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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
136 lines
3.0 KiB
C
136 lines
3.0 KiB
C
/* Copyright (C) 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2000.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <stdio.h>
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#include <stdlib.h>
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struct entry
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{
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int val;
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const char *str;
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} arr[] =
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{
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{ 0, "zero" },
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{ 1, "one" },
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{ 2, "two" },
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{ 3, "three" },
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{ 4, "four" },
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{ 5, "five" },
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{ 6, "six" },
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{ 7, "seven" },
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{ 8, "eight" },
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{ 9, "nine" },
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{ 10, "ten" }
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};
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#define narr (sizeof (arr) / sizeof (arr[0]))
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static int
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comp (const void *p1, const void *p2)
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{
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struct entry *e1 = (struct entry *) p1;
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struct entry *e2 = (struct entry *) p2;
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return e1->val - e2->val;
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}
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int
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main (void)
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{
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int cnt;
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int result = 0;
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struct entry key;
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struct entry *res;
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for (cnt = 0; cnt < narr; ++cnt)
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{
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key.val = arr[cnt].val;
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res = (struct entry *) bsearch (&key, arr, narr, sizeof (arr[0]), comp);
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if (res == NULL)
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{
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printf ("entry %d not found\n", cnt);
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result = 1;
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}
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else if (res != &arr[cnt])
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{
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puts ("wrong entry returned");
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result = 1;
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}
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}
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/* And some special tests that shouldn't find any entry. */
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key.val = -1;
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res = (struct entry *) bsearch (&key, arr, narr, sizeof (arr[0]), comp);
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if (res != NULL)
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{
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puts ("found an entry that's not there");
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result = 1;
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}
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key.val = 11;
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res = (struct entry *) bsearch (&key, arr, narr, sizeof (arr[0]), comp);
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if (res != NULL)
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{
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puts ("found an entry that's not there");
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result = 1;
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}
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key.val = 11;
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res = (struct entry *) bsearch (&key, arr, 0, sizeof (arr[0]), comp);
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if (res != NULL)
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{
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puts ("found an entry that's not there");
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result = 1;
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}
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/* Now the array contains only one element - no entry should be found. */
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for (cnt = 0; cnt < narr; ++cnt)
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{
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key.val = arr[cnt].val;
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res = (struct entry *) bsearch (&key, &arr[5], 1, sizeof (arr[0]), comp);
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if (cnt == 5)
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{
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if (res == NULL)
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{
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printf ("entry %d not found\n", cnt);
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result = 1;
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}
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else if (res != &arr[cnt])
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{
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puts ("wrong entry returned");
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result = 1;
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}
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}
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else if (res != NULL)
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{
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puts ("found an entry that's not there");
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result = 1;
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}
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}
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if (result == 0)
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puts ("all OK");
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return result;
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}
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