*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtsearch.c,v 1.11 1996/12/06 09:41:45 vadim Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtsearch.c,v 1.12 1996/12/15 09:05:10 bryanh Exp $
*
*-------------------------------------------------------------------------
*/
#endif
-static BTStack _bt_searchr(Relation rel, int keysz, ScanKey scankey, Buffer *bufP, BTStack stack_in);
-static OffsetNumber _bt_firsteq(Relation rel, TupleDesc itupdesc, Page page, Size keysz, ScanKey scankey, OffsetNumber offnum);
-int _bt_compare(Relation rel, TupleDesc itupdesc, Page page, int keysz, ScanKey scankey, OffsetNumber offnum);
-static bool _bt_twostep(IndexScanDesc scan, Buffer *bufP, ScanDirection dir);
-static RetrieveIndexResult _bt_endpoint(IndexScanDesc scan, ScanDirection dir);
+static BTStack
+_bt_searchr(Relation rel, int keysz, ScanKey scankey,
+ Buffer *bufP, BTStack stack_in);
+static OffsetNumber
+_bt_firsteq(Relation rel, TupleDesc itupdesc, Page page,
+ Size keysz, ScanKey scankey, OffsetNumber offnum);
+int
+_bt_compare(Relation rel, TupleDesc itupdesc, Page page,
+ int keysz, ScanKey scankey, OffsetNumber offnum);
+static bool
+_bt_twostep(IndexScanDesc scan, Buffer *bufP, ScanDirection dir);
+static RetrieveIndexResult
+_bt_endpoint(IndexScanDesc scan, ScanDirection dir);
/*
* _bt_search() -- Search for a scan key in the index.
elog(WARN, "_bt_compare: invalid comparison to high key");
}
-#ifdef 0
+#if 0
/*
* We just have to belive that right answer will not
* break anything. I've checked code and all seems to be ok.
* Scanning in BackwardScanDirection is not understandable at all.
* Well - new stuff. - vadim 12/06/96
*/
-#ifdef 0
+#if 0
if (PageIsEmpty(page) || start > maxoff) {
ItemPointerSet(current, blkno, maxoff);
if (!_bt_step(scan, &buf, BackwardScanDirection))
* empty why do scanning in ForwardScanDirection ???
* Well - new stuff. - vadim 12/06/96
*/
-#ifdef 0
+#if 0
if (PageIsEmpty(page)) {
ItemPointerSet(current, blkno, FirstOffsetNumber);
if (!_bt_step(scan, &buf, ForwardScanDirection))
/*-
* Copyright (c) 1992 Henry Spencer.
* Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
+ * The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer of the University of Toronto.
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * @(#)regex.h 8.2 (Berkeley) 1/3/94
+ * @(#)regex.h 8.2 (Berkeley) 1/3/94
*/
#ifndef _REGEX_H_
-#define _REGEX_H_
+#define _REGEX_H_
#include
typedef off_t regoff_t;
typedef struct {
- int re_magic;
- size_t re_nsub; /* number of parenthesized subexpressions */
- __const char *re_endp; /* end pointer for REG_PEND */
- struct re_guts *re_g; /* none of your business :-) */
+ int re_magic;
+ size_t re_nsub; /* number of parenthesized subexpressions */
+ const char *re_endp; /* end pointer for REG_PEND */
+ struct re_guts *re_g; /* none of your business :-) */
} regex_t;
typedef struct {
- regoff_t rm_so; /* start of match */
- regoff_t rm_eo; /* end of match */
+ regoff_t rm_so; /* start of match */
+ regoff_t rm_eo; /* end of match */
} regmatch_t;
/* regcomp() flags */
-#define REG_BASIC 0000
-#define REG_EXTENDED 0001
-#define REG_ICASE 0002
-#define REG_NOSUB 0004
-#define REG_NEWLINE 0010
-#define REG_NOSPEC 0020
-#define REG_PEND 0040
-#define REG_DUMP 0200
+#define REG_BASIC 0000
+#define REG_EXTENDED 0001
+#define REG_ICASE 0002
+#define REG_NOSUB 0004
+#define REG_NEWLINE 0010
+#define REG_NOSPEC 0020
+#define REG_PEND 0040
+#define REG_DUMP 0200
/* regerror() flags */
-#define REG_NOMATCH 1
-#define REG_BADPAT 2
-#define REG_ECOLLATE 3
-#define REG_ECTYPE 4
-#define REG_EESCAPE 5
-#define REG_ESUBREG 6
-#define REG_EBRACK 7
-#define REG_EPAREN 8
-#define REG_EBRACE 9
-#define REG_BADBR 10
-#define REG_ERANGE 11
-#define REG_ESPACE 12
-#define REG_BADRPT 13
-#define REG_EMPTY 14
-#define REG_ASSERT 15
-#define REG_INVARG 16
-#define REG_ATOI 255 /* convert name to number (!) */
-#define REG_ITOA 0400 /* convert number to name (!) */
+#define REG_NOMATCH 1
+#define REG_BADPAT 2
+#define REG_ECOLLATE 3
+#define REG_ECTYPE 4
+#define REG_EESCAPE 5
+#define REG_ESUBREG 6
+#define REG_EBRACK 7
+#define REG_EPAREN 8
+#define REG_EBRACE 9
+#define REG_BADBR 10
+#define REG_ERANGE 11
+#define REG_ESPACE 12
+#define REG_BADRPT 13
+#define REG_EMPTY 14
+#define REG_ASSERT 15
+#define REG_INVARG 16
+#define REG_ATOI 255 /* convert name to number (!) */
+#define REG_ITOA 0400 /* convert number to name (!) */
/* regexec() flags */
-#define REG_NOTBOL 00001
-#define REG_NOTEOL 00002
-#define REG_STARTEND 00004
-#define REG_TRACE 00400 /* tracing of execution */
-#define REG_LARGE 01000 /* force large representation */
-#define REG_BACKR 02000 /* force use of backref code */
+#define REG_NOTBOL 00001
+#define REG_NOTEOL 00002
+#define REG_STARTEND 00004
+#define REG_TRACE 00400 /* tracing of execution */
+#define REG_LARGE 01000 /* force large representation */
+#define REG_BACKR 02000 /* force use of backref code */
-__BEGIN_DECLS
-int pg95_regcomp __P((regex_t *, const char *, int));
-size_t pg95_regerror __P((int, const regex_t *, char *, size_t));
-int pg95_regexec __P((const regex_t *,
- const char *, size_t, regmatch_t [], int));
-void pg95_regfree __P((regex_t *));
-__END_DECLS
+int pg95_regcomp(regex_t *, const char *, int);
+size_t pg95_regerror(int, const regex_t *, char *, size_t);
+int pg95_regexec (const regex_t *,
+ const char *, size_t, regmatch_t [], int);
+void pg95_regfree (regex_t *);
#endif /* !_REGEX_H_ */
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