From f8416dc6f64244223fbcb20fe504b7a9a764e698 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Tue, 8 Mar 2011 21:02:42 +0100 Subject: [PATCH] forgot to add libbb/get_shell_name.c Signed-off-by: Denys Vlasenko --- libbb/get_shell_name.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 libbb/get_shell_name.c diff --git a/libbb/get_shell_name.c b/libbb/get_shell_name.c new file mode 100644 index 000000000..c930afd94 --- /dev/null +++ b/libbb/get_shell_name.c @@ -0,0 +1,25 @@ +/* + * Copyright 2011, Denys Vlasenko + * + * Licensed under GPLv2, see file LICENSE in this source tree. + */ + +//kbuild:lib-y += get_shell_name.o + +#include "libbb.h" + +const char *get_shell_name(void) +{ + struct passwd *pw; + char *shell; + + shell = getenv("SHELL"); + if (shell && shell[0]) + return shell; + + pw = getpwuid(getuid()); + if (pw && pw->pw_shell && pw->pw_shell[0]) + return pw->pw_shell; + + return DEFAULT_SHELL; +}