1 files changed, 49 insertions, 0 deletions
diff --git a/unix/boot/bootlib/oswrite.c b/unix/boot/bootlib/oswrite.c
new file mode 100644
index 00000000..3c59f8cd
--- /dev/null
+++ b/unix/boot/bootlib/oswrite.c
@@ -0,0 +1,49 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#include <unistd.h>
+#include "bootlib.h"
+
+/* OS_WRITE -- Write to the output file.  If the output file is a text file
+ * we must convert the binary input (text) stream to the record structured
+ * stream required by the host.
+ */
+int
+os_write (
+  int	fd,			/* output file			*/
+  char	*buf,			/* data to be written		*/
+  int	nbytes 			/* num bytes to be written	*/
+)
+{
+	register char	*ip;
+	register XCHAR	*op, *otop;
+	register int	ch, n;
+	XINT	nchars, status, xfd=fd;
+	extern  int ZPUTTX();
+
+
+	if (osfiletype == BINARY_FILE)
+	    return (write (fd, buf, nbytes));
+
+	n    = nbytes;
+	ip   = buf;
+	op   = txop;
+	otop = &text[SZ_FBUF];
+
+	/* Accumulate an output line of text and pass it on to the system when
+	 * newline is seen or when the output buffer fills (unlikely).
+	 */
+	while (--n >= 0) {
+	    *op++ = ch = *ip++;
+	    if (ch == '\n' || op >= otop) {
+		nchars = op - text;
+		ZPUTTX (&xfd, text, &nchars, &status);
+		op = txop = text;
+		if (status == XERR)
+		    return (ERR);
+	    }
+	}
+
+	txop = op;
+	return (nbytes);
+}