dividing by 0 is not always the best possible choice, even if the user shoulnt give...

[simgrid.git] / src / smpi / smpirun.in

diff --git a/src/smpi/smpirun.in b/src/smpi/smpirun.in
index 2cd37fc..9dfb521 100755 (executable)
--- a/src/smpi/smpirun.in
+++ b/src/smpi/smpirun.in
@@ -8,6 +8,8 @@
 
 @CMAKE_SMPI_COMMAND@
 
+SIMGRID_VERSION="@SIMGRID_VERSION_STRING@"
+
 DEFAULT_LOOPBACK_BANDWIDTH="498000000"
 DEFAULT_LOOPBACK_LATENCY="0.000004"
 DEFAULT_NETWORK_BANDWIDTH="$((26 * 1024 * 1024))"
@@ -163,7 +165,12 @@ while true; do
 
         "-help" | "--help" | "-h")
             usage
-            exit
+            exit 0
+            ;;
+
+        "-version" | "--version" | "-v")
+            printf '%b\n' "$SIMGRID_VERSION"
+            exit 0
             ;;
 
         "--cfg="*|"--log="*)
@@ -343,7 +350,11 @@ fi
 for i in ${SEQ}
 do
     if [ -n "${HOSTFILE}" ]; then
-       j=$(( $i % ${NUMHOSTS} + 1 ))
+        if [ ${NUMHOSTS} = 0 ] ; then
+          j= 0
+       else
+          j=$(( $i % ${NUMHOSTS} + 1 ))
+       fi
     fi
     ##---- optional display of ranks to process mapping
     if [ -n "${MAPOPT}" ]; then