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fcbccaa194
__throw_out_of_range_fmt is implemented in libstdc++, but it is needed by libsupc++ and that would mean we would have to link all C++ code to libstdc++.
43 lines
992 B
C++
43 lines
992 B
C++
/*
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* PROJECT: GCC c++ support library
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* LICENSE: MIT (https://spdx.org/licenses/MIT)
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* PURPOSE: __throw_out_of_range_fmt implementation
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* COPYRIGHT: Copyright 2024 Timo Kreuzer <timo.kreuzer@reactos.org>
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*/
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#include <stdexcept>
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#include <cstdarg>
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#include <cstring>
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#include <malloc.h>
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namespace std {
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class out_of_range_error : public exception
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{
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char* m_msg;
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public:
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explicit out_of_range_error(const char* msg) noexcept
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{
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size_t len = strlen(msg) + 1;
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m_msg = (char*)malloc(len);
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strcpy(m_msg, msg);
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}
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virtual ~out_of_range_error() { free(m_msg); };
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virtual const char* what() const noexcept { return m_msg; }
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};
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void __throw_out_of_range_fmt(const char *format, ...)
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{
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char buffer[1024];
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va_list argptr;
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va_start(argptr, format);
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_vsnprintf(buffer, sizeof(buffer), format, argptr);
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buffer[sizeof(buffer) - 1] = 0;
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va_end(argptr);
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throw out_of_range_error(buffer);
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}
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} // namespace std
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