Avoid segfault when comparing tpr

Segfault was possible if number of idef didn't match

Change-Id: I62315e3340eec8acf14c01d14917392bc63e46e0

diff --git a/src/gromacs/tools/compare.c b/src/gromacs/tools/compare.c
index f5a231849e92a69d9c5499204fb348edcf1dcb80..cef2d70117b6d040895c7055adab9fbb0d05fbce 100644 (file)
--- a/src/gromacs/tools/compare.c
+++ b/src/gromacs/tools/compare.c
@@ -350,7 +350,7 @@ static void cmp_idef(FILE *fp, t_idef *id1, t_idef *id2, real ftol, real abstol)
     {
         cmp_int(fp, "idef->ntypes", -1, id1->ntypes, id2->ntypes);
         cmp_int(fp, "idef->atnr",  -1, id1->atnr, id2->atnr);
-        for (i = 0; (i < id1->ntypes); i++)
+        for (i = 0; (i < min(id1->ntypes, id2->ntypes)); i++)
         {
             sprintf(buf1, "idef->functype[%d]", i);
             sprintf(buf2, "idef->iparam[%d]", i);