46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
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/* Test and measure stpcpy checking functions.
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Copyright (C) 1999-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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, see
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<https://www.gnu.org/licenses/>. */
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#define STRCPY_RESULT(dst, len) ((dst) + (len))
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#define TEST_MAIN
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#define TEST_NAME "stpcpy_chk"
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#include "../string/test-string.h"
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extern void __attribute__ ((noreturn)) __chk_fail (void);
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char *simple_stpcpy_chk (char *, const char *, size_t);
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extern char *normal_stpcpy (char *, const char *, size_t)
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__asm ("stpcpy");
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extern char *__stpcpy_chk (char *, const char *, size_t);
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IMPL (simple_stpcpy_chk, 0)
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IMPL (normal_stpcpy, 1)
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IMPL (__stpcpy_chk, 2)
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char *
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simple_stpcpy_chk (char *dst, const char *src, size_t len)
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{
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if (! len)
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__chk_fail ();
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while ((*dst++ = *src++) != '\0')
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if (--len == 0)
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__chk_fail ();
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return dst - 1;
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}
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#include "test-strcpy_chk.c"
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