44 lines
2.4 KiB
C
44 lines
2.4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ 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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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/bits/safemacros.h"
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#include "libc/macros.h"
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#include "libc/str/str.h"
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/**
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* Copies string, the BSD way.
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*
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* @param d is buffer which needn't be initialized
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* @param s is a NUL-terminated string
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* @param n is byte capacity of d
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* @return strlen(s)
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* @note d and s can't overlap
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* @note we prefer memccpy()
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*/
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size_t strlcpy(char *d, const char *s, size_t n) {
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size_t slen, actual;
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slen = strlen(s);
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if (n) {
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actual = MIN(n, slen);
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memcpy(d, s, actual);
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d[actual] = '\0';
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}
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return slen;
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}
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