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-rw-r--r--test/vfd_swmr_common.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/test/vfd_swmr_common.h b/test/vfd_swmr_common.h
index cd36cc3..c6916e6 100644
--- a/test/vfd_swmr_common.h
+++ b/test/vfd_swmr_common.h
@@ -97,6 +97,8 @@ H5TEST_DLL void await_signal(hid_t);
H5TEST_DLL hid_t vfd_swmr_create_fapl(bool, bool, bool);
H5TEST_DLL void dbgf(int, const char *, ...) H5_ATTR_FORMAT(printf, 2, 3);
+H5TEST_DLL void esnprintf(char *, size_t, const char *, ...)
+ H5_ATTR_FORMAT(printf, 3, 4);
H5TEST_DLL int fetch_env_ulong(const char *, unsigned long, unsigned long *);