1/*-
2 * Copyright (c) 1992 Keith Muller.
3 * Copyright (c) 1992, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Keith Muller of the University of California, San Diego.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38#ifndef lint
39#if 0
40static char sccsid[] = "@(#)tty_subs.c 8.2 (Berkeley) 4/18/94";
41#endif
42static const char rcsid[] =
| 1/*-
2 * Copyright (c) 1992 Keith Muller.
3 * Copyright (c) 1992, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Keith Muller of the University of California, San Diego.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38#ifndef lint
39#if 0
40static char sccsid[] = "@(#)tty_subs.c 8.2 (Berkeley) 4/18/94";
41#endif
42static const char rcsid[] =
|
43 "$FreeBSD: head/bin/pax/tty_subs.c 90110 2002-02-02 06:48:10Z imp $";
| 43 "$FreeBSD: head/bin/pax/tty_subs.c 90113 2002-02-02 07:07:59Z imp $";
|
44#endif /* not lint */
45
46#include <sys/types.h>
47#include <sys/stat.h>
48#include <fcntl.h>
49#include <stdio.h>
50#include <unistd.h>
51#include <stdlib.h>
52#include <string.h>
53#include "pax.h"
54#include "extern.h"
55#include <stdarg.h>
56
57/*
58 * routines that deal with I/O to and from the user
59 */
60
61#define DEVTTY "/dev/tty" /* device for interactive i/o */
62static FILE *ttyoutf = NULL; /* output pointing at control tty */
63static FILE *ttyinf = NULL; /* input pointing at control tty */
64
65/*
66 * tty_init()
67 * try to open the controlling terminal (if any) for this process. if the
68 * open fails, future ops that require user input will get an EOF
69 */
70
71int
72tty_init(void)
73{
74 int ttyfd;
75
76 if ((ttyfd = open(DEVTTY, O_RDWR)) >= 0) {
77 if ((ttyoutf = fdopen(ttyfd, "w")) != NULL) {
78 if ((ttyinf = fdopen(ttyfd, "r")) != NULL)
79 return(0);
80 (void)fclose(ttyoutf);
81 }
82 (void)close(ttyfd);
83 }
84
85 if (iflag) {
86 paxwarn(1, "Fatal error, cannot open %s", DEVTTY);
87 return(-1);
88 }
89 return(0);
90}
91
92/*
93 * tty_prnt()
94 * print a message using the specified format to the controlling tty
95 * if there is no controlling terminal, just return.
96 */
97
98void
99tty_prnt(const char *fmt, ...)
100{
101 va_list ap;
102 va_start(ap, fmt);
103 if (ttyoutf == NULL)
104 return;
105 (void)vfprintf(ttyoutf, fmt, ap);
106 va_end(ap);
107 (void)fflush(ttyoutf);
108}
109
110/*
111 * tty_read()
112 * read a string from the controlling terminal if it is open into the
113 * supplied buffer
114 * Return:
115 * 0 if data was read, -1 otherwise.
116 */
117
118int
119tty_read(char *str, int len)
120{
| 44#endif /* not lint */
45
46#include <sys/types.h>
47#include <sys/stat.h>
48#include <fcntl.h>
49#include <stdio.h>
50#include <unistd.h>
51#include <stdlib.h>
52#include <string.h>
53#include "pax.h"
54#include "extern.h"
55#include <stdarg.h>
56
57/*
58 * routines that deal with I/O to and from the user
59 */
60
61#define DEVTTY "/dev/tty" /* device for interactive i/o */
62static FILE *ttyoutf = NULL; /* output pointing at control tty */
63static FILE *ttyinf = NULL; /* input pointing at control tty */
64
65/*
66 * tty_init()
67 * try to open the controlling terminal (if any) for this process. if the
68 * open fails, future ops that require user input will get an EOF
69 */
70
71int
72tty_init(void)
73{
74 int ttyfd;
75
76 if ((ttyfd = open(DEVTTY, O_RDWR)) >= 0) {
77 if ((ttyoutf = fdopen(ttyfd, "w")) != NULL) {
78 if ((ttyinf = fdopen(ttyfd, "r")) != NULL)
79 return(0);
80 (void)fclose(ttyoutf);
81 }
82 (void)close(ttyfd);
83 }
84
85 if (iflag) {
86 paxwarn(1, "Fatal error, cannot open %s", DEVTTY);
87 return(-1);
88 }
89 return(0);
90}
91
92/*
93 * tty_prnt()
94 * print a message using the specified format to the controlling tty
95 * if there is no controlling terminal, just return.
96 */
97
98void
99tty_prnt(const char *fmt, ...)
