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basebackup_lz4.c File Reference

#include "postgres.h"
#include "backup/basebackup_sink.h"

Include dependency graph for basebackup_lz4.c:

Go to the source code of this file.

Functions

bbsink * bbsink_lz4_new (bbsink *next, pg_compress_specification *compress)

Function Documentation

◆ bbsink_lz4_new()

bbsink * bbsink_lz4_new ( bbsink * next,

pg_compress_specification * compress

)

Definition at line 62 of file basebackup_lz4.c.

63{

64#ifndef USE_LZ4

65 ereport(ERROR,

66 (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),

67 errmsg("lz4 compression is not supported by this build")));

68 return NULL; /* keep compiler quiet */

69#else

70 bbsink_lz4 *sink;

71 int compresslevel;

72

73 Assert(next != NULL);

74

75 compresslevel = compress->level;

76 Assert(compresslevel >= 0 && compresslevel <= 12);

77

78 sink = palloc0(sizeof(bbsink_lz4));

79 *((const bbsink_ops **) &sink->base.bbs_ops) = &bbsink_lz4_ops;

80 sink->base.bbs_next = next;

81 sink->compresslevel = compresslevel;

82

83 return &sink->base;

84#endif

85}

Definition: blutils.c:224

errcode

int errcode(int sqlerrcode)

Definition: elog.c:854

errmsg

int errmsg(const char *fmt,...)

Definition: elog.c:1071

ERROR

#define ERROR

Definition: elog.h:39

ereport

#define ereport(elevel,...)

Definition: elog.h:150

Assert

Assert(PointerIsAligned(start, uint64))

palloc0

void * palloc0(Size size)

Definition: mcxt.c:1395

compresslevel

static int compresslevel

Definition: pg_receivewal.c:45

bbsink_ops

Definition: basebackup_sink.h:119

pg_compress_specification::level

int level

Definition: compression.h:36

References Assert(), compresslevel, ereport, errcode(), errmsg(), ERROR, pg_compress_specification::level, next, and palloc0().

Referenced by SendBaseBackup().