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1 files changed, 44 insertions, 0 deletions

diff --git a/sys/imio/iki/qpf/qpfaccess.x b/sys/imio/iki/qpf/qpfaccess.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	"qpf.h"
+
+# QPF_ACCESS -- Test the accessibility or existence of an existing image,
+# or the legality of the name of a new image.
+
+procedure qpf_access (kernel, root, extn, acmode, status)
+
+int	kernel			#I IKI kernel
+char	root[ARB]		#I root filename
+char	extn[ARB]		#U extension (SET on output if none specified)
+int	acmode			#I access mode (0 to test only existence)
+int	status			#O ok or err
+
+pointer	sp, fname
+int	btoi(), qp_access(), iki_validextn()
+string	qpf_extn QPF_EXTN
+
+begin
+	call smark (sp)
+	call salloc (fname, SZ_PATHNAME, TY_CHAR)
+
+	# If new image, test only the legality of the given extension.
+	# This is used to select a kernel given the imagefile extension.
+
+	status = NO
+	if (extn[1] != EOS)
+	    status = btoi (iki_validextn (kernel, extn) > 0)
+
+	if (acmode != NEW_IMAGE && acmode != NEW_COPY) {
+	    if (extn[1] == EOS) {
+		call iki_mkfname (root, qpf_extn, Memc[fname], SZ_PATHNAME)
+		status = qp_access (Memc[fname], acmode)
+		if (status != NO)
+		    call strcpy (qpf_extn, extn, MAX_LENEXTN)
+	    } else if (status != NO) {
+		call iki_mkfname (root, extn, Memc[fname], SZ_PATHNAME)
+		status = qp_access (Memc[fname], acmode)
+	    }
+	}
+
+	call sfree (sp)
+end