本文整理汇总了C++中DosFreeMem函数的典型用法代码示例。如果您正苦于以下问题：C++ DosFreeMem函数的具体用法？C++ DosFreeMem怎么用？C++ DosFreeMem使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了DosFreeMem函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: SysPutEA
unsigned long SysPutEA(unsigned char *name,
unsigned long numargs,
RXSTRING args[],
char *queuename,
RXSTRING *retstr)
{
unsigned long rc; /* Ret code */
unsigned long act; /* open action */
void *fealist; /* fealist buffer */
EAOP2 eaop; /* eaop structure */
PFEA2 pfea; /* pfea structure */
HFILE handle; /* file handle */
if (numargs != 3 || !RXVALIDSTRING(args[0]) || !RXVALIDSTRING(args[1]))
return INVALID_ROUTINE;
if (rc = DosOpen2(args[0].strptr, &handle, &act,
0L, 0, OPEN_ACTION_OPEN_IF_EXISTS,
OPEN_ACCESS_READWRITE + OPEN_SHARE_DENYWRITE +
OPEN_FLAGS_FAIL_ON_ERROR + OPEN_FLAGS_WRITE_THROUGH,
NULL)) {
RETVAL(rc)
}
if (DosAllocMem((PPVOID)&fealist, 0x00010000L, AllocFlag)) {
BUILDRXSTRING(retstr, ERROR_NOMEM);
return VALID_ROUTINE;
}
eaop.fpFEA2List = (PFEA2LIST)fealist;/* Set memory for the FEA */
eaop.fpGEA2List = NULL; /* GEA is unused */
pfea = &eaop.fpFEA2List->list[0]; /* point to first FEA */
pfea->fEA = '\0'; /* set the flags */
/* Size of FEA name field */
pfea->cbName = (BYTE)args[1].strlength;
/* Size of Value for this one */
pfea->cbValue = (SHORT)args[2].strlength;
/* Set the name of this FEA */
strcpy((PSZ)pfea->szName, args[1].strptr);
/* Set the EA value */
memcpy((PSZ)pfea->szName+(pfea->cbName+1), args[2].strptr,
args[2].strlength);
pfea->oNextEntryOffset = 0; /* no next entry */
eaop.fpFEA2List->cbList = /* Set the total size var */
sizeof(ULONG) + sizeof(FEA2) + pfea->cbName + pfea->cbValue;
/* set the file info */
rc = DosSetFileInfo(handle, 2, (PSZ)&eaop, sizeof(EAOP2));
DosClose(handle); /* Close the File */
DosFreeMem(fealist); /* Free the memory */
RETVAL(rc)
}示例2: test3
static void test3( void )
{
printf("***** Test3: Copy to source memory which is destination memory "
"of other source memory...\n");
static const char *p1Str = "6789067890";
static const char *p2Str = "1234512345";
static const char *p3Str = "1234567890";
char *p1;
char *p2;
char *p3;
DosAllocMem(( PPVOID )&p1, ALLOC_SIZE, fPERM | PAG_COMMIT );
strcpy( p1, p3Str);
p2 = copyOnWrite( p1, COPY_SIZE );
p3 = copyOnWrite( p2, COPY_SIZE );
printf("p1 = %p, p2 = %p, p3 = %p\n", p1, p2, p3 );
printf("p1 = [%s], p2 = [%s], p3 = [%s]\n", p1, p2, p3 );
printf("Copying %.5s to ( p2 + 5 )\n", p2Str );
memcpy( p2 + 5, p2Str, 5 );
printf("Copying %.5s to p1\n", p1 + 5 );
memcpy( p1, p1 + 5, 5 );
printf("p1 = [%s], p2 = [%s], p3 = [%s]\n", p1, p2, p3 );
fprintf( stderr, "Test3: ");
if( memcmp( p1, p1Str, strlen( p1Str ))
|| memcmp( p2, p2Str, strlen( p2Str ))
|| memcmp( p3, p3Str, strlen( p3Str )))
fprintf( stderr, "Failed\n");
else
fprintf( stderr, "Succeeded\n");
DosFreeMem( p3 );
DosFreeMem( p2 );
DosFreeMem( p1 );
}示例3: usalo_freebuf
static void
usalo_freebuf(SCSI *usalp)
{
if (usalp->bufbase && DosFreeMem(usalp->bufbase)) {
fprintf((FILE *)usalp->errfile,
"Cannot free buffer memory for ASPI-Router!\n"); /* Free our memory buffer if not already done */
}
if (buffer == usalp->bufbase)
buffer = NULL;
usalp->bufbase = NULL;
}示例4: _MD_MemUnmap
PRStatus _MD_MemUnmap(void *addr, PRUint32 len)
{
PRUint32 rv;
/* we just have to trust that addr & len are those used by MemMap */
rv = DosFreeMem(addr);
if (rv) {
PR_SetError(PR_INVALID_ARGUMENT_ERROR, rv);
return PR_FAILURE;
}
return PR_SUCCESS;
}示例5: main
void main(void) {
initFileTable();
initProcess(0,0);
initMemory();
APIRET rc;
PVOID pv;
rc = DosAllocSharedMem(&pv, "\\SHAREMEM\\Ivan", 8192, PAG_COMMIT|PAG_READ|PAG_WRITE);
if(rc==0)
rc = DosFreeMem(pv);
printf("rc=%d\n",rc);
}示例6: FreeRxString
// FreeRxString -- Free a REXX string.
