Remove useless allocations.

[simgrid.git] / teshsuite / smpi / coll-alltoallv / coll-alltoallv.c

diff --git a/teshsuite/smpi/coll-alltoallv/coll-alltoallv.c b/teshsuite/smpi/coll-alltoallv/coll-alltoallv.c
index fced26e..233b978 100644 (file)
--- a/teshsuite/smpi/coll-alltoallv/coll-alltoallv.c
+++ b/teshsuite/smpi/coll-alltoallv/coll-alltoallv.c
@@ -44,7 +44,7 @@
    <2> rbuf: (#9):   [3][4][103][104][203][204][-1][-1][-1]
 */
 
-static void print_buffer_int(void *buf, int len, char *msg, int rank)
+static void print_buffer_int(void *buf, int len, const char *msg, int rank)
 {
   printf("[%d] %s (#%d): ", rank, msg, len);
   for (int tmp = 0; tmp < len; tmp++) {
@@ -52,7 +52,6 @@ static void print_buffer_int(void *buf, int len, char *msg, int rank)
     printf("[%d]", v[tmp]);
   }
   printf("\n");
-  free(msg);
 }
 
 int main(int argc, char **argv)
@@ -68,6 +67,10 @@ int main(int argc, char **argv)
 
   /* Create the buffer */
   MPI_Comm_size(comm, &size);
+  if(size<=0){
+    printf("error : comm size <= 0, run with mpirun\n");
+    return -1;
+  }
   MPI_Comm_rank(comm, &rank);
   int* sbuf = (int *) xbt_malloc(size * size * sizeof(int));
   int* rbuf = (int *) xbt_malloc(size * size * sizeof(int));
@@ -90,15 +93,15 @@ int main(int argc, char **argv)
     sdispls[i] = (i * (i + 1)) / 2;
   }
 
-  print_buffer_int( sbuf, size*size, strdup("sbuf:"),rank);
-  print_buffer_int( sendcounts, size, strdup("scount:"),rank);
-  print_buffer_int( recvcounts, size, strdup("rcount:"),rank);
-  print_buffer_int( sdispls, size, strdup("sdisp:"),rank);
-  print_buffer_int( rdispls, size, strdup("rdisp:"),rank);
+  print_buffer_int(sbuf, size * size, "sbuf:", rank);
+  print_buffer_int(sendcounts, size, "scount:", rank);
+  print_buffer_int(recvcounts, size, "rcount:", rank);
+  print_buffer_int(sdispls, size, "sdisp:", rank);
+  print_buffer_int(rdispls, size, "rdisp:", rank);
 
   MPI_Alltoallv(sbuf, sendcounts, sdispls, MPI_INT, rbuf, recvcounts, rdispls, MPI_INT, comm);
 
-  print_buffer_int( rbuf, size*size, strdup("rbuf:"),rank);
+  print_buffer_int(rbuf, size * size, "rbuf:", rank);
 
   MPI_Barrier(MPI_COMM_WORLD);
   if (0 == rank) {