Make the error stings const

Make the error stings const, just to be safe.

Signed-off-by: Jan Safranek <jsafrane@redhat.com>
Signed-off-by: Dhaval Giani <dhaval.giani@gmail.com>

2 files changed, 3 insertions, 3 deletions

diff --git a/include/libcgroup.h b/include/libcgroup.h
index 6a262e2..2cac820 100644
--- a/include/libcgroup.h
+++ b/include/libcgroup.h
@@ -288,7 +288,7 @@ int cgroup_get_current_controller_path(pid_t pid, const char *controller,
  * @code: error code for which the corresponding error string is to be
  * returned
  */
-char *cgroup_strerror(int code);
+const char *cgroup_strerror(int code);
 
 /**
  * Return last errno, which caused ECGOTHER error.
diff --git a/src/api.c b/src/api.c
index cd2e298..169df2e 100644
--- a/src/api.c
+++ b/src/api.c
@@ -82,7 +82,7 @@ static pthread_rwlock_t rl_lock = PTHREAD_RWLOCK_INITIALIZER;
 /* Namespace */
 __thread char *cg_namespace_table[CG_CONTROLLER_MAX];
 
-char *cgroup_strerror_codes[] = {
+const char const *cgroup_strerror_codes[] = {
 	"Cgroup is not compiled in",
 	"Cgroup is not mounted",
 	"Cgroup does not exist",
@@ -2512,7 +2512,7 @@ cleanup_path:
 	return ret;
 }
 
-char *cgroup_strerror(int code)
+const char *cgroup_strerror(int code)
 {
 	if (code == ECGOTHER) {
 		return strerror_r(cgroup_get_last_errno(), errtext, MAXLEN);