diff options
Diffstat (limited to 'examples/loadables/unlink.c')
-rw-r--r-- | examples/loadables/unlink.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/examples/loadables/unlink.c b/examples/loadables/unlink.c new file mode 100644 index 0000000..8c81ad0 --- /dev/null +++ b/examples/loadables/unlink.c @@ -0,0 +1,52 @@ +/* unlink - remove a directory entry */ + +/* Should only be used to remove directories by a superuser prepared to let + fsck clean up the file system. */ + +#include <config.h> + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#include <stdio.h> +#include <errno.h> + +#include "builtins.h" +#include "shell.h" + +#ifndef errno +extern int errno; +#endif + +unlink_builtin (list) + WORD_LIST *list; +{ + if (list == 0) + { + builtin_usage (); + return (EX_USAGE); + } + + if (unlink (list->word->word) != 0) + { + builtin_error ("%s: cannot unlink: %s", list->word->word, strerror (errno)); + return (EXECUTION_FAILURE); + } + + return (EXECUTION_SUCCESS); +} + +char *unlink_doc[] = { + "Remove a directory entry.", + (char *)NULL +}; + +struct builtin unlink_struct = { + "unlink", /* builtin name */ + unlink_builtin, /* function implementing the builtin */ + BUILTIN_ENABLED, /* initial flags for builtin */ + unlink_doc, /* array of long documentation strings. */ + "unlink name", /* usage synopsis; becomes short_doc */ + 0 /* reserved for internal use */ +}; |