core: fix missing newlines when writing out drop-ins for cgroup settings

Except for per-device BlockIO, IO and DeviceAllow/Deny settings, all were
missing newline causing the next drop-in to be concatenated at the end of the
line.  Fix it.

1 files changed, 24 insertions, 28 deletions

diff --git a/src/core/dbus-cgroup.c b/src/core/dbus-cgroup.c
index 76f07c550d..d6053581f8 100644
--- a/src/core/dbus-cgroup.c
+++ b/src/core/dbus-cgroup.c
@@ -260,7 +260,7 @@ static int bus_cgroup_set_transient_property(
 
                 if (mode != UNIT_CHECK) {
                         c->delegate = b;
-                        unit_write_drop_in_private(u, mode, name, b ? "Delegate=yes" : "Delegate=no");
+                        unit_write_drop_in_private(u, mode, name, b ? "Delegate=yes\n" : "Delegate=no\n");
                 }
 
                 return 1;
@@ -295,7 +295,7 @@ int bus_cgroup_set_property(
                 if (mode != UNIT_CHECK) {
                         c->cpu_accounting = b;
                         unit_invalidate_cgroup(u, CGROUP_MASK_CPUACCT|CGROUP_MASK_CPU);
-                        unit_write_drop_in_private(u, mode, name, b ? "CPUAccounting=yes" : "CPUAccounting=no");
+                        unit_write_drop_in_private(u, mode, name, b ? "CPUAccounting=yes\n" : "CPUAccounting=no\n");
                 }
 
                 return 1;
@@ -315,9 +315,9 @@ int bus_cgroup_set_property(
                         unit_invalidate_cgroup(u, CGROUP_MASK_CPU);
 
                         if (shares == CGROUP_CPU_SHARES_INVALID)
-                                unit_write_drop_in_private(u, mode, name, "CPUShares=");
+                                unit_write_drop_in_private(u, mode, name, "CPUShares=\n");
                         else
-                                unit_write_drop_in_private_format(u, mode, name, "CPUShares=%" PRIu64, shares);
+                                unit_write_drop_in_private_format(u, mode, name, "CPUShares=%" PRIu64 "\n", shares);
                 }
 
                 return 1;
@@ -337,9 +337,9 @@ int bus_cgroup_set_property(
                         unit_invalidate_cgroup(u, CGROUP_MASK_CPU);
 
                         if (shares == CGROUP_CPU_SHARES_INVALID)
-                                unit_write_drop_in_private(u, mode, name, "StartupCPUShares=");
+                                unit_write_drop_in_private(u, mode, name, "StartupCPUShares=\n");
                         else
-                                unit_write_drop_in_private_format(u, mode, name, "StartupCPUShares=%" PRIu64, shares);
+                                unit_write_drop_in_private_format(u, mode, name, "StartupCPUShares=%" PRIu64 "\n", shares);
                 }
 
                 return 1;
@@ -357,7 +357,7 @@ int bus_cgroup_set_property(
                 if (mode != UNIT_CHECK) {
                         c->cpu_quota_per_sec_usec = u64;
                         unit_invalidate_cgroup(u, CGROUP_MASK_CPU);
-                        unit_write_drop_in_private_format(u, mode, "CPUQuota", "CPUQuota=%0.f%%", (double) (c->cpu_quota_per_sec_usec / 10000));
+                        unit_write_drop_in_private_format(u, mode, "CPUQuota", "CPUQuota=%0.f%%\n", (double) (c->cpu_quota_per_sec_usec / 10000));
                 }
 
                 return 1;
@@ -372,7 +372,7 @@ int bus_cgroup_set_property(
                 if (mode != UNIT_CHECK) {
                         c->io_accounting = b;
                         unit_invalidate_cgroup(u, CGROUP_MASK_IO);
-                        unit_write_drop_in_private(u, mode, name, b ? "IOAccounting=yes" : "IOAccounting=no");
+                        unit_write_drop_in_private(u, mode, name, b ? "IOAccounting=yes\n" : "IOAccounting=no\n");
                 }
 
                 return 1;
@@ -392,9 +392,9 @@ int bus_cgroup_set_property(
                         unit_invalidate_cgroup(u, CGROUP_MASK_IO);
 
                         if (weight == CGROUP_WEIGHT_INVALID)
-                                unit_write_drop_in_private(u, mode, name, "IOWeight=");
+                                unit_write_drop_in_private(u, mode, name, "IOWeight=\n");
                         else
-                                unit_write_drop_in_private_format(u, mode, name, "IOWeight=%" PRIu64, weight);
+                                unit_write_drop_in_private_format(u, mode, name, "IOWeight=%" PRIu64 "\n", weight);
                 }
 
                 return 1;
@@ -414,9 +414,9 @@ int bus_cgroup_set_property(
                         unit_invalidate_cgroup(u, CGROUP_MASK_IO);
 
