mv.c

   1 #include "internal.h"
   2 #include <stdio.h>
   3 #include <errno.h>
   4
   5 const char      mv_usage[] = "mv source-file destination-file\n"
   6 "\t\tmv source-file [source-file ...] destination-directory\n"
   7 "\n"
   8 "\tMove the source files to the destination.\n"
   9 "\n";
  10
  11 extern int
  12 mv_fn(const struct FileInfo * i)
  13 {
  14         struct stat             destination_stat;
  15         char                    d[1024];
  16         struct FileInfo n;
  17
  18         if ( stat(i->destination, &destination_stat) == 0 ) {
  19                 if ( i->stat.st_ino == destination_stat.st_ino
  20                  &&  i->stat.st_dev == destination_stat.st_dev )
  21                         return 0;       /* Move file to itself. */
  22         }
  23         if ( (destination_stat.st_mode & S_IFMT) == S_IFDIR ) {
  24                 n = *i;
  25                 n.destination = join_paths(d, i->destination, basename(i->source));
  26                 i = &n;
  27         }
  28         if ( rename(i->source, i->destination) == 0 )
  29                 return 0;
  30         else if ( errno == EXDEV && is_a_directory(i->source) ) {
  31                 fprintf(stderr
  32                 ,"%s: Can't move directory across filesystems.\n"
  33                 ,i->source);
  34                 return 1;
  35         }
  36         else
  37                 return cp_fn(i);
  38 }