at least strings and vectors of ints work, not much else though... contributions welcome

Makefile

@@ -12,6 +12,13 @@ default: demo
 demo: demo.c libvector.so libfile.so liblist.so libutil.so
 	sudo $(CC) $(CFLAGS) -o $@ $< $(PATCH) $(INCLUDEDIR) $(LIBSPATH) $(LIBS)
 
+trydemo:
+	@make > /dev/null
+	@make install > /dev/null
+	@make > /dev/null
+	./demo
+	@make cleanrepo > /dev/null
+
 libvector.so: src/vector.c
 	sudo $(CC) -c -fpic $< -o /usr/lib/odweta/vector.o
 	sudo $(CC) -shared -o /usr/lib/odweta/$@ /usr/lib/odweta/vector.o

demo.c

@@ -1,21 +1,32 @@
+#include <stdio.h>
+#include <stdlib.h>
 #include <odweta/vector.h>
 #include <odweta/string.h>
 
 int main() {
-    string_t *s = string_from("test string");
-    string_t *s2 = string_from("another test");
+    vector_t *v = vector_new(INT);
 
-    vector_t *v = vector_new(STRING);
-
-    vector_push(v, s);
-    vector_push(v, s2);
+    vector_push(v, &(int){33});
+    vector_push(v, &(int){35});
+    vector_push(v, &(int){34});
 
     vector_print(v);
 
-    string_cleanup(s);
-    string_cleanup(s2);
-
     vector_cleanup(v);
 
+    string_t *s = string_new();
+
+    string_println(s);
+
+    string_push_chars(s, "this is a test");
+
+    string_println(s);
+
+    compare_e cmp = string_compare(s, string_from("this is a test"));
+
+    printf("cmp -> %s\n", (cmp == EQUAL) ? "equal" : "not equal");
+
+    string_cleanup(s);
+
     return 0;
 }

include/list.h

@@ -30,6 +30,10 @@ void list_cleanup(list_t *self);                                               /
 
 void *list_pop(list_t *self);                                                  // popping the last value of the list and returning it
 
+void list_deep_copy(list_t *src, list_t *dst);
+
+vector_t *list_get_at_vector(list_t *self, int index);
+
 void list_insert_at(list_t *self, int index, type_e type, void *element);      // inserts an element at a given index
 
 void list_remove_at(list_t *self, int index);

include/string.h

@@ -15,6 +15,8 @@ string_t *string_from(char *chars);                            // create a new s
 bool_t string_push_chars(string_t *self, char *chars);           // append a char_sequence to a string
 bool_t string_push(string_t *self, string_t *other);             // append a string to a string
 
+void string_deep_copy(string_t *src, string_t *dst);
+
 compare_e string_compare(string_t *left, string_t* right);     // compare two strings
 
 void string_print(string_t *self);                             // print a string

include/vector.h

@@ -35,6 +35,8 @@ void *vector_get_at(vector_t *self, int index);					// get an element at the giv
 
 void vector_remove_at(vector_t *self, int index);
 
+void vector_deep_copy(vector_t *src, vector_t *dst);
+
 
 
 void _vector_print_recursive(vector_t *self, int depth);

src/list.c

@@ -119,6 +119,28 @@ void list_show(list_t *self) {
     printf("]\n");
 }
 
+void list_deep_copy(list_t *src, list_t *dst) {
+    if (src == NULL) {
+        dst = NULL;
+        return;
+    }
+
+    list_t *dest = list_new();
+    if (dest == NULL) {
+        // Handle memory allocation failure
+        dst = NULL;
+        return;
+    }
+
+    for (int i = 0; i < src->size; i++) {
+        // Perform deep copy of each element in the source list
+        vector_t *element_copy = list_get_at_vector(src, i);
+        list_push(dest, element_copy->type, element_copy);
+    }
+
+    dst = dest;
+}
+
 void list_cleanup(list_t *self) {
     vector_cleanup((vector_t *)self->data);
     free(self);
@@ -193,3 +215,15 @@ void *list_get_at(list_t *self, int index) {
         return vector_get_at((vector_t *)vector_get_at(self->data, index), 0);
     }
 }
+
+vector_t *list_get_at_vector(list_t *self, int index) {
+    if (self->size == 0) {
+        //fprintf(stderr, "list is empty\n");
+        return NULL;
+    } else if (index >= self->size || index < 0) {
+        //fprintf(stderr, "index out of range\n");
+        return NULL;
+    } else {
+        return (vector_t *)vector_get_at(self->data, index);
+    }
+}

src/string.c

@@ -3,12 +3,13 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 
 size_t chars_length(char *chars) {
     int i = 0;
     while (*(chars + (i++)) != '\0');
 
-    return i;
+    return i-1;
 }
 
 
@@ -16,52 +17,91 @@ size_t chars_length(char *chars) {
 
 string_t *string_new() {
     string_t *s = (string_t *)malloc(sizeof(string_t));
-
-    s->content = (char *)malloc(sizeof(char));
-    if (s->content == NULL) {
+    if (s == NULL) {
         return NULL;
     }
 
-    s->content = &(char){'\0'};
+    s->content = (char *)malloc(sizeof(char));
+    if (s->content == NULL) {
+        free(s); // Free the previously allocated memory for string_t structure
+        return NULL;
+    }
+
+    *(s->content) = '\0';  // Initialize to empty string
     s->length = 0;
 
     return s;
 }
 
 string_t *string_from(char *chars) {
+    // Allocate memory for the string_t structure
     string_t *s = (string_t *)malloc(sizeof(string_t));
-    s->content = (char *)malloc(sizeof(chars));
+    if (s == NULL) {
+        return NULL;
+    }
+
+    // Calculate the length of the input string
+    int len = chars_length(chars);
+
+    // Allocate memory for the content
+    s->content = (char *)malloc((len + 1) * sizeof(char));  // Add 1 for null terminator
     if (s->content == NULL) {
+        free(s); // Free previously allocated memory for string_t structure
         return NULL;
     }
 
