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
|
#ifndef SH_H
#define SH_H
/*
* UNG's Not GNU
*
* Copyright (c) 2011-2017, Jakob Kaivo <jkk@ung.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#define _XOPEN_SOURCE 700
#define _POSIX_C_SOURCE 200809L
struct sh_redirect {
int fd;
enum { WRITE, APPEND, OVERWRITE, WRITEFD, READWRITE, READ, READFD, READHERE, READDASH } direction;
char *name;
};
struct sh_redirect *sh_add_redirect(int fd, int direction, char *name);
struct sh_command {
int argc;
char *cmd;
char **argv;
struct sh_redirect *redirect;
};
struct command;
struct command *sh_parse(const char *cmdline);
void sh_freecmd(struct command *cmd);
int sh_execute(struct command *cmd);
char *sh_get_alias(const char *cmd);
void sh_set(char option, int value);
void sh_seto(char *option, int value);
int sh_get(char option);
int sh_geto(char *option);
int sh_interactive(void);
int sh_is_special_builtin(const char *util);
int sh_is_regular_builtin(const char *util);
int (*sh_get_builtin(const char *util))(int argc, char *argv[]);
int sh_builtin(int argc, char *argv[]);
enum { BREAK = -1, CONTINUE = -2, RETURN = -3 };
char *sh_find_in_path(const char *file, const char *pathvar);
void sh_export(const char *var);
extern char **exported_environ;
void sh_init(int interactive);
enum { HUP = 1, INT = 2, QUIT = 3, ABRT = 6, KILL = 9, ALRM = 14, TERM = 15 };
void sh_trap(int trapno);
int yyparse(void);
#define getopt sh_getopt
#endif
|
