X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c810b409a11c5704ba8bace45aea7c4a197ef367..4ab78e1e1fa8ed22fbeb559d33486669c3b313d9:/src/smpi/smpirun.in

diff --git a/src/smpi/smpirun.in b/src/smpi/smpirun.in
index 9e5689e5c1..65b9c1b11f 100755
--- a/src/smpi/smpirun.in
+++ b/src/smpi/smpirun.in
@@ -241,6 +241,14 @@ while true; do
     esac
 done
 
+# check if we still have at least one parameter beyond options
+if [ $# -eq 0 ]
+then
+    echo "Error: no program to execute!"
+    usage
+    exit
+fi
+
 if [ -n "$WRAPPER" ]; then
     EXEC="$WRAPPER $1"
 else
@@ -376,7 +384,6 @@ APPLICATIONHEAD
 ##---- cache hostnames of hostfile---------------
 if [ -n "${HOSTFILE}" ] && [ -f ${HOSTFILE} ]; then
     hostnames=$(cat ${HOSTFILE} | tr '\n\r' '  ')
-    NUMHOSTS=$(cat ${HOSTFILE} | wc -l)
 fi
 
 if [ "${EXTOPT}" = "smpi_replay" ]; then
@@ -420,7 +427,7 @@ done
 
 for i in ${SEQ}
 do
-    j=$(( $i % ${NUMHOSTS} + 1 ))
+    j=$(( $i % ${hostfile_procs} + 1 ))
     host=$(eval "echo \${$j}")
 
     ##---- optional display of ranks to process mapping