From 4aca87515a5083ae0e31ce3177189fd43b6d05ac Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sat, 3 Jan 2015 13:58:15 +0100 Subject: patch to Vanilla Tomato 1.28 --- .../src/router/busybox/shell/ash_test/printenv.c | 67 ++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 release/src/router/busybox/shell/ash_test/printenv.c (limited to 'release/src/router/busybox/shell/ash_test/printenv.c') diff --git a/release/src/router/busybox/shell/ash_test/printenv.c b/release/src/router/busybox/shell/ash_test/printenv.c new file mode 100644 index 00000000..c4ccda8a --- /dev/null +++ b/release/src/router/busybox/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(EXIT_SUCCESS); + } + + /* 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(EXIT_SUCCESS); + } + } + } + exit(EXIT_FAILURE); +} -- cgit v1.2.3-54-g00ecf