PostGIS 3.0.6dev-r@@SVN_REVISION@@
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◆ gserialized_header_size()

static size_t gserialized_header_size ( const GSERIALIZED g)
inlinestatic

Definition at line 278 of file gserialized.c.

279{
280 size_t sz = 8; /* varsize (4) + srid(3) + flags (1) */
281
282 if ((GFLAGS_GET_VERSION(g->gflags)) &&
283 (G2FLAG_EXTENDED & g->gflags))
284 sz += 8;
285
286 if (GFLAG_BBOX & g->gflags)
287 {
288 if (GFLAG_GEODETIC & g->gflags)
289 {
290 sz += 6 * sizeof(float);
291 }
292 else
293 {
294 sz += 4 * sizeof(float) +
295 ((GFLAG_Z & g->gflags) ? 2*sizeof(float) : 0) +
296 ((GFLAG_M & g->gflags) ? 2*sizeof(float) : 0);
297 }
298 }
299
300 return sz;
301}
#define GFLAG_GEODETIC
Definition gserialized.c:9
#define GFLAGS_GET_VERSION(gflags)
Definition gserialized.c:12
#define GFLAG_Z
Definition gserialized.c:6
#define G2FLAG_EXTENDED
Return -1 if g1 is "less than" g2, 1 if g1 is "greater than" g2 and 0 if g1 and g2 are the "same".
#define GFLAG_BBOX
Definition gserialized.c:8
#define GFLAG_M
Definition gserialized.c:7
uint8_t gflags
Definition liblwgeom.h:432

References G2FLAG_EXTENDED, GFLAG_BBOX, GFLAG_GEODETIC, GFLAG_M, GFLAG_Z, GSERIALIZED::gflags, and GFLAGS_GET_VERSION.

Referenced by gserialized_cmp().

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