Simplify the previous commit by removing the pagerCheckForOrDeleteWAL() wrapper.

FossilOrigin-Name: a1324d125e2dd7004eaf8680f5f832ef17285087

3 files changed, 15 insertions, 38 deletions

diff --git a/manifest b/manifest
index 09e5cf6d6..882448594 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Allocate\sa\sbuffer\scontaining\sthe\sfull\spath-name\sto\sthe\sassociated\sWAL\sfile\swhen\sa\spager\sis\screated.\sThis\ssaves\shaving\sto\sconstruct\sa\snew\sbuffer\seach\stime\sa\snew\sread-transaction\sis\sopened\sand\sSQLite\schecks\sfor\sthe\sexistance\sof\sa\sWAL\sfile.
-D 2010-07-05T19:03:36
+C Simplify\sthe\sprevious\scommit\sby\sremoving\sthe\spagerCheckForOrDeleteWAL()\swrapper.
+D 2010-07-05T19:13:26
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in a5cad1f8f3e021356bfcc6c77dc16f6f1952bbc3
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -156,7 +156,7 @@ F src/os_common.h a8f95b81eca8a1ab8593d23e94f8a35f35d4078f
 F src/os_os2.c 665876d5eec7585226b0a1cf5e18098de2b2da19
 F src/os_unix.c c6112f0ae34f23ae5ca0189a685e084befbdcf26
 F src/os_win.c 883caa09d8cf7c4dfdef6eba6930466cb8a8275c
-F src/pager.c d6454d37992882904ac0cdc1fd12887d1eecf434
+F src/pager.c 311571e62fe6a039d2a8dddea830981a6052239a
 F src/pager.h 879fdde5a102d2f21a3135d6f647530b21c2796c
 F src/parse.y ace5c7a125d9f2a410e431ee3209034105045f7e
 F src/pcache.c 1e9aa2dbc0845b52e1b51cc39753b6d1e041cb07
@@ -830,7 +830,7 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
-P c0d124da88e84e68679c2f3f4b2b35c03aecc916
-R cd5e60ea3770ef2152f9ff5f3bc6b29a
+P 3053a4ad15343a56efa430503797b77bb6d1e770
+R 1ec303291d035dc0b39644c087426f86
 U dan
-Z 3d489137870470f4068fe7324b7dadaf
+Z 86c196ef09ff127a40f174a4579ff6fc
diff --git a/manifest.uuid b/manifest.uuid
index 7c5571c81..c8faa485f 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-3053a4ad15343a56efa430503797b77bb6d1e770
\ No newline at end of file
+a1324d125e2dd7004eaf8680f5f832ef17285087
\ No newline at end of file
diff --git a/src/pager.c b/src/pager.c
index 0f634dd38..a080d6950 100644
--- a/src/pager.c
+++ b/src/pager.c
@@ -2439,32 +2439,6 @@ static int pagerBeginReadTransaction(Pager *pPager){
 }
 
 /*
-** Check for the existence of or delete the *-wal file that corresponds to
-** the database opened by pPager.
-**
-** When pExists!=NULL, set *pExists to 1 if the *-wal file exists, or 0
-** if the *-wal file does not exist.
-**
-** When pExists==NULL, delete the *-wal file if it exists, or the do
-** nothing if the *-wal file does not exist.
-**
-** Return SQLITE_OK on success. If on an IO or OOM error occurs, return
-** an SQLite error code.
-*/
-static int pagerCheckForOrDeleteWAL(Pager *pPager, int *pExists){
-  int rc;                         /* Return code */
-  char *zWal = pPager->zWal;      /* Name of the WAL file */
-
-  assert( !pPager->tempFile );
-  if( pExists ){
-    rc = sqlite3OsAccess(pPager->pVfs, zWal, SQLITE_ACCESS_EXISTS, pExists);
-  }else{
-    rc = sqlite3OsDelete(pPager->pVfs, zWal, 0);
-  }
-  return rc;
-}
-
-/*
 ** Check if the *-wal file that corresponds to the database opened by pPager
 ** exists if the database is not empy, or verify that the *-wal file does
 ** not exist (by deleting it) if the database file is empty.
@@ -2493,10 +2467,12 @@ static int pagerOpenWalIfPresent(Pager *pPager){
     rc = sqlite3PagerPagecount(pPager, &nPage);
     if( rc ) return rc;
     if( nPage==0 ){
-      rc = pagerCheckForOrDeleteWAL(pPager, 0);
+      rc = sqlite3OsDelete(pPager->pVfs, pPager->zWal, 0);
       isWal = 0;
     }else{
-      rc = pagerCheckForOrDeleteWAL(pPager, &isWal);
+      rc = sqlite3OsAccess(
+          pPager->pVfs, pPager->zWal, SQLITE_ACCESS_EXISTS, &isWal
+      );
     }
     if( rc==SQLITE_OK ){
       if( isWal ){
@@ -6084,8 +6060,7 @@ int sqlite3PagerOpenWal(
     ** (e.g. due to malloc() failure), unlock the database file and 
     ** return an error code.
     */
-    rc = sqlite3WalOpen(pPager->pVfs, pPager->fd,
-                        pPager->zWal, &pPager->pWal);
+    rc = sqlite3WalOpen(pPager->pVfs, pPager->fd, pPager->zWal, &pPager->pWal);
     if( rc==SQLITE_OK ){
       pPager->journalMode = PAGER_JOURNALMODE_WAL;
     }
@@ -6118,7 +6093,9 @@ int sqlite3PagerCloseWal(Pager *pPager){
     int logexists = 0;
     rc = sqlite3OsLock(pPager->fd, SQLITE_LOCK_SHARED);
     if( rc==SQLITE_OK ){
-      rc = pagerCheckForOrDeleteWAL(pPager, &logexists);
+      rc = sqlite3OsAccess(
+          pPager->pVfs, pPager->zWal, SQLITE_ACCESS_EXISTS, &logexists
+      );
     }
     if( rc==SQLITE_OK && logexists ){
       rc = sqlite3WalOpen(pPager->pVfs, pPager->fd,