/usr/include/astrotcl/DCompress.h is in skycat 3.1.2+starlink1~b+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#ifndef _Compress_h_
#define _Compress_h_
/*
* E.S.O. - VLT project
* $Id: DCompress.h,v 1.1.1.1 2009/03/31 14:11:53 cguirao Exp $
*
* DCompress.h - utility class for compressing/decompressing FITS files
*
* (wrapper for archive/CADC "press" routines)
*
* who when what
* -------------- -------- ----------------------------------------
* Allan Brighton 2 Aug 96 Created
* 2 Jan 06 Renamed file to avoid name conflict with fitsio's
* "compress.h" on file systems that ignore case.
*/
/*
* Class Compress
*
*/
class Compress {
protected:
public:
// constructor
Compress() {}
// types of compression
enum CompressType {
NO_COMPRESS, // no compression
UNIX_COMPRESS, // Compressed FITS file (UNIX)
H_COMPRESS, // Hcompressed FITS file
ULDA_COMPRESS, // ULDA compressed FITS file
GZIP_COMPRESS // GZIPed FITS file
};
// compress (or decompress) from read_fd and write results to write_fd
int compress(int read_fd, int write_fd, CompressType type,
int compress_flag = 1);
// decompress from read_fd and write results to write_fd
int decompress(int read_fd, int write_fd, CompressType type) {
return compress(read_fd, write_fd, type, 0);
}
// compress (or decompress) infile and put the result in outfile
int compress(const char* infile, const char* outfile, CompressType type,
int compress_flag = 1, int mmap_flag = 1);
// decompress infile and put the result in outfile
int decompress(const char* infile, const char* outfile, CompressType type,
int mmap_flag = 1) {
return compress(infile, outfile, type, 0, mmap_flag);
}
// compress (or decompress) the file in place
int compress(const char* file, CompressType type, int compress_flag = 1,
int mmap_flag = 1);
// decompress the file in place
int decompress(const char* file, CompressType type, int mmap_flag = 1) {
return compress(file, type, 0, mmap_flag);
}
// compress (or decompress) inbuf and allocate results in outbuf
int compress(const char* inbuf, int inbufsz, char*& outbuf, int& outbufsz,
CompressType ctype, int compress_flag = 1);
// decompress inbuf and allocate results in outbuf
int decompress(const char* inbuf, int inbufsz, char*& outbuf, int& outbufsz,
CompressType ctype) {
return compress(inbuf, inbufsz, outbuf, outbufsz, ctype, 0);
}
// optionally set global compress options for scale and smoothing
static int set_options(CompressType ctype, int scale = 10, int do_smoothing = 0);
};
#endif /* _Compress_h_ */
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