util: rework strappenda(), and rename it strjoina()

[elogind.git] / src / machine / machine.c

diff --git a/src/machine/machine.c b/src/machine/machine.c
index 0ed18d74ece89a8c0680e6f70b73a79ba0c74728..223eb0f3641be7677742a0f9d7dc1075a404b97c 100644 (file)
--- a/src/machine/machine.c
+++ b/src/machine/machine.c
@@ -32,9 +32,10 @@
 #include "fileio.h"
 #include "special.h"
 #include "unit-name.h"
-#include "machine.h"
 #include "bus-util.h"
 #include "bus-error.h"
+#include "machine.h"
+#include "machine-dbus.h"
 
 Machine* machine_new(Manager *manager, const char *name) {
         Machine *m;
@@ -201,23 +202,25 @@ int machine_save(Machine *m) {
                 goto finish;
         }
 
+        free(temp_path);
+        temp_path = NULL;
+
         if (m->unit) {
                 char *sl;
 
                 /* Create a symlink from the unit name to the machine
                  * name, so that we can quickly find the machine for
                  * each given unit */
-                sl = strappenda("/run/systemd/machines/unit:", m->unit);
+                sl = strjoina("/run/systemd/machines/unit:", m->unit);
                 symlink(m->name, sl);
         }
 
 finish:
-        if (r < 0) {
-                if (temp_path)
-                        unlink(temp_path);
+        if (temp_path)
+                unlink(temp_path);
 
-                log_error("Failed to save machine data %s: %s", m->state_file, strerror(-r));
-        }
+        if (r < 0)
+                log_error_errno(r, "Failed to save machine data %s: %m", m->state_file);
 
         return r;
 }
@@ -229,7 +232,7 @@ static void machine_unlink(Machine *m) {
 
                 char *sl;
 
-                sl = strappenda("/run/systemd/machines/unit:", m->unit);
+                sl = strjoina("/run/systemd/machines/unit:", m->unit);
                 unlink(sl);
         }
 
@@ -259,8 +262,7 @@ int machine_load(Machine *m) {
                 if (r == -ENOENT)
                         return 0;
 
-                log_error("Failed to read %s: %s", m->state_file, strerror(-r));
-                return r;
+                return log_error_errno(r, "Failed to read %s: %m", m->state_file);
         }
 
         if (id)
@@ -291,14 +293,14 @@ int machine_load(Machine *m) {
 
         if (netif) {
                 size_t l, allocated = 0, nr = 0;
-                char *w, *state;
+                const char *word, *state;
                 int *ni = NULL;
 
-                FOREACH_WORD(w, l, netif, state) {
+                FOREACH_WORD(word, l, netif, state) {
                         char buf[l+1];
                         int ifi;
 
-                        *(char*) (mempcpy(buf, w, l)) = 0;
+                        *(char*) (mempcpy(buf, word, l)) = 0;
 
                         if (safe_atoi(buf, &ifi) < 0)
                                 continue;
@@ -338,7 +340,7 @@ static int machine_start_scope(Machine *m, sd_bus_message *properties, sd_bus_er
                 if (!scope)
                         return log_oom();
 
-                description = strappenda(m->class == MACHINE_VM ? "Virtual Machine " : "Container ", m->name);
+                description = strjoina(m->class == MACHINE_VM ? "Virtual Machine " : "Container ", m->name);
 
                 r = manager_start_scope(m->manager, scope, m->leader, SPECIAL_MACHINE_SLICE, description, properties, error, &job);
                 if (r < 0) {
@@ -377,10 +379,10 @@ int machine_start(Machine *m, sd_bus_message *properties, sd_bus_error *error) {
                 return r;
 
         log_struct(LOG_INFO,
-                   MESSAGE_ID(SD_MESSAGE_MACHINE_START),
+                   LOG_MESSAGE_ID(SD_MESSAGE_MACHINE_START),
                    "NAME=%s", m->name,
                    "LEADER="PID_FMT, m->leader,
-                   "MESSAGE=New machine %s.", m->name,
+                   LOG_MESSAGE("New machine %s.", m->name),
                    NULL);
 
         if (!dual_timestamp_is_set(&m->timestamp))
@@ -406,12 +408,10 @@ static int machine_stop_scope(Machine *m) {
         if (!m->unit)
                 return 0;
 
-        if (!m->registered) {
-                r = manager_stop_unit(m->manager, m->unit, &error, &job);
-                if (r < 0) {
-                        log_error("Failed to stop machine scope: %s", bus_error_message(&error, r));
-                        return r;
-                }
+        r = manager_stop_unit(m->manager, m->unit, &error, &job);
+        if (r < 0) {
+                log_error("Failed to stop machine scope: %s", bus_error_message(&error, r));
+                return r;
         }
 
         free(m->scope_job);
@@ -426,10 +426,10 @@ int machine_stop(Machine *m) {
 
         if (m->started)
                 log_struct(LOG_INFO,
-                           MESSAGE_ID(SD_MESSAGE_MACHINE_STOP),
+                           LOG_MESSAGE_ID(SD_MESSAGE_MACHINE_STOP),
                            "NAME=%s", m->name,
                            "LEADER="PID_FMT, m->leader,
-                           "MESSAGE=Machine %s terminated.", m->name,
+                           LOG_MESSAGE("Machine %s terminated.", m->name),
                            NULL);
 
         /* Kill cgroup */
@@ -493,6 +493,8 @@ int machine_kill(Machine *m, KillWho who, int signo) {
 
                 if (kill(m->leader, signo) < 0)
                         return -errno;
+
+                return 0;
         }
 
         /* Otherwise make PID 1 do it for us, for the entire cgroup */