From 6c00c6cee5a32b6af0e4c589d74c6974be50aa20 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 8 Apr 2015 20:47:35 +0200
Subject: [PATCH] util: merge change_attr_fd() and chattr_fd()

---
 src/shared/copy.c |  2 +-
 src/shared/util.c | 36 +++++-------------------------------
 src/shared/util.h |  5 ++---
 3 files changed, 8 insertions(+), 35 deletions(-)

diff --git a/src/shared/copy.c b/src/shared/copy.c
index 775a33985..1282cb88b 100644
--- a/src/shared/copy.c
+++ b/src/shared/copy.c
@@ -372,7 +372,7 @@ int copy_file(const char *from, const char *to, int flags, mode_t mode, unsigned
         }
 
         if (chattr_flags != 0)
-                (void) chattr_fd(fdt, true, chattr_flags);
+                (void) chattr_fd(fdt, chattr_flags, (unsigned) -1);
 
         r = copy_file_fd(from, fdt, true);
         if (r < 0) {
diff --git a/src/shared/util.c b/src/shared/util.c
index d7e4318de..ffde3ff8f 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -7634,7 +7634,7 @@ int fd_setcrtime(int fd, usec_t usec) {
         return 0;
 }
 
-int chattr_fd(int fd, bool b, unsigned mask) {
+int chattr_fd(int fd, unsigned value, unsigned mask) {
         unsigned old_attr, new_attr;
 
         assert(fd >= 0);
@@ -7645,21 +7645,17 @@ int chattr_fd(int fd, bool b, unsigned mask) {
         if (ioctl(fd, FS_IOC_GETFLAGS, &old_attr) < 0)
                 return -errno;
 
-        if (b)
-                new_attr = old_attr | mask;
-        else
-                new_attr = old_attr & ~mask;
-
+        new_attr = (old_attr & ~mask) | (value & mask);
         if (new_attr == old_attr)
                 return 0;
 
         if (ioctl(fd, FS_IOC_SETFLAGS, &new_attr) < 0)
                 return -errno;
 
-        return 0;
+        return 1;
 }
 
-int chattr_path(const char *p, bool b, unsigned mask) {
+int chattr_path(const char *p, unsigned value, unsigned mask) {
         _cleanup_close_ int fd = -1;
 
         assert(p);
@@ -7671,29 +7667,7 @@ int chattr_path(const char *p, bool b, unsigned mask) {
         if (fd < 0)
                 return -errno;
 
-        return chattr_fd(fd, b, mask);
-}
-
-int change_attr_fd(int fd, unsigned value, unsigned mask) {
-        unsigned old_attr, new_attr;
-
-        assert(fd >= 0);
-
-        if (mask == 0)
-                return 0;
-
-        if (ioctl(fd, FS_IOC_GETFLAGS, &old_attr) < 0)
-                return -errno;
-
-        new_attr = (old_attr & ~mask) |(value & mask);
-
-        if (new_attr == old_attr)
-                return 0;
-
-        if (ioctl(fd, FS_IOC_SETFLAGS, &new_attr) < 0)
-                return -errno;
-
-        return 0;
+        return chattr_fd(fd, value, mask);
 }
 
 int read_attr_fd(int fd, unsigned *ret) {
diff --git a/src/shared/util.h b/src/shared/util.h
index 2154623af..427b52ef1 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -1057,9 +1057,8 @@ int fd_getcrtime(int fd, usec_t *usec);
 int path_getcrtime(const char *p, usec_t *usec);
 int fd_getcrtime_at(int dirfd, const char *name, usec_t *usec, int flags);
 
-int chattr_fd(int fd, bool b, unsigned mask);
-int chattr_path(const char *p, bool b, unsigned mask);
-int change_attr_fd(int fd, unsigned value, unsigned mask);
+int chattr_fd(int fd, unsigned value, unsigned mask);
+int chattr_path(const char *p, unsigned value, unsigned mask);
 
 int read_attr_fd(int fd, unsigned *ret);
 int read_attr_path(const char *p, unsigned *ret);
-- 
2.30.2