hash_page.c.patch   [plain text]

--- hash_page.c.orig	2009-11-06 12:41:16.000000000 -0800
+++ hash_page.c	2009-11-06 12:43:23.000000000 -0800
@@ -70,7 +70,7 @@ __FBSDID("$FreeBSD: src/lib/libc/db/hash
 #include <db.h>
 #include "hash.h"
 #include "page.h"
-#include "extern.h"
+#include "hash_extern.h"
 
 static u_int32_t *fetch_bitmap(HTAB *, int);
 static u_int32_t  first_free(u_int32_t);
@@ -571,7 +571,7 @@ __get_page(HTAB *hashp, char *p, u_int32
 int
 __put_page(HTAB *hashp, char *p, u_int32_t bucket, int is_bucket, int is_bitmap)
 {
-	int fd, page, size, wsize;
+	int fd, page, size, wsize, max;
 
 	size = hashp->BSIZE;
 	if ((hashp->fp == -1) && open_temp(hashp))
@@ -579,7 +579,7 @@ __put_page(HTAB *hashp, char *p, u_int32
 	fd = hashp->fp;
 
 	if (hashp->LORDER != BYTE_ORDER) {
-		int i, max;
+		int i;
 
 		if (is_bitmap) {
 			max = hashp->BSIZE >> 2;	/* divide by 4 */
@@ -602,6 +602,18 @@ __put_page(HTAB *hashp, char *p, u_int32
 		errno = EFTYPE;
 		return (-1);
 	}
+	/* 4485533 - reswap the in-memory copy */
+	if (hashp->LORDER != BYTE_ORDER) {
+		int i;
+
+		if (is_bitmap) {
+			for (i = 0; i < max; i++)
+				M_32_SWAP(((int *)p)[i]);
+		} else {
+			for (i = 0; i <= max; i++)
+				M_16_SWAP(((u_int16_t *)p)[i]);
+		}
+	}
 	return (0);
 }