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-rw-r--r--src/XExtInt.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/XExtInt.c b/src/XExtInt.c
index d74a8d4..82f5bf3 100644
--- a/src/XExtInt.c
+++ b/src/XExtInt.c
@@ -1481,8 +1481,8 @@ copy_classes(XIDeviceInfo* to, xXIAnyInfo* from, int *nclasses)
ptr_wire = (char*)from;
ptr_lib = to->classes;
- to->classes = next_block(&ptr_lib, *nclasses * sizeof(XIAnyClassInfo*));
- memset(to->classes, 0, sizeof(*nclasses * sizeof(XIAnyClassInfo*)));
+ to->classes = next_block(&ptr_lib, (*nclasses) * sizeof(XIAnyClassInfo*));
+ memset(to->classes, 0, (*nclasses) * sizeof(XIAnyClassInfo*));
len = 0; /* count wire length */
for (i = 0; i < *nclasses; i++)