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Diffstat (limited to 'misc/tst-makedev.c')
-rw-r--r-- | misc/tst-makedev.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/misc/tst-makedev.c b/misc/tst-makedev.c deleted file mode 100644 index 173896849a..0000000000 --- a/misc/tst-makedev.c +++ /dev/null @@ -1,104 +0,0 @@ -/* Tests of functions to access `dev_t' values. - Copyright (C) 2016-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sys/types.h> -#include <sys/sysmacros.h> -#include <stdio.h> -#include <inttypes.h> - -/* Confirm that makedev (major (d), minor (d)) == d. */ -static int -do_test_split_combine (dev_t d1) -{ - unsigned int maj = major (d1); - unsigned int min = minor (d1); - dev_t d2 = makedev (maj, min); - if (d1 != d2) - { - printf ("FAIL: %016" PRIx64 " != %016" PRIx64 " (maj %08x min %08x)\n", - (uint64_t)d2, (uint64_t)d1, maj, min); - return 1; - } - else - return 0; -} - -/* Confirm that major (makedev (maj, min)) == maj and - minor (makedev (maj, min)) == min. */ -static int -do_test_combine_split (unsigned int maj1, unsigned int min1) -{ - dev_t d = makedev (maj1, min1); - unsigned int maj2 = major (d); - unsigned int min2 = minor (d); - if (maj1 != maj2 && min1 != min2) - { - printf ("FAIL: %08x != %08x, %08x != %08x (dev %016" PRIx64 ")\n", - maj2, maj1, min2, min1, (uint64_t)d); - return 1; - } - else if (maj1 != maj2) - { - printf ("FAIL: %08x != %08x, %08x == %08x (dev %016" PRIx64 ")\n", - maj2, maj1, min2, min1, (uint64_t)d); - return 1; - } - else if (min1 != min2) - { - printf ("FAIL: %08x == %08x, %08x != %08x (dev %016" PRIx64 ")\n", - maj2, maj1, min2, min1, (uint64_t)d); - return 1; - } - else - return 0; -} - -static int -do_test (void) -{ - dev_t d; - unsigned int maj, min; - int status = 0; - - /* Test the traditional range (16-bit dev_t, 8-bit each maj/min) - exhaustively. */ - for (d = 0; d <= 0xFFFF; d++) - status |= do_test_split_combine (d); - - for (maj = 0; maj <= 0xFF; maj++) - for (min = 0; min <= 0xFF; min++) - status |= do_test_combine_split (maj, min); - - /* Test glibc's expanded range (64-bit dev_t, 32-bit each maj/min). - Exhaustive testing would take much too long, instead we shift a - pair of 1-bits over each range. */ - { - unsigned int a, b; - for (a = 0; a <= 63; a++) - do_test_split_combine (((dev_t) 0x03) << a); - - for (a = 0; a < 31; a++) - for (b = 0; b <= 31; b++) - do_test_combine_split (0x03u << a, 0x03u << b); - } - - return status; -} - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |