commands/cp.c

   1 /*
   2  * cp.c - copy files
   3  *
   4  * Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2
  11  * as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 /**
  24  * @file
  25  * @brief cp: copy file command
  26  */
  27 #include <common.h>
  28 #include <command.h>
  29 #include <xfuncs.h>
  30 #include <linux/stat.h>
  31 #include <libbb.h>
  32 #include <fs.h>
  33 #include <malloc.h>
  34
  35 /**
  36  * @param[in] cmdtp FIXME
  37  * @param[in] argc Argument count from command line
  38  * @param[in] argv List of input arguments
  39  */
  40 static int do_cp ( cmd_tbl_t *cmdtp, int argc, char *argv[])
  41 {
  42         int ret = 1;
  43         struct stat statbuf;
  44         int last_is_dir = 0;
  45         int i;
  46
  47         if (argc < 3)
  48                 return COMMAND_ERROR_USAGE;
  49
  50         if (!stat(argv[argc - 1], &statbuf)) {
  51                 if (S_ISDIR(statbuf.st_mode))
  52                         last_is_dir = 1;
  53         }
  54
  55         if (argc > 3 && !last_is_dir) {
  56                 printf("cp: target `%s' is not a directory\n", argv[argc - 1]);
  57                 return 1;
  58         }
  59
  60         for (i = 1; i < argc - 1; i++) {
  61                 if (last_is_dir) {
  62                         char *dst;
  63                         dst = concat_path_file(argv[argc - 1], argv[i]);
  64                         ret = copy_file(argv[i], dst);
  65                         if (ret)
  66                                 goto out;
  67                         free(dst);
  68                 } else {
  69                         ret = copy_file(argv[i], argv[argc - 1]);
  70                         if (ret)
  71                                 goto out;
  72                 }
  73         }
  74
  75         ret = 0;
  76 out:
  77         return ret;
  78 }
  79
  80 static const __maybe_unused char cmd_cp_help[] =
  81 "Usage: cp <source> <destination>\n"
  82 "cp copies file <source> to <destination>.\n"
  83 "Currently only this form is supported and you have to specify the exact target\n"
  84 "filename (not a target directory).\n"
  85 "This command is file based only. See memcpy for memory copy\n";
  86
  87 U_BOOT_CMD_START(cp)
  88         .cmd            = do_cp,
  89         .usage          = "copy files",
  90         U_BOOT_CMD_HELP(cmd_cp_help)
  91 U_BOOT_CMD_END
  92
  93 /**
  94  * @page cp_command cp: Copy file
  95  *
  96  * Usage: cp \<source> [\<source>] \<destination>
  97  *
  98  * \c cp copies file \<source> to \<destination>
  99  *
 100  * Currently only this form is supported and you have to specify the exact
 101  * target filename (not a target directory).\n
 102  * This command is file based only. See memcpy for generic memory copy
 103  */