本文整理汇总了C++中FileRead函数的典型用法代码示例。如果您正苦于以下问题:C++ FileRead函数的具体用法?C++ FileRead怎么用?C++ FileRead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FileRead函数的20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,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: ShowMessage
//---------------------------------------------------------------------------
void __fastcall TMainForm::LabeledEditKeyDown(TObject *Sender, WORD &Key, TShiftState Shift){
if (Key !=0x0D) return;
RichEditPrintTicket->Clear();
LabeledEdit->ReadOnly =true;
AnsiString binFileStr =controller->config->BinFileDir +"ticket\\" +LabeledEdit->Text +".bin";
if (!FileExists(binFileStr)){
ShowMessage("票号搞错了吧,没有找到这张票的数据,重新输入吧!");
return;
}
int hBinFile = FileOpen(binFileStr, fmOpenRead);
char bin[16384] ={0};
int nRead =FileRead(hBinFile, bin, sizeof(bin));
//解密文件
char *srcBin =new char[nRead];
controller->Decrypt(bin, nRead, srcBin);
FileClose(hBinFile);
char stubTxt[16384] ={0};
//借用个对象,计算一下
if (controller->terminalGroup->Count ==0) return;
CTerminal *terminal =(CTerminal *)controller->terminalGroup->Objects[0];
terminal->ParserVerifyStub(nRead, srcBin, stubTxt);
delete srcBin;
//显示票根,转换一下,避免单行超过1024字节,控件限制的错误
TStringList *text =new TStringList();
text->Text =AnsiString(stubTxt);
RichEditPrintTicket->Clear();
RichEditPrintTicket->Lines->AddStrings(text);
RichEditPrintTicket->Perform(WM_VSCROLL, SB_TOP, 0); //光标归位,免得滚下去难看
delete text;
SpeedButtonPrinterPrint->Enabled =true;
}
开发者ID:limitee,项目名称:bot,代码行数:32,代码来源:TicketCenterNodeApp.cpp
示例2: ReadInFoodOpinionStats
BOOLEAN ReadInFoodOpinionStats(STR fileName)
{
HWFILE hFile;
UINT32 uiBytesRead;
UINT32 uiFSize;
CHAR8 * lpcBuffer;
XML_Parser parser = XML_ParserCreate(NULL);
foodopinionParseData pData;
DebugMsg(TOPIC_JA2, DBG_LEVEL_3, "Loading FoodOpinion.xml" );
// Open file
hFile = FileOpen( fileName, FILE_ACCESS_READ, FALSE );
// if the file does not exist, exit
// Flugente: no need to quit the game if the xml does not exist - this data just won't be there, but the game will still work
if ( !hFile )
return( TRUE );
uiFSize = FileGetSize(hFile);
lpcBuffer = (CHAR8 *) MemAlloc(uiFSize+1);
//Read in block
if ( !FileRead( hFile, lpcBuffer, uiFSize, &uiBytesRead ) )
{
MemFree(lpcBuffer);
return( FALSE );
}
lpcBuffer[uiFSize] = 0; //add a null terminator
FileClose( hFile );
XML_SetElementHandler(parser, foodopinionStartElementHandle, foodopinionEndElementHandle);
XML_SetCharacterDataHandler(parser, foodopinionCharacterDataHandle);
memset(&pData,0,sizeof(pData));
pData.curArray = FoodOpinions;
pData.maxArraySize = NUM_PROFILES;
XML_SetUserData(parser, &pData);
if(!XML_Parse(parser, lpcBuffer, uiFSize, TRUE))
{
CHAR8 errorBuf[511];
sprintf(errorBuf, "XML Parser Error in FoodOpinion.xml: %s at line %d", XML_ErrorString(XML_GetErrorCode(parser)), XML_GetCurrentLineNumber(parser));
LiveMessage(errorBuf);
MemFree(lpcBuffer);
return FALSE;
}
MemFree(lpcBuffer);
XML_ParserFree(parser);
return( TRUE );
}
开发者ID:fedya,项目名称:ja2_v1.13,代码行数:60,代码来源:XML_FoodOpinions.cpp
示例3: BufFileLoadBuffer
/*
* BufFileLoadBuffer
*
* Load some data into buffer, if possible, starting from curOffset.
* At call, must have dirty = false, pos and nbytes = 0.
* On exit, nbytes is number of bytes loaded.
*/
static int BufFileLoadBuffer(BufFile *file, void* buffer, size_t bufsize)
{
int nb;
/*
* May need to reposition physical file.
