busybox/mv.c
1999-10-05 16:24:54 +00:00

39 lines
952 B
C

#include "internal.h"
#include <stdio.h>
#include <errno.h>
const char mv_usage[] = "mv source-file destination-file\n"
"\t\tmv source-file [source-file ...] destination-directory\n"
"\n"
"\tMove the source files to the destination.\n"
"\n";
extern int
mv_fn(const struct FileInfo * i)
{
struct stat destination_stat;
char d[1024];
struct FileInfo n;
if ( stat(i->destination, &destination_stat) == 0 ) {
if ( i->stat.st_ino == destination_stat.st_ino
&& i->stat.st_dev == destination_stat.st_dev )
return 0; /* Move file to itself. */
}
if ( (destination_stat.st_mode & S_IFMT) == S_IFDIR ) {
n = *i;
n.destination = join_paths(d, i->destination, basename(i->source));
i = &n;
}
if ( rename(i->source, i->destination) == 0 )
return 0;
else if ( errno == EXDEV && is_a_directory(i->source) ) {
fprintf(stderr
,"%s: Can't move directory across filesystems.\n"
,i->source);
return 1;
}
else
return cp_fn(i);
}