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/*
* ========================
* ===== ===============
* ====== ================
* ====== ================
* ====== ==== ==== ==
* ====== === == = =
* ====== === = == =
* = === === = == ====
* = === === = == = =
* == ===== ==== ==
* ========================
*
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2023 Joe
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the organization nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* josh: src/c_josh.go
* Thu, 14 Dec 2023 10:28:37 +0100
* Joe
*
* The main.
*/
package main
import (
"fmt"
"os"
)
// c_die displays an error string to the stderr fd and exits the program
// with the return code 1.
// It takes an optional err argument of the error type as a complement of
// information.
func c_die(str string, err error) {
fmt.Fprintf(os.Stderr, "error: %s", str)
if err != nil {
fmt.Fprintf(os.Stderr, ": %v\n", err)
}
fmt.Fprintf(os.Stderr, "\n")
os.Exit(1)
}
func c_get_data_dir() string {
home := os.Getenv("HOME")
xdg_home := os.Getenv("XDG_DATA_HOME")
if len(home) == 0 {
c_die("env variable HOME not defined", nil)
}
if len(xdg_home) > 0 {
if _, err := os.Stat(xdg_home); os.IsNotExist(err) {
if err := os.MkdirAll(xdg_home, os.ModePerm); err != nil {
c_die("could not create path " + xdg_home, err)
}
fmt.Println("created folder path " + xdg_home)
}
return xdg_home
} else {
home := home + "/qwe/asd"
if _, err := os.Stat(home); os.IsNotExist(err) {
if err := os.MkdirAll(home, os.ModePerm); err != nil {
c_die("could not create path " + home, err)
}
fmt.Println("created folder path " + home)
}
return home
}
}
func main() {
var data_dir string
if data_dir = c_get_data_dir() + "/josh"; len(data_dir) == 0 {
c_die("couldn't find josh home directory", nil)
}
fmt.Println("data dir: ", data_dir)
}
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