fix a 'Conditional jump or move depends on uninitialised value' (on strlen)

diff --git a/src/simgrid/sg_config.cpp b/src/simgrid/sg_config.cpp
index bf3dc3b..b6fcd8e 100644 (file)
--- a/src/simgrid/sg_config.cpp
+++ b/src/simgrid/sg_config.cpp
@@ -368,6 +368,7 @@ static void describe_model(char *result,int resultsize,
                            const char *name,
                            const char *description)
 {
                            const char *name,
                            const char *description)
 {

+  result[0] = '\0';

   char *p = result;
   p += snprintf(result,resultsize-1, "%s. Possible values: %s", description,
             model_description[0].name ? model_description[0].name : "n/a");
   char *p = result;
   p += snprintf(result,resultsize-1, "%s. Possible values: %s", description,
             model_description[0].name ? model_description[0].name : "n/a");