only -verify -std=c99 -pedantic %s
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int printf(const char *restrict, ...);
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int scanf(const char * restrict, ...);
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void f(void) {
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char *cp;
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// The 'q' length modifier.
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printf("%qd", (long long)42); // expected-warning{{'q' length modifier is not supported by ISO C}} expected-note{{did you mean to use 'll'?}}
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scanf("%qd", (long long *)0); // expected-warning{{'q' length modifier is not supported by ISO C}} expected-note{{did you mean to use 'll'?}}
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// The 'm' length modifier.
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scanf("%ms", &cp); // expected-warning{{'m' length modifier is not supported by ISO C}}
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// The 'S' and 'C' conversion specifiers.
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printf("%S", L"foo"); // expected-warning{{'S' conversion specifier is not supported by ISO C}}
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printf("%C", L'x'); // expected-warning{{'C' conversion specifier is not supported by ISO C}}
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// Combining 'L' with an integer conversion specifier.
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printf("%Li", (long long)42); // expected-warning{{using length modifier 'L' with conversion specifier 'i' is not supported by ISO C}} expected-note{{did you mean to use 'll'?}}
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printf("%Lo", (long long)42); // expected-warning{{using length modifier 'L' with conversion specifier 'o' is not supported by ISO C}} expected-note{{did you mean to use 'll'?}}
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printf("%Lu", (long long)42); // expected-warning{{using length modifier 'L' with conversion specifier 'u' is not supported by ISO C}} expected-note{{did you mean to use 'll'?}}
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printf("%Lx", (long long)42); // expected-warning{{using length modifier 'L' with conversion specifier 'x' is not supported by ISO C}} expected-note{{did you mean to use 'll'?}}
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printf("%LX", (long long)42); // expected-warning{{using length modifier 'L' with conversion specifier 'X' is not supported by ISO C}} expected-note{{did you mean to use 'll'?}}
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// Positional arguments.
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printf("%1$d", 42); // expected-warning{{positional arguments are not supported by ISO C}}
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}
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