#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
-#ifdef ENABLE_CUSTOM_MEMORY_ALLOCATOR
+/* Maximum number of array elements to allocate on the stack (used in various
+ * places when large temporary buffers are needed). */
+#define STACK_MAX 32768
+
extern void *
wimlib_malloc(size_t) _malloc_attribute;
extern char *
wimlib_strdup(const char *str) _malloc_attribute;
-# define MALLOC wimlib_malloc
-# define FREE wimlib_free_memory
-# define REALLOC wimlib_realloc
-# define CALLOC wimlib_calloc
-# define STRDUP wimlib_strdup
-# define WCSDUP wimlib_wcsdup
-#else /* ENABLE_CUSTOM_MEMORY_ALLOCATOR */
-# include <stdlib.h>
-# include <string.h>
-# define MALLOC malloc
-# define FREE free
-# define REALLOC realloc
-# define CALLOC calloc
-# define STRDUP strdup
-# define WCSDUP wcsdup
-#endif /* !ENABLE_CUSTOM_MEMORY_ALLOCATOR */
+#define MALLOC wimlib_malloc
+#define FREE wimlib_free_memory
+#define REALLOC wimlib_realloc
+#define CALLOC wimlib_calloc
+#define STRDUP wimlib_strdup
+#define WCSDUP wimlib_wcsdup
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)
{
return n * 0x9e37fffffffc0001ULL;
}
+static inline int
+cmp_u64(u64 n1, u64 n2)
+{
+ if (n1 < n2)
+ return -1;
+ else if (n1 > n2)
+ return 1;
+ else
+ return 0;
+}
+
/* is_any_path_separator() - characters treated as path separators in WIM path
* specifications and capture configuration files (the former will be translated
* to WIM_PATH_SEPARATOR; the latter will be translated to
# define is_any_path_separator(c) ((c) == '/' || (c) == '\\')
#endif
-#define WIM_PATH_SEPARATOR OS_PREFERRED_PATH_SEPARATOR
-
+#define WIM_PATH_SEPARATOR WIMLIB_WIM_PATH_SEPARATOR
#endif /* _WIMLIB_UTIL_H */