100{
101 va_list ap;
102 va_start(ap, fmt);
103 if (ttyoutf == NULL)
104 return;
105 (void)vfprintf(ttyoutf, fmt, ap);
106 va_end(ap);
107 (void)fflush(ttyoutf);
108}
109
110/*
111 * tty_read()
112 * read a string from the controlling terminal if it is open into the
113 * supplied buffer
114 * Return:
115 * 0 if data was read, -1 otherwise.
116 */
117
118int
119tty_read(char *str, int len)
120{
|
121 register char *pt;
| 121 char *pt;
|
122
123 if ((--len <= 0) || (ttyinf == NULL) || (fgets(str,len,ttyinf) == NULL))
124 return(-1);
125 *(str + len) = '\0';
126
127 /*
128 * strip off that trailing newline
129 */
130 if ((pt = strchr(str, '\n')) != NULL)
131 *pt = '\0';
132 return(0);
133}
134
135/*
136 * paxwarn()
137 * write a warning message to stderr. if "set" the exit value of pax
138 * will be non-zero.
139 */
140
141void
142paxwarn(int set, const char *fmt, ...)
143{
144 va_list ap;
145 va_start(ap, fmt);
146 if (set)
147 exit_val = 1;
148 /*
149 * when vflag we better ship out an extra \n to get this message on a
150 * line by itself
151 */
152 if (vflag && vfpart) {
153 (void)fflush(listf);
154 (void)fputc('\n', stderr);
155 vfpart = 0;
156 }
157 (void)fprintf(stderr, "%s: ", argv0);
158 (void)vfprintf(stderr, fmt, ap);
159 va_end(ap);
160 (void)fputc('\n', stderr);
161}
162
163/*
164 * syswarn()
165 * write a warning message to stderr. if "set" the exit value of pax
166 * will be non-zero.
167 */
168
169void
170syswarn(int set, int errnum, const char *fmt, ...)
171{
172 va_list ap;
173 va_start(ap, fmt);
174 if (set)
175 exit_val = 1;
176 /*
177 * when vflag we better ship out an extra \n to get this message on a
178 * line by itself
179 */
180 if (vflag && vfpart) {
181 (void)fflush(listf);
182 (void)fputc('\n', stderr);
183 vfpart = 0;
184 }
185 (void)fprintf(stderr, "%s: ", argv0);
186 (void)vfprintf(stderr, fmt, ap);
187 va_end(ap);
188
189 /*
190 * format and print the errno
191 */
192 if (errnum > 0)
193 (void)fprintf(stderr, " <%s>", strerror(errnum));
194 (void)fputc('\n', stderr);
195}
| 122
123 if ((--len <= 0) || (ttyinf == NULL) || (fgets(str,len,ttyinf) == NULL))
124 return(-1);
125 *(str + len) = '\0';
126
127 /*
128 * strip off that trailing newline
129 */
130 if ((pt = strchr(str, '\n')) != NULL)
131 *pt = '\0';
132 return(0);
133}
134
135/*
136 * paxwarn()
137 * write a warning message to stderr. if "set" the exit value of pax
138 * will be non-zero.
139 */
140
141void
142paxwarn(int set, const char *fmt, ...)
143{
144 va_list ap;
145 va_start(ap, fmt);
146 if (set)
147 exit_val = 1;
148 /*
149 * when vflag we better ship out an extra \n to get this message on a
150 * line by itself
151 */
152 if (vflag && vfpart) {
153 (void)fflush(listf);
154 (void)fputc('\n', stderr);
155 vfpart = 0;
156 }
157 (void)fprintf(stderr, "%s: ", argv0);
158 (void)vfprintf(stderr, fmt, ap);
159 va_end(ap);
160 (void)fputc('\n', stderr);
161}
162
163/*
164 * syswarn()
165 * write a warning message to stderr. if "set" the exit value of pax
166 * will be non-zero.
167 */
168
169void
170syswarn(int set, int errnum, const char *fmt, ...)
171{
172 va_list ap;
173 va_start(ap, fmt);
174 if (set)
175 exit_val = 1;
176 /*
177 * when vflag we better ship out an extra \n to get this message on a
178 * line by itself
179 */
180 if (vflag && vfpart) {
181 (void)fflush(listf);
182 (void)fputc('\n', stderr);
183 vfpart = 0;
184 }
185 (void)fprintf(stderr, "%s: ", argv0);
186 (void)vfprintf(stderr, fmt, ap);
187 va_end(ap);
188
189 /*
190 * format and print the errno
191 */
192 if (errnum > 0)
193 (void)fprintf(stderr, " <%s>", strerror(errnum));
194 (void)fputc('\n', stderr);
195}
|