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Diffstat (limited to '3rdparty/zstd/tests/fuzz/fuzz_helpers.c')
-rw-r--r--3rdparty/zstd/tests/fuzz/fuzz_helpers.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/3rdparty/zstd/tests/fuzz/fuzz_helpers.c b/3rdparty/zstd/tests/fuzz/fuzz_helpers.c
new file mode 100644
index 00000000000..f47ff2eb4ff
--- /dev/null
+++ b/3rdparty/zstd/tests/fuzz/fuzz_helpers.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ * All rights reserved.
+ *
+ * This source code is licensed under both the BSD-style license (found in the
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
+ * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
+ */
+#include "fuzz_helpers.h"
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+void* FUZZ_malloc(size_t size)
+{
+ if (size > 0) {
+ void* const mem = malloc(size);
+ FUZZ_ASSERT(mem);
+ return mem;
+ }
+ return NULL;
+}
+
+void* FUZZ_malloc_rand(size_t size, FUZZ_dataProducer_t *producer)
+{
+ if (size > 0) {
+ void* const mem = malloc(size);
+ FUZZ_ASSERT(mem);
+ return mem;
+ } else {
+ uintptr_t ptr = 0;
+ /* Add +- 1M 50% of the time */
+ if (FUZZ_dataProducer_uint32Range(producer, 0, 1))
+ FUZZ_dataProducer_int32Range(producer, -1000000, 1000000);
+ return (void*)ptr;
+ }
+
+}
+
+int FUZZ_memcmp(void const* lhs, void const* rhs, size_t size)
+{
+ if (size == 0) {
+ return 0;
+ }
+ return memcmp(lhs, rhs, size);
+}