strset: allow const arguments to strset_iterate().

[ccan] / ccan / strset / test / run-iterate-const.c

diff --git a/ccan/strset/test/run-iterate-const.c b/ccan/strset/test/run-iterate-const.c
new file mode 100644 (file)
index 0000000..42a1d73
--- /dev/null
+++ b/ccan/strset/test/run-iterate-const.c
@@ -0,0 +1,30 @@
+#include <ccan/strset/strset.h>
+#include <ccan/strset/strset.c>
+#include <ccan/tap/tap.h>
+
+static bool found = false;
+
+/* Make sure const args work. */
+static bool find_string(const char *str, const char *cmp)
+{
+       if (strcmp(str, cmp) == 0)
+               found = true;
+       return false;
+}
+
+int main(void)
+{
+       struct strset set;
+
+       plan_tests(3);
+
+       strset_init(&set);
+       ok1(strset_set(&set, "hello"));
+       ok1(strset_set(&set, "world"));
+       strset_iterate(&set, find_string, (const char *)"hello");
+       ok1(found);
+       strset_destroy(&set);
+
+       /* This exits depending on whether all tests passed */
+       return exit_status();
+}