Fix warnings from non-debug mode.

bosilca · bosilca · commit e9d533e62ecb · 2017-06-13T16:57:42.000-04:00
Thanks Ralph for the report.
diff --git a/ompi/mca/coll/base/coll_base_allgather.c b/ompi/mca/coll/base/coll_base_allgather.c
@@ -168,7 +168,7 @@ int ompi_coll_base_allgather_intra_bruck(const void *sbuf, int scount,
     */
     if (0 != rank) {
         char *free_buf = NULL, *shift_buf = NULL;
-        ptrdiff_t span, gap;
+        ptrdiff_t span, gap = 0;
 
         span = opal_datatype_span(&rdtype->super, (int64_t)(size - rank) * rcount, &gap);
 
diff --git a/ompi/mca/coll/base/coll_base_allreduce.c b/ompi/mca/coll/base/coll_base_allreduce.c
@@ -135,7 +135,7 @@ ompi_coll_base_allreduce_intra_recursivedoubling(const void *sbuf, void *rbuf,
     int ret, line, rank, size, adjsize, remote, distance;
     int newrank, newremote, extra_ranks;
     char *tmpsend = NULL, *tmprecv = NULL, *tmpswap = NULL, *inplacebuf_free = NULL, *inplacebuf;
-    ptrdiff_t span, gap;
+    ptrdiff_t span, gap = 0;
 
     size = ompi_comm_size(comm);
     rank = ompi_comm_rank(comm);
diff --git a/ompi/mca/coll/base/coll_base_alltoall.c b/ompi/mca/coll/base/coll_base_alltoall.c
@@ -3,7 +3,7 @@
  * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
  *                         University Research and Technology
  *                         Corporation.  All rights reserved.
- * Copyright (c) 2004-2016 The University of Tennessee and The University
+ * Copyright (c) 2004-2017 The University of Tennessee and The University
  *                         of Tennessee Research Foundation.  All rights
  *                         reserved.
  * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
@@ -42,7 +42,7 @@ mca_coll_base_alltoall_intra_basic_inplace(const void *rbuf, int rcount,
                                            mca_coll_base_module_t *module)
 {
     int i, j, size, rank, err = MPI_SUCCESS, line;
-    ptrdiff_t ext, gap;
+    ptrdiff_t ext, gap = 0;
     ompi_request_t *req;
     char *allocated_buffer = NULL, *tmp_buffer;
     size_t max_size;
@@ -197,7 +197,7 @@ int ompi_coll_base_alltoall_intra_bruck(const void *sbuf, int scount,
     int i, k, line = -1, rank, size, err = 0;
     int sendto, recvfrom, distance, *displs = NULL, *blen = NULL;
     char *tmpbuf = NULL, *tmpbuf_free = NULL;
-    ptrdiff_t sext, rext, span, gap;
+    ptrdiff_t sext, rext, span, gap = 0;
     struct ompi_datatype_t *new_ddt;
 
     if (MPI_IN_PLACE == sbuf) {
diff --git a/ompi/mca/coll/base/coll_base_gather.c b/ompi/mca/coll/base/coll_base_gather.c
@@ -3,7 +3,7 @@
  * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
  *                         University Research and Technology
  *                         Corporation.  All rights reserved.
- * Copyright (c) 2004-2015 The University of Tennessee and The University
+ * Copyright (c) 2004-2017 The University of Tennessee and The University
  *                         of Tennessee Research Foundation.  All rights
  *                         reserved.
  * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
@@ -49,8 +49,8 @@ ompi_coll_base_gather_intra_binomial(const void *sbuf, int scount,
     char *ptmp     = NULL, *tempbuf  = NULL;
     ompi_coll_tree_t* bmtree;
     MPI_Status status;
-    MPI_Aint sextent, sgap, ssize;
-    MPI_Aint rextent, rgap, rsize;
+    MPI_Aint sextent, sgap = 0, ssize;
+    MPI_Aint rextent, rgap = 0, rsize;
     mca_coll_base_module_t *base_module = (mca_coll_base_module_t*) module;
     mca_coll_base_comm_t *data = base_module->base_data;
 
