1 /*
2  * Copyright 2011, Denys Vlasenko
3  *
4  * Licensed under GPLv2, see file LICENSE in this source tree.
5  */
6 
7 //kbuild:lib-y += get_shell_name.o
8 
9 #include "libbb.h"
10 
get_shell_name(void)11 const char* FAST_FUNC get_shell_name(void)
12 {
13 	struct passwd *pw;
14 	char *shell;
15 
16 	shell = getenv("SHELL");
17 	if (shell && shell[0])
18 		return shell;
19 
20 	pw = getpwuid(getuid());
21 	if (pw && pw->pw_shell && pw->pw_shell[0])
22 		return pw->pw_shell;
23 
24 	return DEFAULT_SHELL;
25 }
26