diff options
author | Eric Andersen <andersen@codepoet.org> | 1999-10-05 20:24:54 +0400 |
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committer | Eric Andersen <andersen@codepoet.org> | 1999-10-05 20:24:54 +0400 |
commit | cc8ed39b240180b58810784f844e253263594ac3 (patch) | |
tree | 15feebbb4be9a9168209609f48f0b100f9364420 /ln.c |
Initial revision0_29alpha2
Diffstat (limited to 'ln.c')
-rw-r--r-- | ln.c | 52 |
1 files changed, 52 insertions, 0 deletions
@@ -0,0 +1,52 @@ +#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; +} |