diff --git a/ompi/mca/coll/base/coll_base_reduce.c b/ompi/mca/coll/base/coll_base_reduce.c
@@ -3,7 +3,7 @@
  * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
  *                         University Research and Technology
  *                         Corporation.  All rights reserved.
- * Copyright (c) 2004-2015 The University of Tennessee and The University
+ * Copyright (c) 2004-2017 The University of Tennessee and The University
  *                         of Tennessee Research Foundation.  All rights
  *                         reserved.
  * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
@@ -65,7 +65,7 @@ int ompi_coll_base_reduce_generic( const void* sendbuf, void* recvbuf, int origi
     char *inbuf[2] = {NULL, NULL}, *inbuf_free[2] = {NULL, NULL};
     char *accumbuf = NULL, *accumbuf_free = NULL;
     char *local_op_buffer = NULL, *sendtmpbuf = NULL;
-    ptrdiff_t extent, size, gap, segment_increment;
+    ptrdiff_t extent, size, gap = 0, segment_increment;
     ompi_request_t **sreq = NULL, *reqs[2] = {MPI_REQUEST_NULL, MPI_REQUEST_NULL};
     int num_segments, line, ret, segindex, i, rank;
     int recvcount, prevcount, inbi;
@@ -526,7 +526,7 @@ int ompi_coll_base_reduce_intra_in_order_binary( const void *sendbuf, void *recv
     use_this_sendbuf = (void *)sendbuf;
     use_this_recvbuf = recvbuf;
     if (io_root != root) {
-        ptrdiff_t dsize, gap;
+        ptrdiff_t dsize, gap = 0;
         char *tmpbuf;
 
         dsize = opal_datatype_span(&datatype->super, count, &gap);
@@ -610,7 +610,7 @@ ompi_coll_base_reduce_intra_basic_linear(const void *sbuf, void *rbuf, int count
                                          mca_coll_base_module_t *module)
 {
     int i, rank, err, size;
-    ptrdiff_t extent, dsize, gap;
+    ptrdiff_t extent, dsize, gap = 0;
     char *free_buffer = NULL;
     char *pml_buffer = NULL;
     char *inplace_temp_free = NULL;
diff --git a/ompi/mca/coll/base/coll_base_reduce_scatter.c b/ompi/mca/coll/base/coll_base_reduce_scatter.c
@@ -76,7 +76,7 @@ int ompi_coll_base_reduce_scatter_intra_nonoverlapping(const void *sbuf, void *r
         if (root == rank) {
             /* We must allocate temporary receive buffer on root to ensure that
                rbuf is big enough */
-            ptrdiff_t dsize, gap;
+            ptrdiff_t dsize, gap = 0;
             dsize = opal_datatype_span(&dtype->super, total_count, &gap);
 
             tmprbuf_free = (char*) malloc(dsize);
@@ -138,7 +138,7 @@ ompi_coll_base_reduce_scatter_intra_basic_recursivehalving( const void *sbuf,
 {
     int i, rank, size, count, err = OMPI_SUCCESS;
     int tmp_size, remain = 0, tmp_rank, *disps = NULL;
-    ptrdiff_t extent, buf_size, gap;
+    ptrdiff_t extent, buf_size, gap = 0;
     char *recv_buf = NULL, *recv_buf_free = NULL;
     char *result_buf = NULL, *result_buf_free = NULL;
 
@@ -462,7 +462,7 @@ ompi_coll_base_reduce_scatter_intra_ring( const void *sbuf, void *rbuf, const in
     int inbi, *displs = NULL;
     char *tmpsend = NULL, *tmprecv = NULL, *accumbuf = NULL, *accumbuf_free = NULL;
     char *inbuf_free[2] = {NULL, NULL}, *inbuf[2] = {NULL, NULL};
-    ptrdiff_t extent, max_real_segsize, dsize, gap;
+    ptrdiff_t extent, max_real_segsize, dsize, gap = 0;
     ompi_request_t *reqs[2] = {NULL, NULL};
 
     size = ompi_comm_size(comm);
diff --git a/ompi/mca/coll/base/coll_base_scatter.c b/ompi/mca/coll/base/coll_base_scatter.c
@@ -3,7 +3,7 @@
  * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
  *                         University Research and Technology
  *                         Corporation.  All rights reserved.
- * Copyright (c) 2004-2015 The University of Tennessee and The University
+ * Copyright (c) 2004-2017 The University of Tennessee and The University
  *                         of Tennessee Research Foundation.  All rights
  *                         reserved.
  * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
@@ -49,7 +49,7 @@ ompi_coll_base_scatter_intra_binomial( const void *sbuf, int scount,
     MPI_Status status;
     mca_coll_base_module_t *base_module = (mca_coll_base_module_t*) module;
     mca_coll_base_comm_t *data = base_module->base_data;
-    ptrdiff_t sextent, rextent, ssize, rsize, sgap, rgap;
+    ptrdiff_t sextent, rextent, ssize, rsize, sgap = 0, rgap = 0;
 
 
     size = ompi_comm_size(comm);