//
// Return: none
//
void FreeRxString(
PRXSTRING rxString)
{
if (
rxString != NULL &&
rxString->strptr != NULL)
{
DosFreeMem(rxString->strptr);
rxString->strptr = NULL;
rxString->strlength = 0;
}
}示例7: ReadConfigFile
int ReadConfigFile(HWND hwnd, char szFileSpec[],char **ppBuffer)
{
ULONG ulStatus;
HFILE hFile;
FILESTATUS3 stFileInfo;
int iCount;
char szMessage[CCHMAXPATH];
APIRET rc;
if ((rc = DosOpen(szFileSpec,&hFile,&ulStatus,0L,0,1,0x0022,(PEAOP2)0L)) != 0)
{
if (hwnd != NULLHANDLE)
{
sprintf(szMessage,"Could not open %s - Error = %u",szFileSpec,rc);
MessageBox(HWND_DESKTOP,szMessage);
}
return(0);
}
DosQueryFileInfo(hFile,1,&stFileInfo,sizeof(FILESTATUS3));
iCount = stFileInfo.cbFile;
if ((rc = DosAllocMem((PVOID)ppBuffer,(iCount + 10),(PAG_COMMIT | PAG_READ | PAG_WRITE))) != NO_ERROR)
{
if (hwnd != NULLHANDLE)
{
sprintf(szMessage,"Unable to Allocate memory to read %s - %u",szFileSpec,rc);
MessageBox(HWND_DESKTOP,szMessage);
}
iCount = 0;
}
if (DosRead(hFile,(PVOID)*ppBuffer,iCount,(ULONG *)&iCount) != 0)
{
DosFreeMem(*ppBuffer);
iCount = 0;
}
else
{
/*
** ignore/remove EOF character, if present
*/
if ((*ppBuffer)[(iCount) - 1] == '\x1a')
iCount--;
/*
** Add LF and CR to end of file, if not already there
*/
if ((*ppBuffer)[iCount - 1] != '\x0a')
{
(*ppBuffer)[(iCount)++] = '\x0d';
(*ppBuffer)[(iCount)++] = '\x0a';
}
}
DosClose(hFile);
return(iCount);
}示例8: MemHeapTerm
BOOL MemHeapTerm(VOID)
{
if ( hp )
{
return !(_uclose(hp) ||
_udestroy(hp, _FORCE) ||
DosSubUnsetMem(pbasemem) ||
DosFreeMem(pbasemem));
} /* endif */
closeLogFile();
return FALSE;
}示例9: Clipper_RestoreClipboard
VOID Clipper_RestoreClipboard( VOID )
{
// Переносим в Clipboard предыдущие данные.
CHAR Mozilla_internal_format[] = "text/unicode";
PutStringIntoClipboard( Enhancer.Application,
Clipper.RTSettings.Clipboard_data_Text,
Clipper.RTSettings.Clipboard_data_UCS2,
Clipper.RTSettings.Clipboard_data_UCS2_length,
Mozilla_internal_format );
// Освобождаем память.
if( Clipper.RTSettings.Clipboard_data_Text != NULL ) { DosFreeMem( Clipper.RTSettings.Clipboard_data_Text ); Clipper.RTSettings.Clipboard_data_Text = NULL; }
if( Clipper.RTSettings.Clipboard_data_UCS2 != NULL ) { DosFreeMem( Clipper.RTSettings.Clipboard_data_UCS2 ); Clipper.RTSettings.Clipboard_data_UCS2 = NULL; }
Clipper.RTSettings.Clipboard_data_Text_length = 0;
Clipper.RTSettings.Clipboard_data_UCS2_length = 0;
// Возврат.
