45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
/*
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* Test alignment functionality (C11/C17).
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*/
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#include <stdio.h>
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#include <stdalign.h>
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#include <stddef.h>
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#include <stdlib.h>
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int main(void) {
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char _Alignas(short) a;
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alignas(_Alignof(max_align_t)) char b;
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a = 'a';
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b = 'b';
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if (a != 'a' || b != 'b')
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goto Fail;
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if (!(alignof(char) <= _Alignof(int)))
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goto Fail;
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if (!(alignof(long double) <= _Alignof(max_align_t)))
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goto Fail;
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long *lp = aligned_alloc(alignof(long), sizeof(long)*2);
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if (lp == NULL)
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goto Fail;
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*(lp+1) = 123456789;
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if (lp[1] != 123456789)
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goto Fail;
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free(lp);
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// aligned_alloc with invalid alignment must return NULL (C17).
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lp = aligned_alloc(123, 123);
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if (lp)
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goto Fail;
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printf ("Passed Conformance Test c11align\n");
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return 0;
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Fail:
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printf ("Failed Conformance Test c11align\n");
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}
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