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-rw-r--r--ncurses/tinfo/lib_print.c92
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diff --git a/ncurses/tinfo/lib_print.c b/ncurses/tinfo/lib_print.c
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+/****************************************************************************
+ * Copyright (c) 1998-2002,2006 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+ * copy of this software and associated documentation files (the *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
+ * and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ ****************************************************************************/
+
+#include <curses.priv.h>
+
+#include <term.h>
+
+MODULE_ID("$Id: lib_print.c,v 1.16 2006/11/26 00:26:34 tom Exp $")
+
+NCURSES_EXPORT(int)
+mcprint(char *data, int len)
+/* ship binary character data to the printer via mc4/mc5/mc5p */
+{
+ char *mybuf, *switchon;
+ size_t onsize, offsize, res;
+
+ errno = 0;
+ if (!cur_term || (!prtr_non && (!prtr_on || !prtr_off))) {
+ errno = ENODEV;
+ return (ERR);
+ }
+
+ if (prtr_non) {
+ switchon = TPARM_1(prtr_non, len);
+ onsize = strlen(switchon);
+ offsize = 0;
+ } else {
+ switchon = prtr_on;
+ onsize = strlen(prtr_on);
+ offsize = strlen(prtr_off);
+ }
+
+ if (switchon == 0
+ || (mybuf = typeMalloc(char, onsize + len + offsize + 1)) == 0) {
+ errno = ENOMEM;
+ return (ERR);
+ }
+
+ (void) strcpy(mybuf, switchon);
+ memcpy(mybuf + onsize, data, (unsigned) len);
+ if (offsize)
+ (void) strcpy(mybuf + onsize + len, prtr_off);
+
+ /*
+ * We're relying on the atomicity of UNIX writes here. The
+ * danger is that output from a refresh() might get interspersed
+ * with the printer data after the write call returns but before the
+ * data has actually been shipped to the terminal. If the write(2)
+ * operation is truly atomic we're protected from this.
+ */
+ res = write(cur_term->Filedes, mybuf, onsize + len + offsize);
+
+ /*
+ * By giving up our scheduler slot here we increase the odds that the
+ * kernel will ship the contiguous clist items from the last write
+ * immediately.
+ */
+ (void) sleep(0);
+
+ free(mybuf);
+ return (res);
+}