improve(platform): add platform-specific code for other oses in case the program works there

standard_paths_darwin.go

@@ -0,0 +1,41 @@
+//go:build darwin
+
+/*
+ * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
+ * Copyright (c) 2021-2023 Piotr Grabowski
+ *
+ * This program 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.
+ *
+ * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package gomicsv
+
+import (
+	"errors"
+	"os"
+	"path/filepath"
+)
+
+func getConfigLocation(appName string) (string, error) {
+	return getUserDataLocation(appName)
+}
+
+func getUserDataLocation(appName string) (string, error) {
+	if appName == "" {
+		return "", errors.New("'appName' is empty")
+	}
+	if envHome := os.Getenv("HOME"); envHome != "" {
+		return filepath.Join(envHome, "Library", "Application Support", appName), nil
+	}
+	return "", errors.New("getting user appdata directory")
+}

standard_paths_windows.go

@@ -0,0 +1,41 @@
+//go:build windows
+
+/*
+ * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
+ * Copyright (c) 2021-2023 Piotr Grabowski
+ *
+ * This program 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.
+ *
+ * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package gomicsv
+
+import (
+	"errors"
+	"os"
+	"path/filepath"
+)
+
+func getConfigLocation(appName string) (string, error) {
+	return getUserDataLocation(appName)
+}
+
+func getUserDataLocation(appName string) (string, error) {
+	if appName == "" {
+		return "", errors.New("'appName' is empty")
+	}
+	if envAppdata := os.Getenv("APPDATA"); envAppdata != "" {
+		return filepath.Join(envAppdata, appName), nil
+	}
+	return "", errors.New("getting user appdata directory")
+}

standard_paths_xdg.go

@@ -1,5 +1,4 @@
-//go:build linux
+//go:build freebsd || linux || netbsd || openbsd || solaris
-// +build linux
 
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>