31 lines
1.4 KiB
C
31 lines
1.4 KiB
C
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/* RUN: %clang_cc1 -fsyntax-only -verify -triple i386-apple-darwin9 -pedantic -std=c89 %s
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*/
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int scanf(const char * restrict, ...);
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int printf(const char *restrict, ...);
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void foo(char **sp, float *fp, int *ip) {
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scanf("%as", sp); /* expected-warning{{'a' length modifier is not supported by ISO C}} */
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scanf("%a[abc]", sp); /* expected-warning{{'a' length modifier is not supported by ISO C}} */
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/* TODO: Warn that the 'a' conversion specifier is a C99 feature. */
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scanf("%a", fp);
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scanf("%afoobar", fp);
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printf("%a", 1.0);
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printf("%as", 1.0);
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printf("%aS", 1.0);
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printf("%a[", 1.0);
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printf("%afoo", 1.0);
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scanf("%da", ip);
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/* Test argument type check for the 'a' length modifier. */
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scanf("%as", fp); /* expected-warning{{format specifies type 'char **' but the argument has type 'float *'}}
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expected-warning{{'a' length modifier is not supported by ISO C}} */
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scanf("%aS", fp); /* expected-warning{{format specifies type 'wchar_t **' (aka 'int **') but the argument has type 'float *'}}
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expected-warning{{'a' length modifier is not supported by ISO C}}
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expected-warning{{'S' conversion specifier is not supported by ISO C}} */
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scanf("%a[abc]", fp); /* expected-warning{{format specifies type 'char **' but the argument has type 'float *'}}
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expected-warning{{'a' length modifier is not supported by ISO C}} */
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}
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