diff options
| author | Richard Nyberg <rnyberg@murmeldjur.se> | 2006-11-07 09:40:25 +0000 |
|---|---|---|
| committer | Richard Nyberg <rnyberg@murmeldjur.se> | 2006-11-07 09:40:25 +0000 |
| commit | 5ccf414cbff49636a365a6bce2d2641be90ea412 (patch) | |
| tree | a4305df50e7893cecb60822d6e1b50403e45e8be /libevent/strlcpy.c | |
| parent | 568d1163350f81be1f71b6c8b2c7b59fc4a4db86 (diff) | |
| download | btpd-5ccf414cbff49636a365a6bce2d2641be90ea412.tar.gz btpd-5ccf414cbff49636a365a6bce2d2641be90ea412.zip | |
Include libevent 1.2 in btpd.
Diffstat (limited to 'libevent/strlcpy.c')
| -rw-r--r-- | libevent/strlcpy.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/libevent/strlcpy.c b/libevent/strlcpy.c new file mode 100644 index 0000000..163f425 --- /dev/null +++ b/libevent/strlcpy.c @@ -0,0 +1,74 @@ +/* $OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $ */ + +/* + * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL + * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char *rcsid = "$OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <sys/types.h> + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif /* HAVE_CONFIG_H */ + +#include <string.h> + +/* + * 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(dst, src, siz) + char *dst; + const char *src; + size_t siz; +{ + register char *d = dst; + register const char *s = src; + register size_t n = siz; + + /* Copy as many bytes as will fit */ + if (n != 0 && --n != 0) { + do { + if ((*d++ = *s++) == 0) + break; + } while (--n != 0); + } + + /* 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++) + ; + } + + return(s - src - 1); /* count does not include NUL */ +} |