64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
#include <string.h>
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#if defined (STACK_SIZE)
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#define MEMCPY_SIZE (STACK_SIZE / 3)
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#else
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#define MEMCPY_SIZE (1 << 17)
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#endif
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void *copy (void *o, const void *i, unsigned l)
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{
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return memcpy (o, i, l);
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}
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main ()
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{
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unsigned i;
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unsigned char src[MEMCPY_SIZE];
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unsigned char dst[MEMCPY_SIZE];
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for (i = 0; i < MEMCPY_SIZE; i++)
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src[i] = (unsigned char) i, dst[i] = 0;
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(void) memcpy (dst, src, MEMCPY_SIZE / 128);
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for (i = 0; i < MEMCPY_SIZE / 128; i++)
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if (dst[i] != (unsigned char) i)
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abort ();
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(void) memset (dst, 1, MEMCPY_SIZE / 128);
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for (i = 0; i < MEMCPY_SIZE / 128; i++)
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if (dst[i] != 1)
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abort ();
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(void) memcpy (dst, src, MEMCPY_SIZE);
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for (i = 0; i < MEMCPY_SIZE; i++)
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if (dst[i] != (unsigned char) i)
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abort ();
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(void) memset (dst, 0, MEMCPY_SIZE);
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for (i = 0; i < MEMCPY_SIZE; i++)
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if (dst[i] != 0)
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abort ();
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(void) copy (dst, src, MEMCPY_SIZE / 128);
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for (i = 0; i < MEMCPY_SIZE / 128; i++)
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if (dst[i] != (unsigned char) i)
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abort ();
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(void) memset (dst, 0, MEMCPY_SIZE);
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(void) copy (dst, src, MEMCPY_SIZE);
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for (i = 0; i < MEMCPY_SIZE; i++)
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if (dst[i] != (unsigned char) i)
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abort ();
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exit (0);
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}
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