Initial commit

1 files changed, 96 insertions, 0 deletions

diff --git a/sys/imfort/db/idbpstr.x b/sys/imfort/db/idbpstr.x
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index 00000000..35835730
--- /dev/null
+++ b/sys/imfort/db/idbpstr.x
@@ -0,0 +1,96 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<syserr.h>
+include	<ctype.h>
+include	<imhdr.h>
+include	<mach.h>
+include	"idb.h"
+
+# IDB_PUTSTRING -- Set the value of a standard header parameter given the new
+# value of the parameter encoded as a string.  If actual type of the parameter
+# is non string the value must be decoded.  ERR is returned if the key is not
+# a standard header parameter or if the key is known but the value cannot be
+# decoded.
+
+int procedure idb_putstring (im, key, strval)
+
+pointer	im			# image descriptor
+char	key[ARB]		# parameter to be returned
+char	strval[ARB]		# string value of parameter
+
+long	lval
+double	dval
+bool	numeric
+int	ip, axis
+int	idb_kwlookup(), idb_naxis(), ctod()
+long	clktime()
+
+begin
+	ip = 1
+	numeric = (ctod (strval, ip, dval) > 0)
+	if (numeric) {
+	    if (IS_INDEFD (dval))
+		lval = INDEFL
+	    else if (real(MAX_LONG) < abs(dval))
+		lval = INDEFL
+	    else
+		lval = nint (dval)
+	}
+
+	# The keywords "naxis1", "naxis2", etc. are treated as a special case.
+	if (idb_naxis (key, axis) == YES)
+	    if (axis > 0) {
+		if (numeric)
+		    IM_LEN(im,axis) = lval
+		else
+		    return (ERR)
+	    }
+	    
+	# Lookup the keyword in the dictionary and set the value of the
+	# header parameter.  If the parameter is string valued copy the
+	# string value and return immediately.
+
+	switch (idb_kwlookup (key)) {
+	case I_CTIME:
+	    if (numeric)
+		IM_CTIME(im) = lval
+	case I_LIMTIME:
+	    if (numeric)
+		IM_LIMTIME(im) = lval
+	case I_MAXPIXVAL:
+	    if (numeric) {
+		IM_MAX(im) = dval
+		IM_LIMTIME(im) = clktime (long(0))
+	    }
+	case I_MINPIXVAL:
+	    if (numeric) {
+		IM_MIN(im) = dval
+		IM_LIMTIME(im) = clktime (long(0))
+	    }
+	case I_MTIME:
+	    if (numeric)
+		IM_MTIME(im) = lval
+	case I_NAXIS:
+	    if (numeric)
+		IM_NDIM(im) = lval
+	case I_PIXFILE:
+	    call strcpy (strval, IM_PIXFILE(im), SZ_IMPIXFILE)
+	    return (OK)
+	case I_PIXTYPE:
+	    if (numeric)
+		IM_PIXTYPE(im) = lval
+	case I_TITLE:
+	    call strcpy (strval, IM_TITLE(im), SZ_IMTITLE)
+	    return (OK)
+	default:
+	    return (ERR)
+	}
+
+	# We make it here only if the actual keyword is numeric, so return
+	# ERR if the keyword value was nonnumeric.
+
+	if (numeric)
+	    return (OK)
+	else
+	    return (ERR)
+end