hush/libbb/get_shell_name.c

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/*
* 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;
}