3 files changed, 7 insertions, 15 deletions
diff --git a/src/libnetdata/aral/README.md b/src/libnetdata/aral/README.md
index d999e820a..564f00f6d 100644
--- a/src/libnetdata/aral/README.md
+++ b/src/libnetdata/aral/README.md
@@ -1,12 +1,3 @@
-<!--
-title: "Array Allocator"
-custom_edit_url: https://github.com/netdata/netdata/edit/master/src/libnetdata/aral/README.md
-sidebar_label: "Array allocator"
-learn_status: "Published"
-learn_topic_type: "Tasks"
-learn_rel_path: "Developers/libnetdata"
--->
-
 # Array Allocator
 
 Come on! Array allocators are embedded in libc! Why do we need such a thing in Netdata?
diff --git a/src/libnetdata/aral/aral.c b/src/libnetdata/aral/aral.c
index 64b63d8e0..2ec27b3df 100644
--- a/src/libnetdata/aral/aral.c
+++ b/src/libnetdata/aral/aral.c
@@ -72,7 +72,7 @@ struct aral {
         struct {
             bool enabled;
             const char *filename;
-            char **cache_dir;
+            const char **cache_dir;
         } mmap;
     } config;
 
@@ -117,7 +117,7 @@ size_t aral_structures(ARAL *ar) {
     return aral_structures_from_stats(ar->stats);
 }
 
-struct aral_statistics *aral_statistics(ARAL *ar) {
+struct aral_statistics *aral_get_statistics(ARAL *ar) {
     return ar->stats;
 }
 
@@ -709,7 +709,7 @@ size_t aral_element_size(ARAL *ar) {
 }
 
 ARAL *aral_create(const char *name, size_t element_size, size_t initial_page_elements, size_t max_page_size,
-                  struct aral_statistics *stats, const char *filename, char **cache_dir, bool mmap, bool lockless) {
+                  struct aral_statistics *stats, const char *filename, const char **cache_dir, bool mmap, bool lockless) {
     ARAL *ar = callocz(1, sizeof(ARAL));
     ar->config.options = (lockless) ? ARAL_LOCKLESS : 0;
     ar->config.requested_element_size = element_size;
@@ -799,6 +799,7 @@ ARAL *aral_create(const char *name, size_t element_size, size_t initial_page_ele
         aral_delete_leftover_files(ar->config.name, directory_name, file);
     }
 
+    errno_clear();
     internal_error(true,
                    "ARAL: '%s' "
                    "element size %zu (requested %zu bytes), "
@@ -1078,7 +1079,7 @@ int aral_stress_test(size_t threads, size_t elements, size_t seconds) {
 }
 
 int aral_unittest(size_t elements) {
-    char *cache_dir = "/tmp/";
+    const char *cache_dir = "/tmp/";
 
     struct aral_unittest_config auc = {
             .single_threaded = true,
diff --git a/src/libnetdata/aral/aral.h b/src/libnetdata/aral/aral.h
index 2e749bc4c..4cd21d17a 100644
--- a/src/libnetdata/aral/aral.h
+++ b/src/libnetdata/aral/aral.h
@@ -28,11 +28,11 @@ struct aral_statistics {
 };
 
 ARAL *aral_create(const char *name, size_t element_size, size_t initial_page_elements, size_t max_page_size,
-                  struct aral_statistics *stats, const char *filename, char **cache_dir, bool mmap, bool lockless);
+                  struct aral_statistics *stats, const char *filename, const char **cache_dir, bool mmap, bool lockless);
 size_t aral_element_size(ARAL *ar);
 size_t aral_overhead(ARAL *ar);
 size_t aral_structures(ARAL *ar);
-struct aral_statistics *aral_statistics(ARAL *ar);
+struct aral_statistics *aral_get_statistics(ARAL *ar);
 size_t aral_structures_from_stats(struct aral_statistics *stats);
 size_t aral_overhead_from_stats(struct aral_statistics *stats);