/* Copyright (C) 2002 Free Software Foundation.
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/* Copyright (C) 2002 Free Software Foundation.
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Test strlen with various combinations of pointer alignments and lengths to
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Test strlen with various combinations of pointer alignments and lengths to
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make sure any optimizations in the library are correct.
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make sure any optimizations in the library are correct.
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Written by Michael Meissner, March 9, 2002. */
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Written by Michael Meissner, March 9, 2002. */
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#include <string.h>
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#include <string.h>
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#include <stddef.h>
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#include <stddef.h>
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#ifndef MAX_OFFSET
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#ifndef MAX_OFFSET
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#define MAX_OFFSET (sizeof (long long))
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#define MAX_OFFSET (sizeof (long long))
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#endif
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#endif
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#ifndef MAX_TEST
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#ifndef MAX_TEST
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#define MAX_TEST (8 * sizeof (long long))
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#define MAX_TEST (8 * sizeof (long long))
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#endif
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#endif
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#ifndef MAX_EXTRA
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#ifndef MAX_EXTRA
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#define MAX_EXTRA (sizeof (long long))
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#define MAX_EXTRA (sizeof (long long))
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#endif
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#endif
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#define MAX_LENGTH (MAX_OFFSET + MAX_TEST + MAX_EXTRA + 1)
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#define MAX_LENGTH (MAX_OFFSET + MAX_TEST + MAX_EXTRA + 1)
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static union {
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static union {
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char buf[MAX_LENGTH];
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char buf[MAX_LENGTH];
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long long align_int;
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long long align_int;
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long double align_fp;
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long double align_fp;
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} u;
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} u;
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main ()
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main ()
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{
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{
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size_t off, len, len2, i;
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size_t off, len, len2, i;
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char *p;
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char *p;
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for (off = 0; off < MAX_OFFSET; off++)
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for (off = 0; off < MAX_OFFSET; off++)
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for (len = 0; len < MAX_TEST; len++)
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for (len = 0; len < MAX_TEST; len++)
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{
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{
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p = u.buf;
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p = u.buf;
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for (i = 0; i < off; i++)
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for (i = 0; i < off; i++)
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*p++ = '\0';
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*p++ = '\0';
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for (i = 0; i < len; i++)
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for (i = 0; i < len; i++)
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*p++ = 'a';
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*p++ = 'a';
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*p++ = '\0';
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*p++ = '\0';
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for (i = 0; i < MAX_EXTRA; i++)
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for (i = 0; i < MAX_EXTRA; i++)
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*p++ = 'b';
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*p++ = 'b';
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p = u.buf + off;
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p = u.buf + off;
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len2 = strlen (p);
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len2 = strlen (p);
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if (len != len2)
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if (len != len2)
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abort ();
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abort ();
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}
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}
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exit (0);
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exit (0);
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}
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}
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