chiark / gitweb /
core: move status line ellipsation to 50% of the line
[elogind.git] / src / shared / cgroup-util.c
index 1aa81c2cd18f1700a75631a4d6b9b1659dba3e9b..f683ae990ed2ffdbb77d464709ac554959f78019 100644 (file)
@@ -472,9 +472,7 @@ static int join_path(const char *controller, const char *path, const char *suffi
         if (!t)
                 return -ENOMEM;
 
-        path_kill_slashes(t);
-
-        *fs = t;
+        *fs = path_kill_slashes(t);
         return 0;
 }
 
@@ -509,7 +507,7 @@ static int check_hierarchy(const char *p) {
         assert(p);
 
         /* Check if this controller actually really exists */
-        cc = alloca(sizeof("/sys/fs/cgroup/") + strlen(p));
+        cc = alloca(strlen("/sys/fs/cgroup/") + strlen(p) + 1);
         strcpy(stpcpy(cc, "/sys/fs/cgroup/"), p);
         if (access(cc, F_OK) < 0)
                 return -errno;
@@ -643,7 +641,7 @@ int cg_attach(const char *controller, const char *path, pid_t pid) {
         if (pid == 0)
                 pid = getpid();
 
-        snprintf(c, sizeof(c), "%lu\n", (unsigned long) pid);
+        snprintf(c, sizeof(c), PID_FMT"\n", pid);
 
         return write_string_file(fs, c);
 }
@@ -755,9 +753,9 @@ int cg_pid_get_path(const char *controller, pid_t pid, char **path) {
         cs = strlen(controller);
 
         FOREACH_LINE(line, f, return -errno) {
-                char *l, *p, *w, *e;
+                char *l, *p, *e;
                 size_t k;
-                char *state;
+                const char *word, *state;
                 bool found = false;
 
                 truncate_nl(line);
@@ -773,16 +771,16 @@ int cg_pid_get_path(const char *controller, pid_t pid, char **path) {
 
                 *e = 0;
 
-                FOREACH_WORD_SEPARATOR(w, k, l, ",", state) {
+                FOREACH_WORD_SEPARATOR(word, k, l, ",", state) {
 
-                        if (k == cs && memcmp(w, controller, cs) == 0) {
+                        if (k == cs && memcmp(word, controller, cs) == 0) {
                                 found = true;
                                 break;
                         }
 
                         if (k == 5 + cs &&
-                            memcmp(w, "name=", 5) == 0 &&
-                            memcmp(w+5, controller, cs) == 0) {
+                            memcmp(word, "name=", 5) == 0 &&
+                            memcmp(word+5, controller, cs) == 0) {
                                 found = true;
                                 break;
                         }
@@ -957,8 +955,7 @@ int cg_split_spec(const char *spec, char **controller, char **path) {
                         if (!t)
                                 return -ENOMEM;
 
-                        path_kill_slashes(t);
-                        *path = t;
+                        *path = path_kill_slashes(t);
                 }
 
                 if (controller)
@@ -1041,19 +1038,18 @@ int cg_mangle_path(const char *path, char **result) {
         assert(path);
         assert(result);
 
-        /* First check if it already is a filesystem path */
+        /* First, check if it already is a filesystem path */
         if (path_startswith(path, "/sys/fs/cgroup")) {
 
                 t = strdup(path);
                 if (!t)
                         return -ENOMEM;
 
-                path_kill_slashes(t);
-                *result = t;
+                *result = path_kill_slashes(t);
                 return 0;
         }
 
-        /* Otherwise treat it as cg spec */
+        /* Otherwise, treat it as cg spec */
         r = cg_split_spec(path, &c, &p);
         if (r < 0)
                 return r;