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DEFINITIONS

1. main

   1 /*
   2  * Copyright (c) 2005-2006, Kohsuke Ohtani
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the author nor the names of any co-contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  30 #include <sys/stat.h>
  32 #include <errno.h>
  33 #include <err.h>
  34 #include <string.h>
  35 #include <stdio.h>
  36 #include <limits.h>
  37 #include <stdlib.h>
  39 #ifdef CMDBOX
  40 #define main(argc, argv)        mv_main(argc, argv)
  41 #endif
  43 int
main(int argc, char *argv[])
  45 {
  46         char path[PATH_MAX];
  47         char *src, *dest, *p;
  48         struct stat st1, st2;
  49         int rc;
  51         if (argc != 3) {
fprintf(stderr, "usage: mv src dest\n");
exit(1);
  54         }
src = argv[1];
dest = argv[2];
  58         /* Check if source exists and it's regular file. */
  59         if (stat(src, &st1) < 0)
err(1,"mv");
  61         if (!S_ISREG(st1.st_mode)) {
fprintf(stderr, "mv: invalid file type\n");
exit(1);
  64         }
  66         /* Check if target is a directory. */
rc = stat(dest, &st2);
  68         if (!rc && S_ISDIR(st2.st_mode)) {
p = strrchr(src, '/');
p = p ? p + 1 : src;
strlcpy(path, dest, sizeof(path));
  72                 if (strcmp(dest, "/"))
strlcat(path, "/", sizeof(path));
strlcat(path, p, sizeof(path));
dest = path;
  76         }
  77         if (rename(src, dest) < 0)
err(1,"rename");
  79         return 0;
  80 }