This file is indexed.

/usr/share/gnudatalanguage/lib/read_binary.pro is in libgnudatalanguage0 0.9.7-6.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
;+
;
; NAME: READ_BINARY
;
;
; PURPOSE: Reads an binary file. The output is a structure whose tags contains
;          the requested fields.
;
;
; CATEGORY: IO
;
;
; CALLING SEQUENCE: 
;   structure=read_binary(filename|unit, template=template, 
;                         data_start=datastart, data_type=datatypes, 
;                         data_dims=datadims, endian=endian)
;
;
; INPUT:
;   filename       Name of the ASCII file to be read
;   unit           Alternatively, unit of the filename
;
;
; KEYED INPUTS:
;   data_start     Specify the number of bytes to be skipped
;   data_type      Numeric type of the binary file
;   data_dims      Dimensions of the requested field. Allow to read only
;                  part of the file.
;   endian         'native', 'little' or 'big': byte ordering of the binary file
;
;   template       NOT IMPLEMENTED YET
;                  structure that defines how the binary file will be processed.
;                  the tags datastart, typecodes, dimensions and endian
;                  can be overridden by the keywords data_start, data_type,
;                  and data_dims and endian
;
; a binary template looks like:
;   VERSION          FLOAT           1.00000
;   TEMPLATENAME     STRING    'tmpl'
;   ENDIAN           STRING    'native'
;   FIELDCOUNT       LONG                 2
;   TYPECODES        INT       Array[2]
;   NAMES            STRING    Array[2]
;   OFFSETS          STRING    Array[2]
;   NUMDIMS          LONG      Array[2]
;   DIMENSIONS       STRING    Array[2, 8]
;   REVERSEFLAGS     BYTE      Array[2, 8]
;   ABSOLUTEFLAGS    BYTE      Array[2]
;   RETURNFLAGS      INT       Array[2]
;   VERIFYFLAGS      INT       Array[2]
;   DIMALLOWFORMULAS INT       = Array[2]
;   OFFSETALLOWFORMULAS
;                    INT       = Array[2]
;   VERIFYVALS       STRING    Array[2]
;
;
; OUTPUT:
;   output      If the template keyword is set, the output is a structure 
;               containing the fields of the binary file. Otherwise it is
;               an array of the requested dimension and type.
;
;
;
; EXAMPLES:
;   to read a binary file of floats:
;   a = read_binary(filename, type=4)
; 
;
; IDL DIFFERENCES:
;   template keyword not yet implemented
; 
;
; MODIFICATION HISTORY:
;   20-Jan-2006 : written by Pierre Chanial
;
;-
; LICENCE:
; Copyright (C) 2006, P. Chanial
; This program is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 2 of the License, or
; (at your option) any later version.
;
;
;-
 

function read_binary_filesize, filename
 compile_opt hidden
 spawn, ['wc', '-c', filename], output, exit_status=status, /noshell
 if status ne 0 then message, 'Invalid filename.'
 return, long64(output[0])
end

function read_binary, input, template=template, data_start=datastart, $
                 data_type=datatypes, data_dims=datadims, endian=endian
 
 on_error, 2

 if keyword_set(template) then begin
    message, 'TEMPLATE keyword not implemented yet!'
 endif
 
 if n_elements(datastart) eq 0 then datastart = 0
 if n_elements(datatypes) eq 0 then datatypes = 1
 if n_elements(datadims)  eq 0 then datadims = -1
 if n_elements(endian)    eq 0 then endian = 'native'
 if n_elements(template)  eq 0 then fieldcount = 1
 
 nbytes = [0, 1, 2, 2, 4, 8, 8, 0, 0, 16, 0, 0, 2, 4, 8, 8]

 if size(input, /tname) eq 'STRING' then begin
    filename = input
    openr, unit, filename, /get_lun, $
           swap_if_big_endian=strcmp(endian, 'little', /fold_case), $
           swap_if_little_endian=strcmp(endian, 'big', /fold_case)
 endif else begin
    unit = input
    filename = ''
 endelse
 point_lun, unit, datastart
 
 ;----------------
 ; check filesize
 ;----------------
 filesize = read_binary_filesize(filename)-datastart
 
 linesize = product(datadims>1)*nbytes[datatypes]
 linecount = filesize / linesize
 
 
 ;----------------------------
 ; optimize case fieldcount=1
 ;----------------------------
 if fieldcount eq 1 then begin
    if datadims[0] eq -1 then begin
       dimensions = linecount
    endif else begin
       dimensions = datadims > 1
    endelse
    result = make_array(dimension=dimensions, type=datatypes, /nozero)
    if datadims[0] eq 0 then begin
       result = result[0]
    endif
    readu, unit, result
    goto, closing
 endif
    
 ;-------------------------
 ; create output structure
 ;-------------------------


 ;----------
 ; clean up
 ;----------
closing:
 if size(filename, /tname) eq 'STRING' then free_lun, unit
 return, result
 
end