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1 files changed, 53 insertions, 0 deletions

diff --git a/sys/fio/fsymlink.x b/sys/fio/fsymlink.x
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+++ b/sys/fio/fsymlink.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<syserr.h>
+include	<knet.h>
+
+# FSYMLINK -- Remove a symlink.
+
+procedure fsymlink (link, target)
+
+char	link[ARB]			# link name
+char	target[ARB]			# target file
+
+int	status
+pointer	sp, oslnk, ostgt, lname, tname
+int	access()
+errchk	syserrs
+
+begin
+	call smark (sp)
+	call salloc (lname, SZ_PATHNAME, TY_CHAR)
+	call salloc (tname, SZ_PATHNAME, TY_CHAR)
+	call salloc (oslnk, SZ_PATHNAME, TY_CHAR)
+	call salloc (ostgt, SZ_PATHNAME, TY_CHAR)
+
+	# It is an error if the link file already exists.
+	if (access (link, 0, 0) == YES)
+	    call syserrs (SYS_FSYMLINK, link)
+	
+        # Always present ZFLINK with a full pathname (rather than an
+        # absolute or cwd relative filename), in case the kernel procedure
+        # is not smart enough to handle all these possibilities.
+	call aclrc (Memc[oslnk], SZ_PATHNAME)
+        iferr (call fmapfn (link, Memc[oslnk], SZ_PATHNAME))
+            call syserrs (SYS_FSYMLINK, link)
+
+#        call strupk (Memc[oslnk], Memc[oslnk], SZ_PATHNAME)
+#        call strpak (Memc[oslnk], Memc[oslnk], SZ_PATHNAME)
+
+
+	call aclrc (Memc[ostgt], SZ_PATHNAME)
+        iferr (call fmapfn (target, Memc[ostgt], SZ_PATHNAME))
+            call syserrs (SYS_FSYMLINK, target)
+        
+#        call strupk (Memc[ostgt], Memc[ostgt], SZ_PATHNAME)
+#        call strpak (Memc[ostgt], Memc[ostgt], SZ_PATHNAME)
+
+	# Try to create the symlink.
+	call zflink (Memc[ostgt], Memc[oslnk], status)
+	if (status == ERR)
+	    call syserrs (SYS_FSYMLINK, link)
+
+	call sfree (sp)
+end