# HG changeset patch
# User Mike Becker <universe@uap-core.de>
# Date 1640709482 -3600
# Node ID af6be1e123aaf44928891f7289b055ceaacf228a
# Parent  9138acaa494b56bac3314febd3b3aa15a4e11e57
add some const qualifiers

diff -r 9138acaa494b -r af6be1e123aa src/buffer.c
--- a/src/buffer.c	Tue Dec 28 17:24:18 2021 +0100
+++ b/src/buffer.c	Tue Dec 28 17:38:02 2021 +0100
@@ -158,7 +158,7 @@
 }
 
 size_t cxBufferWrite(
-        const void *ptr,
+        void const *ptr,
         size_t size,
         size_t nitems,
         CxBuffer buffer
diff -r 9138acaa494b -r af6be1e123aa src/cx/buffer.h
--- a/src/cx/buffer.h	Tue Dec 28 17:24:18 2021 +0100
+++ b/src/cx/buffer.h	Tue Dec 28 17:38:02 2021 +0100
@@ -302,7 +302,7 @@
  * @return the total count of bytes written
  */
 size_t cxBufferWrite(
-        const void *ptr,
+        void const *ptr,
         size_t size,
         size_t nitems,
         CxBuffer buffer
diff -r 9138acaa494b -r af6be1e123aa src/cx/linked_list.h
--- a/src/cx/linked_list.h	Tue Dec 28 17:24:18 2021 +0100
+++ b/src/cx/linked_list.h	Tue Dec 28 17:38:02 2021 +0100
@@ -90,7 +90,7 @@
         CxListComparator comparator,
         size_t item_size,
         size_t num_items,
-        const void *array
+        void const *array
 ) __attribute__((__nonnull__));
 
 /**
@@ -139,12 +139,12 @@
  * @return the index of the element or a past-one index if the element could not be found
  */
 size_t cx_linked_list_find(
-        void *start,
+        void const *start,
         ptrdiff_t loc_advance,
         ptrdiff_t loc_data,
         bool follow_ptr,
         CxListComparator cmp_func,
-        void *elem
+        void const *elem
 ) __attribute__((__nonnull__));
 
 /**
@@ -355,7 +355,7 @@
  * @return the size of the list or zero if \p node is \c NULL
  */
 size_t cx_linked_list_size(
-        void *node,
+        void const *node,
         ptrdiff_t loc_next
 );
 
@@ -416,8 +416,8 @@
  * @return
  */
 int cx_linked_list_compare(
-        void *begin_left,
-        void *begin_right,
+        void const *begin_left,
+        void const *begin_right,
         ptrdiff_t loc_advance,
         ptrdiff_t loc_data,
         bool follow_ptr,
diff -r 9138acaa494b -r af6be1e123aa src/cx/list.h
--- a/src/cx/list.h	Tue Dec 28 17:24:18 2021 +0100
+++ b/src/cx/list.h	Tue Dec 28 17:38:02 2021 +0100
@@ -47,7 +47,10 @@
 /**
  * A comparator function comparing two list elements.
  */
-typedef int(*CxListComparator)(void const *left, void const *right);
+typedef int(*CxListComparator)(
+        void const *left,
+        void const *right
+);
 
 /**
  * Internal type for the list structure - use CxList instead.
@@ -61,29 +64,42 @@
     /**
      * Member function for adding an element.
      */
-    int (*add)(cx_list_s *list, void *elem);
+    int (*add)(
+            cx_list_s *list,
+            void const *elem
+    );
 
     /**
      * Member function for inserting an element.
      */
-    int (*insert)(cx_list_s *list, size_t index, void *elem);
+    int (*insert)(
+            cx_list_s *list,
+            size_t index,
+            void const *elem
+    );
 
     /**
      * Member function for removing an element.
      */
-    int (*remove)(cx_list_s *list, size_t index);
+    int (*remove)(
+            cx_list_s *list,
+            size_t index
+    );
 
