ng: add my_gets.h.

main.c

@@ -15,6 +15,7 @@
 #endif /* _MSC_VER */
 
 #include "wslutil.h"
+#include "my_gets.h"
 
 #define DISTOR_NAME L"AOSC-OS"
 
@@ -43,7 +44,7 @@ HRESULT new_user(void)
 	wchar_t command[64];
 	do {
 		fputs("Enter new UNIX username: ", stdout);
-		gets_s(username, sizeof(username));
+		my_gets_s(username, sizeof(username));
 
 		if (strlen(username) == 0)
 			continue;

my_gets.h

@@ -0,0 +1,16 @@
+void my_gets_s(char* str, rsize_t n)
+{
+	int c = getchar();
+	while (c != '\n' && c != EOF)
+	{
+		if (n > 1)
+		{
+			--n;
+			*str++ = c;
+		}
+
+		c = getchar();
+	}
+
+	*str = '\0';
+}