| 1 | /* Test strlen with 0 in the RSI register. |
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| 2 | Copyright (C) 2021-2024 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #ifdef WIDE |
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| 20 | # define TEST_NAME "wcslen" |
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| 21 | #else |
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| 22 | # define TEST_NAME "strlen" |
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| 23 | #endif /* WIDE */ |
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| 24 | |
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| 25 | #define TEST_MAIN |
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| 26 | #include <string/test-string.h> |
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| 27 | |
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| 28 | #ifdef WIDE |
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| 29 | # include <wchar.h> |
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| 30 | # define STRLEN wcslen |
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| 31 | # define CHAR wchar_t |
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| 32 | #else |
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| 33 | # define STRLEN strlen |
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| 34 | # define CHAR char |
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| 35 | #endif /* WIDE */ |
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| 36 | |
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| 37 | IMPL (STRLEN, 1) |
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| 38 | |
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| 39 | typedef size_t (*proto_t) (const CHAR *); |
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| 40 | |
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| 41 | typedef struct |
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| 42 | { |
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| 43 | void (*fn) (void); |
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| 44 | } parameter_t; |
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| 45 | |
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| 46 | size_t |
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| 47 | __attribute__ ((weak, noinline, noclone)) |
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| 48 | do_strlen (parameter_t *a, int zero, const CHAR *str) |
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| 49 | { |
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| 50 | return CALL (a, str); |
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| 51 | } |
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| 52 | |
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| 53 | static int |
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| 54 | test_main (void) |
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| 55 | { |
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| 56 | test_init (); |
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| 57 | |
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| 58 | size_t size = page_size / sizeof (CHAR) - 1; |
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| 59 | CHAR *buf = (CHAR *) buf2; |
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| 60 | buf[size] = 0; |
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| 61 | |
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| 62 | parameter_t a; |
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| 63 | |
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| 64 | int ret = 0; |
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| 65 | FOR_EACH_IMPL (impl, 0) |
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| 66 | { |
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| 67 | a.fn = impl->fn; |
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| 68 | /* NB: Pass 0 in RSI. */ |
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| 69 | size_t res = do_strlen (a: &a, zero: 0, str: buf); |
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| 70 | if (res != size) |
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| 71 | { |
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| 72 | error (status: 0, errnum: 0, format: "Wrong result in function %s: %zu != %zu" , |
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| 73 | impl->name, res, size); |
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| 74 | ret = 1; |
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| 75 | } |
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| 76 | } |
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| 77 | |
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| 78 | return ret ? EXIT_FAILURE : EXIT_SUCCESS; |
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| 79 | } |
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| 80 | |
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| 81 | #include <support/test-driver.c> |
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| 82 | |
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