ADD: begin linked list; TODO: struct cluster, struct point(vector,cluster)

src/linkedlist.c

+//
+// by Boris Stefanovic on 31/05/22
+//
+
+#include "linkedlist.h"
+
+
+ll_vint_node_t* ll_vint_create_node(const vector_int_t* vec) {
+	ll_vint_node_t* node = malloc(sizeof(ll_vint_node_t));
+	if (NULL == node) return NULL;
+	node->data = vec;
+	node->next = NULL;
+}
+
+
+ll_vint_t* ll_vint_create() {
+	ll_vint_t* ll = NULL;
+	ll = malloc(sizeof(ll_vint_t));
+	if (NULL == ll) return NULL;
+	ll->head = NULL;
+	ll->tail = NULL;
+	return ll;
+}
+
+
+void ll_vint_append(ll_vint_t* list, const vector_int_t* vector) {
+	if (NULL == vector) return;
+	ll_vint_node_t* node = ll_vint_create_node(vector);
+	if (NULL == list->head) {
+		list->head = node;
+		list->tail = list->head;
+		list->head->next = NULL;
+	} else {
+		// TODO
+	}
+}

src/linkedlist.h

+//
+// by Boris Stefanovic on 31/05/22
+//
+
+#ifndef PROG_KMEANS_LINKEDLIST_H
+#define PROG_KMEANS_LINKEDLIST_H
+
+#include "vector.h"
+
+
+typedef struct ll_vector_int_node {
+	const vector_int_t* data;
+	struct ll_vector_int_node* next;
+} ll_vint_node_t;
+
+typedef struct ll_vector_int {
+	ll_vint_node_t* head;
+	ll_vint_node_t* tail;
+	size_t size;
+} ll_vint_t;
+
+ll_vint_node_t* ll_vint_create_node(const vector_int_t* vec);
+
+ll_vint_t* ll_vint_create();
+
+void ll_vint_append(ll_vint_t* list, const vector_int_t* vector);
+
+
+#endif //PROG_KMEANS_LINKEDLIST_H

src/main.c

@@ -6,6 +6,7 @@
 #include <string.h>
 #include <unistd.h>
 #include "common.h"
+#include "linkedlist.h"
 #include "vector.h"
 
 void help(const char* callname) {
@@ -50,6 +51,20 @@ vector_int_t* line_to_vector_int(char* line, const size_t dim) {
 }
 
 
+ll_vint_t* get_vector_list(FILE* ifile, const size_t dim) {
+	ll_vint_t* list = ll_vint_create();
+	char* line = NULL;
+	size_t len = 0;
+	while (getline(&line, &len, ifile) != -1) {
+		if (len != 0) {
+			vector_int_t* vector = line_to_vector_int(line, dim);
+			//TODO
+			free(line);
+		}
+	}
+}
+
+
 int main(int argc, char** argv) {
 	if (argc <= 1) help(argv[0]);
 	char* ipath = NULL;
@@ -77,9 +92,11 @@ int main(int argc, char** argv) {
 	char* line = NULL;
 	size_t len = 0;
 	while (getline(&line, &len, ifile) != -1) {
-		vector_int_t* vector = line_to_vector_int(line, dim);
-		//TODO
-		free(line);
+		if (len != 0) {
+			vector_int_t* vector = line_to_vector_int(line, dim);
+			//TODO
+			free(line);
+		}
 	}
 	// WRITE
 	FILE* ofile = opath != NULL ? fopen(opath, "w") : stdout;