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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2005-2025 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, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <mailutils/util.h>
#include <mailutils/errno.h>
#include <mailutils/error.h>
#include <mailutils/stream.h>
#include <mailutils/stdstream.h>
#include <mailutils/cli.h>
char *progname;
int
main (int argc, char **argv)
{
struct mu_tempfile_hints hints;
int flags = 0;
int fd;
char *filename;
char *infile = NULL;
int yes = 1;
int verify = 0;
int verbose = 0;
int dry_run = 0;
int unlink_opt = 0;
int mkdir_opt = 0;
struct mu_option options[] = {
{ "tmpdir", 'D', "DIRNAME", MU_OPTION_DEFAULT,
"set the temporary directory to use", mu_c_string, &hints.tmpdir },
{ "suffix", 's', "STRING", MU_OPTION_DEFAULT,
"set file name suffix", mu_c_string, &hints.suffix },
{ "dry-run", 'n', NULL, MU_OPTION_DEFAULT,
"dry run mode", mu_c_incr, &dry_run },
{ "unlink", 'u', NULL, MU_OPTION_DEFAULT,
"unlink the file", mu_c_incr, &unlink_opt },
{ "infile", 'f', "FILE", MU_OPTION_DEFAULT,
"copy the content of the FILE to the temporary file",
mu_c_string, &infile },
{ "verify", 'V', NULL, MU_OPTION_DEFAULT,
"dump the stream?", mu_c_incr, &verify },
{ "verbose", 'v', NULL, MU_OPTION_DEFAULT,
"verbose mode", mu_c_incr, &verbose },
{ "dir", 'm', NULL, MU_OPTION_DEFAULT,
"create temporary directory, instead of file",
mu_c_incr, &mkdir_opt },
MU_OPTION_END
};
memset (&hints, 0, sizeof (hints));
mu_set_program_name (argv[0]);
mu_cli_simple (argc, argv,
MU_CLI_OPTION_OPTIONS, options,
MU_CLI_OPTION_PROG_DOC, "test temporary file creation",
MU_CLI_OPTION_END);
if (dry_run && unlink_opt)
{
mu_error ("both -unlink and -dry-run given");
exit (1);
}
if (infile)
{
if (flags & MU_TEMPFILE_MKDIR)
{
mu_error ("--infile is useless with --mkdir");
exit (1);
}
else if (dry_run)
{
mu_error ("--infile is useless with --dry-run");
exit (1);
}
}
if (verify && dry_run)
{
mu_error ("--verify is useless with --dry-run");
exit (1);
}
if (hints.tmpdir)
flags |= MU_TEMPFILE_TMPDIR;
if (hints.suffix)
flags |= MU_TEMPFILE_SUFFIX;
if (mkdir_opt)
flags |= MU_TEMPFILE_MKDIR;
MU_ASSERT (mu_tempfile (flags ? &hints : NULL, flags,
dry_run ? NULL : &fd,
unlink_opt ? NULL : &filename));
if (filename)
mu_printf ("created file name %s\n", filename);
if (dry_run)
return 0;
if (infile)
{
mu_stream_t in, out;
mu_off_t size;
if (strcmp (infile, "-") == 0)
MU_ASSERT (mu_stdio_stream_create (&in, MU_STDIN_FD, 0));
else
MU_ASSERT (mu_file_stream_create (&in, infile, MU_STREAM_READ));
MU_ASSERT (mu_fd_stream_create (&out, filename, fd, MU_STREAM_WRITE));
mu_stream_ioctl (out, MU_IOCTL_FD, MU_IOCTL_FD_SET_BORROW, &yes);
MU_ASSERT (mu_stream_copy (out, in, 0, &size));
if (verbose)
mu_printf ("copied %lu bytes to the temporary\n", (unsigned long) size);
mu_stream_unref (out);
mu_stream_unref (in);
}
if (verify)
{
mu_stream_t in;
mu_off_t size;
MU_ASSERT (mu_fd_stream_create (&in, filename, fd,
MU_STREAM_READ|MU_STREAM_SEEK));
mu_stream_ioctl (in, MU_IOCTL_FD, MU_IOCTL_FD_SET_BORROW, &yes);
MU_ASSERT (mu_stream_copy (mu_strout, in, 0, &size));
if (verbose)
mu_printf ("dumped %lu bytes\n", (unsigned long) size);
mu_stream_unref (in);
}
close (fd);
return 0;
}
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