mirror of
https://github.com/alliedmodders/amxmodx.git
synced 2024-12-26 14:55:36 +03:00
93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
/*
|
|
** 2005 November 29
|
|
**
|
|
** The author disclaims copyright to this source code. In place of
|
|
** a legal notice, here is a blessing:
|
|
**
|
|
** May you do good and not evil.
|
|
** May you find forgiveness for yourself and forgive others.
|
|
** May you share freely, never taking more than you give.
|
|
**
|
|
******************************************************************************
|
|
**
|
|
** This file contains OS interface code that is common to all
|
|
** architectures.
|
|
*/
|
|
#define _SQLITE_OS_C_ 1
|
|
#include "sqliteInt.h"
|
|
#include "os.h"
|
|
|
|
/*
|
|
** The following routines are convenience wrappers around methods
|
|
** of the OsFile object. This is mostly just syntactic sugar. All
|
|
** of this would be completely automatic if SQLite were coded using
|
|
** C++ instead of plain old C.
|
|
*/
|
|
int sqlite3OsClose(OsFile **pId){
|
|
OsFile *id;
|
|
if( pId!=0 && (id = *pId)!=0 ){
|
|
return id->pMethod->xClose(pId);
|
|
}else{
|
|
return SQLITE_OK;
|
|
}
|
|
}
|
|
int sqlite3OsOpenDirectory(OsFile *id, const char *zName){
|
|
return id->pMethod->xOpenDirectory(id, zName);
|
|
}
|
|
int sqlite3OsRead(OsFile *id, void *pBuf, int amt){
|
|
return id->pMethod->xRead(id, pBuf, amt);
|
|
}
|
|
int sqlite3OsWrite(OsFile *id, const void *pBuf, int amt){
|
|
return id->pMethod->xWrite(id, pBuf, amt);
|
|
}
|
|
int sqlite3OsSeek(OsFile *id, i64 offset){
|
|
return id->pMethod->xSeek(id, offset);
|
|
}
|
|
int sqlite3OsTruncate(OsFile *id, i64 size){
|
|
return id->pMethod->xTruncate(id, size);
|
|
}
|
|
int sqlite3OsSync(OsFile *id, int fullsync){
|
|
return id->pMethod->xSync(id, fullsync);
|
|
}
|
|
void sqlite3OsSetFullSync(OsFile *id, int value){
|
|
id->pMethod->xSetFullSync(id, value);
|
|
}
|
|
#if defined(SQLITE_TEST) || defined(SQLITE_DEBUG)
|
|
/* This method is currently only used while interactively debugging the
|
|
** pager. More specificly, it can only be used when sqlite3DebugPrintf() is
|
|
** included in the build. */
|
|
int sqlite3OsFileHandle(OsFile *id){
|
|
return id->pMethod->xFileHandle(id);
|
|
}
|
|
#endif
|
|
int sqlite3OsFileSize(OsFile *id, i64 *pSize){
|
|
return id->pMethod->xFileSize(id, pSize);
|
|
}
|
|
int sqlite3OsLock(OsFile *id, int lockType){
|
|
return id->pMethod->xLock(id, lockType);
|
|
}
|
|
int sqlite3OsUnlock(OsFile *id, int lockType){
|
|
return id->pMethod->xUnlock(id, lockType);
|
|
}
|
|
int sqlite3OsLockState(OsFile *id){
|
|
return id->pMethod->xLockState(id);
|
|
}
|
|
int sqlite3OsCheckReservedLock(OsFile *id){
|
|
return id->pMethod->xCheckReservedLock(id);
|
|
}
|
|
|
|
#ifdef SQLITE_ENABLE_REDEF_IO
|
|
/*
|
|
** A function to return a pointer to the virtual function table.
|
|
** This routine really does not accomplish very much since the
|
|
** virtual function table is a global variable and anybody who
|
|
** can call this function can just as easily access the variable
|
|
** for themselves. Nevertheless, we include this routine for
|
|
** backwards compatibility with an earlier redefinable I/O
|
|
** interface design.
|
|
*/
|
|
struct sqlite3OsVtbl *sqlite3_os_switch(void){
|
|
return &sqlite3Os;
|
|
}
|
|
#endif
|