author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 02:56:42 +0300 | |
changeset 68 | ff3fc7722556 |
parent 0 | e4d67989cc36 |
permissions | -rw-r--r-- |
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/* $OpenBSD: strlcpy.c,v 1.4 1999/05/01 18:56:41 millert Exp $ */ |
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/* |
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* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
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* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* © Portions copyright (c) 2005-2006 Nokia Corporation. All rights reserved. |
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*/ |
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|
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#if defined(LIBC_SCCS) && !defined(lint) |
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static char *rcsid = "$OpenBSD: strlcpy.c,v 1.4 1999/05/01 18:56:41 millert Exp $"; |
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#endif /* LIBC_SCCS and not lint */ |
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#include <sys/cdefs.h> |
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#ifndef __SYMBIAN32__ |
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__FBSDID("$FreeBSD: src/lib/libc/string/strlcpy.c,v 1.8 2004/10/14 21:31:42 stefanf Exp $"); |
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#endif |
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|
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#include <sys/types.h> |
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#include <string.h> |
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|
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/* |
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* Copy src to string dst of size siz. At most siz-1 characters |
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* will be copied. Always NUL terminates (unless siz == 0). |
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* Returns strlen(src); if retval >= siz, truncation occurred. |
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*/ |
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EXPORT_C |
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size_t strlcpy(dst, src, siz) |
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char *dst; |
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const char *src; |
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size_t siz; |
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{ |
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char *d = dst; |
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const char *s = src; |
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size_t n = siz; |
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/* Copy as many bytes as will fit */ |
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if (n != 0 && --n != 0) { |
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do { |
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if ((*d++ = *s++) == 0) |
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break; |
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} while (--n != 0); |
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} |
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|
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/* Not enough room in dst, add NUL and traverse rest of src */ |
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if (n == 0) { |
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if (siz != 0) |
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*d = '\0'; /* NUL-terminate dst */ |
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while (*s++) |
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; |
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} |
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return(s - src - 1); /* count does not include NUL */ |
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} |