     /**
      * Member function for element lookup.
      */
-    void *(*at)(cx_list_s *list, size_t index);
+    void *(*at)(
+            cx_list_s const *list,
+            size_t index
+    );
 
     /**
      * Member function for finding an element.
      */
     size_t (*find)(
-            cx_list_s *list,
-            void *elem
+            cx_list_s const *list,
+            void const *elem
     );
 
     /**
@@ -95,8 +111,8 @@
      * Member function for comparing this list to another list of the same type.
      */
     int (*compare)(
-            cx_list_s *list,
-            cx_list_s *other
+            cx_list_s const *list,
+            cx_list_s const *other
     );
 } cx_list_class;
 
@@ -147,7 +163,10 @@
  * @param elem a pointer to the element to add
  * @return zero on success, non-zero on memory allocation failure
  */
-static inline int cxListAdd(CxList list, void *elem) {
+static inline int cxListAdd(
+        CxList list,
+        void const *elem
+) {
     return list->cl->add(list, elem);
 }
 
@@ -167,7 +186,11 @@
  * @return zero on success, non-zero on memory allocation failure
  * or when the index is out of bounds
  */
-static inline int cxListInsert(CxList list, size_t index, void *elem) {
+static inline int cxListInsert(
+        CxList list,
+        size_t index,
+        void const *elem
+) {
     return list->cl->insert(list, index, elem);
 }
 
@@ -177,7 +200,10 @@
  * @param index the index of the element
  * @return zero on success, non-zero if the index is out of bounds
  */
-static inline int cxListRemove(CxList list, size_t index) {
+static inline int cxListRemove(
+        CxList list,
+        size_t index
+) {
     return list->cl->remove(list, index);
 }
 
@@ -188,7 +214,10 @@
  * @param index the index of the element
  * @return a pointer to the element or \c NULL if the index is out of bounds
  */
-static inline void *cxListAt(CxList list, size_t index) {
+static inline void *cxListAt(
+        CxList list,
+        size_t index
+) {
     return list->cl->at(list, index);
 }
 
@@ -201,7 +230,10 @@
  * @param elem the element to find
  * @return the index of the element or \c (size+1) if the element is not found
  */
-static inline size_t cxListFind(CxList list, void *elem) {
+static inline size_t cxListFind(
+        CxList list,
+        void const *elem
+) {
     return list->cl->find(list, elem);
 }
 
diff -r 9138acaa494b -r af6be1e123aa src/linked_list.c
--- a/src/linked_list.c	Tue Dec 28 17:24:18 2021 +0100
+++ b/src/linked_list.c	Tue Dec 28 17:38:02 2021 +0100
@@ -57,19 +57,19 @@
 }
 
 size_t cx_linked_list_find(
-        void *start,
+        void const *start,
         ptrdiff_t loc_advance,
         ptrdiff_t loc_data,
         bool follow_ptr,
         CxListComparator cmp_func,
-        void *elem
+        void const *elem
 ) {
     assert(start != NULL);
     assert(loc_advance >= 0);
     assert(loc_data >= 0);
     assert(cmp_func);
 
-    void *node = start;
+    void const *node = start;
     size_t index = 0;
     do {
         void *current = ll_data(node);
@@ -268,7 +268,7 @@
 }
 
 size_t cx_linked_list_size(
-        void *node,
+        void const *node,
         ptrdiff_t loc_next
 ) {
     assert(loc_next >= 0);
@@ -397,14 +397,14 @@
 }
 
 int cx_linked_list_compare(
-        void *begin_left,
-        void *begin_right,
+        void const *begin_left,
+        void const *begin_right,
         ptrdiff_t loc_advance,
         ptrdiff_t loc_data,
         bool follow_ptr,
         CxListComparator cmp_func
 ) {
-    void *left = begin_left, *right = begin_right;
+    void const *left = begin_left, *right = begin_right;
 
