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Diffstat (limited to 'usr/src/cmd/tip/remcap.c')
-rw-r--r--usr/src/cmd/tip/remcap.c117
1 files changed, 62 insertions, 55 deletions
diff --git a/usr/src/cmd/tip/remcap.c b/usr/src/cmd/tip/remcap.c
index ee515cf077..5159d8b4e2 100644
--- a/usr/src/cmd/tip/remcap.c
+++ b/usr/src/cmd/tip/remcap.c
@@ -1,14 +1,14 @@
/*
- * Copyright (c) 2000,2001 by Sun Microsystems, Inc.
- * All rights reserved.
+ * Copyright 2001 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
*/
-/* from UCB 4.8 6/25/83 */
/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
+
#pragma ident "%Z%%M% %I% %E% SMI"
/*
@@ -24,6 +24,11 @@
#include <ctype.h>
#endif
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <ctype.h>
+
#ifndef BUFSIZ
#define BUFSIZ 1024
#endif
@@ -56,13 +61,20 @@ char *RM;
* doesn't, and because living w/o it is not hard.
*/
-static char *tbuf;
-static int hopcount; /* detect infinite loops in termcap, init 0 */
-char *tskip();
-char *tgetstr();
-char *tdecode();
-char *getenv();
-static char *remotefile;
+static char *tbuf;
+static int hopcount; /* detect infinite loops in termcap, init 0 */
+static char *remotefile;
+
+static char *tskip(char *);
+static char *tdecode(char *, char **);
+
+char *tgetstr(char *, char **);
+int getent(char *, char *, char *, int);
+int tnchktc(void);
+int tnamatch(char *);
+
+extern void myperm(void);
+extern void userperm(void);
/*
* If we use a user specified entry to get the device name,
@@ -75,9 +87,8 @@ int trusted_device = 0;
* from the termcap file. Parse is very rudimentary;
* we just notice escaped newlines.
*/
-tgetent(bp, name, len)
- char *bp, *name;
- int len;
+int
+tgetent(char *bp, char *name, int len)
{
char lbuf[BUFSIZ], *cp, *p;
int rc1, rc2;
@@ -101,22 +112,21 @@ tgetent(bp, name, len)
while (*p++ != ':')
;
if (strlen(bp) + strlen(p) >= len) {
- write(2, "Remcap entry too long\n", 23);
+ (void) write(2, "Remcap entry too long\n", 23);
return (-1);
}
- strcat(bp, p);
+ (void) strcat(bp, p);
}
tbuf = bp;
return (1);
}
}
-getent(bp, name, cp, len)
- char *bp, *name, *cp;
- int len;
+int
+getent(char *bp, char *name, char *cp, int len)
{
- register int c;
- register int i = 0, cnt = 0;
+ int c;
+ int i = 0, cnt = 0;
char ibuf[BUFSIZ], *cp2;
int tf;
int safe = 1; /* reset only when we open the user's $REMOTE */
@@ -136,7 +146,7 @@ getent(bp, name, cp, len)
if (cp2 == (char *)0 || strcmp(name, cp2) == 0) {
if (strstr(cp, "dv=") != 0)
trusted_device = 0;
- strncpy(bp, cp, len-1);
+ (void) strncpy(bp, cp, len-1);
bp[len-1] = '\0';
return (tnchktc());
} else
@@ -161,7 +171,7 @@ getent(bp, name, cp, len)
if (i == cnt) {
cnt = read(tf, ibuf, BUFSIZ);
if (cnt <= 0) {
- close(tf);
+ (void) close(tf);
return (0);
}
i = 0;
@@ -175,7 +185,7 @@ getent(bp, name, cp, len)
break;
}
if (cp >= bp+len) {
- write(2, "Remcap entry too long\n", 23);
+ (void) write(2, "Remcap entry too long\n", 23);
break;
} else
*cp++ = c;
@@ -192,7 +202,7 @@ getent(bp, name, cp, len)
*/
if (!safe && strstr(bp, "dv=") != 0)
trusted_device = 0;
- close(tf);
+ (void) close(tf);
return (tnchktc());
}
}
@@ -205,32 +215,32 @@ getent(bp, name, cp, len)
* entries to say "like an HP2621 but doesn't turn on the labels".
