mirror of
https://github.com/mkxp-z/mkxp-z.git
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215046d8b4
In C, variables defined as `const` have external linkage. In C++, variables defined as `const` have internal linkage, and we need to define them as `extern const` for them to have external linkage like in C. However, in C, defining a variable as `extern const` throws a compiler error, so we need to add `extern` only for C++ files.
59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
/*
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** embedtool.cpp
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**
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** This file is part of mkxp.
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**
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** Copyright (C) 2013 - 2021 Amaryllis Kulla <ancurio@mapleshrine.eu>
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**
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** mkxp is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 2 of the License, or
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** (at your option) any later version.
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**
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** mkxp is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with mkxp. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <cstdint>
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#include <fstream>
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int main(int argc, char **argv) {
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if (argc < 4) {
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return 1;
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}
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const char *input = argv[1];
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const char *output = argv[2];
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const char *arrayname = argv[3];
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std::ifstream inputf(input, std::ios::binary);
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if (!inputf.is_open()) {
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return 2;
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}
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std::ofstream outputf(output, std::ios::binary);
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if (!outputf.is_open()) {
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return 3;
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}
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outputf << "#ifndef MKXPZ_EMBEDTOOL_" << arrayname << "\n#define MKXPZ_EMBEDTOOL_" << arrayname << "\n#include <stddef.h>\n#include <stdint.h>\n#ifdef __cplusplus\nextern\n#endif /* __cplusplus */\nconst uint8_t " << arrayname << "[] = {";
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uint64_t len = 0;
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for (;;) {
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unsigned char c = inputf.get();
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if (inputf.eof()) {
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break;
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}
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outputf << (unsigned int)c << ',';
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++len;
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}
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outputf << "};\n#ifdef __cplusplus\nextern\n#endif /* __cplusplus */\nconst size_t " << arrayname << "_len = " << len << "ULL;\n#endif /* MKXPZ_EMBEDTOOL_" << arrayname << " */\n";
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return 0;
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}
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