1 files changed, 61 insertions, 0 deletions
diff --git a/src/test/test-malloc.h b/src/test/test-malloc.h
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+++ b/src/test/test-malloc.h
@@ -0,0 +1,61 @@
+/*======================================================================
+FILE: test-malloc.h
+
+SPDX-FileCopyrightText: 2018-2022, Markus Minichmayr <markus@tapkey.com>
+
+ SPDX-License-Identifier: LGPL-2.1-only OR MPL-2.0
+
+======================================================================*/
+
+#ifndef TESTMALLOC_H
+#define TESTMALLOC_H
+
+#include <stdint.h>
+
+#include "libical_ical_export.h"
+
+struct testmalloc_statistics {
+    int malloc_cnt;
+    int realloc_cnt;
+    int free_cnt;
+
+    int malloc_failed_cnt;
+    int realloc_failed_cnt;
+    int free_failed_cnt;
+
+    size_t mem_allocated_max;
+    size_t mem_allocated_current;
+    int blocks_allocated;
+};
+
+/** Allocates the specified amount of memory and returns a pointer to the allocated memory.
+  * Memory allocated using this function must be freed using test_free().
+  * The number of allocations that can be made using this function can be limited via
+  * testmalloc_set_max_successful_allocs().
+  */
+LIBICAL_ICAL_EXPORT void *test_malloc(size_t size);
+
+/** Resizes the specified buffer.
+ * Can only be used with memory that has previously been allocated using test_malloc().
+ */
+LIBICAL_ICAL_EXPORT void *test_realloc(void *p, size_t size);
+
+/** Frees a block of memory that has previously been allocated via the test_malloc() function. Specifying memory that
+ * has not been allocated via test_malloc() causes an assertion.
+ */
+LIBICAL_ICAL_EXPORT void test_free(void *p);
+
+/** Resets the memory management statistics and sets the number of successful
+  * allocations limit to infinite.
+  */
+LIBICAL_ICAL_EXPORT void testmalloc_reset();
+
+/** Sets the maximum number of malloc or realloc attemts that will succeed. If
+  * the number is negative, no limit will be applied.
+  */
+LIBICAL_ICAL_EXPORT void testmalloc_set_max_successful_allocs(int n);
+
+/** Gets current memory allocation statistics. */
+LIBICAL_ICAL_EXPORT void testmalloc_get_statistics(struct testmalloc_statistics *statistics);
+
+#endif /* !TESTMALLOC_H */