     while (left != NULL && right != NULL) {
         int result = cmp_func(ll_data(left), ll_data(right));
@@ -469,7 +469,7 @@
 } cx_linked_list;
 
 static cx_linked_list_node *cx_ll_node_at(
-        cx_linked_list *list,
+        cx_linked_list const *list,
         size_t index
 ) {
     if (index >= list->base.size) {
@@ -484,7 +484,7 @@
 static int cx_ll_insert(
         cx_list_s *list,
         size_t index,
-        void *elem
+        void const *elem
 ) {
     // out-of bounds check
     if (index > list->size) return 1;
@@ -520,7 +520,7 @@
 
 static int cx_ll_add(
         cx_list_s *list,
-        void *elem
+        void const *elem
 ) {
     return cx_ll_insert(list, list->size, elem);
 }
@@ -528,14 +528,14 @@
 static int cx_pll_insert(
         cx_list_s *list,
         size_t index,
-        void *elem
+        void const *elem
 ) {
     return cx_ll_insert(list, index, &elem);
 }
 
 static int cx_pll_add(
         cx_list_s *list,
-        void *elem
+        void const *elem
 ) {
     return cx_ll_insert(list, list->size, &elem);
 }
@@ -564,7 +564,7 @@
 }
 
 static void *cx_ll_at(
-        cx_list_s *list,
+        cx_list_s const *list,
         size_t index
 ) {
     cx_linked_list *ll = (cx_linked_list *) list;
@@ -573,7 +573,7 @@
 }
 
 static void *cx_pll_at(
-        cx_list_s *list,
+        cx_list_s const *list,
         size_t index
 ) {
     cx_linked_list *ll = (cx_linked_list *) list;
@@ -582,8 +582,8 @@
 }
 
 static size_t cx_ll_find(
-        cx_list_s *list,
-        void *elem
+        cx_list_s const *list,
+        void const *elem
 ) {
     return cx_linked_list_find(((cx_linked_list *) list)->begin,
                                CX_LL_LOC_NEXT, CX_LL_LOC_DATA,
@@ -591,8 +591,8 @@
 }
 
 static size_t cx_pll_find(
-        cx_list_s *list,
-        void *elem
+        cx_list_s const *list,
+        void const *elem
 ) {
     return cx_linked_list_find(((cx_linked_list *) list)->begin,
                                CX_LL_LOC_NEXT, CX_LL_LOC_DATA,
@@ -614,8 +614,8 @@
 }
 
 static int cx_ll_compare(
-        cx_list_s *list,
-        cx_list_s *other
+        cx_list_s const *list,
+        cx_list_s const *other
 ) {
     cx_linked_list *left = (cx_linked_list *) list;
     cx_linked_list *right = (cx_linked_list *) other;
@@ -625,8 +625,8 @@
 }
 
 static int cx_pll_compare(
-        cx_list_s *list,
-        cx_list_s *other
+        cx_list_s const *list,
+        cx_list_s const *other
 ) {
     cx_linked_list *left = (cx_linked_list *) list;
     cx_linked_list *right = (cx_linked_list *) other;
@@ -703,7 +703,7 @@
         CxListComparator comparator,
         size_t item_size,
         size_t num_items,
-        const void *array
+        void const *array
 ) {
     CxList list = cxLinkedListCreate(allocator, comparator, item_size);
     if (list == NULL) return NULL;
diff -r 9138acaa494b -r af6be1e123aa test/test_list.c
--- a/test/test_list.c	Tue Dec 28 17:24:18 2021 +0100
+++ b/test/test_list.c	Tue Dec 28 17:38:02 2021 +0100
@@ -52,7 +52,7 @@
 
 struct node *create_test_data(
         size_t n,
-        const int data[]
+        int const data[]
 ) {
     if (n == 0) return NULL;
     struct node *begin = calloc(1, sizeof(struct node));