static bool ReadFile( const RString &sPath, RString &sBuf )
{
sBuf.clear();
int fd = open( sPath, O_RDONLY );
if( fd == -1 )
{
// "No such file or directory" is understandable
if (errno != ENOENT)
LOG->Warn( "Error opening \"%s\": %s", sPath.c_str(), strerror(errno) );
return false;
}
while(1)
{
char buf[1024];
int iGot = read( fd, buf, sizeof(buf) );
if( iGot == -1 )
{
close(fd);
LOG->Warn( "Error reading \"%s\": %s", sPath.c_str(), strerror(errno) );
return false;
}
sBuf.append( buf, iGot );
if( iGot < (int) sizeof(buf) )
break;
}
close(fd);
return true;
}
u64 enoFile::readLine(RString& str, const c8 *delimiter, bool joinDelimiter)
{
RString out;
s64 readCount = 0;
u64 availBufSize;
s64 derimsearchoffset = 0;
const s64 delimLength = strlen(delimiter);
while (true) {
availBufSize = read_end-read_offset;
if (availBufSize == 0) {
if (FillBuffer() == 0) {
break;
}
continue;
}
out.append(read_offset, availBufSize);
const c8 *delimoff = mystrnstr(out.c_str()+derimsearchoffset,
delimiter,
out.size()-derimsearchoffset);
if (delimoff != nullptr) {
s64 noff = (delimoff-out.c_str());
noff+=delimLength-readCount;
read_offset += noff;
readCount = (delimoff-out.c_str())+(joinDelimiter?delimLength:0);
break;
}
readCount += availBufSize;
derimsearchoffset = readCount-delimLength;
read_offset = read_end;
}
if (readCount != 0) {
str = out.substr(0, readCount);
}
return readCount;
}
