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[DEBUG] add check on nullptr for file error prevention

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This commit is contained in:
Edouard DUPIN 2017-02-07 21:25:24 +01:00
parent f3d93713c0
commit 27bb43e322
1 changed files with 29 additions and 21 deletions
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50
etk/os/FSNode.cpp
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@ -1940,14 +1940,14 @@ std::string etk::FSNode::fileGetExtention() {
#endif
uint64_t etk::FSNode::fileSize() {
if (etk::typeNode_file != m_typeNode) {
if (m_typeNode != etk::typeNode_file) {
TK_ERROR("Request size of a non file node : " << m_typeNode);
return 0;
}
#ifdef HAVE_ZIP_DATA
if( etk::FSNType_data == m_type
|| etk::FSNType_themeData == m_type) {
if (true == loadDataZip()) {
if( m_type == etk::FSNType_data
|| m_type == etk::FSNType_themeData) {
if (loadDataZip() == true) {
return m_zipContent->getTheoricSize();
}
return 0;
@ -1956,13 +1956,13 @@ uint64_t etk::FSNode::fileSize() {
// Note : this is a proper methode to get the file size for Big files ... otherwithe the size is limited at 2^31 bytes
// tmpStat Buffer :
struct stat statProperty;
if (-1 == stat(m_systemFileName.c_str(), &statProperty)) {
if (stat(m_systemFileName.c_str(), &statProperty) == -1) {
//Normal case when the file does not exist ... ==> the it was in unknow mode ...
TK_ERROR("mlkmlkmlkmlkmlkmlk");
return 0;
}
TK_VERBOSE(" file size : " << (int64_t)statProperty.st_size << " bytes");
if ((uint64_t)statProperty.st_size<=0) {
if ((uint64_t)statProperty.st_size <= 0) {
return 0;
}
return (uint64_t)statProperty.st_size;
@ -1971,9 +1971,9 @@ uint64_t etk::FSNode::fileSize() {
bool etk::FSNode::fileOpenRead() {
#ifdef HAVE_ZIP_DATA
if( etk::FSNType_data == m_type
|| etk::FSNType_themeData == m_type) {
if (false==loadDataZip()) {
if( m_type == etk::FSNType_data
|| m_type == etk::FSNType_themeData) {
if (loadDataZip() == false) {
return false;
}
std::unique_lock<std::mutex> lock(getNodeMutex());
@ -1981,13 +1981,13 @@ bool etk::FSNode::fileOpenRead() {
return m_zipContent->getTheoricSize() == m_zipContent->size();
}
#endif
if (nullptr != m_PointerFile) {
if (m_PointerFile != nullptr) {
TK_CRITICAL("File Already open : " << *this);
return true;
}
TK_VERBOSE(" Read file : " << m_systemFileName);
m_PointerFile=fopen(m_systemFileName.c_str(),"rb");
if(nullptr == m_PointerFile) {
m_PointerFile = fopen(m_systemFileName.c_str(),"rb");
if(m_PointerFile == nullptr) {
TK_ERROR("Can not find the file " << *this );
return false;
}
@ -2000,14 +2000,14 @@ bool etk::FSNode::fileOpenWrite() {
return false;
}
#endif
if (nullptr != m_PointerFile) {
if (m_PointerFile != nullptr) {
TK_CRITICAL("File Already open : " << *this);
return true;
}
FSNODE_LOCAL_mkPath(getNameFolder().c_str() , 0777);
TK_VERBOSE(" write file : " << m_systemFileName);
m_PointerFile=fopen(m_systemFileName.c_str(),"wb");
if(nullptr == m_PointerFile) {
TK_VERBOSE("Write file : " << m_systemFileName);
m_PointerFile = fopen(m_systemFileName.c_str(),"wb");
if(m_PointerFile == nullptr) {
TK_ERROR("Can not find the file " << *this);
return false;
}
@ -2021,16 +2021,16 @@ bool etk::FSNode::fileOpenAppend() {
return false;
}
#endif
if (nullptr != m_PointerFile) {
if (m_PointerFile != nullptr) {
TK_CRITICAL("File Already open : " << *this);
return true;
}
FSNODE_LOCAL_mkPath(getNameFolder().c_str() , 0777);
TK_VERBOSE(" append file : " << m_systemFileName);
TK_VERBOSE("Append file : " << m_systemFileName);
m_PointerFile=fopen(m_systemFileName.c_str(),"ab");
if(nullptr == m_PointerFile) {
m_PointerFile = fopen(m_systemFileName.c_str(),"ab");
if(m_PointerFile == nullptr) {
TK_ERROR("Can not find the file " << *this);
return false;
}
@ -2113,7 +2113,7 @@ char* etk::FSNode::fileGets(char* _elementLine, int64_t _maxData) {
}
outSize++;
}
if (outSize==0) {
if (outSize == 0) {
return nullptr;
} else {
// send last line
@ -2164,6 +2164,10 @@ int64_t etk::FSNode::fileRead(void* _data, int64_t _blockSize, int64_t _nbBlock)
return _nbBlock;
}
#endif
if (m_PointerFile == nullptr) {
TK_ERROR("Can not read in a file that is not open : " << *this);
return 0;
}
return fread(_data, _blockSize, _nbBlock, m_PointerFile);
}
@ -2189,6 +2193,10 @@ int64_t etk::FSNode::fileWrite(const void * _data, int64_t _blockSize, int64_t _
return 0;
}
#endif
if (m_PointerFile == nullptr) {
TK_ERROR("Can not write in a file that is not open : " << *this);
return 0;
}
return fwrite(_data, _blockSize, _nbBlock, m_PointerFile);
}
/*