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| author | Eric Andersen <andersen@codepoet.org> | 1999-10-05 16:24:54 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 1999-10-05 16:24:54 +0000 |
| commit | cc8ed39b240180b58810784f844e253263594ac3 (patch) | |
| tree | 15feebbb4be9a9168209609f48f0b100f9364420 /ln.c | |
| download | busybox-w32-cc8ed39b240180b58810784f844e253263594ac3.tar.gz busybox-w32-cc8ed39b240180b58810784f844e253263594ac3.tar.bz2 busybox-w32-cc8ed39b240180b58810784f844e253263594ac3.zip | |
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 @@ | |||
| 1 | #include "internal.h" | ||
| 2 | #include <stdio.h> | ||
| 3 | #include <sys/stat.h> | ||
| 4 | #include <sys/param.h> | ||
| 5 | #include <errno.h> | ||
| 6 | |||
| 7 | const char ln_usage[] = "ln [-s] [-f] original-name additional-name\n" | ||
| 8 | "\n" | ||
| 9 | "\tAdd a new name that refers to the same file as \"original-name\"\n" | ||
| 10 | "\n" | ||
| 11 | "\t-s:\tUse a \"symbolic\" link, instead of a \"hard\" link.\n" | ||
| 12 | "\t-f:\tRemove existing destination files.\n"; | ||
| 13 | |||
| 14 | int | ||
| 15 | ln_fn(const struct FileInfo * i) | ||
| 16 | { | ||
| 17 | int status = 0; | ||
| 18 | char d[PATH_MAX]; | ||
| 19 | const char * destination = i->destination; | ||
| 20 | |||
| 21 | if ( !i->makeSymbolicLink && (i->stat.st_mode & S_IFMT) == S_IFDIR ) { | ||
| 22 | fprintf(stderr, "Please use \"ln -s\" to link directories.\n"); | ||
| 23 | return 1; | ||
| 24 | } | ||
| 25 | |||
| 26 | /* | ||
| 27 | * If the destination is a directory, create a file within it. | ||
| 28 | */ | ||
| 29 | if ( is_a_directory(i->destination) ) { | ||
| 30 | destination = join_paths( | ||
| 31 | d | ||
| 32 | ,i->destination | ||
| 33 | ,&i->source[i->directoryLength]); | ||
| 34 | } | ||
| 35 | |||
| 36 | if ( i->force ) | ||
| 37 | status = ( unlink(destination) && errno != ENOENT ); | ||
| 38 | |||
| 39 | if ( status == 0 ) { | ||
| 40 | if ( i->makeSymbolicLink ) | ||
| 41 | status = symlink(i->source, destination); | ||
| 42 | else | ||
| 43 | status = link(i->source, destination); | ||
| 44 | } | ||
| 45 | |||
| 46 | if ( status != 0 ) { | ||
| 47 | name_and_error(destination); | ||
| 48 | return 1; | ||
| 49 | } | ||
| 50 | else | ||
| 51 | return 0; | ||
| 52 | } | ||