Pull safe_print_error() out into a new file.

src/env_real.cpp

@@ -20,6 +20,7 @@
 
 #include "env_real.hpp"
 #include "string_view_cat.hpp"
+#include "safe_print.hpp"
 #include <unistd.h>
 #include <cstdlib>
 #include <mutex>
@@ -27,7 +28,6 @@
 #include <memory>
 #include <cassert>
 #include <utility>
-#include <iostream>
 #include <cstring>
 
 #if defined(__GNU_LIBRARY__) && ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 17) || __GLIBC__ > 2)
@@ -71,14 +71,6 @@ namespace {
 		static void value() noexcept {}
 	};
 
-	void safe_print_error (std::string_view msg) noexcept {
-		try {
-			std::cerr << msg << std::endl;
-		}
-		catch (...) {
-		}
-	}
-
 	PointerMap& pointer_map() {
 		static PointerMap pm;
 		return pm;

src/meson.build

@@ -21,6 +21,7 @@ executable(meson.project_name(),
 	'var_map.cpp',
 	'env_base.cpp',
 	'env_real.cpp',
+	'safe_print.cpp',
 	install: true,
 	dependencies: [fslib_dep],
 	include_directories: [cxxopts_incl],

src/safe_print.cpp

@@ -0,0 +1,38 @@
+/* Copyright 2020, Michele Santullo
+ * This file is part of user-gcc.
+ *
+ * User-gcc is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * User-gcc is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with user-gcc.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "safe_print.hpp"
+#include <iostream>
+
+namespace duck {
+void safe_print (std::string_view msg) noexcept {
+	try {
+		std::cout << msg << std::endl;
+	}
+	catch (...) {
+	}
+}
+
+void safe_print_error (std::string_view msg) noexcept {
+	try {
+		std::cerr << msg << std::endl;
+	}
+	catch (...) {
+	}
+}
+} //namespace duck
+

src/safe_print.hpp

@@ -0,0 +1,25 @@
+/* Copyright 2020, Michele Santullo
+ * This file is part of user-gcc.
+ *
+ * User-gcc is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * User-gcc is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with user-gcc.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <string_view>
+
+namespace duck {
+	void safe_print (std::string_view msg) noexcept;
+	void safe_print_error (std::string_view msg) noexcept;
+} //namespace duck