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Bug fix and better testing of the extended result codes. (CVS 3423)

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FossilOrigin-Name: 78ae74db1cbf605cd421e7ea321e879d3638968e
This commit is contained in:
drh
2006-09-15 12:29:16 +00:00
parent 4ac285a1c2
commit e49f982792
4 changed files with 26 additions and 13 deletions
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9
src/pager.c
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@@ -18,7 +18,7 @@
** file simultaneously, or one process from reading the database while
** another is writing.
**
** @(#) $Id: pager.c,v 1.272 2006/09/15 07:28:50 drh Exp $
** @(#) $Id: pager.c,v 1.273 2006/09/15 12:29:16 drh Exp $
*/
#ifndef SQLITE_OMIT_DISKIO
#include "sqliteInt.h"
@@ -231,7 +231,6 @@ struct Pager {
u8 fullSync; /* Do extra syncs of the journal for robustness */
u8 full_fsync; /* Use F_FULLFSYNC when available */
u8 state; /* PAGER_UNLOCK, _SHARED, _RESERVED, etc. */
u8 errCode; /* One of several kinds of errors */
u8 tempFile; /* zFilename is a temporary file */
u8 readOnly; /* True for a read-only database */
u8 needSync; /* True if an fsync() is needed on the journal */
@@ -239,6 +238,7 @@ struct Pager {
u8 alwaysRollback; /* Disable dont_rollback() for all pages */
u8 memDb; /* True to inhibit all file I/O */
u8 setMaster; /* True if a m-j name has been written to jrnl */
int errCode; /* One of several kinds of errors */
int dbSize; /* Number of pages in the file */
int origDbSize; /* dbSize before the current change */
int stmtSize; /* Size of database (in pages) at stmt_begin() */
@@ -1815,12 +1815,13 @@ void sqlite3pager_read_fileheader(Pager *pPager, int N, unsigned char *pDest){
*/
int sqlite3pager_pagecount(Pager *pPager){
i64 n;
int rc;
assert( pPager!=0 );
if( pPager->dbSize>=0 ){
n = pPager->dbSize;
} else {
if( sqlite3OsFileSize(pPager->fd, &n)!=SQLITE_OK ){
pager_error(pPager, SQLITE_IOERR);
if( (rc = sqlite3OsFileSize(pPager->fd, &n))!=SQLITE_OK ){
pager_error(pPager, rc);
return 0;
}
if( n>0 && n<pPager->pageSize ){