* Note that this works because of the left to right scan.
*/
-tnchktc()
+int
+tnchktc(void)
{
- register char *p, *q;
+ char *p, *q;
char tcname[64]; /* name of similar terminal */
char tcbuf[BUFSIZ];
char *holdtbuf = tbuf;
int l;
- char *cp;
p = tbuf + strlen(tbuf) - 2; /* before the last colon */
while (*--p != ':')
if (p < tbuf) {
- write(2, "Bad remcap entry\n", 18);
+ (void) write(2, "Bad remcap entry\n", 18);
return (0);
}
p++;
/* p now points to beginning of last field */
if (p[0] != 't' || p[1] != 'c')
return (1);
- strlcpy(tcname, p+3, sizeof (tcname));
+ (void) strlcpy(tcname, p+3, sizeof (tcname));
q = tcname;
while (*q && *q != ':')
q++;
*q = 0;
if (++hopcount > MAXHOP) {
- write(2, "Infinite tc= loop\n", 18);
+ (void) write(2, "Infinite tc= loop\n", 18);
return (0);
}
if (getent(tcbuf, tcname, remotefile, sizeof (tcbuf)) != 1) {
@@ -243,10 +253,10 @@ tnchktc()
;
l = p - holdtbuf + strlen(q);
if (l > BUFSIZ) {
- write(2, "Remcap entry too long\n", 23);
+ (void) write(2, "Remcap entry too long\n", 23);
q[BUFSIZ - (p-holdtbuf)] = 0;
}
- strcpy(p, q);
+ (void) strcpy(p, q);
tbuf = holdtbuf;
return (1);
}
@@ -257,10 +267,10 @@ tnchktc()
* against each such name. The normal : terminator after the last
* name (before the first field) stops us.
*/
-tnamatch(np)
- char *np;
+int
+tnamatch(char *np)
{
- register char *Np, *Bp;
+ char *Np, *Bp;
Bp = tbuf;
if (*Bp == '#')
@@ -284,8 +294,7 @@ tnamatch(np)
* into the termcap file in octal.
*/
static char *
-tskip(bp)
- register char *bp;
+tskip(char *bp)
{
while (*bp && *bp != ':')
@@ -308,11 +317,11 @@ tskip(bp)
* a # character. If the option is not found we return -1.
* Note that we handle octal numbers beginning with 0.
*/
-tgetnum(id)
- char *id;
+int
+tgetnum(char *id)
{
- register int i, base;
- register char *bp = tbuf;
+ int i, base;
+ char *bp = tbuf;
for (;;) {
bp = tskip(bp);
@@ -341,10 +350,10 @@ tgetnum(id)
* of the buffer. Return 1 if we find the option, or 0 if it is
* not given.
*/
-tgetflag(id)
- char *id;
+int
+tgetflag(char *id)
{
- register char *bp = tbuf;
+ char *bp = tbuf;
for (;;) {
bp = tskip(bp);
@@ -368,10 +377,9 @@ tgetflag(id)
* No checking on area overflow.
*/
char *
-tgetstr(id, area)
- char *id, **area;
+tgetstr(char *id, char **area)
{
- register char *bp = tbuf;
+ char *bp = tbuf;
for (;;) {
bp = tskip(bp);
@@ -393,17 +401,15 @@ tgetstr(id, area)
* string capability escapes.
*/
static char *
-tdecode(str, area)
- register char *str;
- char **area;
+tdecode(char *str, char **area)
{
- register char *cp;
- register int c;
- register char *dp;
+ char *cp;
+ int c;
+ char *dp;
int i;
cp = *area;
- while ((c = *str++) && c != ':') {
+ while ((c = *str++) != 0 && c != ':') {
switch (c) {
case '^':
@@ -425,7 +431,8 @@ nextc:
c -= '0', i = 2;
do
c <<= 3, c |= *str++ - '0';
- while (--i && isdigit(*str));
+ while (--i && isdigit(*str))
+ ;
}
break;
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-04 23:20:01 +0000