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author | Jim Meyering <jim@meyering.net> | 1992-10-31 20:42:48 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 1992-10-31 20:42:48 +0000 |
commit | 14fd34b78818660e05806b6eda178e3f846c5c21 (patch) | |
tree | b40038aa2684b5cd95ae2d5fcef564bcf8e05cc3 /src/rmdir.c | |
download | coreutils-14fd34b78818660e05806b6eda178e3f846c5c21.tar.xz |
Initial revision
Diffstat (limited to 'src/rmdir.c')
-rw-r--r-- | src/rmdir.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/rmdir.c b/src/rmdir.c new file mode 100644 index 000000000..59d2de71a --- /dev/null +++ b/src/rmdir.c @@ -0,0 +1,121 @@ +/* rmdir -- remove directories + Copyright (C) 1990, 1991 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Options: + -p, --path Remove any parent dirs that are explicitly mentioned + in an argument, if they become empty after the + argument file is removed. + + David MacKenzie <djm@ai.mit.edu> */ + +#include <stdio.h> +#include <getopt.h> +#include <sys/types.h> +#include "system.h" + +void remove_parents (); +void error (); +void strip_trailing_slashes (); +void usage (); + +/* If nonzero, remove empty parent directories. */ +int empty_paths; + +/* The name this program was run with. */ +char *program_name; + +struct option longopts[] = +{ + {"path", 0, &empty_paths, 1}, + {NULL, 0, NULL, 0} +}; + +void +main (argc, argv) + int argc; + char **argv; +{ + int errors = 0; + int optc; + + program_name = argv[0]; + empty_paths = 0; + + while ((optc = getopt_long (argc, argv, "p", longopts, (int *) 0)) != EOF) + { + switch (optc) + { + case 0: /* Long option. */ + break; + case 'p': + empty_paths = 1; + break; + default: + usage (); + } + } + + if (optind == argc) + usage (); + + for (; optind < argc; ++optind) + { + /* Stripping slashes is harmless for rmdir; + if the arg is not a directory, it will fail with ENOTDIR. */ + strip_trailing_slashes (argv[optind]); + if (rmdir (argv[optind]) != 0) + { + error (0, errno, "%s", argv[optind]); + errors = 1; + } + else if (empty_paths) + remove_parents (argv[optind]); + } + + exit (errors); +} + +/* Remove any empty parent directories of `path'. + Replaces '/' characters in `path' with NULs. */ + +void +remove_parents (path) + char *path; +{ + char *slash; + + do + { + slash = rindex (path, '/'); + if (slash == NULL) + break; + /* Remove any characters after the slash, skipping any extra + slashes in a row. */ + while (slash > path && *slash == '/') + --slash; + slash[1] = 0; + } + while (rmdir (path) == 0); +} + +void +usage () +{ + fprintf (stderr, "Usage: %s [-p] [--path] dir...\n", + program_name); + exit (1); +} |