216   sqlite3_vfs *pVfs,  in sqlite3OsOpen()  argument
229   rc = pVfs->xOpen(pVfs, zPath, pFile, flags & 0x1087f7f, pFlagsOut);  in sqlite3OsOpen()
233 int sqlite3OsDelete(sqlite3_vfs *pVfs, const char *zPath, int dirSync){  in sqlite3OsDelete()  argument
236   return pVfs->xDelete!=0 ? pVfs->xDelete(pVfs, zPath, dirSync) : SQLITE_OK;  in sqlite3OsDelete()
239   sqlite3_vfs *pVfs,  in sqlite3OsAccess()  argument
245   return pVfs->xAccess(pVfs, zPath, flags, pResOut);  in sqlite3OsAccess()
248   sqlite3_vfs *pVfs,  in sqlite3OsFullPathname()  argument
255   return pVfs->xFullPathname(pVfs, zPath, nPathOut, zPathOut);  in sqlite3OsFullPathname()
258 void *sqlite3OsDlOpen(sqlite3_vfs *pVfs, const char *zPath){  in sqlite3OsDlOpen()  argument
261   return pVfs->xDlOpen(pVfs, zPath);  in sqlite3OsDlOpen()
263 void sqlite3OsDlError(sqlite3_vfs *pVfs, int nByte, char *zBufOut){  in sqlite3OsDlError()  argument
264   pVfs->xDlError(pVfs, nByte, zBufOut);  in sqlite3OsDlError()
266 void (*sqlite3OsDlSym(sqlite3_vfs *pVfs, void *pHdle, const char *zSym))(void){  in sqlite3OsDlSym()  argument
267   return pVfs->xDlSym(pVfs, pHdle, zSym);  in sqlite3OsDlSym()
269 void sqlite3OsDlClose(sqlite3_vfs *pVfs, void *pHandle){  in sqlite3OsDlClose()  argument
270   pVfs->xDlClose(pVfs, pHandle);  in sqlite3OsDlClose()
273 int sqlite3OsRandomness(sqlite3_vfs *pVfs, int nByte, char *zBufOut){  in sqlite3OsRandomness()  argument
280     return pVfs->xRandomness(pVfs, nByte, zBufOut);  in sqlite3OsRandomness()
284 int sqlite3OsSleep(sqlite3_vfs *pVfs, int nMicro){  in sqlite3OsSleep()  argument
285   return pVfs->xSleep(pVfs, nMicro);  in sqlite3OsSleep()
287 int sqlite3OsGetLastError(sqlite3_vfs *pVfs){  in sqlite3OsGetLastError()  argument
288   return pVfs->xGetLastError ? pVfs->xGetLastError(pVfs, 0, 0) : 0;  in sqlite3OsGetLastError()
290 int sqlite3OsCurrentTimeInt64(sqlite3_vfs *pVfs, sqlite3_int64 *pTimeOut){  in sqlite3OsCurrentTimeInt64()  argument
298   if( pVfs->iVersion>=2 && pVfs->xCurrentTimeInt64 ){  in sqlite3OsCurrentTimeInt64()
299     rc = pVfs->xCurrentTimeInt64(pVfs, pTimeOut);  in sqlite3OsCurrentTimeInt64()
302     rc = pVfs->xCurrentTime(pVfs, &r);  in sqlite3OsCurrentTimeInt64()
309   sqlite3_vfs *pVfs,  in sqlite3OsOpenMalloc()  argument
317   pFile = (sqlite3_file *)sqlite3MallocZero(pVfs->szOsFile);  in sqlite3OsOpenMalloc()
319     rc = sqlite3OsOpen(pVfs, zFile, pFile, flags, pOutFlags);  in sqlite3OsOpenMalloc()
363   sqlite3_vfs *pVfs = 0;  in sqlite3_vfs_find()  local
375   for(pVfs = vfsList; pVfs; pVfs=pVfs->pNext){  in sqlite3_vfs_find()
377     if( strcmp(zVfs, pVfs->zName)==0 ) break;  in sqlite3_vfs_find()
380   return pVfs;  in sqlite3_vfs_find()
386 static void vfsUnlink(sqlite3_vfs *pVfs){  in vfsUnlink()  argument
388   if( pVfs==0 ){  in vfsUnlink()
390   }else if( vfsList==pVfs ){  in vfsUnlink()
391     vfsList = pVfs->pNext;  in vfsUnlink()
394     while( p->pNext && p->pNext!=pVfs ){  in vfsUnlink()
397     if( p->pNext==pVfs ){  in vfsUnlink()
398       p->pNext = pVfs->pNext;  in vfsUnlink()
408 int sqlite3_vfs_register(sqlite3_vfs *pVfs, int makeDflt){  in sqlite3_vfs_register()  argument
415   if( pVfs==0 ) return SQLITE_MISUSE_BKPT;  in sqlite3_vfs_register()
420   vfsUnlink(pVfs);  in sqlite3_vfs_register()
422     pVfs->pNext = vfsList;  in sqlite3_vfs_register()
423     vfsList = pVfs;  in sqlite3_vfs_register()
425     pVfs->pNext = vfsList->pNext;  in sqlite3_vfs_register()
426     vfsList->pNext = pVfs;  in sqlite3_vfs_register()
436 int sqlite3_vfs_unregister(sqlite3_vfs *pVfs){  in sqlite3_vfs_unregister()  argument
444   vfsUnlink(pVfs);  in sqlite3_vfs_unregister()