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dd8486ffc1
If libc_hidden_builtin_{def,proto} isn't properly set for *_chk routines,
there are unwanted PLT entries in libc.so.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
/* Copyright (C) 1992-2023 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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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <string.h>
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/* Copy SRC to DEST, returning the address of the terminating '\0' in DEST. */
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char *
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__stpcpy_chk (char *dest, const char *src, size_t destlen)
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{
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size_t len = strlen (src);
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if (len >= destlen)
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__chk_fail ();
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return memcpy (dest, src, len + 1) + len;
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}
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libc_hidden_builtin_def (__stpcpy_chk)
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