blob: 5aebe9cdccec81038eb4cd5a7d2e212735cdef45
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 | |
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 |