ITS#8117 fix INTEGERDUP compare

hyc · hyc · commit ba45e0c05aee · 2015-04-29T17:12:40.000+01:00
diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
@@ -7076,6 +7076,12 @@ mdb_xcursor_init1(MDB_cursor *mc, MDB_node *node)
 				mx->mx_db.md_flags |= MDB_INTEGERKEY;
 		}
 	}
+#if UINT_MAX < SIZE_MAX
+	if (mc->mc_dbx->md_dcmp == mdb_cmp_int && mx->mx_db.md_pad == sizeof(size_t)) {
+		mc->mc_dbx->md_dcmp = mdb_cmp_clong;
+		mx->mx_dbx.md_cmp = mdb_cmp_clong;
+	}
+#endif
 	DPRINTF(("Sub-db -%u root page %"Z"u", mx->mx_cursor.mc_dbi,
 		mx->mx_db.md_root));
 	mx->mx_dbflag = DB_VALID|DB_DIRTY; /* DB_DIRTY guides mdb_cursor_touch */

Original file line number	Diff line number	Diff line change
`@@ -7076,6 +7076,12 @@ mdb_xcursor_init1(MDB_cursor mc, MDB_node node)`
`7076`	`7076`	`mx->mx_db.md_flags \|= MDB_INTEGERKEY;`
`7077`	`7077`	`}`
`7078`	`7078`	`}`
	`7079`	`+#if UINT_MAX < SIZE_MAX`
	`7080`	`+ if (mc->mc_dbx->md_dcmp == mdb_cmp_int && mx->mx_db.md_pad == sizeof(size_t)) {`
	`7081`	`+ mc->mc_dbx->md_dcmp = mdb_cmp_clong;`
	`7082`	`+ mx->mx_dbx.md_cmp = mdb_cmp_clong;`
	`7083`	`+ }`
	`7084`	`+#endif`
`7079`	`7085`	`DPRINTF(("Sub-db -%u root page %"Z"u", mx->mx_cursor.mc_dbi,`
`7080`	`7086`	`mx->mx_db.md_root));`
`7081`	`7087`	`mx->mx_dbflag = DB_VALID\|DB_DIRTY; /* DB_DIRTY guides mdb_cursor_touch */`