1 files changed, 34 insertions, 0 deletions
diff --git a/sys/imio/imfls.gx b/sys/imio/imfls.gx
new file mode 100644
index 00000000..49016816
--- /dev/null
+++ b/sys/imio/imfls.gx
@@ -0,0 +1,34 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<imhdr.h>
+include	<imio.h>
+
+# IMFLS? -- Flush the output buffer, if necessary.  Convert the datatype
+# of the pixels upon output, if the datatype of the pixels in the imagefile
+# is different than that requested by the calling program.
+
+procedure imfls$t (imdes)
+
+pointer	imdes
+pointer	bdes, bp
+errchk	imflsh
+
+begin
+	# Ignore the flush request if the output buffer has already been
+	# flushed.
+
+	if (IM_FLUSH(imdes) == YES) {
+	    bdes = IM_OBDES(imdes)
+	    bp = BD_BUFPTR(bdes)
+
+	    # Convert datatype of pixels, if necessary, and flush buffer.
+	    if (IM_PIXTYPE(imdes) != TY_PIXEL || SZ_INT != SZ_INT32) {
+		call impak$t (Memc[bp], Memc[bp], BD_NPIX(bdes),
+		    IM_PIXTYPE(imdes))
+	    }
+
+	    call imflsh (imdes, bp, BD_VS(bdes,1), BD_VE(bdes,1), BD_NDIM(bdes))
+
+	    IM_FLUSH(imdes) = NO
+	}
+end