-    int i = 0;
-    while (*(chars + i) != '\0') {
-        char *tmp = realloc(s->content, sizeof(s->content) + sizeof(char));
-        if (tmp == NULL) {
-            return NULL;
-        }
-        s->content = tmp;
-        *(s->content + i) = *(chars + i);
-        i++;
+    // Copy the characters
+    for (int i = 0; i < len; i++) {
+        s->content[i] = chars[i];
     }
-    char *tmp = realloc(s->content, sizeof(s->content) + sizeof(char));
-    if (tmp == NULL) {
-        return NULL;
-    }
-    s->content = tmp;
-    *(s->content + (++i)) = '\0';
 
-    s->length = (int)chars_length(s->content)-1; // -1 because \0
+    // Null-terminate the string
+    s->content[len] = '\0';
+
+    // Update the length
+    s->length = len;
 
     return s;
 }
 
+void string_deep_copy(string_t *src, string_t* dst) {
+    if (src == NULL) {
+        dst = NULL;
+        return;
+    }
+
+    // Allocate memory for the new string
+    string_t *dest = string_new();
+    if (dest == NULL) {
+        // Handle memory allocation failure
+        dst = NULL;
+        return;
+    }
+
+    // Allocate memory for the content of the new string
+    dest->content = (char *)malloc((src->length + 1) * sizeof(char));
+    if (dest->content == NULL) {
+        // Handle memory allocation failure
+        string_cleanup(dest);
+        dst = NULL;
+        return;
+    }
+
+    // Copy the content of the source string
+    strcpy(dest->content, src->content);
+
+    // Update the length of the new string
+    dest->length = src->length;
+
+    dst = dest;
+}
+
 bool_t string_push_chars(string_t *self, char *chars) {
     int i = self->length;
     int j = 0;
     while (*(chars + j) != '\0') {
-        char *tmp = realloc(self->content, sizeof(self->content) + sizeof(char));
+        // Calculate the new size of the string content, including the additional character
+        char *tmp = realloc(self->content, (i + 1) * sizeof(char));
         if (tmp == NULL) {
             return FALSE;
         }
@@ -71,7 +111,7 @@ bool_t string_push_chars(string_t *self, char *chars) {
         j++;
     }
 
-    self->length = (int)chars_length(self->content)-1;
+    self->length = (int)chars_length(self->content) - 1;
 
     return TRUE;
 }
@@ -118,6 +158,8 @@ bool_t string_is_empty(string_t *self) {
 }
 
 void string_cleanup(string_t *self) {
-    free(self->content);
-    free(self);
+    if (self != NULL) {
+        free(self->content); // Free content
+        free(self); // Free string_t structure
+    }
 }

src/vector.c

@@ -196,6 +196,48 @@ vector_t *vector_new(type_e type) {
     return self;
 }
 
+void vector_deep_copy(vector_t *src, vector_t *dst) {
+    if (src->type != dst->type) {
+        // Handle type mismatch
+        dst = NULL;
+        return;
+    }
+
+    for (int i = 0; i < src->size; i++) {
+        void *element_copy = NULL;
+
+        switch (src->type) {
+            case INT:
+            case FLOAT:
+            case CHAR:
+            case BOOL:
+                element_copy = malloc(sizeof(union { int x; float y; char z; bool_t w; }));  // Adjust size as needed
+                memcpy(element_copy, (src->data) + i, src->element_size);
+                break;
+            case STRING:
+                string_deep_copy((string_t *)(src->data + i * src->element_size), (string_t *)element_copy);
+                break;
+            case VECTOR:
+                vector_deep_copy((vector_t *)(src->data + i * src->element_size), (vector_t *)element_copy);
+                break;
+            case LIST:
+                list_deep_copy((list_t *)(src->data + i * src->element_size), (list_t *)element_copy);
+                break;
+        }
+        
+        if (element_copy == NULL) {
+            vector_cleanup(dst);
+            return;
+        }
+
+        // Push the deep-copied element into the destination vector
+        vector_push(dst, element_copy);
+
+        // Free the memory allocated for the element copy
+        free(element_copy);
+    }
+}
+
 void vector_push(vector_t *self, void* element) {
     void *tmp = realloc(self->data, (self->size + 1) * self->element_size);
     self->data = tmp;
@@ -217,16 +259,16 @@ void vector_push(vector_t *self, void* element) {
         break;
     case VECTOR:
         // Copy the vector data from the element to the vector
-        memcpy((vector_t *)(self->data) + self->size, (vector_t *)element, sizeof(vector_t));
+        vector_deep_copy((vector_t *)element, ((vector_t *)(self->data) + self->size));
         break;
     case LIST:
-        memcpy((vector_t*)(self->data) + self->size, (list_t*)element, sizeof(list_t));
+        list_deep_copy((list_t*)element, ((list_t *)(self->data) + self->size));
         break;
     case BOOL:
         *((bool_t *)(self->data) + self->size) = *((bool_t *)element);
         break;
     case STRING:
-        memcpy((vector_t*)(self->data) + self->size, (string_t*)element, sizeof(string_t));
+        string_deep_copy((string_t *)element, ((string_t *)(self->data) + self->size));
         break;
     default:
         return;
@@ -250,7 +292,7 @@ void *vector_pop(vector_t *self) {
         if (self->capacity == 0) 
             self->capacity = 1;
 
-        return (self->data) + self->size-1;
+        return (self->data) + self->size;
     } else {
         // cannot pop when there is no value in the vector
         return NULL;