russell@unturf.com
d7388d43ba
Native QR generation for each language's ecosystem: - 27 languages use package manager QR libraries (qrcode, rqrcode, ZXing, etc.) - 10 languages use C FFI to libqrencode (dlopen, ISO_C_BINDING, @cImport, critcl) - 2 shell languages use qrencode CLI (native shell paradigm) - 1 language (Prolog) uses C FFI with CLI fallback Section 9 added to test-sdk.sh with get_qr_file() mapping and QR:unsandbox-qr-ok:ROWS pattern validation across the hydra matrix.
24 lines
740 B
C++
24 lines
740 B
C++
#include <iostream>
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#include <dlfcn.h>
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extern "C" {
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typedef struct { int version; int width; unsigned char *data; } QRcode;
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}
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int main() {
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void *lib = dlopen("libqrencode.so", RTLD_LAZY);
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if (!lib) { std::cerr << "dlopen: " << dlerror() << std::endl; return 1; }
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auto encode = reinterpret_cast<QRcode*(*)(const char*, int, int, int, int)>(
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dlsym(lib, "QRcode_encodeString"));
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auto qfree = reinterpret_cast<void(*)(QRcode*)>(
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dlsym(lib, "QRcode_free"));
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QRcode *qr = encode("unsandbox-qr-ok", 0, 1, 2, 1);
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if (!qr) { std::cerr << "encode failed" << std::endl; return 1; }
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std::cout << "QR:unsandbox-qr-ok:ROWS:" << qr->width << std::endl;
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qfree(qr);
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dlclose(lib);
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return 0;
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}
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