Initial commit

1 files changed, 76 insertions, 0 deletions

diff --git a/sys/imfort/imdelx.x b/sys/imfort/imdelx.x
new file mode 100644
index 00000000..d49451fc
--- /dev/null
+++ b/sys/imfort/imdelx.x
@@ -0,0 +1,76 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<protect.h>
+include	<imhdr.h>
+include	"imfort.h"
+
+# IMDELX -- Delete an image (both the header file and the pixel file).
+# It is not an error if there is no pixel file.
+
+procedure imdelx (image, ier)
+
+char	image[ARB]		#I image to be deleted
+int	ier			#O receives error status
+
+int	status
+pointer	im, sp, hdrfile, pixfile, ip
+int	stridxs()
+define	quit_ 91
+
+begin
+	call smark (sp)
+	call salloc (hdrfile, SZ_PATHNAME, TY_CHAR)
+	call salloc (pixfile, SZ_PATHNAME, TY_CHAR)
+
+	# Get the OS pathnames of the header and pixel files.
+
+	call imopnx (image, RO, im, ier)
+	if (ier != OK) {
+	    ier = IE_IMDELNEXIM
+	    goto quit_
+	} else {
+	    call strcpy (IM_HDRFILE(im), Memc[hdrfile], SZ_PATHNAME)
+	    call imf_gpixfname (IM_PIXFILE(im), IM_HDRFILE(im), Memc[pixfile],
+		SZ_PATHNAME)
+	    ip = pixfile + stridxs ("!", Memc[pixfile])
+	    call strcpy (Memc[ip], Memc[pixfile], SZ_PATHNAME)
+	    call imclos (im, ier)
+	    if (ier != OK)
+		goto quit_
+	}
+
+	call strpak (Memc[hdrfile], Memc[hdrfile], SZ_FNAME)
+	call strpak (Memc[pixfile], Memc[pixfile], SZ_PATHNAME)
+
+	# Verify that the header file exists.
+	call zfacss (Memc[hdrfile], 0, 0, status)
+	if (status == NO) {
+	    ier = IE_IMDELNEXIM
+	    goto quit_
+	}
+
+	# Remove any file delete protection from the image header file.
+	# Do not complain if the header is not protected, or if there is
+	# no pixel file to be deleted.
+
+	call zfprot (Memc[hdrfile], REMOVE_PROTECTION, status)
+	call zfdele (Memc[hdrfile], status)
+
+	if (status == ERR)
+	    ier = IE_IMDELETE
+	else {
+	    call zfacss (Memc[pixfile], 0, 0, status)
+	    if (status == NO)
+		ier = OK
+	    else {
+		call zfdele (Memc[pixfile], status)
+		if (status == ERR)
+		    ier = IE_IMDELETE
+	    }
+	}
+
+quit_
+	if (ier != OK)
+	    call im_seterrop (ier, image)
+	call sfree (sp)
+end