Start to implement doubly linked list

include/dsc_error.h

@@ -22,7 +22,7 @@
  * @enum DSCError
  * @brief Represents the error codes used in the DSC library.
  *
- * @constant DSC_ERROR_NONE                       No error occurred.
+ * @constant DSC_ERROR_OK                         No error occurred.
  * @constant DSC_ERROR_INVALID_ARGUMENT           An invalid argument was passed to a function.
  * @constant DSC_ERROR_OUT_OF_RANGE               The index is out of bounds.
  * @constant DSC_ERROR_OUT_OF_MEMORY              Failed to allocate memory.
@@ -33,7 +33,7 @@
  * @constant DSC_ERROR_QUEUE_FULL                 The queue is full.
  */
 typedef enum DSCError {
-    DSC_ERROR_NONE,
+    DSC_ERROR_OK,
     DSC_ERROR_INVALID_ARGUMENT,
     DSC_ERROR_OUT_OF_RANGE,
     DSC_ERROR_OUT_OF_MEMORY,
@@ -44,18 +44,4 @@ typedef enum DSCError {
     DSC_ERROR_QUEUE_FULL
 } DSCError;
 
-/**
- * @brief Sets the last error code.
- *
- * @param error The error code to set.
- */
-void dsc_set_error(DSCError error);
-
-/**
- * @brief Gets the last error code.
- *
- * @return The last error code.
- */
-DSCError dsc_get_error(void);
-
 #endif // __DSC_ERROR_H__

include/dsc_list.h

@@ -38,7 +38,7 @@ DSCList dsc_list_init(void);
  *
  * @param list The list to destroy.
  *
- * @return true if the list was destroyed successfully, false otherwise.
+ * @return true if the list was successfully destroyed, false otherwise.
  */
 bool dsc_list_deinit(DSCList list);
 
@@ -48,7 +48,7 @@ bool dsc_list_deinit(DSCList list);
  * @brief Checks if the list is empty.
  *
  * @param list The list to check.
- * @return true if the list is empty or NULL, false otherwise.
+ * @return true if the list is empty, false otherwise.
  */
 bool dsc_list_is_empty(const DSCList list);
 
@@ -63,33 +63,40 @@ int dsc_list_size(const DSCList list);
 /* Element access */
 
 /**
- * @brief Retrieves the value of the first element in the list.
+ * @brief Gets the data in the first element of the list.
  *
  * @param list The list to get the first element from.
- * 
  * @return The value of the front element, or -1 if the list is empty or NULL.
  */
-int dsc_list_front(const DSCList list);
+void *dsc_list_front(const DSCList list);
 
 /**
- * @brief Retrieves the value of the last element in the list.
+ * @brief Gets the data in the last element of the list.
  *
  * @param list The list to get the last element from.
- * @return The value of the last element, or -1 if the list is empty or NULL.
+ * @return The last element, or -1 if the list is empty or NULL.
+ */
+void *dsc_list_back(const DSCList list);
+
+
+/**
+ * @brief Gets the data in the element at the specified position in the list.
+ *
+ * @param list The list to get the element from.
+ * @return The element at the specified position, or NULL if the list is empty or NULL.
  */
-int dsc_list_back(const DSCList list);
+void *dsc_list_at(const DSCList list, int position);
 
 /* Modifiers */
 
 /**
- * @brief Inserts a value at the beginning of the list.
+ * @brief Inserts an element at the beginning of the list.
  *
- * @param list The list to insert the value into.
- * @param value The value to insert.
- * 
+ * @param list The list to insert the data into.
+ * @param value The data to insert.
  * @return true if the value was inserted successfully, false otherwise.
  */
-bool dsc_list_push_front(DSCList list, int value);
+bool dsc_list_push_front(DSCList list, void *data);
 
 /**
  * @brief Removes the first node from the list.
@@ -116,20 +123,20 @@ bool dsc_list_push_back(DSCList list, int value);
  *
  * @param list The list to remove the last node from.
  * 
- * @return The popped value, or -1 on failure.
+ * @return The removed element, or -1 on failure.
  */
-int dsc_list_pop_back(DSCList list);
+void *dsc_list_pop_back(DSCList list);
 
 /**
  * @brief Inserts a value at a specific position in the list.
  *
  * @param list The list to insert the value into.
  * @param value The value to insert.
- * @param position The position at which to insert the value.
+ * @param index The index at which to insert the data.
  * 
  * @return true if the value was inserted successfully, false otherwise.
  */
-bool dsc_list_insert(DSCList list, int value, int position);
+bool dsc_list_insert(DSCList list, void *data, int index);
 
 /**
  * @brief Erases the element at the specified position.
@@ -151,14 +158,4 @@ bool dsc_list_erase(DSCList list, int position);
  */
 bool dsc_list_remove(DSCList list, int value);
 
-/**
- * @brief Removes all occurrences of a value from the list.
- *
- * @param list The list to remove the values from.
- * @param value The value to remove.
- * 
- * @return true if the values were removed successfully, false otherwise.
- */
-bool dsc_list_remove_all(DSCList list, int value);
-
 #endif // __DSC_LIST_H__

src/dsc_error.c → include/dsc_type.h

@@ -15,15 +15,25 @@
  * libdsc. If not, see <https://www.gnu.org/licenses/>.
  */
 
-#include "../include/dsc_error.h"
+#ifndef __DSC_TYPE_H__
+#define __DSC_TYPE_H__
 
-// Global variable to store the last error code
-static DSCError last_error = DSC_ERROR_NONE;
-
-DSCError dsc_get_error(void) {
-    return last_error;
-}
+/**
+ * @enum DSCType
+ * @brief Represents the data types available in the DSC library.
+ *
+ * @constant DSC_TYPE_CHAR
+ * @constant DSC_TYPE_STRING
+ * @constant DSC_TYPE_INT
+ * @constant DSC_TYPE_UINT
+ * @constant DSC_TYPE_UINT64
+ * @constant DSC_TYPE_FLOAT
+ * @constant DSC_TYPE_DOUBLE
+ */
+typedef enum DSCType {
+    DSC_TYPE_CHAR,
+    DSC_TYPE_INT,
+    DSC_TYPE_FLOAT,
+} DSCType;
 
-void dsc_set_error(DSCError error) {
-    last_error = error;
-}
+#endif // __DSC_TYPE_H__