New test: run tests under valgrind.

(Also, remove bogus test dependency for hdr include check)

tools/ccanlint/tests/idempotent.c

@@ -138,4 +138,4 @@ struct ccanlint idempotent = {
 	.describe = describe_idempotent,
 };
 
-REGISTER_TEST(idempotent, &trailing_whitespace, NULL);
+REGISTER_TEST(idempotent, NULL);

tools/ccanlint/tests/run_tests_valgrind.c

+#include <tools/ccanlint/ccanlint.h>
+#include <tools/tools.h>
+#include <ccan/talloc/talloc.h>
+#include <ccan/str/str.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <limits.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <err.h>
+#include <string.h>
+#include <ctype.h>
+
+/* Note: we already test safe_mode in run_tests.c */
+static const char *can_run_vg(struct manifest *m)
+{
+	char *output = run_command(m, "valgrind -q true");
+
+	if (output)
+		return talloc_asprintf(m, "No valgrind support: %s", output);
+	return NULL;
+}
+
+struct run_tests_result {
+	struct list_node list;
+	struct ccan_file *file;
+	const char *output;
+};
+
+static void *do_run_tests_vg(struct manifest *m)
+{
+	struct list_head *list = talloc(m, struct list_head);
+	struct run_tests_result *res;
+	struct ccan_file *i;
+	char *cmdout;
+
+	list_head_init(list);
+
+	list_for_each(&m->run_tests, i, list) {
+		run_tests.total_score++;
+		/* FIXME: timeout here */
+		cmdout = run_command(m, "valgrind -q %s", i->compiled);
+		if (cmdout) {
+			res = talloc(list, struct run_tests_result);
+			res->file = i;
+			res->output = talloc_steal(res, cmdout);
+			list_add_tail(list, &res->list);
+		}
+	}
+
+	list_for_each(&m->api_tests, i, list) {
+		run_tests.total_score++;
+		/* FIXME: timeout here */
+		cmdout = run_command(m, "valgrind -q %s", i->compiled);
+		if (cmdout) {
+			res = talloc(list, struct run_tests_result);
+			res->file = i;
+			res->output = talloc_steal(res, cmdout);
+			list_add_tail(list, &res->list);
+		}
+	}
+
+	if (list_empty(list)) {
+		talloc_free(list);
+		list = NULL;
+	}
+
+	return list;
+}
+
+static unsigned int score_run_tests_vg(struct manifest *m, void *check_result)
+{
+	struct list_head *list = check_result;
+	struct run_tests_result *i;
+	unsigned int score = run_tests.total_score;
+
+	list_for_each(list, i, list)
+		score--;
+	return score;
+}
+
+static const char *describe_run_tests_vg(struct manifest *m,
+					 void *check_result)
+{
+	struct list_head *list = check_result;
+	char *descrip = talloc_strdup(check_result, "Running tests under valgrind failed:\n");
+	struct run_tests_result *i;
+
+	list_for_each(list, i, list)
+		descrip = talloc_asprintf_append(descrip, "Running %s:\n%s",
+						 i->file->name, i->output);
+	return descrip;
+}
+
+static void run_under_debugger_vg(struct manifest *m, void *check_result)
+{
+	struct list_head *list = check_result;
+	struct run_tests_result *first;
+
+	if (!ask("Should I run the first failing test under the debugger?"))
+		return;
+
+	first = list_top(list, struct run_tests_result, list);
+	run_command(m, "valgrind --db-attach=yes %s", first->file->compiled);
+}
+
+struct ccanlint run_tests_vg = {
+	.name = "run and api tests under valgrind",
+	.score = score_run_tests_vg,
+	.check = do_run_tests_vg,
+	.describe = describe_run_tests_vg,
+	.can_run = can_run_vg,
+	.handle = run_under_debugger_vg
+};
+
+REGISTER_TEST(run_tests_vg, &run_tests, NULL);