From 6ad51a4acde9e6a03c48c3a483cd47eb802f2ed0 Mon Sep 17 00:00:00 2001
From: Robert Gustafsson <robg@student.chalmers.se>
Date: Thu, 5 Oct 2017 18:58:12 +0200
Subject: Change: user responsible for memory allocation

 * Add function to request only one sensor value.
---
 broccoli/src/midbropasad.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/broccoli/src/midbropasad.c b/broccoli/src/midbropasad.c
index d3c6829..04da7a0 100644
--- a/broccoli/src/midbropasad.c
+++ b/broccoli/src/midbropasad.c
@@ -8,20 +8,28 @@
 
 Fifo_q * q;
 
-    int *
-request_sensor_data(int number)
+    void
+request_n_values(int number, int arrayOfValues[])
 {
     int i;
-    int * arrayOfValues;
     Sensor_t * sensor;
-    arrayOfValues = (int *) malloc(number*sizeof(int));
     for(i=0; i<number; ++i){
         sensor = pop_from_queue(q);
         arrayOfValues[i] = sensor->value;
         free(sensor);
     }
     printf("Release %d sensor data values\n", number);
-    return arrayOfValues;
+}
+    int
+request_value()
+{
+    int value;
+    Sensor_t * sensor;
+    sensor = pop_from_queue(q);
+    value = sensor->value;
+    free(sensor);
+    printf("Release 1 sensor data value\n");
+    return value;
 }
 
     void
@@ -44,7 +52,7 @@ main(int argc, char **argv)
     sleep(10);
     while(true){
         print_queue(q);
-        free(request_sensor_data(5));
+        request_value();
     }
     free(q);
     return 0;
-- 
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