diff options
Diffstat (limited to 'src/backend/access/rtree/rtproc.c')
| -rw-r--r-- | src/backend/access/rtree/rtproc.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/src/backend/access/rtree/rtproc.c b/src/backend/access/rtree/rtproc.c index fd610caebe1..400be10ccb3 100644 --- a/src/backend/access/rtree/rtproc.c +++ b/src/backend/access/rtree/rtproc.c @@ -6,7 +6,7 @@ * NOTE: for largely-historical reasons, the intersection functions should * return a NULL pointer (*not* an SQL null value) to indicate "no * intersection". The size functions must be prepared to accept such - * a pointer and return 0. This convention means that only pass-by-reference + * a pointer and return 0. This convention means that only pass-by-reference * data types can be used as the output of the union and intersection * routines, but that's not a big problem. * @@ -15,7 +15,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtproc.c,v 1.31 2001/01/24 19:42:49 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtproc.c,v 1.32 2001/03/22 03:59:16 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -70,6 +70,7 @@ Datum rt_box_size(PG_FUNCTION_ARGS) { BOX *a = PG_GETARG_BOX_P(0); + /* NB: size is an output argument */ float *size = (float *) PG_GETARG_POINTER(1); @@ -98,8 +99,8 @@ rt_bigbox_size(PG_FUNCTION_ARGS) Datum rt_poly_union(PG_FUNCTION_ARGS) { - POLYGON *a = PG_GETARG_POLYGON_P(0); - POLYGON *b = PG_GETARG_POLYGON_P(1); + POLYGON *a = PG_GETARG_POLYGON_P(0); + POLYGON *b = PG_GETARG_POLYGON_P(1); POLYGON *p; p = (POLYGON *) palloc(sizeof(POLYGON)); @@ -122,8 +123,8 @@ rt_poly_union(PG_FUNCTION_ARGS) Datum rt_poly_inter(PG_FUNCTION_ARGS) { - POLYGON *a = PG_GETARG_POLYGON_P(0); - POLYGON *b = PG_GETARG_POLYGON_P(1); + POLYGON *a = PG_GETARG_POLYGON_P(0); + POLYGON *b = PG_GETARG_POLYGON_P(1); POLYGON *p; p = (POLYGON *) palloc(sizeof(POLYGON)); @@ -155,13 +156,15 @@ Datum rt_poly_size(PG_FUNCTION_ARGS) { Pointer aptr = PG_GETARG_POINTER(0); + /* NB: size is an output argument */ float *size = (float *) PG_GETARG_POINTER(1); - POLYGON *a; + POLYGON *a; double xdim, ydim; - /* Can't just use GETARG because of possibility that input is NULL; + /* + * Can't just use GETARG because of possibility that input is NULL; * since POLYGON is toastable, GETARG will try to inspect its value */ if (aptr == NULL) |