*/
if (FileSeek(file->file, file->offset, SEEK_SET) != file->offset)
{
elog(ERROR, "could not seek in temporary file: %m");
}
/*
* Read whatever we can get, up to a full bufferload.
*/
nb = FileRead(file->file, buffer, (int)bufsize);
if (nb < 0)
{
elog(ERROR, "could not read from temporary file: %m");
}
/* we choose not to advance curOffset here */
return nb;
}
开发者ID:AnLingm,项目名称:gpdb,代码行数:32,代码来源:buffile.c
示例4: UploadKickstart
//// UploadKickstart() ////
char UploadKickstart(char *name)
{
int keysize=0;
char filename[12];
strncpy(filename, name, 8); // copy base name
strcpy(&filename[8], "ROM"); // add extension
BootPrint("Checking for Amiga Forever key file:");
if(FileOpen(&file,"ROM KEY")) {
keysize=file.size;
if(file.size<sizeof(romkey)) {
int c=0;
while(c<keysize) {
FileRead(&file, &romkey[c]);
c+=512;
FileNextSector(&file);
}
BootPrint("Loaded Amiga Forever key file");
} else {
BootPrint("Amiga Forever keyfile is too large!");
}
}
BootPrint("Loading file: ");
BootPrint(filename);
if (RAOpen(&romfile, filename)) {
if (romfile.size == 0x100000) {
// 1MB Kickstart ROM
BootPrint("Uploading 1MB Kickstart ...");
SendFileV2(&romfile, NULL, 0, 0xe00000, romfile.size>>10);
SendFileV2(&romfile, NULL, 0, 0xf80000, romfile.size>>10);
return(1);
} else if(romfile.size == 0x80000) {
开发者ID:UIKit0,项目名称:mist-firmware,代码行数:35,代码来源:config.c
示例5: getSystemVersion
void getSystemVersion()
{
File VersionFile;
char sysver[16];
if (FileOpen(&VersionFile, "/3ds/ASCFW/system.txt", 0)){
FileRead(&VersionFile, sysver, 16, 0);
FileClose(&VersionFile);
}
switch (sysver[0])
{
case '0': //Unsupported
systemVersion = "unsupported"; type = 0;
break;
case '1':
systemVersion = "Old 3DS V. 4.1 - 4.5";
type = 1;
break;
case '2':
systemVersion = "Old 3DS V. 8.0 - 8.1";
type = 2;
break;
case '3':
systemVersion = "Old 3DS V. 9.0-9.2";
type = 3;
break;
case '4':
systemVersion = "New 3DS V. 9.0 - 9.2";
type = 4;
break;
}
}
开发者ID:AlbertoSONIC,项目名称:3DS_ASCFW,代码行数:35,代码来源:main.c
示例6: GetSysFreeMem
// returns no of bytes of free memory conform to sysinfo call
// return 0 if error occured
//we need /proc/meminfo for cached, which is not reported by sysinfo
int GetSysFreeMem( void )
{
#ifdef CYG
return 0;
#else
char szData[1024];
int nLen = FileRead("/proc/meminfo", szData, sizeof(szData) - 1);
if (nLen<=0)
{ return -1;
}
szData[nLen] = 0;
struct sysinfo inf;
if ( sysinfo( &inf) )
{
LOG_ERR("ERROR GetSysFreeMem");
inf.freeram=0;
}
struct statfs buf;
long long nTmpUsed = 0;
if( statfs( "/tmp", &buf)) {
LOG_ERR( "GetSysFreeMem: statfs( \"tmp\") failed");
}else{
nTmpUsed= (buf.f_blocks-buf.f_bavail) * (long long) buf.f_bsize;
}
return inf.freeram * inf.mem_unit +
