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
|
# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <syserr.h>
include <plset.h>
include <plio.h>
# PL_LOADF -- Load a mask stored in external format in a binary file. This
# simple code permits only one mask per file; more sophisticated storage
# facilities are planned; these will probably obsolete this routine.
procedure pl_loadf (pl, mask, title, maxch)
pointer pl #I mask descriptor
char mask[ARB] #I mask file
char title[maxch] #O mask title
int maxch #I max chars out
int fd, nchars
pointer sp, bp, sv, text, fname, extn
int open(), read(), miireadc(), miireadi(), fnextn()
errchk open, read, syserrs
define err_ 91
begin
call smark (sp)
call salloc (fname, SZ_PATHNAME, TY_CHAR)
call salloc (extn, SZ_FNAME, TY_CHAR)
# Get mask file name.
call strcpy (mask, Memc[fname], SZ_PATHNAME)
if (fnextn (mask, Memc[extn], SZ_FNAME) <= 0)
call strcat (".pl", Memc[fname], SZ_PATHNAME)
# Open the mask save file.
fd = open (Memc[fname], READ_ONLY, BINARY_FILE)
# Get savefile header.
call salloc (sv, LEN_SVDES, TY_STRUCT)
if (miireadi (fd, Memi[sv], LEN_SVDES) != LEN_SVDES)
goto err_
# Verify file type.
if (SV_MAGIC(sv) != PLIO_SVMAGIC)
goto err_
# Get descriptive text.
call salloc (text, SV_TITLELEN(sv), TY_CHAR)
if (miireadc (fd, Memc[text], SV_TITLELEN(sv)) != SV_TITLELEN(sv))
goto err_
else
call strcpy (Memc[text], title, maxch)
# Get encoded mask.
call salloc (bp, SV_MASKLEN(sv), TY_SHORT)
iferr (nchars = read (fd, Mems[bp], SV_MASKLEN(sv) * SZ_SHORT))
goto err_
call close (fd)
iferr (call pl_load (pl, bp))
goto err_
call sfree (sp)
return
err_
call close (fd)
call syserrs (SYS_PLBADSAVEF, Memc[fname])
end
|