return;
}示例10: _MD_MemMap
void * _MD_MemMap(PRFileMap *fmap, PROffset64 offset, PRUint32 len)
{
PRUint32 rv;
void *addr;
/* prevent mappings beyond EOF + remainder of page */
if (offset + len > fmap->md.maxExtent) {
PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
return NULL;
}
if (PR_Seek64(fmap->fd, offset, PR_SEEK_SET) == -1) {
return NULL;
}
/* try for high memory, fall back to low memory if hi-mem fails */
#if defined(MOZ_OS2_HIGH_MEMORY)
rv = DosAllocMem(&addr, len, OBJ_ANY | PAG_COMMIT | PAG_READ | PAG_WRITE);
if (rv)
#endif
{
rv = DosAllocMem(&addr, len, PAG_COMMIT | PAG_READ | PAG_WRITE);
if (rv) {
PR_SetError(PR_OUT_OF_MEMORY_ERROR, rv);
return NULL;
}
}
if (PR_Read(fmap->fd, addr, len) == -1) {
DosFreeMem(addr);
return NULL;
}
/* don't permit writes if readonly */
if (fmap->prot == PR_PROT_READONLY) {
rv = DosSetMem(addr, len, PAG_READ);
if (rv) {
DosFreeMem(addr);
PR_SetError(PR_UNKNOWN_ERROR, rv);
return NULL;
}
}
return addr;
}示例11: helpProc
MRESULT EXPENTRY helpProc( HWND hwndDlg, ULONG msg,
MPARAM mp1, MPARAM mp2 )
{
LONG bytes;
IPT ipt;
switch ( msg )
{
case WM_INITDLG:
WinSendMsg (WinWindowFromID(hwndDlg, ID_HELPENTRY),
MLM_SETTEXTLIMIT,
MPFROMLONG (30000L), (MPARAM) 0L);
WinSendMsg(WinWindowFromID(hwndDlg, ID_HELPENTRY),
MLM_SETTEXTCOLOR,
MPFROMLONG (CLR_DARKBLUE), 0L);
WinSendMsg(WinWindowFromID(hwndDlg, ID_HELPENTRY),
MLM_SETBACKCOLOR,
MPFROMLONG (CLR_WHITE), 0L);
bytes = loadFile("DataPad.DOC");
if( bytes <= 0 )
{
DosFreeMem(iobuf);
WinDismissDlg( hwndDlg, TRUE );
}
WinSendMsg(WinWindowFromID(hwndDlg, ID_HELPENTRY),
MLM_SETIMPORTEXPORT,
(MPARAM) iobuf,
MPFROMLONG(bytes));
ipt = -1;
WinSendMsg(WinWindowFromID(hwndDlg, ID_HELPENTRY),
MLM_IMPORT,
(MPARAM)&ipt,
MPFROMLONG(bytes));
DosFreeMem(iobuf);
return WinDefDlgProc( hwndDlg, msg, mp1, mp2 );
default :
return WinDefDlgProc( hwndDlg, msg, mp1, mp2 );
}
}示例12: test6
static void test6( void )
{
printf("***** Test6: Decommit source memory...\n");
static const char *p2Str = "6789067890";
static const char *p3Str = "1234567890";
char *p1;
char *p2;
char *p3;
DosAllocMem(( PPVOID )&p1, ALLOC_SIZE, fPERM | PAG_COMMIT );
strcpy( p1, p3Str);
p2 = copyOnWrite( p1, COPY_SIZE );
p3 = copyOnWrite( p2, COPY_SIZE );
printf("p1 = %p, p2 = %p, p3 = %p\n", p1, p2, p3 );
printf("p1 = [%s], p2 = [%s], p3 = [%s]\n", p1, p2, p3 );
printf("Decommiting p1\n");
printf("DosSetMem( p1 ) = %ld\n",
DosSetMem( p1, ALLOC_SIZE, PAG_DECOMMIT ));
printf("Copying %.5s to p2\n", p2 + 5 );
memcpy( p2, p2 + 5, 5 );
printf("p2 = [%s], p3 = [%s]\n", p2, p3 );
fprintf( stderr, "Test6: ");
if( memcmp( p2, p2Str, strlen( p2Str ))
|| memcmp( p3, p3Str, strlen( p3Str )))
fprintf( stderr, "Failed\n");
else
fprintf( stderr, "Succeeded\n");
DosFreeMem( p3 );
DosFreeMem( p2 );
DosFreeMem( p1 );
}示例13: CBZSave
//save current settings to the given ini file
BOOL CBZSave(HINI hIni, char szClass[], PVOID pData, char szCustomName[])
{
PLUGINSHARE *pPluginShare;
char szShareName[32];
char szSaveName[128];
pPluginShare = (PLUGINSHARE *) pData;
//if null, this is a default apply, so load shared memory.
