#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
+/* Maximum number of array elements to allocate on the stack (used in various
+ * places when large temporary buffers are needed). */
+#define STACK_MAX 32768
+
#ifdef ENABLE_CUSTOM_MEMORY_ALLOCATOR
extern void *
wimlib_malloc(size_t) _malloc_attribute;
extern void *
memdup(const void *mem, size_t size) _malloc_attribute;
+#ifndef HAVE_MEMPCPY
+extern void *
+mempcpy(void *dst, const void *src, size_t n);
+#endif
+
/* util.c */
extern void
randomize_byte_array(u8 *p, size_t n);
#endif
}
+static inline bool
+is_power_of_2(unsigned long n)
+{
+ return (n != 0 && (n & (n - 1)) == 0);
+
+}
+
static inline u64
hash_u64(u64 n)
{