263 lines
8.1 KiB
C
263 lines
8.1 KiB
C
/****************************************************************************
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* system/zmodem/sz_main.c
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*
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* Copyright (C) 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <libgen.h>
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#include <time.h>
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#include <errno.h>
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#include "system/zmodem.h"
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static void show_usage(FAR const char *progname, int errcode)
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{
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fprintf(stderr, "USAGE: %s [OPTIONS] <lname> [<lname> [<lname> ...]]\n",
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progname);
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fprintf(stderr, "\nWhere:\n");
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fprintf(stderr, "\t<lname> is the local file name\n");
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fprintf(stderr, "\nand OPTIONS include the following:\n");
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fprintf(stderr, "\t-d <device>: Communication device to use. Default: %s\n",
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CONFIG_SYSTEM_ZMODEM_DEVNAME);
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fprintf(stderr, "\t-r <rname>: Remote file name. Default <lname>\n");
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fprintf(stderr, "\t-x <mode>: Transfer type\n");
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fprintf(stderr, "\t\t0: Normal file (default)\n");
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fprintf(stderr, "\t\t1: Binary file\n");
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fprintf(stderr, "\t\t2: Convert \\n to local EOF convention\n");
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fprintf(stderr, "\t\t3: Resume or append to existing file\n");
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fprintf(stderr, "\t-o <option>: Transfer option\n");
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fprintf(stderr, "\t\t0: Implementation dependent\n");
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fprintf(stderr, "\t\t1: Transfer if source newer or longer\n");
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fprintf(stderr, "\t\t2: Transfer if different CRC or length\n");
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fprintf(stderr, "\t\t3: Append to existing file, if any\n");
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fprintf(stderr, "\t\t4: Replace existing file (default)\n");
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fprintf(stderr, "\t\t5: Transfer if source is newer\n");
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fprintf(stderr, "\t\t6: Transfer if dates or lengths different\n");
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fprintf(stderr, "\t\t7: Protect: transfer only if dest doesn't exist\n");
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fprintf(stderr, "\t\t8: Change filename if destination exists\n");
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fprintf(stderr, "\t-s: Skip if file not present at receiving end\n");
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fprintf(stderr, "\t-h: Show this text and exit\n");
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exit(errcode);
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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#ifdef CONFIG_BUILD_KERNEL
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int main(int argc, FAR char *argv[])
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#else
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int sz_main(int argc, FAR char **argv)
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#endif
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{
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enum zm_xfertype_e xfrtype = XM_XFERTYPE_NORMAL;
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enum zm_option_e xfroption = XM_OPTION_REPLACE;
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ZMSHANDLE handle;
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FAR const char *rname = NULL;
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FAR const char *devname = CONFIG_SYSTEM_ZMODEM_DEVNAME;
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FAR char *endptr;
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bool skip = false;
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long tmp;
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int exitcode = EXIT_FAILURE;
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int option;
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int ret;
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int fd;
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/* Parse input parameters */
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while ((option = getopt(argc, argv, ":d:ho:r:sx:")) != ERROR)
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{
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switch (option)
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{
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case 'd':
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devname = optarg;
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break;
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case 'h':
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show_usage(argv[0], EXIT_SUCCESS);
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break;
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case 'o':
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tmp = strtol(optarg, &endptr, 10);
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if (tmp < 0 || tmp > 8)
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{
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fprintf(stderr, "ERROR: Transfer option out of range: %ld\n", tmp);
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show_usage(argv[0], EXIT_FAILURE);
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}
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else
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{
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xfroption = (enum zm_option_e)tmp;
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}
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break;
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case 'r':
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rname = optarg;
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break;
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case 's':
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skip = true;
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break;
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case 'x':
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tmp = strtol(optarg, &endptr, 10);
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if (tmp < 0 || tmp > 3)
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{
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fprintf(stderr, "ERROR: Transfer type out of range: %ld\n", tmp);
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show_usage(argv[0], EXIT_FAILURE);
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}
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else
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{
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xfrtype = (enum zm_xfertype_e)tmp;
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}
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break;
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case ':':
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fprintf(stderr, "ERROR: Missing required argument\n");
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show_usage(argv[0], EXIT_FAILURE);
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break;
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default:
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case '?':
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fprintf(stderr, "ERROR: Unrecognized option\n");
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show_usage(argv[0], EXIT_FAILURE);
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break;
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}
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}
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/* There should be one final parameters remaining on the command line */
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if (optind >= argc)
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{
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printf("ERROR: Missing required 'lname' argument\n");
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show_usage(argv[0], EXIT_FAILURE);
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}
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/* Open the device for read/write access */
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fd = open(devname, O_RDWR);
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if (fd < 0)
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{
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fprintf(stderr, "ERROR: Failed to open %s\n", devname);
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goto errout;
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}
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/* Get the Zmodem handle */
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handle = zms_initialize(fd);
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if (!handle)
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{
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fprintf(stderr, "ERROR: Failed to get Zmodem handle\n");
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goto errout_with_device;
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}
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/* And perform the transfer(s) */
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for (; optind < argc; optind++)
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{
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/* By the default, the remote file name is the same as the local file
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* name. This will, of course, fail miserably if rname is specified
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* and there more than one lnames on the command line. Don't do that.
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*/
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FAR const char *nextlname = argv[optind];
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FAR const char *nextrname;
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FAR char *ralloc;
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/* Get the next remote file name */
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nextrname = rname;
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ralloc = NULL;
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if (!nextrname)
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{
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/* No remote filename, use the basename of the local filename.
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* NOTE: that we have to duplicate the local filename to do this
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* because basename() modifies the original string.
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*/
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ralloc = strdup(nextlname);
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if (!ralloc)
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{
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fprintf(stderr, "ERROR: Out-of-memory\n");
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goto errout_with_device;
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}
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nextrname = basename(ralloc);
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}
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/* Transfer the file */
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ret = zms_send(handle, nextlname, nextrname, xfrtype, xfroption, skip);
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/* Free any allocations made for the remote file name */
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if (ralloc)
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{
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free(ralloc);
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}
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/* Check if the transfer was successful */
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if (ret < 0)
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{
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fprintf(stderr, "ERROR: Transfer of %s failed: %d\n",
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nextlname, errno);
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goto errout_with_zmodem;
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}
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}
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exitcode = EXIT_SUCCESS;
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errout_with_zmodem:
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(void)zms_release(handle);
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errout_with_device:
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(void)close(fd);
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errout:
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return exitcode;
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}
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