Minor optimization, use strdupa() for small alloc ops.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

src/cgroup.c

@@ -98,7 +98,7 @@ static void group_init(char *path, int leaf, const char *cfg)
 	if (!cfg)
 		return;
 
-	s = strdup(cfg);
+	s = strdupa(cfg);
 	if (!s) {
 		_pe("Failed activating cgroup cfg for %s", path);
 		return;
@@ -115,8 +115,6 @@ static void group_init(char *path, int leaf, const char *cfg)
 
 		ptr = strtok(NULL, ",");
 	}
-
-	free(s);
 }
 
 static int cgroup_leaf_init(char *group, char *name, int pid, const char *cfg)

src/initctl.c

@@ -364,7 +364,7 @@ static char *svc_cond(svc_t *svc, char *buf, size_t len)
 	if (!svc->cond[0])
 		return buf;
 
-	conds = strdup(svc->cond);
+	conds = strdupa(svc->cond);
 	if (!conds)
 		return buf;
 
@@ -401,7 +401,6 @@ static char *svc_cond(svc_t *svc, char *buf, size_t len)
 	}
 
 	strlcat(buf, ">", len);
-	free(conds);
 
 	return buf;
 }

src/service.c

@@ -1078,7 +1078,7 @@ int service_register(int type, char *cfg, struct rlimit rlimit[], char *file)
 		return errno = EINVAL;
 	}
 
-	line = strdup(cfg);
+	line = strdupa(cfg);
 	if (!line)
 		return 1;
 
@@ -1104,7 +1104,6 @@ int service_register(int type, char *cfg, struct rlimit rlimit[], char *file)
 	if (!cmd) {
 	incomplete:
 		_e("Incomplete service '%s', cannot register", cfg);
-		free(line);
 		return errno = ENOENT;
 	}
 
@@ -1147,7 +1146,6 @@ int service_register(int type, char *cfg, struct rlimit rlimit[], char *file)
 	levels = conf_parse_runlevels(runlevels);
 	if (runlevel > 0 && !ISOTHER(levels, 0)) {
 		_d("Skipping %s, bootstrap is completed.", cmd);
-		free(line);
 		return 0;
 	}
 
@@ -1160,7 +1158,6 @@ int service_register(int type, char *cfg, struct rlimit rlimit[], char *file)
 		svc = svc_new(cmd, id, type);
 		if (!svc) {
 			_e("Out of memory, cannot register service %s", cmd);
-			free(line);
 			return errno = ENOMEM;
 		}
 
@@ -1231,8 +1228,6 @@ int service_register(int type, char *cfg, struct rlimit rlimit[], char *file)
 	if (!file)
 		svc->protect = 1;
 
-	/* Free duped line, from above */
-	free(line);
 	return 0;
 }