Implement dynstr_free, and use it in one location.

valgrind now reports one fewer leak.

2 files changed, 10 insertions, 0 deletions

diff --git a/dynstr.c b/dynstr.c
index 8110665..b575226 100644
--- a/dynstr.c
+++ b/dynstr.c
@@ -118,6 +118,15 @@ Dynstr *dynstr_new_from_constant_memory(const void *mem, size_t size)
     return new(mem, size, false);
 }
 
+void dynstr_free(Dynstr *dynstr)
+{
+    if (dynstr) {
+        if (dynstr->dynamic)
+            free((void *) dynstr->mem);
+        free(dynstr);
+    }
+}
+
 size_t dynstr_len(Dynstr *dynstr)
 {
     return dynstr->size;
diff --git a/unittests.c b/unittests.c
index d9be8b8..4fc121d 100644
--- a/unittests.c
+++ b/unittests.c
@@ -162,6 +162,7 @@ static int test_empty_string_is_empty(void)
     dynstr = dynstr_new_empty();
     FAIL_UNLESS_EQUAL(dynstr_len(dynstr), 0);
     FAIL_UNLESS_EQUAL(dynstr_is_empty(dynstr), true);
+    dynstr_free(dynstr);
     return true;
 }