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#include "internal.h"
#include <stdio.h>
#include <sys/stat.h>
#include <sys/param.h>
#include <errno.h>
const char ln_usage[] = "ln [-s] [-f] original-name additional-name\n"
"\n"
"\tAdd a new name that refers to the same file as \"original-name\"\n"
"\n"
"\t-s:\tUse a \"symbolic\" link, instead of a \"hard\" link.\n"
"\t-f:\tRemove existing destination files.\n";
int
ln_fn(const struct FileInfo * i)
{
int status = 0;
char d[PATH_MAX];
const char * destination = i->destination;
if ( !i->makeSymbolicLink && (i->stat.st_mode & S_IFMT) == S_IFDIR ) {
fprintf(stderr, "Please use \"ln -s\" to link directories.\n");
return 1;
}
/*
* If the destination is a directory, create a file within it.
*/
if ( is_a_directory(i->destination) ) {
destination = join_paths(
d
,i->destination
,&i->source[i->directoryLength]);
}
if ( i->force )
status = ( unlink(destination) && errno != ENOENT );
if ( status == 0 ) {
if ( i->makeSymbolicLink )
status = symlink(i->source, destination);
else
status = link(i->source, destination);
}
if ( status != 0 ) {
name_and_error(destination);
return 1;
}
else
return 0;
}
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