4 files changed, 25 insertions, 11 deletions
diff --git a/src/knowledge/knowledge_learn_markov_sequence.c b/src/knowledge/knowledge_learn_markov_sequence.c
index 74e29a7..ddb828d 100644
--- a/src/knowledge/knowledge_learn_markov_sequence.c
+++ b/src/knowledge/knowledge_learn_markov_sequence.c
@@ -2,6 +2,8 @@
 #include <string.h>
 #include <stdint.h> /* defines SIZE_MAX */
 
+#include "../core/index.h"
+
 #include "../sequence/sequence.h"
 
 #include "../error/error.h"
@@ -45,7 +47,14 @@ static int reallocate_sequences_list
 {
    JH_index ** new_sequences;
 
-   if ((SIZE_MAX / sizeof(JH_index *)) < (size_t) k->sequences_length)
+   if
+   (
+      JH_index_cannot_allocate_more
+      (
+         sizeof(JH_index *),
+         k->sequences_length
+      )
+   )
    {
       JH_S_ERROR
       (
@@ -88,7 +97,14 @@ static int reallocate_sequences_sorted_list
 {
    JH_index * new_sequences_sorted;
 
-   if ((SIZE_MAX / sizeof(JH_index)) < (size_t) k->sequences_length)
+   if
+   (
+      JH_index_cannot_allocate_more
+      (
+         sizeof(JH_index),
+         k->sequences_length
+      )
+   )
    {
       JH_S_ERROR
       (
diff --git a/src/knowledge/knowledge_learn_sequence.c b/src/knowledge/knowledge_learn_sequence.c
index 9502f2e..d52f4d0 100644
--- a/src/knowledge/knowledge_learn_sequence.c
+++ b/src/knowledge/knowledge_learn_sequence.c
@@ -45,7 +45,6 @@ static int add_swt_sequence
    const JH_index sequence [const restrict static 1],
    const size_t index,
    const size_t sequence_length,
-   const JH_index markov_order,
    JH_index buffer [const restrict static 1],
    const JH_index buffer_length,
    FILE io [const restrict static 1]
@@ -132,7 +131,6 @@ static int add_tws_sequence
    const JH_index sequence [const restrict static 1],
    const size_t index,
    const size_t sequence_length,
-   const JH_index markov_order,
    JH_index buffer [const restrict static 1],
    const JH_index buffer_length,
    FILE io [const restrict static 1]
@@ -227,7 +225,6 @@ int JH_knowledge_learn_sequence
             sequence,
             i,
             sequence_length,
-            markov_order,
             buffer,
             buffer_length,
             io
@@ -246,7 +243,6 @@ int JH_knowledge_learn_sequence
             sequence,
             i,
             sequence_length,
-            markov_order,
             buffer,
             buffer_length,
             io
diff --git a/src/knowledge/knowledge_learn_word.c b/src/knowledge/knowledge_learn_word.c
index 9320f10..c84c9b6 100644
--- a/src/knowledge/knowledge_learn_word.c
+++ b/src/knowledge/knowledge_learn_word.c
@@ -2,6 +2,8 @@
 #include <string.h>
 #include <stdint.h> /* defines SIZE_MAX */
 
+#include "../core/index.h"
+
 #include "../error/error.h"
 
 #include "knowledge.h"
@@ -103,8 +105,11 @@ static int reallocate_words_list
 
    if
    (
-      (SIZE_MAX / sizeof(struct JH_knowledge_word))
-      < (size_t) k->words_length
+      JH_index_cannot_allocate_more
+      (
+         sizeof(struct JH_knowledge_word),
+         k->words_length
+      )
    )
    {
       JH_S_ERROR
diff --git a/src/knowledge/knowledge_swt_tws_modifications.c b/src/knowledge/knowledge_swt_tws_modifications.c
index cc8a938..dfb4705 100644
--- a/src/knowledge/knowledge_swt_tws_modifications.c
+++ b/src/knowledge/knowledge_swt_tws_modifications.c
@@ -10,7 +10,6 @@ static int add_target
 (
    struct JH_knowledge_sequence_data sd [const restrict static 1],
    const JH_index target_id,
-   const JH_index s_index,
    const JH_index t_index,
    FILE io [const restrict static 1]
 )
@@ -208,7 +207,6 @@ int JH_knowledge_strengthen_swt
          (
             &(k->words[word_id].swt.sequences_ref[s_index]),
             target_id,
-            s_index,
             t_index,
             io
          ) < 0
@@ -308,7 +306,6 @@ int JH_knowledge_strengthen_tws
          (
             &(k->words[word_id].tws.sequences_ref[s_index]),
             target_id,
-            s_index,
             t_index,
             io
          ) < 0