mirror of
https://github.com/matrix-construct/construct
synced 2024-11-05 13:28:54 +01:00
61b517ca3c
* To benefit from the precompiled-header (PCH) it MUST provide "the first C token." Advantages: Never worry about the include stack again. Remember, this means one less thing for random module developers, community people learning C++, and new developers to deal with. It should reduce the learning curve and barrier for participation. Disadvantages: Makes overall compilation a bit slower, especially without any additional work to improve it again. There are several opportunities, places where the PCH is probably being ignored, etc that can be addressed.
50 lines
1.7 KiB
C++
50 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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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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