add "Persistent Device Naming" rules file for disks

[elogind.git] / extras / volume_id / volume_id / util.h

diff --git a/extras/volume_id/volume_id/util.h b/extras/volume_id/volume_id/util.h
index e5cd63e1aa5649ebfe3576306ee184ea60ef3e5e..0c94fea0510f0d019b9b449b349bc54d56fe9332 100644 (file)
--- a/extras/volume_id/volume_id/util.h
+++ b/extras/volume_id/volume_id/util.h
@@ -29,44 +29,53 @@
 #  include <config.h>
 #endif
 
+#include <endian.h>
+
 /* size of superblock buffer, reiserfs block is at 64k */
 #define SB_BUFFER_SIZE                         0x11000
 /* size of seek buffer, FAT cluster is 32k max */
 #define SEEK_BUFFER_SIZE                       0x10000
 
 /* probe volume for all known filesystems in specific order */
-#define bswap16(x) (__u16)((((__u16)(x) & 0x00ffu) << 8) | \
-                          (((__u16)(x) & 0xff00u) >> 8))
+#define bswap16(x) (uint16_t)  ((((uint16_t)(x) & 0x00ffu) << 8) | \
+                               (((uint16_t)(x) & 0xff00u) >> 8))
 
-#define bswap32(x) (__u32)((((__u32)(x) & 0xff000000u) >> 24) | \
-                          (((__u32)(x) & 0x00ff0000u) >>  8) | \
-                          (((__u32)(x) & 0x0000ff00u) <<  8) | \
-                          (((__u32)(x) & 0x000000ffu) << 24))
+#define bswap32(x) (uint32_t)  ((((uint32_t)(x) & 0xff000000u) >> 24) | \
+                               (((uint32_t)(x) & 0x00ff0000u) >>  8) | \
+                               (((uint32_t)(x) & 0x0000ff00u) <<  8) | \
+                               (((uint32_t)(x) & 0x000000ffu) << 24))
 
-#define bswap64(x) (__u64)((((__u64)(x) & 0xff00000000000000ull) >> 56) | \
-                          (((__u64)(x) & 0x00ff000000000000ull) >> 40) | \
-                          (((__u64)(x) & 0x0000ff0000000000ull) >> 24) | \
-                          (((__u64)(x) & 0x000000ff00000000ull) >>  8) | \
-                          (((__u64)(x) & 0x00000000ff000000ull) <<  8) | \
-                          (((__u64)(x) & 0x0000000000ff0000ull) << 24) | \
-                          (((__u64)(x) & 0x000000000000ff00ull) << 40) | \
-                          (((__u64)(x) & 0x00000000000000ffull) << 56))
+#define bswap64(x) (uint64_t)  ((((uint64_t)(x) & 0xff00000000000000ull) >> 56) | \
+                               (((uint64_t)(x) & 0x00ff000000000000ull) >> 40) | \
+                               (((uint64_t)(x) & 0x0000ff0000000000ull) >> 24) | \
+                               (((uint64_t)(x) & 0x000000ff00000000ull) >>  8) | \
+                               (((uint64_t)(x) & 0x00000000ff000000ull) <<  8) | \
+                               (((uint64_t)(x) & 0x0000000000ff0000ull) << 24) | \
+                               (((uint64_t)(x) & 0x000000000000ff00ull) << 40) | \
+                               (((uint64_t)(x) & 0x00000000000000ffull) << 56))
 
+#ifdef __BYTE_ORDER
 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
 #define le16_to_cpu(x) (x)
 #define le32_to_cpu(x) (x)
 #define le64_to_cpu(x) (x)
 #define be16_to_cpu(x) bswap16(x)
 #define be32_to_cpu(x) bswap32(x)
+#define cpu_to_le32(x) (x)
+#define cpu_to_be32(x) bswap32(x)
 #elif (__BYTE_ORDER == __BIG_ENDIAN)
 #define le16_to_cpu(x) bswap16(x)
 #define le32_to_cpu(x) bswap32(x)
 #define le64_to_cpu(x) bswap64(x)
 #define be16_to_cpu(x) (x)
 #define be32_to_cpu(x) (x)
+#define cpu_to_le32(x) bswap32(x)
+#define cpu_to_be32(x) (x)
 #endif
+#endif /* __BYTE_ORDER */
 
 enum uuid_format {
+       UUID_DCE_STRING,
        UUID_DCE,
        UUID_DOS,
        UUID_NTFS,
@@ -78,13 +87,14 @@ enum endian {
        BE = 1
 };
 
+extern void volume_id_set_unicode16(char *str, size_t len, const uint8_t *buf, enum endian endianess, size_t count);
 extern void volume_id_set_usage(struct volume_id *id, enum volume_id_usage usage_id);
 extern void volume_id_set_usage_part(struct volume_id_partition *part, enum volume_id_usage usage_id);
-extern void volume_id_set_label_raw(struct volume_id *id, const __u8 *buf, unsigned int count);
-extern void volume_id_set_label_string(struct volume_id *id, const __u8 *buf, unsigned int count);
-extern void volume_id_set_label_unicode16(struct volume_id *id, const __u8 *buf, enum endian endianess, unsigned int count);
-extern void volume_id_set_uuid(struct volume_id *id, const __u8 *buf, enum uuid_format format);
-extern __u8 *volume_id_get_buffer(struct volume_id *id, __u64 off, unsigned int len);
+extern void volume_id_set_label_raw(struct volume_id *id, const uint8_t *buf, size_t count);
+extern void volume_id_set_label_string(struct volume_id *id, const uint8_t *buf, size_t count);
+extern void volume_id_set_label_unicode16(struct volume_id *id, const uint8_t *buf, enum endian endianess, size_t count);
+extern void volume_id_set_uuid(struct volume_id *id, const uint8_t *buf, enum uuid_format format);
+extern uint8_t *volume_id_get_buffer(struct volume_id *id, uint64_t off, size_t len);
 extern void volume_id_free_buffer(struct volume_id *id);
 
 #endif /* _VOLUME_ID_UTIL_ */