PostGIS  2.3.8dev-r@@SVN_REVISION@@

◆ lwcollection_reserve()

void lwcollection_reserve ( LWCOLLECTION col,
int  ngeoms 
)

Ensure the collection can hold up at least ngeoms.

Ensure the collection can hold at least up to ngeoms geometries.

Definition at line 174 of file lwcollection.c.

References LWCOLLECTION::geoms, lwrealloc(), and LWCOLLECTION::maxgeoms.

Referenced by lwcollection_add_lwgeom(), and lwgeom_node().

175 {
176  if ( ngeoms <= col->maxgeoms ) return;
177 
178  /* Allocate more space if we need it */
179  do { col->maxgeoms *= 2; } while ( col->maxgeoms < ngeoms );
180  col->geoms = lwrealloc(col->geoms, sizeof(LWGEOM*) * col->maxgeoms);
181 }
LWGEOM ** geoms
Definition: liblwgeom.h:508
void * lwrealloc(void *mem, size_t size)
Definition: lwutil.c:235
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