                         if (weight == CGROUP_WEIGHT_INVALID)
-                                unit_write_drop_in_private(u, mode, name, "StartupIOWeight=");
+                                unit_write_drop_in_private(u, mode, name, "StartupIOWeight=\n");
                         else
-                                unit_write_drop_in_private_format(u, mode, name, "StartupIOWeight=%" PRIu64, weight);
+                                unit_write_drop_in_private_format(u, mode, name, "StartupIOWeight=%" PRIu64 "\n", weight);
                 }
 
                 return 1;
@@ -589,7 +589,7 @@ int bus_cgroup_set_property(
                 if (mode != UNIT_CHECK) {
                         c->blockio_accounting = b;
                         unit_invalidate_cgroup(u, CGROUP_MASK_BLKIO);
-                        unit_write_drop_in_private(u, mode, name, b ? "BlockIOAccounting=yes" : "BlockIOAccounting=no");
+                        unit_write_drop_in_private(u, mode, name, b ? "BlockIOAccounting=yes\n" : "BlockIOAccounting=no\n");
                 }
 
                 return 1;
@@ -609,9 +609,9 @@ int bus_cgroup_set_property(
                         unit_invalidate_cgroup(u, CGROUP_MASK_BLKIO);
 
                         if (weight == CGROUP_BLKIO_WEIGHT_INVALID)
-                                unit_write_drop_in_private(u, mode, name, "BlockIOWeight=");
+                                unit_write_drop_in_private(u, mode, name, "BlockIOWeight=\n");
                         else
-                                unit_write_drop_in_private_format(u, mode, name, "BlockIOWeight=%" PRIu64, weight);
+                                unit_write_drop_in_private_format(u, mode, name, "BlockIOWeight=%" PRIu64 "\n", weight);
                 }
 
                 return 1;
@@ -631,9 +631,9 @@ int bus_cgroup_set_property(
                         unit_invalidate_cgroup(u, CGROUP_MASK_BLKIO);
 
                         if (weight == CGROUP_BLKIO_WEIGHT_INVALID)
-                                unit_write_drop_in_private(u, mode, name, "StartupBlockIOWeight=");
+                                unit_write_drop_in_private(u, mode, name, "StartupBlockIOWeight=\n");
                         else
-                                unit_write_drop_in_private_format(u, mode, name, "StartupBlockIOWeight=%" PRIu64, weight);
+                                unit_write_drop_in_private_format(u, mode, name, "StartupBlockIOWeight=%" PRIu64 "\n", weight);
                 }
 
                 return 1;
@@ -821,7 +821,7 @@ int bus_cgroup_set_property(
                 if (mode != UNIT_CHECK) {
                         c->memory_accounting = b;
                         unit_invalidate_cgroup(u, CGROUP_MASK_MEMORY);
-                        unit_write_drop_in_private(u, mode, name, b ? "MemoryAccounting=yes" : "MemoryAccounting=no");
+                        unit_write_drop_in_private(u, mode, name, b ? "MemoryAccounting=yes\n" : "MemoryAccounting=no\n");
                 }
 
                 return 1;
@@ -838,9 +838,9 @@ int bus_cgroup_set_property(
                         unit_invalidate_cgroup(u, CGROUP_MASK_MEMORY);
 
                         if (limit == (uint64_t) -1)
-                                unit_write_drop_in_private(u, mode, name, "MemoryLimit=infinity");
+                                unit_write_drop_in_private(u, mode, name, "MemoryLimit=infinity\n");
                         else
-                                unit_write_drop_in_private_format(u, mode, name, "MemoryLimit=%" PRIu64, limit);
+                                unit_write_drop_in_private_format(u, mode, name, "MemoryLimit=%" PRIu64 "\n", limit);
                 }
 
                 return 1;
@@ -858,13 +858,9 @@ int bus_cgroup_set_property(
                         return -EINVAL;
 
                 if (mode != UNIT_CHECK) {
-                        char *buf;
-
                         c->device_policy = p;
                         unit_invalidate_cgroup(u, CGROUP_MASK_DEVICES);
-
-                        buf = strjoina("DevicePolicy=", policy);
-                        unit_write_drop_in_private(u, mode, name, buf);
+                        unit_write_drop_in_private_format(u, mode, name, "DevicePolicy=%s\n", policy);
                 }
 
                 return 1;
@@ -968,7 +964,7 @@ int bus_cgroup_set_property(
                 if (mode != UNIT_CHECK) {
                         c->tasks_accounting = b;
                         unit_invalidate_cgroup(u, CGROUP_MASK_PIDS);
-                        unit_write_drop_in_private(u, mode, name, b ? "TasksAccounting=yes" : "TasksAccounting=no");
+                        unit_write_drop_in_private(u, mode, name, b ? "TasksAccounting=yes\n" : "TasksAccounting=no\n");
                 }
 
                 return 1;
@@ -985,9 +981,9 @@ int bus_cgroup_set_property(
                         unit_invalidate_cgroup(u, CGROUP_MASK_PIDS);
 
                         if (limit == (uint64_t) -1)
-                                unit_write_drop_in_private(u, mode, name, "TasksMax=infinity");
+                                unit_write_drop_in_private(u, mode, name, "TasksMax=infinity\n");
                         else
-                                unit_write_drop_in_private_format(u, mode, name, "TasksMax=%" PRIu64, limit);
+                                unit_write_drop_in_private_format(u, mode, name, "TasksMax=%" PRIu64 "\n", limit);
                 }
 
                 return 1;