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069985e1e8
Note that GCC's va_list seems to be implemented as some type with an array size of 1 (__va_list_tag[1]), which is expected to implicitly decay to a pointer when passed as a parameter. This unfortunately necessitates NOLINTBEGIN/END where it's used to silence clang-tidy.
33 lines
673 B
C++
33 lines
673 B
C++
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#include "config.h"
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#include "except.h"
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#include <cstdio>
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#include <cstdarg>
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#include "opthelpers.h"
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namespace al {
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base_exception::~base_exception() = default;
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void base_exception::setMessage(const char *msg, std::va_list args)
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{
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/* NOLINTBEGIN(*-array-to-pointer-decay) */
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std::va_list args2;
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va_copy(args2, args);
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int msglen{std::vsnprintf(nullptr, 0, msg, args)};
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if(msglen > 0) LIKELY
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{
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mMessage.resize(static_cast<size_t>(msglen)+1);
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std::vsnprintf(mMessage.data(), mMessage.length(), msg, args2);
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mMessage.pop_back();
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}
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va_end(args2);
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/* NOLINTEND(*-array-to-pointer-decay) */
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}
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} // namespace al
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