[Buildroot] [PATCH 1/2] package/makedevs: add recursive option
Angelo Compagnucci
angelo.compagnucci at gmail.com
Fri Mar 13 10:50:04 UTC 2015
This patch adds the possibilty to change owner/permission
of a folder recursively.
Signed-off-by: Angelo Compagnucci <angelo.compagnucci at gmail.com>
---
package/makedevs/makedevs.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/package/makedevs/makedevs.c b/package/makedevs/makedevs.c
index ab90b93..e575427 100644
--- a/package/makedevs/makedevs.c
+++ b/package/makedevs/makedevs.c
@@ -34,6 +34,8 @@
#ifndef __APPLE__
#include <sys/sysmacros.h> /* major() and minor() */
#endif
+#include <ftw.h>
+
const char *bb_applet_name;
@@ -332,6 +334,7 @@ void bb_show_usage(void)
fprintf(stderr, "Where name is the file name, type can be one of:\n");
fprintf(stderr, " f A regular file\n");
fprintf(stderr, " d Directory\n");
+ fprintf(stderr, " r Directory recursively\n");
fprintf(stderr, " c Character special device file\n");
fprintf(stderr, " b Block special device file\n");
fprintf(stderr, " p Fifo (named pipe)\n");
@@ -364,6 +367,20 @@ void bb_show_usage(void)
exit(1);
}
+bb_recursive(const char *full_name, uid_t uid, gid_t gid, unsigned int mode){
+
+ int chmod_chown(const char *fpath, const struct stat *sb,
+ int tflag, struct FTW *ftwbuf) {
+ if (chown(fpath, uid, gid) == -1) return -1;
+ if ((mode != -1)) {
+ if (chmod(fpath, mode) < 0) return -1;
+ }
+ return 0;
+ }
+
+ return nftw(full_name, chmod_chown, 20, FTW_MOUNT | FTW_PHYS);
+}
+
int main(int argc, char **argv)
{
int opt;
@@ -474,6 +491,12 @@ int main(int argc, char **argv)
ret = EXIT_FAILURE;
goto loop;
}
+ } else if (type == 'r') {
+ if (bb_recursive(full_name, uid, gid, mode) < 0) {
+ bb_perror_msg("line %d: recursive failed for %s", linenum, full_name);
+ ret = EXIT_FAILURE;
+ goto loop;
+ }
} else
{
dev_t rdev;
--
1.9.1
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