1 files changed, 48 insertions, 0 deletions
diff --git a/system/include/compat/malloc.h b/system/include/compat/malloc.h
new file mode 100644
index 00000000..58d93613
--- /dev/null
+++ b/system/include/compat/malloc.h
@@ -0,0 +1,48 @@
+#ifndef _COMPAT_MALLOC_H_
+#define _COMPAT_MALLOC_H_
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* This version of struct mallinfo must match the one in
+   system/lib/dlmallo.c.  */
+
+struct mallinfo {
+  int arena;    /* total space allocated from system */
+  int ordblks;  /* number of non-inuse chunks */
+  int smblks;   /* unused -- always zero */
+  int hblks;    /* number of mmapped regions */
+  int hblkhd;   /* total space in mmapped regions */
+  int usmblks;  /* unused -- always zero */
+  int fsmblks;  /* unused -- always zero */
+  int uordblks; /* total allocated space */
+  int fordblks; /* total non-inuse space */
+  int keepcost; /* top-most, releasable (via malloc_trim) space */
+};
+
+/* The routines.  */
+
+extern struct mallinfo mallinfo(void);
+
+extern void malloc_stats(void);
+
+extern int mallopt(int, int);
+
+extern size_t malloc_usable_size(void*);
+
+/* mallopt options */
+
+#define M_TRIM_THRESHOLD    -1
+#define M_GRANULARITY       -2
+#define M_MMAP_THRESHOLD    -3
+
+#ifdef __cplusplus
+}
+#endif
+
+#include_next <malloc.h>
+
+#endif /* _COMPAT_MALLOC_H_ */