1 files changed, 57 insertions, 0 deletions
diff --git a/src/lib.h b/src/lib.h
new file mode 100644
index 0000000..6672cc5
--- /dev/null
+++ b/src/lib.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef LIBURING_LIB_H
+#define LIBURING_LIB_H
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define __INTERNAL__LIBURING_LIB_H
+#if defined(__x86_64__) || defined(__i386__)
+	#include "arch/x86/lib.h"
+#else
+	/*
+	 * We don't have nolibc support for this arch. Must use libc!
+	 */
+	#ifdef CONFIG_NOLIBC
+		#error "This arch doesn't support building liburing without libc"
+	#endif
+	/* libc wrappers. */
+	#include "arch/generic/lib.h"
+#endif
+#undef __INTERNAL__LIBURING_LIB_H
+
+
+#ifndef offsetof
+	#define offsetof(TYPE, FIELD) ((size_t) &((TYPE *)0)->FIELD)
+#endif
+
+#ifndef container_of
+	#define container_of(PTR, TYPE, FIELD) ({			\
+		__typeof__(((TYPE *)0)->FIELD) *__FIELD_PTR = (PTR);	\
+		(TYPE *)((char *) __FIELD_PTR - offsetof(TYPE, FIELD));	\
+	})
+#endif
+
+void *__uring_malloc(size_t len);
+void __uring_free(void *p);
+
+static inline void *uring_malloc(size_t len)
+{
+#ifdef CONFIG_NOLIBC
+	return __uring_malloc(len);
+#else
+	return malloc(len);
+#endif
+}
+
+static inline void uring_free(void *ptr)
+{
+#ifdef CONFIG_NOLIBC
+	__uring_free(ptr);
+#else
+	free(ptr);
+#endif
+}
+
+#endif /* #ifndef LIBURING_LIB_H */