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fixed linker error #24

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fixed linker error #24

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3babdd4
fixed linker error
May 22, 2015
881cbd2
now builds both on gcc 4.9 and gcc 5.1
May 22, 2015
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15 changes: 1 addition & 14 deletions bcache.c
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@
* x^7 + x^4 + x + 1
*/

static const uint64_t crc_table[256] = {
const uint64_t crc_table[256] = {
0x0000000000000000ULL, 0x42F0E1EBA9EA3693ULL, 0x85E1C3D753D46D26ULL,
0xC711223CFA3E5BB5ULL, 0x493366450E42ECDFULL, 0x0BC387AEA7A8DA4CULL,
0xCCD2A5925D9681F9ULL, 0x8E224479F47CB76AULL, 0x9266CC8A1C85D9BEULL,
Expand Down Expand Up @@ -114,16 +114,3 @@ static const uint64_t crc_table[256] = {
0x5DEDC41A34BBEEB2ULL, 0x1F1D25F19D51D821ULL, 0xD80C07CD676F8394ULL,
0x9AFCE626CE85B507ULL
};

inline uint64_t crc64(const void *_data, size_t len)
{
uint64_t crc = 0xFFFFFFFFFFFFFFFFULL;
const unsigned char *data = _data;

while (len--) {
int i = ((int) (crc >> 56) ^ *data++) & 0xFF;
crc = crc_table[i] ^ (crc << 8);
}

return crc ^ 0xFFFFFFFFFFFFFFFFULL;
}
15 changes: 14 additions & 1 deletion bcache.h
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Original file line number Diff line number Diff line change
Expand Up @@ -115,7 +115,20 @@ BITMASK(BDEV_STATE, struct cache_sb, flags, 61, 2);
#define BDEV_STATE_DIRTY 2U
#define BDEV_STATE_STALE 3U

uint64_t crc64(const void *_data, size_t len);
extern const uint64_t crc_table[];

static inline uint64_t crc64(const void *_data, size_t len)
{
uint64_t crc = 0xFFFFFFFFFFFFFFFFULL;
const unsigned char *data = _data;

while (len--) {
int i = ((int) (crc >> 56) ^ *data++) & 0xFF;
crc = crc_table[i] ^ (crc << 8);
}

return crc ^ 0xFFFFFFFFFFFFFFFFULL;
}

#define node(i, j) ((void *) ((i)->d + (j)))
#define end(i) node(i, (i)->keys)
Expand Down