diff options
Diffstat (limited to 'usr.bin/window/var.c')
| -rw-r--r-- | usr.bin/window/var.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/usr.bin/window/var.c b/usr.bin/window/var.c deleted file mode 100644 index 0ffa8a747428..000000000000 --- a/usr.bin/window/var.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * 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. - */ - -#ifndef lint -static char sccsid[] = "@(#)var.c 8.1 (Berkeley) 6/6/93"; -static char rcsid[] = - "$FreeBSD$"; -#endif /* not lint */ - -#include "value.h" -#include "var.h" -#include "mystring.h" -#include <stdlib.h> - -struct var * -var_set1(head, name, v) -struct var **head; -char *name; -struct value *v; -{ - register struct var **p; - register 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); -} - -var_unset1(head, name) -struct var **head; -char *name; -{ - register struct var **p; - register 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) -register struct var **p; -register char *name; -{ - register 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; -} - -var_walk1(r, func, a) -register struct var *r; -int (*func)(); -long 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; -} |