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1b98ccc4e9
ExtWarn/Warnings. Mostly the name of the warning was changed to match the semantics, but in the PR20356 cases, the warning was about valid code, so the diagnostic was changed from ExtWarn to Warning instead. llvm-svn: 213443
30 lines
1.9 KiB
C
30 lines
1.9 KiB
C
// RUN: %clang_cc1 -triple i686-linux-gnu -fsyntax-only -verify -std=c99 -Wformat-non-iso %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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