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Diffstat (limited to 'usr/src/lib/libcurses/screen/newkey.c')
-rw-r--r--usr/src/lib/libcurses/screen/newkey.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/usr/src/lib/libcurses/screen/newkey.c b/usr/src/lib/libcurses/screen/newkey.c
new file mode 100644
index 0000000000..265aa8868f
--- /dev/null
+++ b/usr/src/lib/libcurses/screen/newkey.c
@@ -0,0 +1,112 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License"). You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/* Copyright (c) 1988 AT&T */
+/* All Rights Reserved */
+
+/*
+ * University Copyright- Copyright (c) 1982, 1986, 1988
+ * The Regents of the University of California
+ * All Rights Reserved
+ *
+ * University Acknowledgment- Portions of this document are derived from
+ * software developed by the University of California, Berkeley, and its
+ * contributors.
+ */
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+/*LINTLIBRARY*/
+
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include "curses_inc.h"
+
+/*
+ * Set a new key or a new macro.
+ *
+ * rcvchars: the pattern identifying the key
+ * keyval: the value to return when the key is recognized
+ * macro: if this is not a function key but a macro,
+ * tgetch() will block on macros.
+ */
+
+int
+newkey(char *rcvchars, short keyval, bool macro)
+{
+ _KEY_MAP **keys, *key_info,
+ **prev_keys = cur_term->_keys;
+ short *numkeys = &cur_term->_ksz;
+ char *str;
+ size_t len;
+
+ if ((!rcvchars) || (*rcvchars == '\0') || (keyval < 0) ||
+ (((keys = (_KEY_MAP **) malloc(sizeof (_KEY_MAP *) *
+ (*numkeys + 1))) == NULL))) {
+ goto bad;
+ }
+
+ len = strlen(rcvchars) + 1;
+
+ if ((key_info = (_KEY_MAP *) malloc(sizeof (_KEY_MAP) + len)) ==
+ NULL) {
+ free(keys);
+bad :
+ term_errno = TERM_BAD_MALLOC;
+#ifdef DEBUG
+ strcpy(term_parm_err, "newkey");
+#endif /* DEBUG */
+ return (ERR);
+ }
+
+ if (macro) {
+ (void) memcpy((char *) keys, (char *) prev_keys,
+ (*numkeys * sizeof (_KEY_MAP *)));
+ keys[*numkeys] = key_info;
+ } else {
+ short *first = &(cur_term->_first_macro);
+
+ (void) memcpy((char *) keys, (char *) prev_keys,
+ (*first * sizeof (_KEY_MAP *)));
+ (void) memcpy((char *) &(keys[*first + 1]),
+ (char *) &(prev_keys[*first]),
+ ((*numkeys - *first) * sizeof (_KEY_MAP *)));
+ keys[(*first)++] = key_info;
+ cur_term->_lastmacro_ordered++;
+ }
+ if (prev_keys != NULL)
+ free(prev_keys);
+ cur_term->_keys = keys;
+
+ (*numkeys)++;
+ key_info->_sends = str = (char *) key_info + sizeof (_KEY_MAP);
+ (void) memcpy(str, rcvchars, len);
+ key_info->_keyval = keyval;
+ cur_term->funckeystarter[*str] |= (macro ? _MACRO : _KEY);
+
+ return (OK);
+}