#ifdef __GNUC__
# define WIMLIBAPI __attribute__((visibility("default")))
-# define NOINLINE __attribute__((noinline))
# define ALWAYS_INLINE inline __attribute__((always_inline))
+# define PACKED __attribute__((packed))
# define FORMAT(type, format_str, args_start) \
__attribute__((format(type, format_str, args_start)))
# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
# define COLD __attribute__((cold))
-# define HOT __attribute__((hot))
# else
# define COLD
-# define HOT
# endif
#else
# define WIMLIBAPI
-# define NOINLINE
# define ALWAYS_INLINE inline
# define FORMAT(type, format_str, args_start)
# define COLD
-# define HOT
+# define PACKED
#endif /* __GNUC__ */
+
+#if 0
+#ifdef WITH_FUSE
+#define atomic_inc(ptr) \
+ __sync_fetch_and_add(ptr, 1)
+
+#define atomic_dec(ptr) \
+ __sync_sub_and_fetch(ptr, 1)
+#endif
+#endif
+
#ifndef _NTFS_TYPES_H
typedef uint8_t u8;
typedef uint16_t u16;
#define swap(a, b) ({typeof(a) _a = a; (a) = (b); (b) = _a;})
#endif
+/**
+ * container_of - cast a member of a structure out to the containing structure
+ * @ptr: the pointer to the member.
+ * @type: the type of the container struct this is embedded in.
+ * @member: the name of the member within the struct.
+ *
+ */
+#ifndef container_of
+#define container_of(ptr, type, member) ({ \
+ const typeof( ((type *)0)->member ) *__mptr = (ptr); \
+ (type *)( (char *)__mptr - offsetof(type,member) );})
+#endif
+
+#define DIV_ROUND_UP(numerator, denominator) \
+ (((numerator) + (denominator) - 1) / (denominator))
+
+#define MODULO_NONZERO(numerator, denominator) \
+ (((numerator) % (denominator)) ? ((numerator) % (denominator)) : (denominator))
+
#define ARRAY_LEN(array) (sizeof(array) / sizeof((array)[0]))
#define ZERO_ARRAY(array) memset(array, 0, sizeof(array))
#ifdef ENABLE_ERROR_MESSAGES
extern bool __wimlib_print_errors;
-extern void wimlib_error(const char *format, ...)
+extern void wimlib_error(const char *format, ...)
FORMAT(printf, 1, 2) COLD;
-extern void wimlib_error_with_errno(const char *format, ...)
+extern void wimlib_error_with_errno(const char *format, ...)
FORMAT(printf, 1, 2) COLD;
extern void wimlib_warning(const char *format, ...)
FORMAT(printf, 1, 2) COLD;
#endif /* ENABLE_CUSTOM_MEMORY_ALLOCATOR */
-extern char *utf16_to_utf8(const char *utf16_str, size_t utf16_len,
- size_t *utf8_len_ret);
+/* encoding.c */
+extern int utf16_to_utf8(const char *utf16_str, size_t utf16_nbytes,
+ char **utf8_str_ret, size_t *utf8_nbytes_ret);
-extern char *utf8_to_utf16(const char *utf8_str, size_t utf8_len,
- size_t *utf16_len_ret);
+extern int utf8_to_utf16(const char *utf8_str, size_t utf8_nbytes,
+ char **utf16_str_ret, size_t *utf16_nbytes_ret);
+/* util.c */
extern void randomize_byte_array(u8 *p, size_t n);
extern void randomize_char_array_with_alnum(char p[], size_t n);
-extern const char *path_next_part(const char *path,
+extern const char *path_next_part(const char *path,
size_t *first_part_len_ret);
extern const char *path_basename(const char *path);
+extern const char *path_stream_name(const char *path);
+
extern void to_parent_name(char buf[], size_t len);
extern void print_string(const void *string, size_t len);
extern int get_num_path_components(const char *path);
-extern ssize_t full_write(int fd, const void *buf, size_t n);
-
static inline void print_byte_field(const u8 field[], size_t len)
{
while (len--)
printf("%02hhx", *field++);
}
+static inline u32 bsr32(u32 n)
+{
+#if defined(__x86__) || defined(__x86_64__)
+ asm("bsrl %0, %0;"
+ : "=r"(n)
+ : "0" (n));
+ return n;
+#else
+ u32 pow = 0;
+ while ((n >>= 1) != 0)
+ pow++;
+ return pow;
+#endif
+}
#endif /* _WIMLIB_UTIL_H */