| 1 | /* RUN: %clang_cc1 -fsyntax-only -verify -triple i386-apple-darwin9 -Wformat-non-iso -std=c89 %s |
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| 2 | */ |
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| 3 | |
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| 4 | int scanf(const char * restrict, ...); |
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| 5 | int printf(const char *restrict, ...); |
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| 6 | |
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| 7 | void foo(char **sp, float *fp, int *ip) { |
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| 8 | scanf("%as", sp); /* expected-warning{{'a' length modifier is not supported by ISO C}} */ |
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| 9 | scanf("%a[abc]", sp); /* expected-warning{{'a' length modifier is not supported by ISO C}} */ |
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| 10 | |
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| 11 | /* TODO: Warn that the 'a' conversion specifier is a C99 feature. */ |
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| 12 | scanf("%a", fp); |
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| 13 | scanf("%afoobar", fp); |
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| 14 | printf("%a", 1.0); |
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| 15 | printf("%as", 1.0); |
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| 16 | printf("%aS", 1.0); |
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| 17 | printf("%a[", 1.0); |
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| 18 | printf("%afoo", 1.0); |
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| 19 | |
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| 20 | scanf("%da", ip); |
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| 21 | |
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| 22 | /* Test argument type check for the 'a' length modifier. */ |
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| 23 | scanf("%as", fp); /* expected-warning{{format specifies type 'char **' but the argument has type 'float *'}} |
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| 24 | expected-warning{{'a' length modifier is not supported by ISO C}} */ |
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| 25 | scanf("%aS", fp); /* expected-warning{{format specifies type 'wchar_t **' (aka 'int **') but the argument has type 'float *'}} |
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| 26 | expected-warning{{'a' length modifier is not supported by ISO C}} |
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| 27 | expected-warning{{'S' conversion specifier is not supported by ISO C}} */ |
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| 28 | scanf("%a[abc]", fp); /* expected-warning{{format specifies type 'char **' but the argument has type 'float *'}} |
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| 29 | expected-warning{{'a' length modifier is not supported by ISO C}} */ |
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| 30 | } |
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| 31 | |
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