1 files changed, 51 insertions, 0 deletions
diff --git a/fuzzers/fuzzer_utils.c b/fuzzers/fuzzer_utils.c
new file mode 100644
index 0000000..cde5065
--- /dev/null
+++ b/fuzzers/fuzzer_utils.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "git2.h"
+#include "futils.h"
+
+#include "fuzzer_utils.h"
+
+void fuzzer_git_abort(const char *op)
+{
+	const git_error *err = git_error_last();
+	fprintf(stderr, "unexpected libgit error: %s: %s\n",
+		op, err ? err->message : "<none>");
+	abort();
+}
+
+git_repository *fuzzer_repo_init(void)
+{
+	git_repository *repo;
+
+#if defined(_WIN32)
+	char tmpdir[MAX_PATH], path[MAX_PATH];
+
+	if (GetTempPath((DWORD)sizeof(tmpdir), tmpdir) == 0)
+		abort();
+
+	if (GetTempFileName(tmpdir, "lg2", 1, path) == 0)
+		abort();
+
+	if (git_futils_mkdir(path, 0700, 0) < 0)
+		abort();
+#else
+	char path[] = "/tmp/git2.XXXXXX";
+
+	if (mkdtemp(path) != path)
+		abort();
+#endif
+
+	if (git_repository_init(&repo, path, 1) < 0)
+		fuzzer_git_abort("git_repository_init");
+
+	return repo;
+}