From 7b4c7a681cc4c0a53dc8a8baf4853e921cfbf5de Mon Sep 17 00:00:00 2001 From: bigbiff Date: Thu, 1 Jan 2015 19:44:14 -0500 Subject: Update blkid to 2.25.0 Break libblkid into 4 libraries: libblkid, libuuid, libutil-linux and libfdisk. This should help in later patch updates. Change-Id: I680d9a7feb031e5c29a603e9c58aff4b65826262 --- libblkid/lib/exec_shell.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 libblkid/lib/exec_shell.c (limited to 'libblkid/lib/exec_shell.c') diff --git a/libblkid/lib/exec_shell.c b/libblkid/lib/exec_shell.c new file mode 100644 index 000000000..2b263644d --- /dev/null +++ b/libblkid/lib/exec_shell.c @@ -0,0 +1,46 @@ +/* + * exec_shell() - launch a shell, else exit! + * + * This program 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. + * + * This program 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 this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include +#include +#include +#include + +#include "nls.h" +#include "c.h" +#include "xalloc.h" + +#include "exec_shell.h" + +#define DEFAULT_SHELL "/bin/sh" + +void exec_shell(void) +{ + const char *shell = getenv("SHELL"), *shell_basename; + char *arg0; + if (!shell) + shell = DEFAULT_SHELL; + + shell_basename = basename(shell); + arg0 = xmalloc(strlen(shell_basename) + 2); + arg0[0] = '-'; + strcpy(arg0 + 1, shell_basename); + + execl(shell, arg0, NULL); + err(EXIT_FAILURE, _("failed to execute %s"), shell); +} -- cgit v1.2.3