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#include <mruby.h>
#ifdef MRB_NO_STDIO
# error print conflicts 'MRB_NO_STDIO' in your build configuration
#endif
#include <mruby/string.h>
#include <string.h>
#if defined(_WIN32)
# include <windows.h>
# include <io.h>
#ifdef _MSC_VER
# define isatty(x) _isatty(x)
# define fileno(x) _fileno(x)
#endif
#endif
static void
printstr(mrb_state *mrb, const char *p, mrb_int len)
{
#if defined(_WIN32)
if (isatty(fileno(stdout))) {
DWORD written;
int wlen = MultiByteToWideChar(CP_UTF8, 0, p, (int)len, NULL, 0);
wchar_t* utf16 = (wchar_t*)mrb_malloc(mrb, (wlen+1) * sizeof(wchar_t));
if (MultiByteToWideChar(CP_UTF8, 0, p, (int)len, utf16, wlen) > 0) {
utf16[wlen] = 0;
WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE),
utf16, (DWORD)wlen, &written, NULL);
}
mrb_free(mrb, utf16);
} else
#endif
fwrite(p, (size_t)len, 1, stdout);
fflush(stdout);
}
static mrb_value
mrb_printstr(mrb_state *mrb, mrb_value self)
{
mrb_value s = mrb_get_arg1(mrb);
if (mrb_string_p(s)) {
printstr(mrb, RSTRING_PTR(s), RSTRING_LEN(s));
}
return s;
}
void
mrb_mruby_print_gem_init(mrb_state* mrb)
{
struct RClass *krn;
krn = mrb->kernel_module;
mrb_define_method(mrb, krn, "__printstr__", mrb_printstr, MRB_ARGS_REQ(1));
}
void
mrb_mruby_print_gem_final(mrb_state* mrb)
{
}
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