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-rw-r--r--toys/posix/chmod.c68
1 files changed, 33 insertions, 35 deletions
diff --git a/toys/posix/chmod.c b/toys/posix/chmod.c
index dcef9751..89b6e083 100644
--- a/toys/posix/chmod.c
+++ b/toys/posix/chmod.c
@@ -1,6 +1,4 @@
-/* vi: set sw=4 ts=4:
- *
- * chmod.c - Change file mode bits
+/* chmod.c - Change file mode bits
*
* Copyright 2012 Rob Landley <rob@landley.net>
*
@@ -9,59 +7,59 @@
USE_CHMOD(NEWTOY(chmod, "<2?vR", TOYFLAG_BIN))
config CHMOD
- bool "chmod"
- default y
- help
- usage: chmod [-R] MODE FILE...
+ bool "chmod"
+ default y
+ help
+ usage: chmod [-R] MODE FILE...
- Change mode of listed file[s] (recursively with -R).
+ Change mode of listed file[s] (recursively with -R).
- MODE can be (comma-separated) stanzas: [ugoa][+-=][rwxstXugo]
+ MODE can be (comma-separated) stanzas: [ugoa][+-=][rwxstXugo]
- Stanzas are applied in order: For each category (u = user,
- g = group, o = other, a = all three, if none specified default is a),
- set (+), clear (-), or copy (=), r = read, w = write, x = execute.
- s = u+s = suid, g+s = sgid, o+s = sticky. (+t is an alias for o+s).
- suid/sgid: execute as the user/group who owns the file.
- sticky: can't delete files you don't own out of this directory
- X = x for directories or if any category already has x set.
+ Stanzas are applied in order: For each category (u = user,
+ g = group, o = other, a = all three, if none specified default is a),
+ set (+), clear (-), or copy (=), r = read, w = write, x = execute.
+ s = u+s = suid, g+s = sgid, o+s = sticky. (+t is an alias for o+s).
+ suid/sgid: execute as the user/group who owns the file.
+ sticky: can't delete files you don't own out of this directory
+ X = x for directories or if any category already has x set.
- Or MODE can be an octal value up to 7777 ug uuugggooo top +
- bit 1 = o+x, bit 1<<8 = u+w, 1<<11 = g+1 sstrwxrwxrwx bottom
+ Or MODE can be an octal value up to 7777 ug uuugggooo top +
+ bit 1 = o+x, bit 1<<8 = u+w, 1<<11 = g+1 sstrwxrwxrwx bottom
- Examples:
- chmod u+w file - allow owner of "file" to write to it.
- chmod 744 file - user can read/write/execute, everyone else read only
+ Examples:
+ chmod u+w file - allow owner of "file" to write to it.
+ chmod 744 file - user can read/write/execute, everyone else read only
*/
#define FOR_chmod
#include "toys.h"
GLOBALS(
- char *mode;
+ char *mode;
)
int do_chmod(struct dirtree *try)
{
- mode_t mode;
+ mode_t mode;
- if (!dirtree_notdotdot(try)) return 0;
+ if (!dirtree_notdotdot(try)) return 0;
- mode = string_to_mode(TT.mode, try->st.st_mode);
- if (toys.optflags & FLAG_v) {
- char *s = dirtree_path(try, 0);
- printf("chmod '%s' to %04o\n", s, mode);
- free(s);
- }
- wfchmodat(dirtree_parentfd(try), try->name, mode);
+ mode = string_to_mode(TT.mode, try->st.st_mode);
+ if (toys.optflags & FLAG_v) {
+ char *s = dirtree_path(try, 0);
+ printf("chmod '%s' to %04o\n", s, mode);
+ free(s);
+ }
+ wfchmodat(dirtree_parentfd(try), try->name, mode);
- return (toys.optflags & FLAG_R) ? DIRTREE_RECURSE : 0;
+ return (toys.optflags & FLAG_R) ? DIRTREE_RECURSE : 0;
}
void chmod_main(void)
{
- TT.mode = *toys.optargs;
- char **file;
+ TT.mode = *toys.optargs;
+ char **file;
- for (file = toys.optargs+1; *file; file++) dirtree_read(*file, do_chmod);
+ for (file = toys.optargs+1; *file; file++) dirtree_read(*file, do_chmod);
}