forked from openkylin/libssh2
73 lines
2.7 KiB
C
73 lines
2.7 KiB
C
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/* Copyright (c) 2014 Alexander Lamaison <alexander.lamaison@gmail.com>
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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*
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* Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* Neither the name of the copyright holder nor the names
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* of any other contributors may be used to endorse or
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* promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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/* Headers */
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#cmakedefine HAVE_UNISTD_H
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#cmakedefine HAVE_INTTYPES_H
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#cmakedefine HAVE_SYS_PARAM_H
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#cmakedefine HAVE_SYS_SOCKET_H
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#cmakedefine HAVE_ARPA_INET_H
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#cmakedefine HAVE_NETINET_IN_H
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#cmakedefine HAVE_WINDOWS_H
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#cmakedefine HAVE_WINSOCK2_H
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#cmakedefine HAVE_SNPRINTF
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/* snprintf not in Visual Studio CRT and _snprintf dangerously incompatible.
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We provide a safe wrapper if snprintf not found */
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#ifndef HAVE_SNPRINTF
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#include <stdio.h>
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#include <stdarg.h>
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/* Want safe, 'n += snprintf(b + n ...)' like function. If cp_max_len is 1
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* then assume cp is pointing to a null char and do nothing. Returns number
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* number of chars placed in cp excluding the trailing null char. So for
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* cp_max_len > 0 the return value is always < cp_max_len; for cp_max_len
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* <= 0 the return value is 0 (and no chars are written to cp). */
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static int snprintf(char *cp, int cp_max_len, const char *fmt, ...)
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{
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va_list args;
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int n;
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if (cp_max_len < 2)
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return 0;
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va_start(args, fmt);
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n = vsnprintf(cp, cp_max_len, fmt, args);
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va_end(args);
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return (n < cp_max_len) ? n : (cp_max_len - 1);
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}
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#define HAVE_SNPRINTF
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#endif
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