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