X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=extras%2Fvolume_id%2Fvolume_id%2Futil.h;h=afaa0b7d8d8578301006efdcf9529b58de8a94f0;hb=2321ba6fd89635f321ec08fa3803aa7e20aa76bf;hp=e5cd63e1aa5649ebfe3576306ee184ea60ef3e5e;hpb=c033fd9f01b3cd5771875069c26d3af06969a300;p=elogind.git diff --git a/extras/volume_id/volume_id/util.h b/extras/volume_id/volume_id/util.h index e5cd63e1a..afaa0b7d8 100644 --- a/extras/volume_id/volume_id/util.h +++ b/extras/volume_id/volume_id/util.h @@ -3,19 +3,9 @@ * * Copyright (C) 2005 Kay Sievers * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation version 2 of the License. */ #ifndef _VOLUME_ID_UTIL_ @@ -29,44 +19,53 @@ # include #endif +#include + /* 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 +77,14 @@ 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_ */