7479c855a0
It won't cause harm since strcpy_s() deals with zero length buffers, but it invokes the invalid parameter handler, which can disrupt execution on debug builds.
74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 1995-2002 Kungliga Tekniska Högskolan
|
|
* (Royal Institute of Technology, Stockholm, Sweden).
|
|
* 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. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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.
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include "roken.h"
|
|
|
|
#ifndef HAVE_STRLCPY
|
|
|
|
#if defined(_MSC_VER) && _MSC_VER >= 1400
|
|
|
|
ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL
|
|
strlcpy (char *dst, const char *src, size_t dst_cch)
|
|
{
|
|
errno_t e;
|
|
|
|
if (dst_cch > 0)
|
|
e = strncpy_s(dst, dst_cch, src, _TRUNCATE);
|
|
|
|
return strlen (src);
|
|
}
|
|
|
|
#else
|
|
|
|
ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL
|
|
strlcpy (char *dst, const char *src, size_t dst_sz)
|
|
{
|
|
size_t n;
|
|
|
|
for (n = 0; n < dst_sz; n++) {
|
|
if ((*dst++ = *src++) == '\0')
|
|
break;
|
|
}
|
|
|
|
if (n < dst_sz)
|
|
return n;
|
|
if (n > 0)
|
|
*(dst - 1) = '\0';
|
|
return n + strlen (src);
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif
|