/**
** CLseek Library file seek
**
** @param file CLFile pointer.
** @param offset Seek position
** @param whence How to seek
*/
global int CLseek(CLFile *file, long offset, int whence)
{
int tp, ret = -1;
if (file && (tp = file->cl_type) != CLF_TYPE_INVALID) {
if (tp == CLF_TYPE_PLAIN) {
ret = fseek(file->cl_plain, offset, whence);
}
#ifdef USE_ZLIB
if (tp == CLF_TYPE_GZIP) {
ret = gzseek(file->cl_gz, offset, whence);
}
#endif // USE_ZLIB
#ifdef USE_BZ2LIB
if (tp == CLF_TYPE_BZIP2) {
bzseek(file->cl_bz, offset, whence);
ret = 0;
}
#endif // USE_BZ2LIB
#ifdef USE_ZZIPLIB
if (tp == CLF_TYPE_ZZIP) {
zzip_seek(file->cl_zz, offset, whence);
ret = 0;
}
#endif // USE_ZZIPLIB
} else {
errno = EBADF;
}
return ret;
}
int CFile::PImpl::seek(long offset, int whence)
{
int ret = -1;
int tp = cl_type;
if (tp != CLF_TYPE_INVALID) {
if (tp == CLF_TYPE_PLAIN) {
ret = fseek(cl_plain, offset, whence);
}
#ifdef USE_ZLIB
if (tp == CLF_TYPE_GZIP) {
ret = gzseek(cl_gz, offset, whence);
}
#endif // USE_ZLIB
#ifdef USE_BZ2LIB
if (tp == CLF_TYPE_BZIP2) {
bzseek(cl_bz, offset, whence);
ret = 0;
}
#endif // USE_BZ2LIB
} else {
errno = EBADF;
}
return ret;
}
