From: Enrico Scholz Date: Fri, 17 Oct 2003 20:31:27 +0000 (+0000) Subject: initial checkin X-Git-Tag: VERSION_0_10~1212 X-Git-Url: http://git.linux-vserver.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=34c53fec6caf8868d54e3149ec562a2cd3af1e1d;p=util-vserver.git initial checkin git-svn-id: http://svn.linux-vserver.org/svn/util-vserver/trunk@198 94cd875c-1c1d-0410-91d2-eb244daf1a30 --- diff --git a/util-vserver/src/chroot-cat.c b/util-vserver/src/chroot-cat.c new file mode 100644 index 0000000..b888243 --- /dev/null +++ b/util-vserver/src/chroot-cat.c @@ -0,0 +1,62 @@ +// $Id$ --*- c++ -*-- + +// Copyright (C) 2003 Enrico Scholz <> +// +// 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; version 2 of the License. +// +// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include "util.h" +#include "wrappers.h" + +#include +#include +#include + +int wrapper_exit_code = 1; + +int main(int argc, char *argv[]) +{ + int fd; + + if (argc!=2) { + WRITE_MSG(2, "Usage: chroot-cat file\n"); + return EXIT_FAILURE; + } + + Echroot("."); + Echdir("/"); + + fd = Eopen(argv[1], O_WRONLY|O_CREAT|O_TRUNC, 0644); + for (;;) { + char buf[4096]; + char const * ptr=buf; + ssize_t len; + + len = Eread(0, buf, sizeof(buf)); + if (len<=0) break; + + while (len>0) { + size_t l = Ewrite(fd, ptr, len); + ptr += l; + len -= l; + } + } + Eclose(fd); + + return EXIT_SUCCESS; +}