diff options
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | stdlib/Makefile | 2 | ||||
| -rw-r--r-- | stdlib/tst-bsearch.c | 84 |
3 files changed, 88 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index 894f97180d..433dbcae52 100644 --- a/ChangeLog +++ b/ChangeLog @@ -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. diff --git a/stdlib/Makefile b/stdlib/Makefile index 6a0d39bf1d..24b4b44fbf 100644 --- a/stdlib/Makefile +++ b/stdlib/Makefile @@ -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. diff --git a/stdlib/tst-bsearch.c b/stdlib/tst-bsearch.c new file mode 100644 index 0000000000..2d067c3acc --- /dev/null +++ b/stdlib/tst-bsearch.c @@ -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; +} |