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1 | /* |
1 | /* |
2 | * Copyright (c) 2008 Jiri Svoboda |
2 | * Copyright (c) 2008 Jiri Svoboda |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup cli cli |
29 | /** @addtogroup cli cli |
30 | * @brief Trivial command-line interface for running programs. |
30 | * @brief Trivial command-line interface for running programs. |
31 | * @{ |
31 | * @{ |
32 | */ |
32 | */ |
33 | /** |
33 | /** |
34 | * @file |
34 | * @file |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #include <stdio.h> |
37 | #include <stdio.h> |
38 | #include <stdlib.h> |
38 | #include <stdlib.h> |
39 | #include <task.h> |
39 | #include <task.h> |
40 | 40 | ||
41 | #define LINE_BUFFER_SIZE 128 |
41 | #define LINE_BUFFER_SIZE 128 |
42 | static char line_buffer[LINE_BUFFER_SIZE]; |
42 | static char line_buffer[LINE_BUFFER_SIZE]; |
43 | 43 | ||
44 | void read_line(char *buffer, int n) |
44 | void read_line(char *buffer, int n) |
45 | { |
45 | { |
46 | char c; |
46 | char c; |
47 | int chars; |
47 | int chars; |
48 | 48 | ||
49 | printf("> "); |
49 | printf("> "); |
50 | 50 | ||
51 | chars = 0; |
51 | chars = 0; |
52 | while (chars < n - 1) { |
52 | while (chars < n - 1) { |
53 | c = getchar(); |
53 | c = getchar(); |
54 | if (c == '\n') break; |
54 | if (c == '\n') break; |
55 | if (c == '\b') { |
55 | if (c == '\b') { |
56 | if (chars > 0) { |
56 | if (chars > 0) { |
57 | putchar('\b'); |
57 | putchar('\b'); |
58 | --chars; |
58 | --chars; |
59 | } |
59 | } |
60 | continue; |
60 | continue; |
61 | } |
61 | } |
62 | 62 | ||
63 | putchar(c); |
63 | putchar(c); |
64 | buffer[chars++] = c; |
64 | buffer[chars++] = c; |
65 | } |
65 | } |
66 | 66 | ||
67 | putchar('\n'); |
67 | putchar('\n'); |
68 | buffer[chars] = '\0'; |
68 | buffer[chars] = '\0'; |
69 | } |
69 | } |
70 | 70 | ||
71 | 71 | ||
72 | int main(int argc, char *argv[]) |
72 | int main(int argc, char *argv[]) |
73 | { |
73 | { |
74 | printf("This is CLI\n"); |
74 | printf("This is CLI\n"); |
- | 75 | return 0; |
|
75 | 76 | ||
76 | while (1) { |
77 | while (1) { |
77 | read_line(line_buffer, LINE_BUFFER_SIZE); |
78 | read_line(line_buffer, LINE_BUFFER_SIZE); |
78 | printf("'%s'\n", line_buffer); |
79 | printf("'%s'\n", line_buffer); |
79 | if (strcmp(line_buffer, "exit") == 0) |
80 | if (strcmp(line_buffer, "exit") == 0) |
80 | break; |
81 | break; |
81 | printf("spawn task\n"); |
82 | printf("spawn task\n"); |
82 | if (line_buffer[0] != '\0') |
83 | if (line_buffer[0] != '\0') |
83 | task_spawn(line_buffer, NULL); |
84 | task_spawn(line_buffer, NULL); |
84 | } |
85 | } |
85 | 86 | ||
86 | printf("Bye\n"); |
87 | printf("Bye\n"); |
87 | 88 | ||
88 | return 0; |
89 | return 0; |
89 | } |
90 | } |
90 | 91 | ||
91 | /** @} |
92 | /** @} |
92 | */ |
93 | */ |
93 | 94 | ||
94 | 95 |