From 1c660b4bd2c303fcb829bc93143fc454693afab4 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Mon, 5 Mar 2007 00:27:50 +0000 Subject: small ash testsuite, adapted from bash (only a small part of it, actually) --- shell/ash_test/printenv.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 shell/ash_test/printenv.c (limited to 'shell/ash_test/printenv.c') diff --git a/shell/ash_test/printenv.c b/shell/ash_test/printenv.c new file mode 100644 index 0000000..07ea2a9 --- /dev/null +++ b/shell/ash_test/printenv.c @@ -0,0 +1,67 @@ +/* printenv -- minimal clone of BSD printenv(1). + + usage: printenv [varname] + + Chet Ramey + chet@po.cwru.edu +*/ + +/* Copyright (C) 1997-2002 Free Software Foundation, Inc. + + This file is part of GNU Bash, the Bourne Again SHell. + + Bash is free software; you can redistribute it and/or modify it under + the terms of the GNU General Public License as published by the Free + Software Foundation; either version 2, or (at your option) any later + version. + + Bash is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + for more details. + + You should have received a copy of the GNU General Public License along + with Bash; see the file COPYING. If not, write to the Free Software + Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ + +#include +#include + +extern char **environ; + +int +main (argc, argv) + int argc; + char **argv; +{ + register char **envp, *eval; + int len; + + argv++; + argc--; + + /* printenv */ + if (argc == 0) + { + for (envp = environ; *envp; envp++) + puts (*envp); + exit (0); + } + + /* printenv varname */ + len = strlen (*argv); + for (envp = environ; *envp; envp++) + { + if (**argv == **envp && strncmp (*envp, *argv, len) == 0) + { + eval = *envp + len; + /* If the environment variable doesn't have an `=', ignore it. */ + if (*eval == '=') + { + puts (eval + 1); + exit (0); + } + } + } + exit (1); +} -- cgit v1.1