xref: /freebsd/contrib/tcsh/sh.print.c (revision 71fe318b852b8dfb3e799cb12ef184750f7f8eac)
1 /* $Header: /src/pub/tcsh/sh.print.c,v 3.21 2002/03/08 17:36:46 christos 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. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 #include "sh.h"
34 
35 RCSID("$Id: sh.print.c,v 3.21 2002/03/08 17:36:46 christos Exp $")
36 
37 #include "ed.h"
38 
39 extern int Tty_eight_bit;
40 extern int Tty_raw_mode;
41 extern Char GettingInput;
42 
43 int     lbuffed = 1;		/* true if line buffered */
44 
45 static	void	p2dig	__P((int));
46 
47 /*
48  * C Shell
49  */
50 
51 #if defined(BSDLIMIT) || defined(RLIMIT_CPU)
52 void
53 psecs(l)
54     long    l;
55 {
56     register int i;
57 
58     i = (int) (l / 3600);
59     if (i) {
60 	xprintf("%d:", i);
61 	i = (int) (l % 3600);
62 	p2dig(i / 60);
63 	goto minsec;
64     }
65     i = (int) l;
66     xprintf("%d", i / 60);
67 minsec:
68     i %= 60;
69     xprintf(":");
70     p2dig(i);
71 }
72 
73 #endif
74 
75 void
76 pcsecs(l)			/* PWP: print mm:ss.dd, l is in sec*100 */
77 #ifdef BSDTIMES
78     long    l;
79 #else /* BSDTIMES */
80 # ifndef POSIX
81     time_t  l;
82 # else /* POSIX */
83     clock_t l;
84 # endif /* POSIX */
85 #endif /* BSDTIMES */
86 {
87     register int i;
88 
89     i = (int) (l / 360000);
90     if (i) {
91 	xprintf("%d:", i);
92 	i = (int) ((l % 360000) / 100);
93 	p2dig(i / 60);
94 	goto minsec;
95     }
96     i = (int) (l / 100);
97     xprintf("%d", i / 60);
98 minsec:
99     i %= 60;
100     xprintf(":");
101     p2dig(i);
102     xprintf(".");
103     p2dig((int) (l % 100));
104 }
105 
106 static void
107 p2dig(i)
108     register int i;
109 {
110 
111     xprintf("%d%d", i / 10, i % 10);
112 }
113 
114 char    linbuf[2048];		/* was 128 */
115 char   *linp = linbuf;
116 bool    output_raw = 0;		/* PWP */
117 bool    xlate_cr   = 0;		/* HE */
118 
119 void
120 xputchar(c)
121     register int c;
122 {
123     int     atr = 0;
124 
125     atr |= c & ATTRIBUTES & TRIM;
126     c &= CHAR | QUOTE;
127     if (!output_raw && (c & QUOTE) == 0) {
128 	if (Iscntrl(c)) {
129 #ifdef COLORCAT
130 	    if (c != '\t' && c != '\n' && !(adrof(STRcolorcat) && c=='\033') && (xlate_cr || c != '\r')) {
131 #else
132 	    if (c != '\t' && c != '\n' && (xlate_cr || c != '\r')) {
133 #endif
134 		xputchar('^' | atr);
135 #ifdef IS_ASCII
136 		if (c == ASCII)
137 		    c = '?';
138 		else
139 		    c |= 0100;
140 #else
141 		if (c == CTL_ESC('\177'))
142 		    c = '?';
143 		else
144 		    c =_toebcdic[_toascii[c]|0100];
145 #endif
146 
147 	    }
148 	}
149 	else if (!Isprint(c)) {
150 	    xputchar('\\' | atr);
151 	    xputchar((((c >> 6) & 7) + '0') | atr);
152 	    xputchar((((c >> 3) & 7) + '0') | atr);
153 	    c = (c & 7) + '0';
154 	}
155 	(void) putraw(c | atr);
156     }
157     else {
158 	c &= TRIM;
159 	if (haderr ? (didfds ? is2atty : isdiagatty) :
160 	    (didfds ? is1atty : isoutatty))
161 	    SetAttributes(c | atr);
162 	(void) putpure(c);
163     }
164     if (lbuffed && (c & CHAR) == '\n')
165 	flush();
166 }
167 
168 int
169 putraw(c)
170     register int c;
171 {
172     if (haderr ? (didfds ? is2atty : isdiagatty) :
173 	(didfds ? is1atty : isoutatty)) {
174 	if (Tty_eight_bit == -1)
175 	    ed_set_tty_eight_bit();
176 	if (!Tty_eight_bit && (c & META)) {
177 	    c = (c & ~META) | STANDOUT;
178 	}
179 	SetAttributes(c);
180     }
181     return putpure(c);
182 }
183 
184 int
185 putpure(c)
186     register int c;
187 {
188     c &= CHAR;
189 
190     *linp++ = (char) c;
191     if (linp >= &linbuf[sizeof linbuf - 10])
192 	flush();
193     return (1);
194 }
195 
196 void
197 drainoline()
198 {
199     linp = linbuf;
200 }
201 
202 void
203 flush()
204 {
205     int unit;
206     static int interrupted = 0;
207     size_t sz;
208 
209     /* int lmode; */
210 
211     if (linp == linbuf)
212 	return;
213     if (GettingInput && !Tty_raw_mode && linp < &linbuf[sizeof linbuf - 10])
214 	return;
215     if (interrupted) {
216 	interrupted = 0;
217 	linp = linbuf;		/* avoid resursion as stderror calls flush */
218 	stderror(ERR_SILENT);
219     }
220     interrupted = 1;
221     if (haderr)
222 	unit = didfds ? 2 : SHDIAG;
223     else
224 	unit = didfds ? 1 : SHOUT;
225 #ifdef COMMENT
226 #ifdef TIOCLGET
227     if (didfds == 0 && ioctl(unit, TIOCLGET, (ioctl_t) & lmode) == 0 &&
228 	lmode & LFLUSHO) {
229 	lmode = LFLUSHO;
230 	(void) ioctl(unit, TIOCLBIC, (ioclt_t) & lmode);
231 	(void) write(unit, "\n", 1);
232     }
233 #endif
234 #endif
235     sz = (size_t) (linp - linbuf);
236     if (write(unit, linbuf, sz) == -1)
237 	switch (errno) {
238 #ifdef EIO
239 	/* We lost our tty */
240 	case EIO:
241 #endif
242 #ifdef ENXIO
243 	/*
244 	 * Deal with Digital Unix 4.0D bogocity, returning ENXIO when
245 	 * we lose our tty.
246 	 */
247 	case ENXIO:
248 #endif
249 	/*
250 	 * IRIX 6.4 bogocity?
251 	 */
252 #ifdef ENOTTY
253 	case ENOTTY:
254 #endif
255 #ifdef EBADF
256 	case EBADF:
257 #endif
258 #ifdef ESTALE
259 	/*
260 	 * Lost our file descriptor, exit (IRIS4D)
261 	 */
262 	case ESTALE:
263 #endif
264 	/*
265 	 * Over our quota, writing the history file
266 	 */
267 #ifdef EDQUOT
268 	case EDQUOT:
269 #endif
270 	/* Nothing to do, but die */
271 	    xexit(1);
272 	    break;
273 	default:
274 	    stderror(ERR_SILENT);
275 	    break;
276 	}
277 
278     linp = linbuf;
279     interrupted = 0;
280 }
281