xref: /freebsd/contrib/tcsh/sh.print.c (revision 5521ff5a4d1929056e7ffc982fac3341ca54df7c)
1 /* $Header: /src/pub/tcsh/sh.print.c,v 3.20 2000/06/11 02:14:15 kim Exp $ */
2 /*
3  * sh.print.c: Primitive Output routines.
4  */
5 /*-
6  * Copyright (c) 1980, 1991 The Regents of the University of California.
7  * All rights reserved.
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 #include "sh.h"
38 
39 RCSID("$Id: sh.print.c,v 3.20 2000/06/11 02:14:15 kim Exp $")
40 
41 #include "ed.h"
42 
43 extern int Tty_eight_bit;
44 extern int Tty_raw_mode;
45 extern Char GettingInput;
46 
47 int     lbuffed = 1;		/* true if line buffered */
48 
49 static	void	p2dig	__P((int));
50 
51 /*
52  * C Shell
53  */
54 
55 #if defined(BSDLIMIT) || defined(RLIMIT_CPU)
56 void
57 psecs(l)
58     long    l;
59 {
60     register int i;
61 
62     i = (int) (l / 3600);
63     if (i) {
64 	xprintf("%d:", i);
65 	i = (int) (l % 3600);
66 	p2dig(i / 60);
67 	goto minsec;
68     }
69     i = (int) l;
70     xprintf("%d", i / 60);
71 minsec:
72     i %= 60;
73     xprintf(":");
74     p2dig(i);
75 }
76 
77 #endif
78 
79 void
80 pcsecs(l)			/* PWP: print mm:ss.dd, l is in sec*100 */
81 #ifdef BSDTIMES
82     long    l;
83 #else /* BSDTIMES */
84 # ifndef POSIX
85     time_t  l;
86 # else /* POSIX */
87     clock_t l;
88 # endif /* POSIX */
89 #endif /* BSDTIMES */
90 {
91     register int i;
92 
93     i = (int) (l / 360000);
94     if (i) {
95 	xprintf("%d:", i);
96 	i = (int) ((l % 360000) / 100);
97 	p2dig(i / 60);
98 	goto minsec;
99     }
100     i = (int) (l / 100);
101     xprintf("%d", i / 60);
102 minsec:
103     i %= 60;
104     xprintf(":");
105     p2dig(i);
106     xprintf(".");
107     p2dig((int) (l % 100));
108 }
109 
110 static void
111 p2dig(i)
112     register int i;
113 {
114 
115     xprintf("%d%d", i / 10, i % 10);
116 }
117 
118 char    linbuf[2048];		/* was 128 */
119 char   *linp = linbuf;
120 bool    output_raw = 0;		/* PWP */
121 bool    xlate_cr   = 0;		/* HE */
122 
123 void
124 xputchar(c)
125     register int c;
126 {
127     int     atr = 0;
128 
129     atr |= c & ATTRIBUTES & TRIM;
130     c &= CHAR | QUOTE;
131     if (!output_raw && (c & QUOTE) == 0) {
132 	if (Iscntrl(c)) {
133 #ifdef COLORCAT
134 	    if (c != '\t' && c != '\n' && !(adrof(STRcolorcat) && c=='\033') && (xlate_cr || c != '\r')) {
135 #else
136 	    if (c != '\t' && c != '\n' && (xlate_cr || c != '\r')) {
137 #endif
138 		xputchar('^' | atr);
139 #ifdef IS_ASCII
140 		if (c == ASCII)
141 		    c = '?';
142 		else
143 		    c |= 0100;
144 #else
145 		if (c == CTL_ESC('\177'))
146 		    c = '?';
147 		else
148 		    c =_toebcdic[_toascii[c]|0100];
149 #endif
150 
151 	    }
152 	}
153 	else if (!Isprint(c)) {
154 	    xputchar('\\' | atr);
155 	    xputchar((((c >> 6) & 7) + '0') | atr);
156 	    xputchar((((c >> 3) & 7) + '0') | atr);
157 	    c = (c & 7) + '0';
158 	}
159 	(void) putraw(c | atr);
160     }
161     else {
162 	c &= TRIM;
163 	if (haderr ? (didfds ? is2atty : isdiagatty) :
164 	    (didfds ? is1atty : isoutatty))
165 	    SetAttributes(c | atr);
166 	(void) putpure(c);
167     }
168     if (lbuffed && (c & CHAR) == '\n')
169 	flush();
170 }
171 
172 int
173 putraw(c)
174     register int c;
175 {
176     if (haderr ? (didfds ? is2atty : isdiagatty) :
177 	(didfds ? is1atty : isoutatty)) {
178 	if (Tty_eight_bit == -1)
179 	    ed_set_tty_eight_bit();
180 	if (!Tty_eight_bit && (c & META)) {
181 	    c = (c & ~META) | STANDOUT;
182 	}
183 	SetAttributes(c);
184     }
185     return putpure(c);
186 }
187 
188 int
189 putpure(c)
190     register int c;
191 {
192     c &= CHAR;
193 
194     *linp++ = (char) c;
195     if (linp >= &linbuf[sizeof linbuf - 10])
196 	flush();
197     return (1);
198 }
199 
200 void
201 drainoline()
202 {
203     linp = linbuf;
204 }
205 
206 void
207 flush()
208 {
209     int unit;
210     static int interrupted = 0;
211     size_t sz;
212 
213     /* int lmode; */
214 
215     if (linp == linbuf)
216 	return;
217     if (GettingInput && !Tty_raw_mode && linp < &linbuf[sizeof linbuf - 10])
218 	return;
219     if (interrupted) {
220 	interrupted = 0;
221 	linp = linbuf;		/* avoid resursion as stderror calls flush */
222 	stderror(ERR_SILENT);
223     }
224     interrupted = 1;
225     if (haderr)
226 	unit = didfds ? 2 : SHDIAG;
227     else
228 	unit = didfds ? 1 : SHOUT;
229 #ifdef COMMENT
230 #ifdef TIOCLGET
231     if (didfds == 0 && ioctl(unit, TIOCLGET, (ioctl_t) & lmode) == 0 &&
232 	lmode & LFLUSHO) {
233 	lmode = LFLUSHO;
234 	(void) ioctl(unit, TIOCLBIC, (ioclt_t) & lmode);
235 	(void) write(unit, "\n", 1);
236     }
237 #endif
238 #endif
239     sz = (size_t) (linp - linbuf);
240     if (write(unit, linbuf, sz) == -1)
241 	switch (errno) {
242 #ifdef EIO
243 	/* We lost our tty */
244 	case EIO:
245 #endif
246 #ifdef ENXIO
247 	/*
248 	 * Deal with Digital Unix 4.0D bogocity, returning ENXIO when
249 	 * we lose our tty.
250 	 */
251 	case ENXIO:
252 #endif
253 	/*
254 	 * IRIX 6.4 bogocity?
255 	 */
256 #ifdef ENOTTY
257 	case ENOTTY:
258 #endif
259 #ifdef EBADF
260 	case EBADF:
261 #endif
262 #ifdef ESTALE
263 	/*
264 	 * Lost our file descriptor, exit (IRIS4D)
265 	 */
266 	case ESTALE:
267 #endif
268 	/*
269 	 * Over our quota, writing the history file
270 	 */
271 #ifdef EDQUOT
272 	case EDQUOT:
273 #endif
274 	/* Nothing to do, but die */
275 	    xexit(1);
276 	    break;
277 	default:
278 	    stderror(ERR_SILENT);
279 	    break;
280 	}
281 
282     linp = linbuf;
283     interrupted = 0;
284 }
285