diff --git a/Makefile b/Makefile
index 80e4f88..64e3c29 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 FLAGS    = -g -Wall -Wextra -DLOG_USE_COLOR `pkg-config --cflags --libs libnotify`
-LD_FLAGS = -lsqlite3
+LD_FLAGS = -lsqlite3 -lpthread
 
 
 $(shell mkdir -p out)
@@ -17,10 +17,10 @@ out/%.o: src/main/%.c
 out/%.o: src/log/%.c
 	$(CC) -c $(FLAGS) $^ -o $@
 
-takl: out/main.o out/db.o out/tasks.o
+takl: out/main.o out/db.o out/tasks.o out/utils.o
 	$(CC) $(FLAGS) $(LD_FLAGS) $^ -o $@
 
-takl-daemon: out/daemon.o out/db.o out/tasks.o out/log.o
+takl-daemon: out/daemon.o out/db.o out/tasks.o out/utils.o out/log.o
 	$(CC) $(FLAGS) $(LD_FLAGS) $^ -o $@
 
 
diff --git a/src/main/include/config.h b/src/main/include/config.h
index a979e96..4739434 100644
--- a/src/main/include/config.h
+++ b/src/main/include/config.h
@@ -6,6 +6,9 @@
 // By default, $HOME/.config/takl.sqlite3 is used. You can change this behaviour here
 //#define DB_FILE "takl.sqlite3"
 
+// By default, /tmp/takl.$USER is used. You can change this behaviour here
+//#define SOCKET_FILE "takl.sock"
+
 #define MAX_TASK_ID 10000 // max is set to MAX_TASK_ID-1
 #define NEW_TASK_ID_MAX_RETRIES 10000 // number of retries before giving up
 
diff --git a/src/main/include/utils.h b/src/main/include/utils.h
new file mode 100644
index 0000000..61187a9
--- /dev/null
+++ b/src/main/include/utils.h
@@ -0,0 +1,14 @@
+#include <pthread.h>
+
+#include "struct.h"
+
+
+/*
+Renvoie le chemin d'accès au socket (/tmp/takl.$USER sauf si défini différemment dans la config)
+*/
+char* get_socket_path();
+
+/*
+Renvoie l'élément arrivant dans le moins de temps d'une liste de tâches.
+*/
+task_t next_task(task_list_t* tasks);
\ No newline at end of file
diff --git a/src/main/utils.c b/src/main/utils.c
new file mode 100644
index 0000000..9fca405
--- /dev/null
+++ b/src/main/utils.c
@@ -0,0 +1,51 @@
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <pthread.h>
+
+#include "include/config.h"
+#include "include/struct.h"
+
+char* get_socket_path() {
+    #ifndef SOCKET_FILE
+        char* base_path = "/tmp/takl";
+
+        char* username = getenv("USER");
+        assert(username != NULL);
+
+        char* socket_path = malloc(sizeof(char)*(strlen(base_path)+strlen(username)+1));
+        sprintf(socket_path, "%s.%s", base_path, username);
+
+        return socket_path;
+    #else
+        char* socket_path = malloc(sizeof(char)*(strlen(SOCKET_FILE)+1));
+        memcpy(socket_path, SOCKET_FILE, sizeof(char)*(strlen(SOCKET_FILE)+1));
+
+        return socket_path;
+    #endif
+}
+
+
+task_t next_task(task_list_t* tasks) {
+    time_t now = time(0);
+
+    task_t next;
+    next.due_to = 0;
+
+    task_list_t* cur = tasks;
+
+    while (cur) {
+        task_t t = cur->task;
+
+        if (!t.done && (difftime(now, t.due_to) <= 0 || t.due_to == 0)) { // La tâche a une échéance, qui n'est pas passée
+            if (next.due_to == 0 || difftime(next.due_to, t.due_to) >= 0) {
+                next = t;
+            }
+        }
+
+        cur = cur->next;
+    }
+
+    return next;
+}
\ No newline at end of file