Initial commit

1 files changed, 53 insertions, 0 deletions

diff --git a/sys/imio/iki/oif/oifdelete.x b/sys/imio/iki/oif/oifdelete.x
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index 00000000..758309a7
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+++ b/sys/imio/iki/oif/oifdelete.x
@@ -0,0 +1,53 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<protect.h>
+include	<error.h>
+include	<imhdr.h>
+
+# OIF_DELETE -- Delete an image.  A special operator is required since the
+# image is stored as two files.
+
+procedure oif_delete (kernel, root, extn, status)
+
+int	kernel			#I IKI kernel
+char	root[ARB]		#I root filename
+char	extn[ARB]		#U extension
+int	status
+
+int	junk
+pointer	sp, fname, pixfile
+int	access(), protect()
+pointer	im, immapz()
+
+begin
+	call smark (sp)
+	call salloc (fname, SZ_PATHNAME, TY_CHAR)
+	call salloc (pixfile, SZ_PATHNAME, TY_CHAR)
+
+	# Generate filename.
+	call iki_mkfname (root, extn, Memc[fname], SZ_PATHNAME)
+
+	iferr (im = immapz (Memc[fname], READ_ONLY, 0)) {
+	    call erract (EA_WARN)
+
+	} else {
+	    if (IM_PIXFILE(im) != EOS) {
+		call oif_gpixfname (IM_PIXFILE(im), IM_HDRFILE(im),
+		    Memc[pixfile], SZ_PATHNAME)
+		if (access (Memc[pixfile],0,0) == YES)
+		    iferr (call delete (Memc[pixfile]))
+			call erract (EA_WARN)
+	    }
+
+	    call imunmap (im)
+
+	    # Do not complain if the file is not protected.
+	    iferr (junk = protect (Memc[fname], REMOVE_PROTECTION))
+		;
+	    iferr (call delete (Memc[fname]))
+		call erract (EA_WARN)
+	}
+
+	call sfree (sp)
+	status = OK
+end