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Windows: convert prompt in system locale to UTF-8. #612

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Windows: convert prompt in system locale to UTF-8. #612

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21 changes: 21 additions & 0 deletions examples/main/main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,10 @@
#include <signal.h>
#endif

#if defined (_WIN32)
#include <windows.h>
#endif

static console_state con_st;

static bool is_interacting = false;
Expand All @@ -36,6 +40,18 @@ void sigint_handler(int signo) {
}
#endif

#if defined (_WIN32)
std::string promptconvert(const std::string str)
{
// Convert from current locale to UTF-8
wchar_t wstr[1024];
int wlen = MultiByteToWideChar(CP_ACP, 0, str.c_str(), str.length(), wstr, 1024);
char mbstr[2048];
int mblen = WideCharToMultiByte(CP_UTF8, 0, wstr, wlen, mbstr, 2048, 0, 0);
return std::string(mbstr, mblen);
}
#endif

int main(int argc, char ** argv) {
gpt_params params;
params.model = "models/llama-7B/ggml-model.bin";
Expand Down Expand Up @@ -136,6 +152,11 @@ int main(int argc, char ** argv) {
// Add a space in front of the first character to match OG llama tokenizer behavior
params.prompt.insert(0, 1, ' ');

#if defined (_WIN32)
// Convert from current locale to UTF-8
params.prompt = promptconvert(params.prompt);
#endif

// tokenize the prompt
auto embd_inp = ::llama_tokenize(ctx, params.prompt, true);

Expand Down