Fix build when check-devel is not installed

tests/common.c is now required by all tests (check-based and not),
so we need to properly ifdef it

1 files changed, 109 insertions, 0 deletions

diff --git a/src/tests/common_check.c b/src/tests/common_check.c
new file mode 100644
index 00000000..d845923f
--- /dev/null
+++ b/src/tests/common_check.c
@@ -0,0 +1,109 @@
+/*
+   SSSD
+
+   Common utilities for check-based tests using talloc.
+
+   Authors:
+        Martin Nagy <mnagy@redhat.com>
+
+   Copyright (C) Red Hat, Inc 2009
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+#include <check.h>
+#include "tests/common.h"
+#include "util/util.h"
+#include "util/dlinklist.h"
+
+TALLOC_CTX *global_talloc_context = NULL;
+
+
+struct size_snapshot {
+    struct size_snapshot *prev;
+    struct size_snapshot *next;
+
+    TALLOC_CTX *ctx;
+    size_t bytes_allocated;
+};
+
+static struct size_snapshot *snapshot_stack;
+
+void
+_check_leaks(TALLOC_CTX *ctx, size_t bytes, const char *location)
+{
+    size_t bytes_allocated;
+
+    bytes_allocated = talloc_total_size(ctx);
+    if (bytes_allocated != bytes) {
+        fprintf(stderr, "Leak report for %s:\n", location);
+        talloc_report_full(ctx, stderr);
+        fail("%s: memory leaks detected, %d bytes still allocated",
+             location, bytes_allocated - bytes);
+    }
+}
+
+void
+check_leaks_push(TALLOC_CTX *ctx)
+{
+    struct size_snapshot *snapshot;
+
+    snapshot = talloc(NULL, struct size_snapshot);
+    snapshot->ctx = ctx;
+    snapshot->bytes_allocated = talloc_total_size(ctx);
+    DLIST_ADD(snapshot_stack, snapshot);
+}
+
+void
+_check_leaks_pop(TALLOC_CTX *ctx, const char *location)
+{
+    struct size_snapshot *snapshot;
+    TALLOC_CTX *old_ctx;
+    size_t bytes_allocated;
+
+    if (snapshot_stack == NULL) {
+        fail("%s: trying to pop an empty stack");
+    }
+
+    snapshot = snapshot_stack;
+    DLIST_REMOVE(snapshot_stack, snapshot);
+
+    old_ctx = snapshot->ctx;
+    bytes_allocated = snapshot->bytes_allocated;
+
+    fail_if(old_ctx != ctx, "Bad push/pop order");
+
+    talloc_zfree(snapshot);
+    _check_leaks(old_ctx, bytes_allocated, location);
+}
+
+void
+leak_check_setup(void)
+{
+    talloc_enable_null_tracking();
+    global_talloc_context = talloc_new(NULL);
+    fail_unless(global_talloc_context != NULL, "talloc_new failed");
+    check_leaks_push(global_talloc_context);
+}
+
+void
+leak_check_teardown(void)
+{
+    check_leaks_pop(global_talloc_context);
+    if (snapshot_stack != NULL) {
+        fail("Exiting with a non-empty stack");
+    }
+    check_leaks(global_talloc_context, 0);
+}