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Diffstat (limited to 'src/testbed/testbed_api_topology.c')
-rw-r--r--src/testbed/testbed_api_topology.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/testbed/testbed_api_topology.c b/src/testbed/testbed_api_topology.c
index 7bc36d1b47..7d0ccd269a 100644
--- a/src/testbed/testbed_api_topology.c
+++ b/src/testbed/testbed_api_topology.c
@@ -1051,7 +1051,7 @@ gen_topo_from_file (struct TopologyContext *tc,
state = PEER_INDEX;
while (offset < fs)
{
- if (0 != isspace (data[offset]))
+ if (0 != isspace ((unsigned char) data[offset]))
{
offset++;
continue;