include/vbyte.h File Reference

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Defines
#define	vbyte_getVbyte(cmem, n)
#define	vbyte_putVbyte(cmem, n)
#define	vbyte_safePutVbyte(cmem, originalN)
Functions
unsigned char *	vbyte_get64vbyte (unsigned char *cmem, uint8 *n)

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Define Documentation

#define vbyte_getVbyte	(	cmem,
		n		)

Value:

if (1) {                                                                  \
        int B2_GETVBYTE_count = 0;                                   \
                                                                              \
        *(n) = 0;                                                             \
        while (((unsigned char)(*(cmem)) >= 128)) {                             \
            *(n) |= (*(cmem) & 0x7f) << B2_GETVBYTE_count;                    \
            B2_GETVBYTE_count += 7;                                           \
            (cmem)++;                                                         \
        }                                                                     \
        *(n) |= (unsigned char)(*(cmem)) << B2_GETVBYTE_count;                  \
        (cmem)++;                                                             \
    } else

Definition at line 3 of file vbyte.h.

Referenced by encoding_insertWilds(), index_print(), index_processQuery(), main(), postings_decodeList(), readdb_getChildren(), readdb_nextVolume(), readdb_open(), and unpack_unpackSubject().

#define vbyte_putVbyte	(	cmem,
		n		)

Value:

if (1) {                                                                  \
    while ((n) >= 128) {                                                      \
            *(cmem) = ((n) & 0x7f) | 0x80;                                    \
            (n) >>= 7;                                                        \
            (cmem)++;                                                         \
        }                                                                     \
        *(cmem) = ((unsigned char) n);                                        \
        (cmem)++;                                                             \
    } else

Definition at line 20 of file vbyte.h.

Referenced by index_addWord(), main(), and postings_addPosting().

#define vbyte_safePutVbyte	(	cmem,
		originalN		)

Value:

if (1) {                                                                  \
    uint8 n = originalN;                                                        \
    while ((n) >= 128) {                                                      \
            *(cmem) = ((n) & 0x7f) | 0x80;                                    \
            (n) >>= 7;                                                        \
            (cmem)++;                                                         \
        }                                                                     \
        *(cmem) = ((unsigned char) n);                                        \
        (cmem)++;                                                             \
    } else

Definition at line 32 of file vbyte.h.

Referenced by writedb_addSequence(), and writedb_close().

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Function Documentation

unsigned char* vbyte_get64vbyte	(	unsigned char *	cmem,
		uint8 *	n
	)

Definition at line 4 of file vbyte.c.

References uint8.

Referenced by main(), and readdb_open().

{
        int count = 0;

        *(n) = 0;
        while (((unsigned char)(*(cmem)) >= 128)) {
                *(n) |= (uint8)(*(cmem) & 0x7f) << count;
                count += 7;
                (cmem)++;
        }
        *(n) |= (uint8)(*(cmem)) << count;
        (cmem)++;

        return cmem;
}

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