basebackup_gzip.c File Reference

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

Include dependency graph for basebackup_gzip.c:

Go to the source code of this file.

Functions
bbsink *	bbsink_gzip_new (bbsink *next, pg_compress_specification *compress)

Function Documentation

bbsink_gzip_new()

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

Definition at line 62 of file basebackup_gzip.c.

{
#ifndef HAVE_LIBZ
    ereport(ERROR,
            (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("gzip compression is not supported by this build")));
    return NULL;                /* keep compiler quiet */
#else
    bbsink_gzip *sink;
    int         compresslevel;
 
    Assert(next != NULL);
 
    compresslevel = compress->level;
    Assert((compresslevel >= 1 && compresslevel <= 9) ||
           compresslevel == Z_DEFAULT_COMPRESSION);
 
    sink = palloc0_object(bbsink_gzip);
    *((const bbsink_ops **) &sink->base.bbs_ops) = &bbsink_gzip_ops;
    sink->base.bbs_next = next;
    sink->compresslevel = compresslevel;
 
    return &sink->base;
#endif
}

References Assert, compresslevel, ereport, errcode(), errmsg(), ERROR, fb(), pg_compress_specification::level, next, and palloc0_object.

Referenced by SendBaseBackup().