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Overview
| Comment: | Memory reallocation fix for the Win32 VFS for lsm1. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
5a3140e4dedace6de4366a3c52e41b81 |
| User & Date: | mistachkin 2017-07-07 16:06:30 |
Context
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2017-07-07
| ||
| 16:09 | In lsmtest, use an empty string instead of ":memory:" when requesting a temporary database from SQLite. This prevents other test code from trying to unlink() ":memory:", which fails on win32. check-in: 281ad505 user: dan tags: trunk | |
| 16:07 | Remove a block from the Win32 VFS for lsm1 that is now superfluous. check-in: db4a4140 user: mistachkin tags: trunk | |
| 16:06 | Memory reallocation fix for the Win32 VFS for lsm1. check-in: 5a3140e4 user: mistachkin tags: trunk | |
| 16:00 | Enhance the sqlite3VdbeMultiLoad() interface to automatically generate the OP_ResultRow opcode on PRAGMA implementations, for a small reduction in the library footprint. check-in: c46f0f07 user: drh tags: trunk | |
Changes
Changes to ext/lsm1/lsm_win32.c.
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int rc = LSM_OK;
Win32File *pWin32File;
pWin32File = lsmMallocZero(pEnv, sizeof(Win32File));
if( pWin32File==0 ){
rc = LSM_NOMEM_BKPT;
}else{
HANDLE hFile;
rc = win32Open(pEnv, zFile, flags, &hFile);
if( rc==LSM_OK ){
memset(&pWin32File->sysInfo, 0, sizeof(SYSTEM_INFO));
GetSystemInfo(&pWin32File->sysInfo);
pWin32File->pEnv = pEnv;
pWin32File->zName = zFile;
................................................................................
if( fileSize.QuadPart<nReq ){
rc = win32Truncate(pWin32File->hShmFile, nReq);
if( rc!=LSM_OK ){
return rc;
}
}
ahNew = (LPHANDLE)lsmRealloc(pWin32File->pEnv, pWin32File->ahShm,
sizeof(LPHANDLE) * nNew);
if( !ahNew ) return LSM_NOMEM_BKPT;
apNew = (LPVOID *)lsmRealloc(pWin32File->pEnv, pWin32File->apShm,
sizeof(LPVOID) * nNew);
if( !apNew ){
lsmFree(pWin32File->pEnv, ahNew);
return LSM_NOMEM_BKPT;
}
for(i=pWin32File->nShm; i<nNew; i++){
ahNew[i] = NULL;
apNew[i] = NULL;
}
pWin32File->ahShm = ahNew;
pWin32File->apShm = apNew;
pWin32File->nShm = nNew;
}
if( pWin32File->ahShm[iChunk]==NULL ){
HANDLE hMap;
assert( nReq<=0xFFFFFFFF );
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int rc = LSM_OK;
Win32File *pWin32File;
pWin32File = lsmMallocZero(pEnv, sizeof(Win32File));
if( pWin32File==0 ){
rc = LSM_NOMEM_BKPT;
}else{
HANDLE hFile = NULL;
rc = win32Open(pEnv, zFile, flags, &hFile);
if( rc==LSM_OK ){
memset(&pWin32File->sysInfo, 0, sizeof(SYSTEM_INFO));
GetSystemInfo(&pWin32File->sysInfo);
pWin32File->pEnv = pEnv;
pWin32File->zName = zFile;
................................................................................
if( fileSize.QuadPart<nReq ){
rc = win32Truncate(pWin32File->hShmFile, nReq);
if( rc!=LSM_OK ){
return rc;
}
}
ahNew = (LPHANDLE)lsmMallocZero(pWin32File->pEnv, sizeof(LPHANDLE) * nNew);
if( !ahNew ) return LSM_NOMEM_BKPT;
apNew = (LPVOID *)lsmMallocZero(pWin32File->pEnv, sizeof(LPVOID) * nNew);
if( !apNew ){
lsmFree(pWin32File->pEnv, ahNew);
return LSM_NOMEM_BKPT;
}
memcpy(ahNew, pWin32File->ahShm, pWin32File->nShm);
memcpy(apNew, pWin32File->apShm, pWin32File->nShm);
for(i=pWin32File->nShm; i<nNew; i++){
ahNew[i] = NULL;
apNew[i] = NULL;
}
lsmFree(pWin32File->pEnv, pWin32File->ahShm);
pWin32File->ahShm = ahNew;
lsmFree(pWin32File->pEnv, pWin32File->apShm);
pWin32File->apShm = apNew;
pWin32File->nShm = nNew;
}
if( pWin32File->ahShm[iChunk]==NULL ){
HANDLE hMap;
assert( nReq<=0xFFFFFFFF );
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