diff options
Diffstat (limited to 'funtools/fitsy/headdata.c')
-rw-r--r-- | funtools/fitsy/headdata.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/funtools/fitsy/headdata.c b/funtools/fitsy/headdata.c deleted file mode 100644 index 748fbea..0000000 --- a/funtools/fitsy/headdata.c +++ /dev/null @@ -1,67 +0,0 @@ -/* Fitsy FITS routines to work with the data portion of a FITS file. - */ - -#include <xos.h> -#include "fitsy.h" - -/* Skip over the data part of a FITS header data unit. - - If the file is seekable and the #ofile file pointer is - #NULL or nfile is 0, the data are skipped with an #fseek(). - - If the #ofile file pointer is #NULL no data is written. - - */ - -#define NBLOCK 500 - -off_t ft_dataskip(ifile, fits, ofiles, nofile) - File ifile; /* File pointer to read FITS data from. */ - FITSHead fits; /* FITS header associated with data. */ - File* ofiles; /* File pointers to write data to. */ - int nofile; /* number of files */ -{ - int i; - int blocks; - char block[FT_BLOCK * NBLOCK]; - off_t pos=0; - - if ( ifile == NULL ) return pos; - if ( fits == NULL ) return pos; - - if ( ft_seek(fits) != -1 && (!ofiles || !nofile) ) { - if ( ft_databytes(fits) ){ - pos = ftSeek(ifile, ft_databloks(fits) * FT_BLOCK, 1); - return pos; - } - } - - if ( ft_databytes(fits) ) { - for ( blocks = ft_databloks(fits); - blocks > NBLOCK; blocks -= NBLOCK ) { - ftRead(ifile, block, 1, FT_BLOCK*NBLOCK); - for(i=0; i<nofile; i++) - ftWrite(ofiles[i], block, 1, FT_BLOCK*NBLOCK); - } - if ( blocks ) { - ftRead(ifile, block, 1, FT_BLOCK*blocks); - for(i=0; i<nofile; i++) - ftWrite(ofiles[i], block, 1, FT_BLOCK*blocks); - } - } - return pos; -} - -/* Seek to the data portion of prevoiusly read fits header data unit. - */ -off_t ft_dataseek(sfile, fits) - File sfile; /* File pointer to seek. */ - FITSHead fits; -{ - if ( sfile == NULL ) return -1; - if ( fits == NULL ) return -1; - - return ftSeek(sfile, fits->data, 0) != -1; -} - - |