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-rw-r--r--usr.bin/tip/value.c353
1 files changed, 0 insertions, 353 deletions
diff --git a/usr.bin/tip/value.c b/usr.bin/tip/value.c
deleted file mode 100644
index ce29a21..0000000
--- a/usr.bin/tip/value.c
+++ /dev/null
@@ -1,353 +0,0 @@
-/*
- * Copyright (c) 1983, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * 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[] = "@(#)value.c 8.1 (Berkeley) 6/6/93";
-#endif /* not lint */
-
-#include "tip.h"
-
-#define MIDDLE 35
-
-static value_t *vlookup();
-static int col = 0;
-
-/*
- * Variable manipulation
- */
-vinit()
-{
- register value_t *p;
- register char *cp;
- FILE *f;
- char file[256];
-
- for (p = vtable; p->v_name != NULL; p++) {
- if (p->v_type&ENVIRON)
- if (cp = getenv(p->v_name))
- p->v_value = cp;
- if (p->v_type&IREMOTE)
- number(p->v_value) = *address(p->v_value);
- }
- /*
- * Read the .tiprc file in the HOME directory
- * for sets
- */
- strcpy(file, value(HOME));
- strcat(file, "/.tiprc");
- if ((f = fopen(file, "r")) != NULL) {
- register char *tp;
-
- while (fgets(file, sizeof(file)-1, f) != NULL) {
- if (vflag)
- printf("set %s", file);
- if (tp = rindex(file, '\n'))
- *tp = '\0';
- vlex(file);
- }
- fclose(f);
- }
- /*
- * To allow definition of exception prior to fork
- */
- vtable[EXCEPTIONS].v_access &= ~(WRITE<<PUBLIC);
-}
-
-static int vaccess();
-
-/*VARARGS1*/
-vassign(p, v)
- register value_t *p;
- char *v;
-{
-
- if (!vaccess(p->v_access, WRITE)) {
- printf("access denied\r\n");
- return;
- }
- switch (p->v_type&TMASK) {
-
- case STRING:
- if (p->v_value && equal(p->v_value, v))
- return;
- if (!(p->v_type&(ENVIRON|INIT)))
- free(p->v_value);
- if ((p->v_value = malloc(size(v)+1)) == NOSTR) {
- printf("out of core\r\n");
- return;
- }
- p->v_type &= ~(ENVIRON|INIT);
- strcpy(p->v_value, v);
- break;
-
- case NUMBER:
- if (number(p->v_value) == number(v))
- return;
- number(p->v_value) = number(v);
- break;
-
- case BOOL:
- if (boolean(p->v_value) == (*v != '!'))
- return;
- boolean(p->v_value) = (*v != '!');
- break;
-
- case CHAR:
- if (character(p->v_value) == *v)
- return;
- character(p->v_value) = *v;
- }
- p->v_access |= CHANGED;
-}
-
-static void vprint();
-
-vlex(s)
- register char *s;
-{
- register value_t *p;
- static void vtoken();
-
- if (equal(s, "all")) {
- for (p = vtable; p->v_name; p++)
- if (vaccess(p->v_access, READ))
- vprint(p);
- } else {
- register char *cp;
-
- do {
- if (cp = vinterp(s, ' '))
- cp++;
- vtoken(s);
- s = cp;
- } while (s);
- }
- if (col > 0) {
- printf("\r\n");
- col = 0;
- }
-}
-
-static void
-vtoken(s)
- register char *s;
-{
- register value_t *p;
- register char *cp;
- char *expand();
-
- if (cp = index(s, '=')) {
- *cp = '\0';
- if (p = vlookup(s)) {
- cp++;
- if (p->v_type&NUMBER)
- vassign(p, atoi(cp));
- else {
- if (strcmp(s, "record") == 0)
- cp = expand(cp);
- vassign(p, cp);
- }
- return;
- }
- } else if (cp = index(s, '?')) {
- *cp = '\0';
- if ((p = vlookup(s)) && vaccess(p->v_access, READ)) {
- vprint(p);
- return;
- }
- } else {
- if (*s != '!')
- p = vlookup(s);
- else
- p = vlookup(s+1);
- if (p != NOVAL) {
- vassign(p, s);
- return;
- }
- }
- printf("%s: unknown variable\r\n", s);
-}
-
-static void
-vprint(p)
- register value_t *p;
-{
- register char *cp;
- extern char *interp(), *ctrl();
-
- if (col > 0 && col < MIDDLE)
- while (col++ < MIDDLE)
- putchar(' ');
- col += size(p->v_name);
- switch (p->v_type&TMASK) {
-
- case BOOL:
- if (boolean(p->v_value) == FALSE) {
- col++;
- putchar('!');
- }
- printf("%s", p->v_name);
- break;
-
- case STRING:
- printf("%s=", p->v_name);
- col++;
- if (p->v_value) {
- cp = interp(p->v_value, NULL);
- col += size(cp);
- printf("%s", cp);
- }
- break;
-
- case NUMBER:
- col += 6;
- printf("%s=%-5d", p->v_name, number(p->v_value));
- break;
-
- case CHAR:
- printf("%s=", p->v_name);
- col++;
- if (p->v_value) {
- cp = ctrl(character(p->v_value));
- col += size(cp);
- printf("%s", cp);
- }
- break;
- }
- if (col >= MIDDLE) {
- col = 0;
- printf("\r\n");
- return;
- }
-}
-
-
-static int
-vaccess(mode, rw)
- register unsigned mode, rw;
-{
- if (mode & (rw<<PUBLIC))
- return (1);
- if (mode & (rw<<PRIVATE))
- return (1);
- return ((mode & (rw<<ROOT)) && getuid() == 0);
-}
-
-static value_t *
-vlookup(s)
- register char *s;
-{
- register value_t *p;
-
- for (p = vtable; p->v_name; p++)
- if (equal(p->v_name, s) || (p->v_abrev && equal(p->v_abrev, s)))
- return (p);
- return (NULL);
-}
-
-char *
-vinterp(s, stop)
- register char *s;
- char stop;
-{
- register char *p = s, c;
- int num;
-
- while ((c = *s++) && c != stop)
- switch (c) {
-
- case '^':
- if (*s)
- *p++ = *s++ - 0100;
- else
- *p++ = c;
- break;
-
- case '\\':
- num = 0;
- c = *s++;
- if (c >= '0' && c <= '7')
- num = (num<<3)+(c-'0');
- else {
- register char *q = "n\nr\rt\tb\bf\f";
-
- for (; *q; q++)
- if (c == *q++) {
- *p++ = *q;
- goto cont;
- }
- *p++ = c;
- cont:
- break;
- }
- if ((c = *s++) >= '0' && c <= '7') {
- num = (num<<3)+(c-'0');
- if ((c = *s++) >= '0' && c <= '7')
- num = (num<<3)+(c-'0');
- else
- s--;
- } else
- s--;
- *p++ = num;
- break;
-
- default:
- *p++ = c;
- }
- *p = '\0';
- return (c == stop ? s-1 : NULL);
-}
-
-/*
- * assign variable s with value v (for NUMBER or STRING or CHAR types)
- */
-
-vstring(s,v)
- register char *s;
- register char *v;
-{
- register value_t *p;
- char *expand();
-
- p = vlookup(s);
- if (p == 0)
- return (1);
- if (p->v_type&NUMBER)
- vassign(p, atoi(v));
- else {
- if (strcmp(s, "record") == 0)
- v = expand(v);
- vassign(p, v);
- }
- return (0);
-}
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