int gt_file_xread(GtFile *file, void *buf, size_t nbytes)
{
int rval = -1;
if (file) {
switch (file->mode) {
case GT_FILE_MODE_UNCOMPRESSED:
rval = gt_xfread(buf, 1, nbytes, file->fileptr.file);
break;
case GT_FILE_MODE_GZIP:
rval = gt_xgzread(file->fileptr.gzfile, buf, nbytes);
break;
case GT_FILE_MODE_BZIP2:
rval = gt_xbzread(file->fileptr.bzfile, buf, nbytes);
break;
default: gt_assert(0);
}
}
else
rval = gt_xfread(buf, 1, nbytes, stdin);
return rval;
}
int gt_xgzfgetc(gzFile file)
{
char c;
return gt_xgzread(file, &c, 1) ? c : EOF;
}
