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Remove unreachable code from util.c. (CVS 3784)

FossilOrigin-Name: 82b7a6f05c737f6ad4a21f354e55ec268fa1b032
This commit is contained in:
drh
2007-03-31 22:33:48 +00:00
parent 98495b4a91
commit e1521f4c05
3 changed files with 17 additions and 10 deletions

View File

@@ -14,7 +14,7 @@
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
** $Id: util.c,v 1.197 2007/03/27 13:36:37 drh Exp $
** $Id: util.c,v 1.198 2007/03/31 22:33:48 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@@ -1133,6 +1133,13 @@ int sqlite3FitsIn64Bits(const char *zNum){
** Return an error (non-zero) if the magic was not SQLITE_MAGIC_OPEN
** when this routine is called.
**
** This routine is called when entering an SQLite API. The SQLITE_MAGIC_OPEN
** value indicates that the database connection passed into the API is
** open and is not being used by another thread. By changing the value
** to SQLITE_MAGIC_BUSY we indicate that the connection is in use.
** sqlite3SafetyOff() below will change the value back to SQLITE_MAGIC_OPEN
** when the API exits.
**
** This routine is a attempt to detect if two threads use the
** same sqlite* pointer at the same time. There is a race
** condition so it is possible that the error is not detected.
@@ -1166,11 +1173,11 @@ int sqlite3SafetyOff(sqlite3 *db){
if( db->magic==SQLITE_MAGIC_BUSY ){
db->magic = SQLITE_MAGIC_OPEN;
return 0;
}else if( db->magic==SQLITE_MAGIC_OPEN ){
}else {
db->magic = SQLITE_MAGIC_ERROR;
db->u1.isInterrupted = 1;
return 1;
}
return 1;
}
/*