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1 files changed, 57 insertions, 0 deletions

diff --git a/sys/imio/imdelete.x b/sys/imio/imdelete.x
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--- /dev/null
+++ b/sys/imio/imdelete.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+# IMDELETE -- Delete an image.
+
+procedure imdelete (image)
+
+char	image[ARB]
+
+char	cache[SZ_FNAME], fname[SZ_FNAME], extn[SZ_FNAME]
+char	root[SZ_FNAME], src[SZ_FNAME]
+int	status, len, ip
+
+int	envgets(), strlen(), iki_access(), imaccess()
+bool	streq()
+
+begin
+	# Delete a cached version of the file.
+	if (envgets ("cache", cache, SZ_PATHNAME) > 0) {
+            status = iki_access (image, root, extn, READ_ONLY)
+	    len = strlen (root)
+	    for (ip = len; ip > 0; ip=ip-1) {
+		if (root[ip] == '/') {
+		    call strcpy (root[ip+1], root, SZ_FNAME)
+		    break
+		}
+	    }
+
+	    # Make sure the name has the image extension.
+	    len = strlen (image)
+	    if (! streq (extn, image[len-strlen(extn)+1])) {
+		call strcat (".", root, SZ_FNAME)
+		call strcat (extn, root, SZ_FNAME)
+	    }
+
+	    #  Note that if the file in the cache was added using
+	    #  a full path and/or image type extension, it will not
+	    #  be found in the cache and deleted.
+	    if (status > 0) {
+	        call fclookup (cache, image, fname, extn, SZ_FNAME)
+		if (fname[1] != EOS) {
+                    call fcdelete (cache, fname)
+
+	            call fcsrc (cache, image, src, SZ_FNAME)
+	            if (src[1] != EOS) {
+	                call fclookup (cache, src, fname, extn, SZ_FNAME)
+                        call fcdelete (cache, fname)
+                        call fcdelete (cache, src)
+	            }
+		}
+	    }
+	}
+
+	if (imaccess (image, READ_ONLY) == YES) {
+	    call iki_init()
+	    call iki_delete (image)
+	}
+end