/* GNU Mailutils -- a suite of utilities for electronic mail Copyright (C) 2003, 2005, 2007 Free Software Foundation, Inc. GNU Mailutils 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 3, or (at your option) any later version. GNU Mailutils 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 GNU Mailutils; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifdef HAVE_CONFIG_H # include <config.h> #endif #include <sys/types.h> #include <sys/wait.h> #include <unistd.h> #include <stdio.h> #include <ctype.h> #include <string.h> #include <mailutils/mailutils.h> #include <mailutils/argcv.h> static void read_and_print (mu_stream_t in, mu_stream_t out) { size_t size; char buffer[128]; while (mu_stream_sequential_readline (in, buffer, sizeof (buffer), &size) == 0 && size > 0) { mu_stream_sequential_write (out, buffer, size); } } int main (int argc, char *argv[]) { int rc; mu_stream_t stream, out; int read_stdin = 0; int i = 1; char *cmdline; int flags = MU_STREAM_READ; if (argc > 1 && strcmp (argv[i], "--stdin") == 0) { read_stdin = 1; flags |= MU_STREAM_WRITE; i++; } if (i == argc) { fprintf (stderr, "Usage: %s [--stdin] progname [args]\n", argv[0]); exit (1); } MU_ASSERT (mu_argcv_string (argc - i, &argv[i], &cmdline)); if (read_stdin) { mu_stream_t in; MU_ASSERT (mu_stdio_stream_create (&in, stdin, 0)); MU_ASSERT (mu_stream_open (in)); rc = mu_filter_prog_stream_create (&stream, cmdline, in); } else rc = mu_prog_stream_create (&stream, cmdline, flags); if (rc) { fprintf (stderr, "%s: cannot create program filter stream: %s\n", argv[0], mu_strerror (rc)); exit (1); } rc = mu_stream_open (stream); if (rc) { fprintf (stderr, "%s: cannot open program filter stream: %s\n", argv[0], mu_strerror (rc)); exit (1); } MU_ASSERT (mu_stdio_stream_create (&out, stdout, 0)); MU_ASSERT (mu_stream_open (out)); read_and_print (stream, out); mu_stream_close (stream); mu_stream_destroy (&stream, mu_stream_get_owner (stream)); mu_stream_close (out); mu_stream_destroy (&out, mu_stream_get_owner (stream)); return 0; }