101 lines
1.9 KiB
V
101 lines
1.9 KiB
V
module os
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#include <dirent.h>
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#include <unistd.h>
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pub const (
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path_separator = '/'
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)
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pub fn init_os_args(argc int, argv &byteptr) []string {
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mut args := []string
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for i in 0 .. argc {
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args << string(argv[i])
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}
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return args
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}
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// get_error_msg return error code representation in string.
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pub fn get_error_msg(code int) string {
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ptr_text := C.strerror(code) // voidptr?
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if ptr_text == 0 {
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return ''
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}
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return tos3(ptr_text)
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}
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pub fn ls(path string) ?[]string {
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mut res := []string
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dir := C.opendir(path.str)
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if isnil(dir) {
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return error('ls() couldnt open dir "$path"')
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}
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mut ent := &C.dirent(0)
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// mut ent := &C.dirent{!}
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for {
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ent = C.readdir(dir)
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if isnil(ent) {
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break
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}
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name := tos_clone(byteptr(ent.d_name))
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if name != '.' && name != '..' && name != '' {
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res << name
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}
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}
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C.closedir(dir)
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return res
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}
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/*
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pub fn is_dir(path string) bool {
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//$if linux {
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//C.syscall(4, path.str) // sys_newstat
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//}
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dir := C.opendir(path.str)
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res := !isnil(dir)
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if res {
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C.closedir(dir)
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}
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return res
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}
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*/
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// mkdir creates a new directory with the specified path.
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pub fn mkdir(path string) ?bool {
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if path == '.' {
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return true
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}
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apath := os.realpath(path)
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r := C.mkdir(apath.str, 511)
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if r == -1 {
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return error(get_error_msg(C.errno))
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}
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return true
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}
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// exec starts the specified command, waits for it to complete, and returns its output.
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pub fn exec(cmd string) ?Result {
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// if cmd.contains(';') || cmd.contains('&&') || cmd.contains('||') || cmd.contains('\n') {
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// return error(';, &&, || and \\n are not allowed in shell commands')
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// }
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pcmd := '$cmd 2>&1'
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f := vpopen(pcmd)
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if isnil(f) {
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return error('exec("$cmd") failed')
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}
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buf := [1000]byte
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mut res := ''
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for C.fgets(charptr(buf), 1000, f) != 0 {
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res += tos(buf, vstrlen(buf))
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}
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res = res.trim_space()
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exit_code := vpclose(f)
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// if exit_code != 0 {
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// return error(res)
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// }
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return Result{
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output: res
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exit_code: exit_code
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}
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}
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