--- /dev/null
+// $Id$ --*- c -*--
+
+// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+//
+// 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 <config.h>
+#endif
+#include "util.h"
+
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#define ENSC_WRAPPERS_PREFIX "chain-echo: "
+#define ENSC_WRAPPERS_FCNTL 1
+#define ENSC_WRAPPERS_UNISTD 1
+#define ENSC_WRAPPERS_IO 1
+#include <wrappers.h>
+
+int wrapper_exit_code = 255;
+
+static void
+showHelp(char const *cmd)
+{
+ WRITE_MSG(1, "Usage: ");
+ WRITE_STR(1, cmd);
+ WRITE_MSG(1,
+ " [--] <file> <data> <command> <args>*\n\n"
+ "Please report bugs to " PACKAGE_BUGREPORT "\n");
+ exit(0);
+}
+
+static void
+showVersion()
+{
+ WRITE_MSG(1,
+ "chain-echo " VERSION " -- puts data into a file within a command-chain\n"
+ "This program is part of " PACKAGE_STRING "\n\n"
+ "Copyright (C) 2004 Enrico Scholz\n"
+ VERSION_COPYRIGHT_DISCLAIMER);
+ exit(0);
+}
+
+int main(int argc, char *argv[])
+{
+ int idx = 1;
+ int fd;
+
+ if (argc>=2) {
+ if (strcmp(argv[1], "--help") ==0) showHelp(argv[0]);
+ if (strcmp(argv[1], "--version")==0) showVersion();
+ if (strcmp(argv[1], "--") ==0) ++idx;
+ }
+
+ if (argc<idx+3) {
+ WRITE_MSG(2, "Not enough parameters; use '--help' for more information\n");
+ return wrapper_exit_code;
+ }
+
+ if (argv[idx][0]=='\0')
+ fd = 1;
+ else {
+ fd = Eopen(argv[idx], O_WRONLY|O_NOFOLLOW, 0600);
+ Efcntl(fd, F_SETFD, FD_CLOEXEC);
+ }
+
+ if (argv[idx+1][0]!='\0')
+ EwriteAll(fd, argv[idx+1], strlen(argv[idx+1]));
+
+ Eexecv(argv[idx+2], argv+idx+2);
+}