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e55512504d
Notably: - libc needs to #undef some of the macros from ssp/* for underlying implementations - ssp/* wants a __RENAME() macro (snatched more or less from NetBSD) There's some extra hinkiness included for read(), since libc spells it as "_read" while the rest of the world spells it "read." Reviewed by: imp, ngie Sponsored by: Stormshield Sponsored by: Klara, Inc. Differential Revision: https://reviews.freebsd.org/D32307
31 lines
520 B
C
31 lines
520 B
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2023 Robert Clausecker
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*/
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#include <sys/cdefs.h>
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#include <string.h>
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#undef strncat /* _FORTIFY_SOURCE */
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void *__memccpy(void *restrict, const void *restrict, int, size_t);
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char *
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strncat(char *dest, const char *src, size_t n)
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{
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size_t len;
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char *endptr;
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len = strlen(dest);
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endptr = __memccpy(dest + len, src, '\0', n);
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/* avoid an extra branch */
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if (endptr == NULL)
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endptr = dest + len + n + 1;
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endptr[-1] = '\0';
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return (dest);
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}
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