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move storage helpers to libbb.h

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2018-09-28 15:13:04 +02:00
parent aae428f0bf
commit abfa3ec059
5 changed files with 17 additions and 63 deletions
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17
util-linux/mkfs_ext2.c
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@@ -78,23 +78,6 @@
#define EXT2_FLAGS_SIGNED_HASH 0x0001
#define EXT2_FLAGS_UNSIGNED_HASH 0x0002
// storage helpers
char BUG_wrong_field_size(void);
#define STORE_LE(field, value) \
do { \
if (sizeof(field) == 4) \
field = SWAP_LE32((uint32_t)(value)); \
else if (sizeof(field) == 2) \
field = SWAP_LE16((uint16_t)(value)); \
else if (sizeof(field) == 1) \
field = (uint8_t)(value); \
else \
BUG_wrong_field_size(); \
} while (0)
#define FETCH_LE32(field) \
(sizeof(field) == 4 ? SWAP_LE32(field) : BUG_wrong_field_size())
// All fields are little-endian
struct ext2_dir {
uint32_t inode1;