( GetFreeMemFor( szData, "Buffers:") + GetFreeMemFor( szData, "Cached:")) * 1024 - nTmpUsed;
#endif
}
开发者ID:dndusdndus12,项目名称:ISA100.11a-Gateway-1,代码行数:38,代码来源:Utils.cpp
示例7: LOG_ERR
CIsa100Impl::SystemStatus* CIsa100Impl::getSystemStatus( void )
{
struct sysinfo inf;
struct statfs buf;
if ( sysinfo( &inf) )
{
LOG_ERR("ERROR getSystemStatus: sysinfo");
inf.freeram = inf.totalram = 0;
}
if( statfs( "/access_node/", &buf))
{
LOG_ERR("ERROR getSystemStatus: statfs");
buf.f_blocks = buf.f_bavail = buf.f_bsize = 0;
}
doProcessorStats();
int nLen = FileRead("/proc/loadavg", m_systemStatus.load, sizeof(m_systemStatus.load) - 1);
if (nLen<=0)
{ nLen =0;
}
m_systemStatus.load[ nLen ] = 0;
m_systemStatus.sysMemTotalKb = inf.totalram / 1024;
m_systemStatus.sysMemFreeKb = inf.freeram / 1024;
m_systemStatus.sysFlashTotalKb = buf.f_blocks * buf.f_bsize / 1024;
m_systemStatus.sysFlashFreeKb = buf.f_bavail * buf.f_bsize / 1024;
return &m_systemStatus;
}
开发者ID:irares,项目名称:WirelessHart-Gateway,代码行数:32,代码来源:Isa100Impl.cpp
示例8: while
char *FileGets( char *string, int num, FHANDLE fh )
{
char c;
int ret = 0;
int i = 0;
while( i < num ) {
ret = FileRead( fh, &c, 1 );
if( ret < 1 )
break;
string[i] = c;
i++;
if( c == '\n' )
break;
}
if( (i >= 2 ) && string[ i - 2 ] == '\r' ) {
string[ i - 2 ] = '\n';
string[ i - 1 ] = '\0';
}
else {
string[i] = '\0';
}
if( ret < 1 )
return NULL;
return string;
}
开发者ID:smiley22,项目名称:myPS2,代码行数:32,代码来源:file.c
示例9: IsSTCIETRLEFile
BOOLEAN IsSTCIETRLEFile( CHAR8 * ImageFile )
{
HWFILE hFile;
STCIHeader Header;
UINT32 uiBytesRead;
CHECKF( FileExists( ImageFile ) );
// Open the file and read the header
hFile = FileOpen( ImageFile, FILE_ACCESS_READ, FALSE );
CHECKF( hFile );
if (!FileRead( hFile, &Header, STCI_HEADER_SIZE, &uiBytesRead ) || uiBytesRead != STCI_HEADER_SIZE || memcmp( Header.cID, STCI_ID_STRING, STCI_ID_LEN ) != 0 )
{
DbgMessage( TOPIC_HIMAGE, DBG_LEVEL_3, "Problem reading STCI header." );
FileClose( hFile );
return( FALSE );
}
FileClose( hFile );
if (Header.fFlags & STCI_ETRLE_COMPRESSED)
{
return( TRUE );
}
else
{
return( FALSE );
}
}
开发者ID:RadekSimkanic,项目名称:JA2-1.13,代码行数:28,代码来源:STCI.cpp
示例10: ConnWriteFromFile
abyss_bool
ConnWriteFromFile(TConn * const connectionP,
TFile * const fileP,
uint64_t const start,
uint64_t const last,
void * const buffer,
uint32_t const buffersize,
uint32_t const rate) {
/*----------------------------------------------------------------------------
Write the contents of the file stream *fileP, from offset 'start'
up through 'last', to the HTTP connection *connectionP.
Meter the reading so as not to read more than 'rate' bytes per second.
Use the 'bufferSize' bytes at 'buffer' as an internal buffer for this.
