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-rw-r--r--src/utils.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/utils.c b/src/utils.c
index 1c2fc326..e76297ff 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -43,6 +43,10 @@ static char namebuf[255];
* \param[in] vs Array of value_string tuples
* \param[in] val Value to be converted
* \returns pointer to human-readable string
+ *
+ * If val is found in vs, the array's string entry is returned. Otherwise, an
+ * "unknown" string containing the actual value is composed in a static buffer
+ * that is reused across invocations.
*/
const char *get_value_string(const struct value_string *vs, uint32_t val)
{