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* stdlib/Makefile (tests): Add tst-bsearch.
	* stdlib/tst-bsearch.c: New file.
This commit is contained in:
Ulrich Drepper 2000-09-06 21:04:46 +00:00
parent b64cd08aab
commit 8cb9c6509b
3 changed files with 88 additions and 1 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2000-09-06 Ulrich Drepper <drepper@redhat.com>
* stdlib/Makefile (tests): Add tst-bsearch.
* stdlib/tst-bsearch.c: New file.
* posix/getopt.c (_getopt_internal): Don't recognize an option
name as ambiguous if it's a prefix for more than one name but the
other struct option values are identical.

2
stdlib/Makefile
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@ -52,7 +52,7 @@ routines := \
distribute := exit.h grouping.h abort-instr.h isomac.c
tests := tst-strtol tst-strtod testmb testrand testsort testdiv \
test-canon test-canon2 tst-strtoll tst-environ \
tst-xpg-basename tst-random
tst-xpg-basename tst-random tst-bsearch
# Several mpn functions from GNU MP are used by the strtod function.

84
stdlib/tst-bsearch.c Normal file
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@ -0,0 +1,84 @@
/* Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2000.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <stdio.h>
#include <stdlib.h>
struct entry
{
int val;
const char *str;
} arr[] =
{
{ 0, "zero" },
{ 1, "one" },
{ 2, "two" },
{ 3, "three" },
{ 4, "four" },
{ 5, "five" },
{ 6, "six" },
{ 7, "seven" },
{ 8, "eight" },
{ 9, "nine" },
{ 10, "ten" }
};
#define narr (sizeof (arr) / sizeof (arr[0]))
static int
comp (const void *p1, const void *p2)
{
struct entry *e1 = (struct entry *) p1;
struct entry *e2 = (struct entry *) p2;
return e1->val - e2->val;
}
int
main (void)
{
int cnt;
int result = 0;
for (cnt = 0; cnt < narr; ++cnt)
{
struct entry key;
struct entry *res;
key.val = arr[cnt].val;
res = (struct entry *) bsearch (&key, arr, narr, sizeof (arr[0]), comp);
if (res == NULL)
{
printf ("entry %d not found\n", cnt);
result = 1;
}
else if (res != &arr[cnt])
{
puts ("wrong entry returned");
result = 1;
}
}
if (result == 0)
puts ("all OK");
return result;
}