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-rw-r--r--src/string.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/string.c b/src/string.c
index 09f6a700..9c9efc3e 100644
--- a/src/string.c
+++ b/src/string.c
@@ -325,7 +325,7 @@ compare_buffer(const char* buf, const int expt, const SerdSoftFloat upper)
double
serd_strtod(const char* const str, size_t* const end)
{
-#define SET_END(index) if (end) { *end = (size_t)(index); }
+#define SET_END(index) do { if (end) { *end = (size_t)(index); } } while (0)
static const int n_exact_pow10 = sizeof(POW10) / sizeof(POW10[0]);
static const int max_exact_int_digits = 15; // Digits that fit exactly