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Macros | Functions

crc32.c File Reference

#include "postgres.h"
#include "ltree.h"
#include <ctype.h>
#include "crc32.h"
#include "utils/pg_crc.h"

Include dependency graph for crc32.c:

Go to the source code of this file.

Macros

#define TOLOWER(x) tolower((unsigned char) (x))

Functions

unsigned int ltree_crc32_sz (const char *buf, int size)

Macro Definition Documentation

◆ TOLOWER

#define TOLOWER ( x ) tolower((unsigned char) (x))

Definition at line 15 of file crc32.c.

Function Documentation

◆ ltree_crc32_sz()

unsigned int ltree_crc32_sz ( const char * buf,

int size

)

Definition at line 24 of file crc32.c.

25{

26 pg_crc32 crc;

27 const char *p = buf;

28

29 INIT_TRADITIONAL_CRC32(crc);

30 while (size > 0)

31 {

32 char c = (char) TOLOWER(*p);

33

34 COMP_TRADITIONAL_CRC32(crc, &c, 1);

35 size--;

36 p++;

37 }

38 FIN_TRADITIONAL_CRC32(crc);

39 return (unsigned int) crc;

40}

TOLOWER

#define TOLOWER(x)

Definition: crc32.c:15

crc

return crc

Definition: pg_crc32c_sse42.c:72

pg_crc32

uint32 pg_crc32

Definition: pg_crc.h:37

FIN_TRADITIONAL_CRC32

#define FIN_TRADITIONAL_CRC32(crc)

Definition: pg_crc.h:47

INIT_TRADITIONAL_CRC32

#define INIT_TRADITIONAL_CRC32(crc)

Definition: pg_crc.h:46

COMP_TRADITIONAL_CRC32

#define COMP_TRADITIONAL_CRC32(crc, data, len)

Definition: pg_crc.h:48

buf

static char * buf

Definition: pg_test_fsync.c:72

c

char * c

Definition: preproc-cursor.c:31

References buf, COMP_TRADITIONAL_CRC32, crc, FIN_TRADITIONAL_CRC32, INIT_TRADITIONAL_CRC32, and TOLOWER.

Referenced by gist_te(), hashing(), parse_lquery(), and pushval_asis().