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-rw-r--r--tools/libxl/libxl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 0879f2331f..ca24ca37cd 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -202,7 +202,7 @@ int libxl_string_list_length(const libxl_string_list *psl)
{
if (!psl) return 0;
int i = 0;
- while (*psl++) i++;
+ while ((*psl)[i]) i++;
return i;
}