gserialized_set_srid()

void gserialized_set_srid	(	GSERIALIZED *	s,
		int32_t	srid
	)

Write the SRID into the serialized form (it is packed into three bytes so this is a handy function).

Definition at line 117 of file g_serialized.c.

References clamp_srid(), LWDEBUGF, GSERIALIZED::srid, and SRID_UNKNOWN.

Referenced by BOX3D_to_LWGEOM(), gserialized_from_lwgeom(), LWGEOM_from_WKB(), LWGEOM_set_srid(), and test_serialized_srid().

{
        LWDEBUGF(3, "Called with srid = %d", srid);

        srid = clamp_srid(srid);

        /* 0 is our internal unknown value.
         * We'll map back and forth here for now */
        if ( srid == SRID_UNKNOWN )
                srid = 0;

        s->srid[0] = (srid & 0x001F0000) >> 16;
        s->srid[1] = (srid & 0x0000FF00) >> 8;
        s->srid[2] = (srid & 0x000000FF);
}

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