input.h revision 1.21 1 1.21 kre /* $NetBSD: input.h,v 1.21 2018/08/19 23:50:27 kre Exp $ */
2 1.7 cgd
3 1.1 cgd /*-
4 1.5 jtc * Copyright (c) 1991, 1993
5 1.5 jtc * The Regents of the University of California. All rights reserved.
6 1.1 cgd *
7 1.1 cgd * This code is derived from software contributed to Berkeley by
8 1.1 cgd * Kenneth Almquist.
9 1.1 cgd *
10 1.1 cgd * Redistribution and use in source and binary forms, with or without
11 1.1 cgd * modification, are permitted provided that the following conditions
12 1.1 cgd * are met:
13 1.1 cgd * 1. Redistributions of source code must retain the above copyright
14 1.1 cgd * notice, this list of conditions and the following disclaimer.
15 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 cgd * notice, this list of conditions and the following disclaimer in the
17 1.1 cgd * documentation and/or other materials provided with the distribution.
18 1.15 agc * 3. Neither the name of the University nor the names of its contributors
19 1.1 cgd * may be used to endorse or promote products derived from this software
20 1.1 cgd * without specific prior written permission.
21 1.1 cgd *
22 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 1.1 cgd * SUCH DAMAGE.
33 1.1 cgd *
34 1.8 christos * @(#)input.h 8.2 (Berkeley) 5/4/95
35 1.1 cgd */
36 1.1 cgd
37 1.1 cgd /* PEOF (the end of file marker) is defined in syntax.h */
38 1.1 cgd
39 1.1 cgd /*
40 1.1 cgd * The input line number. Input.c just defines this variable, and saves
41 1.1 cgd * and restores it when files are pushed and popped. The user of this
42 1.1 cgd * package must set its value.
43 1.1 cgd */
44 1.1 cgd extern int plinno;
45 1.1 cgd extern int parsenleft; /* number of characters left in input buffer */
46 1.18 kre extern const char *parsenextc; /* next character in input buffer */
47 1.5 jtc extern int init_editline; /* 0 == not setup, 1 == OK, -1 == failed */
48 1.20 kre extern int whichprompt; /* 1 ==> PS1, 2 ==> PS2 */
49 1.1 cgd
50 1.17 kre struct alias;
51 1.20 kre struct parsefile;
52 1.16 kre
53 1.14 christos char *pfgets(char *, int);
54 1.14 christos int pgetc(void);
55 1.14 christos int preadbuffer(void);
56 1.21 kre int at_eof(void);
57 1.14 christos void pungetc(void);
58 1.18 kre void pushstring(const char *, int, struct alias *);
59 1.14 christos void popstring(void);
60 1.14 christos void setinputfile(const char *, int);
61 1.14 christos void setinputfd(int, int);
62 1.19 kre void setinputstring(char *, int, int);
63 1.14 christos void popfile(void);
64 1.20 kre struct parsefile *getcurrentfile(void);
65 1.20 kre void popfilesupto(struct parsefile *);
66 1.14 christos void popallfiles(void);
67 1.14 christos void closescript(int);
68 1.1 cgd
69 1.1 cgd #define pgetc_macro() (--parsenleft >= 0? *parsenextc++ : preadbuffer())
70