From 1aaa68f535a4cb5908917031610bb7473baa30c7 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Thu, 11 Aug 2016 22:43:07 -0400
Subject: [PATCH] sd-journal: split out flags into separate defines for
 legibility
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

… in preparation for future changes.
---
 src/journal/sd-journal.c | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index 2a3824d..a9e90c1 100644
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -1737,12 +1737,17 @@ fail:
         return NULL;
 }
 
+#define OPEN_ALLOWED_FLAGS                              \
+        (SD_JOURNAL_LOCAL_ONLY |                        \
+         SD_JOURNAL_RUNTIME_ONLY |                      \
+         SD_JOURNAL_SYSTEM | SD_JOURNAL_CURRENT_USER)
+
 _public_ int sd_journal_open(sd_journal **ret, int flags) {
         sd_journal *j;
         int r;
 
         assert_return(ret, -EINVAL);
-        assert_return((flags & ~(SD_JOURNAL_LOCAL_ONLY|SD_JOURNAL_RUNTIME_ONLY|SD_JOURNAL_SYSTEM|SD_JOURNAL_CURRENT_USER)) == 0, -EINVAL);
+        assert_return((flags & ~OPEN_ALLOWED_FLAGS) == 0, -EINVAL);
 
         j = journal_new(flags, NULL);
         if (!j)
@@ -1761,6 +1766,9 @@ fail:
         return r;
 }
 
+#define OPEN_CONTAINER_ALLOWED_FLAGS                    \
+        (SD_JOURNAL_LOCAL_ONLY | SD_JOURNAL_SYSTEM)
+
 _public_ int sd_journal_open_container(sd_journal **ret, const char *machine, int flags) {
         _cleanup_free_ char *root = NULL, *class = NULL;
         sd_journal *j;
@@ -1772,7 +1780,7 @@ _public_ int sd_journal_open_container(sd_journal **ret, const char *machine, in
 
         assert_return(machine, -EINVAL);
         assert_return(ret, -EINVAL);
-        assert_return((flags & ~(SD_JOURNAL_LOCAL_ONLY|SD_JOURNAL_SYSTEM)) == 0, -EINVAL);
+        assert_return((flags & ~OPEN_CONTAINER_ALLOWED_FLAGS) == 0, -EINVAL);
         assert_return(machine_name_is_valid(machine), -EINVAL);
 
         p = strjoina("/run/systemd/machines/", machine);
@@ -1806,13 +1814,16 @@ fail:
         return r;
 }
 
+#define OPEN_DIRECTORY_ALLOWED_FLAGS                    \
+        SD_JOURNAL_OS_ROOT
+
 _public_ int sd_journal_open_directory(sd_journal **ret, const char *path, int flags) {
         sd_journal *j;
         int r;
 
         assert_return(ret, -EINVAL);
         assert_return(path, -EINVAL);
-        assert_return((flags & ~SD_JOURNAL_OS_ROOT) == 0, -EINVAL);
+        assert_return((flags & ~OPEN_DIRECTORY_ALLOWED_FLAGS) == 0, -EINVAL);
 
         j = journal_new(flags, path);
         if (!j)
@@ -1861,6 +1872,9 @@ fail:
         return r;
 }
 
+#define OPEN_DIRECTORY_FD_ALLOWED_FLAGS         \
+        SD_JOURNAL_OS_ROOT
+
 _public_ int sd_journal_open_directory_fd(sd_journal **ret, int fd, int flags) {
         sd_journal *j;
         struct stat st;
@@ -1868,7 +1882,7 @@ _public_ int sd_journal_open_directory_fd(sd_journal **ret, int fd, int flags) {
 
         assert_return(ret, -EINVAL);
         assert_return(fd >= 0, -EBADF);
-        assert_return((flags & ~SD_JOURNAL_OS_ROOT) == 0, -EINVAL);
+        assert_return((flags & ~OPEN_DIRECTORY_FD_ALLOWED_FLAGS) == 0, -EINVAL);
 
         if (fstat(fd, &st) < 0)
                 return -errno;
-- 
2.7.4