Initial commit

1 files changed, 66 insertions, 0 deletions

diff --git a/sys/imio/dbc/imgcom.x b/sys/imio/dbc/imgcom.x
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--- /dev/null
+++ b/sys/imio/dbc/imgcom.x
@@ -0,0 +1,66 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<syserr.h>
+include <ctype.h>
+include	"idbc.h"
+
+# IMGCOM -- Get the comment field for a keyword.
+
+procedure imgcom (im, key, comment)
+
+pointer	im			#I image descriptor
+char	key[ARB]		#I parameter to be set
+char	comment[ARB]		#O comment string
+
+bool	string_valued
+int	ch, i, n, j, ic, op
+pointer	rp, ip, sp, buf
+int	idb_findrecord(), ctowrd(), stridx(), idb_getstring()
+errchk	syserrs
+
+define  end_ 91
+begin
+	call smark (sp)
+	call salloc (buf, SZ_LINE, TY_CHAR)
+
+        # Special fields do not have comment.
+        if (key[1] == 'i' && key[2] == '_') {  
+	    comment[1] = EOS
+	    return
+        }
+
+	# Find the record.
+	if (idb_findrecord (im, key, rp) == 0)
+	    call syserrs (SYS_IDBKEYNF, key)
+
+        ip = IDB_STARTVALUE
+        if (ctowrd (Memc[rp], ip, Memc[buf], SZ_LINE) <= 0) {
+	    comment[1] = EOS
+	    goto end_
+        }
+ 
+	# Look for '/'
+        while (ip < IDB_RECLEN && (Memc[rp+ip] != '/'))
+             ip = ip + 1
+        if (ip == IDB_RECLEN) {
+	   comment[1] = EOS
+	   goto end_
+        }
+        op = rp+ip+1
+        while (op < IDB_RECLEN+rp && (IS_WHITE(Memc[op]) || Memc[op] == '\n'))
+             op = op + 1
+
+        # Copy comment section
+        for (i = 1; Memc[op] != '\n' && op < IDB_RECLEN+rp; op=op+1) {
+            comment[i] = Memc[op]
+            i = i + 1
+        }
+        # Trim
+	i = i - 1
+        while (i >= 1 && IS_WHITE(comment[i]))
+	   i = i - 1
+
+        comment[i+1] = EOS
+end_
+	call sfree (sp)
+end