mirror of
https://github.com/matrix-construct/construct
synced 2024-06-02 18:18:56 +02:00
53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
/*
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* charybdis: 21st Century IRCd
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* exception.cc: Exception root
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*
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* Copyright (C) 2016 Charybdis Development Team
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* Copyright (C) 2016 Jason Volk <jason@zemos.net>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <ircd/exception.h>
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using namespace ircd;
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ssize_t
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exception::generate(const char *const &fmt,
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va_list ap)
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noexcept
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{
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return vsnprintf(buf, sizeof(buf), fmt, ap);
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}
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ssize_t
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exception::generate(const char *const &name,
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const char *const &fmt,
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va_list ap)
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noexcept
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{
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size_t size(0);
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const bool empty(!fmt || !fmt[0] || fmt[0] == ' ');
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size = rb_strlcpy(buf, name, sizeof(buf));
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size = rb_strlcat(buf, empty? "." : ": ", sizeof(buf));
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if(size < sizeof(buf))
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size += vsnprintf(buf + size, sizeof(buf) - size, fmt, ap);
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return size;
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}
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