Fix a bug in pager.c introduced in the previous delta. (CVS 227)

FossilOrigin-Name: f4df6664037c68e1ce539c84c852124d95cd5a56

manifest

@@ -1,5 +1,5 @@
-C The\sBTree\scode\scompiles\sand\slinks\snow,\sbut\sit\sdoes\snot\swork\syet.\s(CVS\s226)
-D 2001-06-22T19:15:00
+C Fix\sa\sbug\sin\spager.c\sintroduced\sin\sthe\sprevious\sdelta.\s(CVS\s227)
+D 2001-06-23T11:36:20
 F COPYRIGHT 74a8a6531a42e124df07ab5599aad63870fa0bd4
 F Makefile.in 65862a30703b070209b5f5e565d75cc870962b3c
 F README 51f6a4e7408b34afa5bc1c0485f61b6a4efb6958
@@ -31,7 +31,7 @@ F src/ex/sizes.tcl f54bad4a2ac567624be59131a6ee42d71b41a3d7
 F src/expr.c c4c24c3af1eba094a816522eb0e085bed518ee16
 F src/insert.c aa528e20a787af85432a61daaea6df394bd251d7
 F src/main.c 0a13c7a2beb8ce36aee43daf8c95989b200727a7
-F src/pager.c 30c6f10a3c0cdfca3314c07d34375dbc19a48c2f
+F src/pager.c d5cb53ac679d039d40661e50200a8dde6406ca15
 F src/pager.h 724ac5a79b5fa704a1e1a87e421e421b3da9c1e4
 F src/parse.y 8fc096948994a7ffbf61ba13129cc589f794a9cb
 F src/printf.c b1e22a47be8cdf707815647239991e08e8cb69f9
@@ -107,7 +107,7 @@ F www/opcode.tcl cb3a1abf8b7b9be9f3a228d097d6bf8b742c2b6f
 F www/sqlite.tcl cb0d23d8f061a80543928755ec7775da6e4f362f
 F www/tclsqlite.tcl 06f81c401f79a04f2c5ebfb97e7c176225c0aef2
 F www/vdbe.tcl 0c8aaa529dd216ccbf7daaabd80985e413d5f9ad
-P d4be4709ee32bab6e78104861ed4e02d153779aa
-R 0a720e1f17d26fb5cb5699a653f8a269
+P b31c49021c260a67b7848bc077b75a7146e31c71
+R e52ea2ba0d86c859453a43591ceb35fc
 U drh
-Z 4c2d9d4e753474964194e60669402b32
+Z 86cec7512c643b5b976845158db125a4

manifest.uuid

@@ -1 +1 @@
-b31c49021c260a67b7848bc077b75a7146e31c71
+f4df6664037c68e1ce539c84c852124d95cd5a56

src/pager.c

@@ -27,7 +27,7 @@
 ** all writes in order to support rollback.  Locking is used to limit
 ** access to one or more reader or one writer.
 **
-** @(#) $Id: pager.c,v 1.9 2001/06/22 19:15:00 drh Exp $
+** @(#) $Id: pager.c,v 1.10 2001/06/23 11:36:20 drh Exp $
 */
 #include "sqliteInt.h"
 #include "pager.h"
@@ -562,8 +562,7 @@ Pgno sqlitepager_pagenumber(void *pData){
 ** currently on the freelist (the reference count is zero) then
 ** remove it from the freelist.
 */
-int sqlitepager_ref(void *pData){
-  PgHdr *pPg = DATA_TO_PGHDR(pData);
+static void page_ref(PgHdr *pPg){
   if( pPg->nRef==0 ){
     /* The page is currently on the freelist.  Remove it. */
     if( pPg->pPrevFree ){
@@ -579,6 +578,15 @@ int sqlitepager_ref(void *pData){
     pPg->pPager->nRef++;
   }
   pPg->nRef++;
+}
+
+/*
+** Increment the reference count for a page.  The input pointer is
+** a reference to the page data.
+*/
+int sqlitepager_ref(void *pData){
+  PgHdr *pPg = DATA_TO_PGHDR(pData);
+  page_ref(pPg);
   return SQLITE_OK;
 }
 
@@ -766,7 +774,7 @@ int sqlitepager_get(Pager *pPager, Pgno pgno, void **ppPage){
   }else{
     /* The requested page is in the page cache. */
     pPager->nHit++;
-    sqlitepager_ref(pPg);
+    page_ref(pPg);
   }
   *ppPage = PGHDR_TO_DATA(pPg);
   return SQLITE_OK;
@@ -799,7 +807,7 @@ void *sqlitepager_lookup(Pager *pPager, Pgno pgno){
   }
   pPg = pager_lookup(pPager, pgno);
   if( pPg==0 ) return 0;
-  sqlitepager_ref(pPg);
+  page_ref(pPg);
   return PGHDR_TO_DATA(pPg);
 }