if (pPluginShare == NULL)
{
strcpy(szShareName, PLUGIN_SHARE);
strcat(szShareName, szClass);
// if shared mem is not available, try allocating temporary space!
if (DosGetNamedSharedMem((PPVOID) & pPluginShare, szShareName, PAG_READ | PAG_WRITE) != NO_ERROR)
{
//try Allocating temporary space for the plugin data so we can write to the ini file
if (DosAllocMem((PPVOID) & pPluginShare,
sizeof(PLUGINSHARE),
PAG_READ | PAG_WRITE | PAG_COMMIT) != NO_ERROR)
return (FALSE); //No Good... can't save.
}
//write pPluginShare to the ini file!
strcpy(szSaveName, szClass);
strcat(szSaveName, "_CBZLINESPlugin");
PrfWriteProfileData(hIni,
"UserOptionsData",
szSaveName,
pPluginShare,
sizeof(PLUGINSHARE));
DosFreeMem(pPluginShare);
}
else
{
strcpy(szSaveName, szCustomName);
strcat(szSaveName, "_");
strcat(szSaveName, szClass);
strcat(szSaveName, "_CBZLINESPlugin");
PrfWriteProfileData(hIni,
"CustomOptionsData",
szSaveName,
pPluginShare,
sizeof(PLUGINSHARE));
}
return (TRUE);
}示例14: load
/*@ XBitmap :: ReleaseFilterStruct (XBitmapFilter * params)
@group loading/saving a bitmap
@remarks Released bitmap-filters created by XBitmap :: GetImportFilter/GetExportFilter and XGLibFileDialog
@parameters <t 'ø' c=2>
øchar * filename øfilename of the file to load (later)
<\t>
@exceptions If the method fails to create a new bitmap an exception of the type XException is thrown.
*/
void XBitmap :: ReleaseFilterStruct (XBitmapFilter * params) {
int n;
if(params)
{
if (BFT_TIFF == params->cFilterID)
for (n = 0; n < BFP_TIFF_TAGCOUNT; n++) {
free (((XTIFFExportFilter*) params)->pszTagValue [n]);
((XTIFFExportFilter*) params)->pszTagValue [n] = NULL;
}
DosFreeMem (params);
} /* end if */
params = NULL;
}示例15: return
char *PSBMLoadBitmapFile( char *pszFileName, GBM *pgbm, GBMRGB *pgbmrgb )
{
HFILE hBMPFile;
ULONG ulNewFile;
ULONG ulStride;
ULONG cbData;
char *pchData;
if( DosOpen( pszFileName,
&hBMPFile,
&ulNewFile,
0L,
FILE_NORMAL,
OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS,
OPEN_SHARE_DENYWRITE | OPEN_ACCESS_READONLY,
NULL ) != 0L )
{
return( NULL );
}
if( GBMReadBMPHeader( hBMPFile, pgbm ) != TRUE ) // read bmp header
{
DosClose( hBMPFile );
return( NULL );
}
if( GBMReadPalette( hBMPFile, pgbm, pgbmrgb ) != TRUE ) // read bmp palette
{
DosClose( hBMPFile );
return( NULL );
}
ulStride = ( ( pgbm->w * pgbm->bpp + 31 ) / 32 ) * 4; // calculate size of data and alloc it
cbData = pgbm->h * ulStride;
if( DosAllocMem( ( PPVOID )&pchData, cbData, PAG_READ | PAG_WRITE | PAG_COMMIT ) != 0 )
{
DosClose( hBMPFile );
return( NULL );
}
if( GBMReadData( hBMPFile, pgbm, pchData ) != TRUE ) // read it in
{
DosFreeMem( pchData );
DosClose( hBMPFile );
return( NULL );
}
DosClose( hBMPFile );
return( pchData );
}