-----------------------------------------------------------------------------*/
abyss_bool retval;
uint32_t waittime;
abyss_bool success;
uint32_t readChunkSize;
if (rate > 0) {
readChunkSize = MIN(buffersize, rate); /* One second's worth */
waittime = (1000 * buffersize) / rate;
} else {
readChunkSize = buffersize;
waittime = 0;
}
success = FileSeek(fileP, start, SEEK_SET);
if (!success)
retval = FALSE;
else {
uint64_t const totalBytesToRead = last - start + 1;
uint64_t bytesread;
bytesread = 0; /* initial value */
while (bytesread < totalBytesToRead) {
uint64_t const bytesLeft = totalBytesToRead - bytesread;
uint64_t const bytesToRead = MIN(readChunkSize, bytesLeft);
uint64_t bytesReadThisTime;
bytesReadThisTime = FileRead(fileP, buffer, bytesToRead);
bytesread += bytesReadThisTime;
if (bytesReadThisTime > 0)
ConnWrite(connectionP, buffer, bytesReadThisTime);
else
break;
if (waittime > 0)
xmlrpc_millisecond_sleep(waittime);
}
retval = (bytesread >= totalBytesToRead);
}
return retval;
}
开发者ID:austin98x,项目名称:opensips,代码行数:59,代码来源:abyss_conn.c
示例11: LoadSettings
void LoadSettings(){
char settings[]="000100";
char str[100];
File MyFile;
if (FileOpen(&MyFile, "/rxTools/data/system.txt", 0))
{
if (FileGetSize(&MyFile) == 6)
{
FileRead(&MyFile, settings, 6, 0);
bootGUI = (settings[0] == '1');
agb_bios = (settings[2] == '1');
theme_3d = (settings[3] == '1');
silent_boot = (settings[4] == '1');
/* Disable autostart after the first boot */
if (first_boot && !bootGUI) bootGUI = true;
/* Check if the Theme Number is valid */
unsigned char theme_num = (settings[0] - 0x30);
if (theme_num >= 0 && theme_num <= 9)
{
File Menu0;
sprintf(str, "/rxTools/Theme/%c/menu0.bin", settings[1]);
if (FileOpen(&Menu0, str, 0))
{
Theme = settings[1]; //check if the theme exists, else load theme 0 (default)
FileClose(&Menu0);
} else
Theme = '0';
} else {
Theme = '0';
FileWrite(&MyFile, &Theme, 1, 1);
}
/* Check if the Language Number is valid */
if(settings[5] - 0x30 >= 0 && settings[5] - 0x30 <= N_LANG)
language = settings[5] - 0x30;
else
language = 0;
FileClose(&MyFile);
return;
} else {
FileClose(&MyFile);
}
}
/* Disable autostart after the first boot */
bootGUI = first_boot;
Theme = '0';
agb_bios = false;
/* Create system.txt */
if (FileOpen(&MyFile, "/rxTools/data/system.txt", 1))
{
FileWrite(&MyFile, settings, 6, 0);
FileClose(&MyFile);
}
}
开发者ID:Golui,项目名称:rxTools,代码行数:59,代码来源:main.c
示例12: lo_import_internal
static Oid
lo_import_internal(text *filename, Oid lobjOid)
{
File fd;
int nbytes,
tmp;
char buf[BUFSIZE];
char fnamebuf[MAXPGPATH];
LargeObjectDesc *lobj;
Oid oid;
#ifndef ALLOW_DANGEROUS_LO_FUNCTIONS
if (!superuser())
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("must be superuser to use server-side lo_import()"),
errhint("Anyone can use the client-side lo_import() provided by libpq.")));
#endif
CreateFSContext();
/*
* open the file to be read in
*/
text_to_cstring_buffer(filename, fnamebuf, sizeof(fnamebuf));
fd = PathNameOpenFile(fnamebuf, O_RDONLY | PG_BINARY, S_IRWXU);
if (fd < 0)
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not open server file \"%s\": %m",
fnamebuf)));
/*
* create an inversion object
*/
oid = inv_create(lobjOid);
/*
* read in from the filesystem and write to the inversion object
*/
lobj = inv_open(oid, INV_WRITE, fscxt);
while ((nbytes = FileRead(fd, buf, BUFSIZE)) > 0)
{
tmp = inv_write(lobj, buf, nbytes);
Assert(tmp == nbytes);
}
if (nbytes < 0)
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not read server file \"%s\": %m",
fnamebuf)));
inv_close(lobj);
FileClose(fd);
return oid;
}
开发者ID:GisKook,项目名称:Gis,代码行数:59,代码来源:be-fsstubs.c
示例13: RARead
int RARead(RAFile *file,unsigned char *pBuffer, unsigned long bytes)
{
int result=1;
// Since we can only read from the SD card on 512-byte aligned boundaries,
// we need to copy in multiple pieces.
unsigned long blockoffset=file->ptr&511; // Offset within the current 512 block at which the previous read finished
// Bytes blockoffset to 512 will be drained first, before reading new data.
if(blockoffset) // If blockoffset is zero we'll just use aligned reads and don't need to drain the buffer.
{
int i;
int l=bytes;
if(l>512)
l=512;
for(i=blockoffset;i<l;++i)
{
*pBuffer++=file->buffer[i];
}
file->ptr+=l-blockoffset;
bytes-=l-blockoffset;
}
// We've now read any bytes left over from a previous read. If any data remains to be read we can read it
// in 512-byte aligned chunks, until the last block.
while(bytes>511)
{
result&=FileRead(&file->file,pBuffer); // Read direct to pBuffer
FileNextSector(&file->file);
bytes-=512;
file->ptr+=512;
pBuffer+=512;
}
if(bytes) // Do we have any bytes left to read?
