1 files changed, 24 insertions, 0 deletions
diff --git a/src/main.cpp b/src/main.cpp
index e503cad..f5e7a19 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -14,6 +14,30 @@ uint64_t nano_clock(void)
 	return ts.tv_sec * 1000000000LLU + ts.tv_nsec;
 }
 
+void utf8_to_wchar(wchar_t *out, size_t size, std::string in)
+{
+	wchar_t *d = out, *end = out + size;
+
+	for (size_t i = 0; i < in.size(); i++) {
+		if (d + 1 >= end)
+			break;
+
+		if ((in[i] & 128) == 0)
+			*(d++) = in[i];
+		else {
+			if (i + 1 >= in.size()) {
+				printf("invalid UTF-8 sequence\n");
+				abort();
+			}
+
+			*(d++) = ((in[i] & 31) << 6) | (in[i + 1] & 63);
+			i++;
+		}
+	}
+
+	*(d++) = 0;
+}
+
 int main()
 {
 	uint64_t t0 = nano_clock();