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/* $OpenBSD: strlcpy.c,v 1.10 2005/08/08 08:05:37 espie Exp $ */ | ||
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/* | ||
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> | ||
* | ||
* Permission to use, copy, modify, and distribute this software for any | ||
* purpose with or without fee is hereby granted, provided that the above | ||
* copyright notice and this permission notice appear in all copies. | ||
* | ||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
*/ | ||
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/* OPENBSD ORIGINAL: lib/libc/string/strlcpy.c */ | ||
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#ifndef HAVE_STRLCPY | ||
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#include <sys/types.h> | ||
#include <string.h> | ||
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/* | ||
* Copy src to string dst of size siz. At most siz-1 characters | ||
* will be copied. Always NUL terminates (unless siz == 0). | ||
* Returns strlen(src); if retval >= siz, truncation occurred. | ||
*/ | ||
size_t | ||
strlcpy(char *dst, const char *src, size_t siz) | ||
{ | ||
char *d = dst; | ||
const char *s = src; | ||
size_t n = siz; | ||
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/* Copy as many bytes as will fit */ | ||
if (n != 0 && --n != 0) { | ||
do { | ||
if ((*d++ = *s++) == 0) | ||
break; | ||
} while (--n != 0); | ||
} | ||
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/* Not enough room in dst, add NUL and traverse rest of src */ | ||
if (n == 0) { | ||
if (siz != 0) | ||
*d = '\0'; /* NUL-terminate dst */ | ||
while (*s++) | ||
; | ||
} | ||
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return(s - src - 1); /* count does not include NUL */ | ||
} | ||
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#endif /* !HAVE_STRLCPY */ |
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/* | ||
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> | ||
* | ||
* Permission to use, copy, modify, and distribute this software for any | ||
* purpose with or without fee is hereby granted, provided that the above | ||
* copyright notice and this permission notice appear in all copies. | ||
* | ||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
*/ | ||
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/* OPENBSD ORIGINAL: lib/libc/string/strlcpy.c */ | ||
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size_t strlcpy(char *, const char *, size_t); |