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Added DTSC::File error checking

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Thulinma 2013-11-21 13:34:01 +01:00
parent ca1ec8707a
commit 071cba94f9
2 changed files with 9 additions and 0 deletions
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8
lib/dtsc.cpp
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@ -575,11 +575,19 @@ DTSC::File & DTSC::File::operator =(const File & rhs){
memcpy(buffer, rhs.buffer, 4); memcpy(buffer, rhs.buffer, 4);
} }
DTSC::File::operator bool() const{
return F;
}
/// Open a filename for DTSC reading/writing. /// Open a filename for DTSC reading/writing.
/// If create is true and file does not exist, attempt to create. /// If create is true and file does not exist, attempt to create.
DTSC::File::File(std::string filename, bool create){ DTSC::File::File(std::string filename, bool create){
if (create){ if (create){
F = fopen(filename.c_str(), "w+b"); F = fopen(filename.c_str(), "w+b");
if(!F){
std::cerr << "Could not create file" << filename << ": " << strerror(errno) << std::endl;
return;
}
//write an empty header //write an empty header
fseek(F, 0, SEEK_SET); fseek(F, 0, SEEK_SET);
fwrite(DTSC::Magic_Header, 4, 1, F); fwrite(DTSC::Magic_Header, 4, 1, F);

1
lib/dtsc.h
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@ -60,6 +60,7 @@ namespace DTSC {
File(const File & rhs); File(const File & rhs);
File(std::string filename, bool create = false); File(std::string filename, bool create = false);
File & operator = (const File & rhs); File & operator = (const File & rhs);
operator bool() const;
~File(); ~File();
JSON::Value & getMeta(); JSON::Value & getMeta();
long long int getLastReadPos(); long long int getLastReadPos();