shell_cmds-53.tar.gz

[apple/shell_cmds.git] / window / var.c

diff --git a/window/var.c b/window/var.c
deleted file mode 100644 (file)
index 8fddabc..0000000
--- a/window/var.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/*     $NetBSD: var.c,v 1.5 1997/11/21 08:36:45 lukem Exp $    */
-
-/*
- * Copyright (c) 1983, 1993
- *     The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Edward Wang at The University of California, Berkeley.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *     This product includes software developed by the University of
- *     California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)var.c      8.1 (Berkeley) 6/6/93";
-#else
-__RCSID("$NetBSD: var.c,v 1.5 1997/11/21 08:36:45 lukem Exp $");
-#endif
-#endif /* not lint */
-
-#include <stdlib.h>
-#include "value.h"
-#define EXTERN
-#include "var.h"
-#undef  EXTERN
-#include "window_string.h"
-
-struct var *
-var_set1(head, name, v)
-       struct var **head;
-       char *name;
-       struct value *v;
-{
-       struct var **p;
-       struct var *r;
-       struct value val;
-
-       /* do this first, easier to recover */
-       val = *v;
-       if (val.v_type == V_STR && val.v_str != 0 &&
-           (val.v_str = str_cpy(val.v_str)) == 0)
-               return 0;
-       if (*(p = var_lookup1(head, name)) == 0) {
-               r = (struct var *) malloc(sizeof (struct var));
-               if (r == 0) {
-                       val_free(val);
-                       return 0;
-               }
-               if ((r->r_name = str_cpy(name)) == 0) {
-                       val_free(val);
-                       free((char *) r);
-                       return 0;
-               }
-               r->r_left = r->r_right = 0;
-               *p = r;
-       } else {
-               r = *p;
-               val_free(r->r_val);
-       }
-       r->r_val = val;
-       return r;
-}
-
-struct var *
-var_setstr1(head, name, str)
-       struct var **head;
-       char *name;
-       char *str;
-{
-       struct value v;
-
-       v.v_type = V_STR;
-       v.v_str = str;
-       return var_set1(head, name, &v);
-}
-
-struct var *
-var_setnum1(head, name, num)
-       struct var **head;
-       char *name;
-       int num;
-{
-       struct value v;
-
-       v.v_type = V_NUM;
-       v.v_num = num;
-       return var_set1(head, name, &v);
-}
-
-int
-var_unset1(head, name)
-       struct var **head;
-       char *name;
-{
-       struct var **p;
-       struct var *r;
-
-       if (*(p = var_lookup1(head, name)) == 0)
-               return -1;
-       r = *p;
-       *p = r->r_left;
-       while (*p != 0)
-               p = &(*p)->r_right;
-       *p = r->r_right;
-       val_free(r->r_val);
-       str_free(r->r_name);
-       free((char *) r);
-       return 0;
-}
-
-struct var **
-var_lookup1(p, name)
-       struct var **p;
-       char *name;
-{
-       int cmp;
-
-       while (*p != 0) {
-               if ((cmp = strcmp(name, (*p)->r_name)) < 0)
-                       p = &(*p)->r_left;
-               else if (cmp > 0)
-                       p = &(*p)->r_right;
-               else
-                       break;
-       }
-       return p;
-}
-
-int
-var_walk1(r, func, a)
-       struct var *r;
-       int (*func) __P((void *, struct var *));
-       void *a;
-{
-       if (r == 0)
-               return 0;
-       if (var_walk1(r->r_left, func, a) < 0 || (*func)(a, r) < 0
-           || var_walk1(r->r_right, func, a) < 0)
-               return -1;
-       return 0;
-}