File: el_sys_unix.c

package info (click to toggle)
speech-tools 1:2.5.0-5
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 9,848 kB
  • sloc: cpp: 67,350; ansic: 12,175; sh: 4,047; java: 3,748; makefile: 1,109; lisp: 711; perl: 501; awk: 85; xml: 9
file content (171 lines) | stat: -rw-r--r-- 5,619 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
/****************************************************************************/
/*                                                                          */
/* Copyright 1992 Simmule Turner and Rich Salz.  All rights reserved.       */
/*                                                                          */
/* This software is not subject to any license of the American Telephone    */
/* and Telegraph Company or of the Regents of the University of California. */
/*                                                                          */
/* Permission is granted to anyone to use this software for any purpose on  */
/* any computer system, and to alter it and redistribute it freely, subject */
/* to the following restrictions:                                           */
/* 1. The authors are not responsible for the consequences of use of this   */
/*    software, no matter how awful, even if they arise from flaws in it.   */
/* 2. The origin of this software must not be misrepresented, either by     */
/*    explicit claim or by omission.  Since few users ever read sources,    */
/*    credits must appear in the documentation.                             */
/* 3. Altered versions must be plainly marked as such, and must not be      */
/*    misrepresented as being the original software.  Since few users       */
/*    ever read sources, credits must appear in the documentation.          */
/* 4. This notice may not be removed or altered.                            */
/*                                                                          */
/****************************************************************************/
/*                                                                          */
/*  This is a line-editing library, it can be linked into almost any        */
/*  program to provide command-line editing and recall.                     */
/*                                                                          */
/*  Posted to comp.sources.misc Sun, 2 Aug 1992 03:05:27 GMT                */
/*      by rsalz@osf.org (Rich $alz)                                        */
/*                                                                          */
/****************************************************************************/
/*                                                                          */
/*  The version contained here has some modifications by awb@cstr.ed.ac.uk  */
/*  (Alan W Black) in order to integrate it with the Edinburgh Speech Tools */
/*  library and Scheme-in-one-defun in particular.  All modifications to    */
/*  to this work are continued with the same copyright above.  That is      */
/*  this version of editline does not have the "no commercial use"          */
/*  restriction that some of the rest of the EST library may have           */
/*  awb Dec 30 1998                                                         */
/*                                                                          */
/****************************************************************************/
/*  $Revision: 1.2 $
**
**  Unix system-dependant routines for editline library.
*/
#include "editline.h"

#include <unistd.h>
#include <sys/types.h>
#include <signal.h>

extern CONST ECHAR el_NIL[];

int el_user_intr = 0;
int el_PushBack=0;
int el_Pushed=0;
CONST ECHAR	*el_Input = el_NIL;

extern void TTYflush();

#if	defined(HAVE_TCGETATTR)
#include <termios.h>

void rl_ttyset(int Reset)
{
    static struct termios	old;
    struct termios		new;

    if (Reset == 0) {
	(void)tcgetattr(0, &old);
	rl_erase = old.c_cc[VERASE];
	rl_kill = old.c_cc[VKILL];
	rl_eof = old.c_cc[VEOF];
	rl_intr = old.c_cc[VINTR];
	rl_quit = old.c_cc[VQUIT];

	new = old;
	new.c_cc[VINTR] = -1;
	new.c_cc[VQUIT] = -1;
	new.c_lflag &= ~(ECHO | ICANON);
	new.c_iflag &= ~(ISTRIP | INPCK);
	new.c_cc[VMIN] = 1;
	new.c_cc[VTIME] = 0;
#ifdef VDSUSP
         /* On Solaris (non-posix) DSUSP is ^Y, cancel it (awb 30/12/98) */
	new.c_cc[VDSUSP] = -1;
#endif
	    
	(void)tcsetattr(0, TCSANOW, &new);
    }
    else
	(void)tcsetattr(0, TCSANOW, &old);
}

#else
#include <sgtty.h>

void rl_ttyset(int Reset)
{
    static struct sgttyb	old_sgttyb;
    static struct tchars	old_tchars;
    struct sgttyb		new_sgttyb;
    struct tchars		new_tchars;

    if (Reset == 0) {
	(void)ioctl(0, TIOCGETP, &old_sgttyb);
	rl_erase = old_sgttyb.sg_erase;
	rl_kill = old_sgttyb.sg_kill;

	(void)ioctl(0, TIOCGETC, &old_tchars);
	rl_eof = old_tchars.t_eofc;
	rl_intr = old_tchars.t_intrc;
	rl_quit = old_tchars.t_quitc;

	new_sgttyb = old_sgttyb;
	new_sgttyb.sg_flags &= ~ECHO;
	new_sgttyb.sg_flags |= RAW;
#if	defined(PASS8)
	new_sgttyb.sg_flags |= PASS8;
#endif	/* defined(PASS8) */
	(void)ioctl(0, TIOCSETP, &new_sgttyb);

	new_tchars = old_tchars;
	new_tchars.t_intrc = -1;
	new_tchars.t_quitc = -1;
	(void)ioctl(0, TIOCSETC, &new_tchars);
    }
    else {
	(void)ioctl(0, TIOCSETP, &old_sgttyb);
	(void)ioctl(0, TIOCSETC, &old_tchars);
    }
}
#endif	/* defined(HAVE_TCGETATTR) */

unsigned int TTYget()
{
    ECHAR	c;
    int s;

    TTYflush();
    if (el_Pushed) {
	el_Pushed = 0;
	return el_PushBack;
    }
    if (*el_Input)
	return *el_Input++;
    s = read(0, &c, (ESIZE_T)1) == 1 ? c : EOF;
    return s;
}

void rl_add_slash(char *path,char *p)
{
    struct stat	Sb;

    if (stat(path, &Sb) >= 0)
	(void)strcat(p, S_ISDIR(Sb.st_mode) ? "/" : " ");
}

int el_is_directory(char *path)
{
    struct stat	Sb;

    if ((stat(path, &Sb) >= 0) && S_ISDIR(Sb.st_mode))
	return 1;
    else
	return 0;
}

void do_user_intr()
{
    if (el_user_intr)
	kill(getpid(),SIGINT);
}