Finding memory leaks (MobilityDB#530)

meos/examples/tfloat_assemble.c

@@ -84,6 +84,8 @@ int main(void)
 
   seq = (Temporal *) tsequence_make((const TInstant **) instants, MAX_INSTANTS,
     true, true, STEP, true);
+  for (i = 0; i < MAX_INSTANTS; i++)
+    free(instants[i]);
 
   /* Print information about the sequence */
   printf("Number of generated instants: %d, Time-weighted average: %f\n",

meos/examples/tfloat_expand.c

@@ -34,12 +34,12 @@
  * outputs the number of instants and the time-weighted average.
  *
  * This program and the program tfloat_expand.c in the same directory can be
- * used to compare the two alternative strategies for 
- * (1) assembling the sequence at the end from the input instants 
- * (2) expanding the sequence at each input instant 
+ * used to compare the two alternative strategies for
+ * (1) assembling the sequence at the end from the input instants
+ * (2) expanding the sequence at each input instant
  *
  * The instants are generated so they are not redundant, that is, all input
- * instants will appear in the final sequence. 
+ * instants will appear in the final sequence.
  *
  * The program can be build as follows
  * @code
@@ -64,7 +64,7 @@ int main(void)
   clock_t tm;
   tm = clock();
 
-  /* Initialize MEOS */ 
+  /* Initialize MEOS */
   meos_initialize(NULL, NULL);
 
   /* Expandable sequence */
@@ -98,7 +98,7 @@ int main(void)
     temporal_num_instants(seq), tnumber_twavg(seq));
 
   /* Free memory */
-  free(seq);
+  free(oneday); free(seq);
 
   /* Finalize MEOS */
   meos_finalize();

meos/examples/tfloat_tile.c

@@ -97,12 +97,18 @@ int main(void)
         temp_str);
     printf("%s", output_buffer);
     if (timesplit) free(time_str);
-    free(temp_str);
+    free(result[i]); free(temp_str);
   }
 
   /* Print information about the result */
   printf("\nNumber of fragments: %d\n", count);
 
+  /* Free memory */
+  free(tfloat); free(interv); free(result);
+  if (valuesplit)
+    free(value_buckets);
+  free(time_buckets);
+
   /* Finalize MEOS */
   meos_finalize();
 

meos/examples/tpoint_assemble.c

@@ -101,8 +101,11 @@ int main(void)
     sprintf(inst_buffer, "Point(%d %d)@%s", value, value, time_str);
     instants[i] = (TInstant *) tgeompoint_in(inst_buffer);
 #endif
+    free(time_str);
   }
 
+  printf("\nAssembing the instants ...\n");
+
   seq = (Temporal *) tsequence_make((const TInstant **) instants, MAX_INSTANTS,
     true, true, LINEAR, true);
 

meos/examples/tpoint_expand.c

@@ -114,15 +114,15 @@ int main(void)
         EXPAND ? 2 : 1, true, true, LINEAR, false);
     else
       seq = temporal_append_tinstant((Temporal *) seq, inst, 0.0, NULL, EXPAND);
-    free(inst);
+    free(inst); free(time_str);
   }
 
   /* Print information about the sequence */
   printf("\nNumber of instants: %d, Distance : %lf\n",
     temporal_num_instants(seq), tpoint_length(seq));
 
   /* Free memory */
-  free(seq);
+  free(seq); free(oneday);
 
   /* Calculate the elapsed time */
   time = clock() - time;

meos/examples/ttext_assemble.c

@@ -49,7 +49,7 @@
 
 #define MAX_INSTANTS 1000000
 /* Number of instants in a batch for printing a marker */
-#define NO_INSTANTS_BATCH 1000
+#define NO_INSTANTS_BATCH 10000
 /* Maximum length in characters of the input instant */
 #define MAX_LENGTH_INST 64
 /* Maximum length in characters of the text values in the instants */
@@ -76,10 +76,18 @@ int main(void)
   /* Seed the random number generator with the current time in seconds. */
   srandom (time (0));
 
+  printf("Generating the instants (one '*' marker every %d instants)\n",
+    NO_INSTANTS_BATCH);
+
   TimestampTz t = pg_timestamptz_in("1999-12-31", -1);
   for (i = 0; i < MAX_INSTANTS; i++)
   {
     /* Generate the instant */
+    if (i % NO_INSTANTS_BATCH == 0)
+    {
+      printf("*");
+      fflush(stdout);
+    }
     /* Use a random generator to set the length of the text value */
     int len = random() % MAX_LENGTH_TEXT + 1;
     char *value = malloc(sizeof(char) * (len + 2));
@@ -97,13 +105,15 @@ int main(void)
   /* Print information about the sequence */
   // Uncomment the next line to see the resulting sequence value
   // printf("%s\n", ttext_out(seq));
-  char *str = text2cstring(ttext_end_value(seq));
-  printf("Number of instants: %d, Last value : %s\n",
+  text *txt = ttext_end_value(seq);
+  char *str = text2cstring(txt);
+  printf("\nNumber of instants: %d, Last value : %s\n",
     temporal_num_instants(seq), str);
 
   /* Free memory */
-  free(seq);
-  free(str);
+  free(seq); free(txt); free(str);
+  for (int i = 0; i < MAX_INSTANTS; i++)
+    free(instants[i]);
 
   /* Calculate the elapsed time */
   tm = clock() - tm;

meos/examples/ttext_expand.c

@@ -84,6 +84,9 @@
  * - False: sequences are compacted when compacting the sequence set
  */
 #define COMPACT_COMP_SEQS false
+/* Determine whether debug messages showing the expansion of sequences and
+ * and sequence sets are shown */
+#define DEBUG false
 
 /* Main program */
 int main(void)
@@ -140,7 +143,7 @@ int main(void)
         seq = (TSequence *) tsequence_append_tinstant(seq, inst, 0.0, NULL,
           true);
         /* Print a marker when the sequence has been expanded */
-        if (EXPAND_SEQ && maxcount != seq->maxcount)
+        if (DEBUG && EXPAND_SEQ && maxcount != seq->maxcount)
         {
           printf(" Seq -> %d ", seq->maxcount);
           fflush(stdout);
@@ -190,13 +193,13 @@ int main(void)
 
   /* Print information about the last sequence */
   seq = temporal_end_sequence((Temporal *) ss1);
-  char *str = text2cstring(ttext_end_value((Temporal *) seq));
+  text *txt = ttext_end_value((Temporal *) seq);
+  char *str = text2cstring(txt);
   printf("Number of instants in the last sequence: %d, Last value : %s\n",
     seq->count, str);
 
   /* Free memory */
-  free(ss1);
-  free(str);
+  free(ss1); free(onehour); free(txt); free(str);
 
   /* Calculate the elapsed time */
   tm = clock() - tm;