Add shell_utils

src/common/shell/utils/shell_utils.h

@@ -0,0 +1,16 @@
+#ifndef SHELL_UTILS_H
+#define SHELL_UTILS_H
+
+#include "platform.h"
+
+// clang-format off
+#ifdef WAPP_PLATFORM_WINDOWS
+  #define wapp_shell_utils_popen _popen
+  #define wapp_shell_utils_pclose _pclose
+#else
+  #define wapp_shell_utils_popen popen
+  #define wapp_shell_utils_pclose pclose
+#endif /* ifdef WAPP_PLATFORM_WINDOWS */
+// clang-format on
+
+#endif // !SHELL_UTILS_H