{
int i;
result&=FileRead(&file->file,file->buffer); // Read to temporary buffer, allowing us to preserve any leftover for the next read.
FileNextSector(&file->file);
for(i=0;i<bytes;++i)
{
*pBuffer++=file->buffer[i];
}
file->ptr+=bytes;
}
return(result);
}
开发者ID:EgoIncarnate,项目名称:mist-board,代码行数:46,代码来源:rafile.c
示例14: palm_fread
/*============================================================================
Description: See documentation for standard C library fread
==========================================================================*/
size_t palm_fread( void* out_buf, size_t in_size, size_t in_count, PALM_FILE* io_pSF )
{
Err err = 0;
ChASSERT(io_pSF->volRef == ((UInt16)-1));
return FileRead( io_pSF->file.fh, out_buf, in_size, in_count, &err );
}
开发者ID:killbug2004,项目名称:WSProf,代码行数:13,代码来源:ChFileIO.cpp
示例15: FileGetc
int FileGetc( FHANDLE fh )
{
char c;
FileRead( fh, &c, 1 );
return c;
}
开发者ID:smiley22,项目名称:myPS2,代码行数:8,代码来源:file.c
示例16: FileSeek
// Return AAL_OK if chunk is found //
aalSBool ChunkFile::Find(const char * id)
{
aalUByte cc[4];
FileSeek(file, offset, SEEK_CUR);
while (FileRead(cc, 4, 1, file))
{
if (!FileRead(&offset, 4, 1, file)) return AAL_SFALSE;
if (!memcmp(cc, id, 4)) return AAL_STRUE;
if (FileSeek(file, offset, SEEK_CUR)) return AAL_SFALSE;
}
return AAL_SFALSE;
}
开发者ID:OpenSourcedGames,项目名称:Arx-Fatalis,代码行数:18,代码来源:Athena_Stream_WAV.cpp
示例17: FromString
/**
* @brief Takes a JSON document file path and parses its contents into a JsonDocument.
*
* Returns true iff successfull.
*/
bool JsonProcessor::FromFile (const std::string& fn, JsonDocument& document)
{
if (!FileExists(fn)) {
LOG_WARN << "JSON file '" << fn << "' does not exist.";
return false;
}
return FromString(FileRead(fn), document);
}
开发者ID:daviddao,项目名称:genesis,代码行数:13,代码来源:json_processor.cpp
示例18: Read
///////////////////////////////////////////////////////////////////////////////
// //
// I/O //
// //
///////////////////////////////////////////////////////////////////////////////
// Read! //
aalSBool ChunkFile::Read(aalVoid * buffer, const aalULong & size)
{
if (FileRead(buffer, 1, size, file) != size) return AAL_SFALSE;
if (offset) offset -= size;
return AAL_STRUE;
}
开发者ID:OpenSourcedGames,项目名称:Arx-Fatalis,代码行数:14,代码来源:Athena_Stream_WAV.cpp
示例19: FromString
/**
* @brief Reads a file and parses it as a Jplace document into a PlacementMap object.
*
* Returns true iff successful.
*/
bool JplaceProcessor::FromFile (const std::string& fn, PlacementMap& placements)
{
if (!FileExists(fn)) {
LOG_WARN << "Jplace file '" << fn << "' does not exist.";
return false;
}
return FromString(FileRead(fn), placements);
}
开发者ID:daviddao,项目名称:genesis,代码行数:13,代码来源:jplace_processor.cpp
示例20: ConfReadLine
static bool
ConfReadLine(TFile * const fileP,
char * const buffer,
uint32_t const lenArg) {
bool r;
char c;
char * p;
char * z;
uint32_t len;
len = lenArg; /* initial value */
r = TRUE; /* initial value */
z = buffer; /* initial value */
while (--len > 0) {
int32_t bytesRead;
bytesRead = FileRead(fileP, z, 1);
if (bytesRead < 1) {
if (z == buffer)
r = FALSE;
break;
};
if (*z == CR || *z == LF)
break;
++z;
}
if (len == 0)
while (FileRead(fileP, &c, 1) == 1)
if (c == CR || c == LF)
break;
*z = '\0';
/* Discard comments */
p = strchr(buffer, '#');
if (p)
*p = '\0';
return r;
}
开发者ID:BehnamEmamian,项目名称:openholdembot,代码行数:45,代码来源:conf.c
注:本文中的FileRead函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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