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1 | /* Copyright (c) 2008, Tim Post <tinkertim@gmail.com> |
1 | /* Copyright (c) 2008, Tim Post <tinkertim@gmail.com> |
2 | * All rights reserved. |
2 | * All rights reserved. |
3 | * |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions are met: |
5 | * modification, are permitted provided that the following conditions are met: |
6 | * |
6 | * |
7 | * Redistributions of source code must retain the above copyright notice, this |
7 | * Redistributions of source code must retain the above copyright notice, this |
8 | * list of conditions and the following disclaimer. |
8 | * list of conditions and the following disclaimer. |
9 | * |
9 | * |
10 | * Redistributions in binary form must reproduce the above copyright notice, |
10 | * Redistributions in binary form must reproduce the above copyright notice, |
11 | * this list of conditions and the following disclaimer in the documentation |
11 | * this list of conditions and the following disclaimer in the documentation |
12 | * and/or other materials provided with the distribution. |
12 | * and/or other materials provided with the distribution. |
13 | * |
13 | * |
14 | * Neither the name of the original program's authors nor the names of its |
14 | * Neither the name of the original program's authors nor the names of its |
15 | * contributors may be used to endorse or promote products derived from this |
15 | * contributors may be used to endorse or promote products derived from this |
16 | * software without specific prior written permission. |
16 | * software without specific prior written permission. |
17 | * |
17 | * |
18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
28 | * POSSIBILITY OF SUCH DAMAGE. |
28 | * POSSIBILITY OF SUCH DAMAGE. |
29 | */ |
29 | */ |
30 | 30 | ||
31 | #include <stdio.h> |
31 | #include <stdio.h> |
32 | #include <stdlib.h> |
32 | #include <stdlib.h> |
33 | #include <unistd.h> |
33 | #include <unistd.h> |
34 | #include <string.h> |
34 | #include <string.h> |
35 | #include <errno.h> |
35 | #include <errno.h> |
36 | 36 | ||
37 | #include "util.h" |
37 | #include "util.h" |
38 | #include "errors.h" |
38 | #include "errors.h" |
39 | #include "entry.h" |
39 | #include "entry.h" |
40 | #include "cmds.h" |
40 | #include "cmds.h" |
41 | #include "cd.h" |
41 | #include "cd.h" |
42 | 42 | ||
43 | static char * cmdname = "cd"; |
43 | static char * cmdname = "cd"; |
44 | 44 | ||
45 | void * help_cmd_cd(unsigned int level) |
45 | void * help_cmd_cd(unsigned int level) |
46 | { |
46 | { |
47 | if (level == HELP_SHORT) { |
47 | if (level == HELP_SHORT) { |
48 | printf("`%s' changes the current working directory.\n", cmdname); |
48 | printf("`%s' changes the current working directory.\n", cmdname); |
49 | } else { |
49 | } else { |
50 | printf( |
50 | printf( |
51 | " %s <directory>\n" |
51 | " %s <directory>\n" |
52 | " Change directory to <directory>, e.g `%s /sbin'\n", |
52 | " Change directory to <directory>, e.g `%s /sbin'\n", |
53 | cmdname, cmdname); |
53 | cmdname, cmdname); |
54 | } |
54 | } |
55 | 55 | ||
56 | return CMD_VOID; |
56 | return CMD_VOID; |
57 | } |
57 | } |
58 | 58 | ||
59 | /* This is a very rudamentary 'cd' command. It is not 'link smart' (yet) */ |
59 | /* This is a very rudamentary 'cd' command. It is not 'link smart' (yet) */ |
60 | 60 | ||
61 | int * cmd_cd(char **argv, cliuser_t *usr) |
61 | int * cmd_cd(char **argv, cliuser_t *usr) |
62 | { |
62 | { |
63 | int argc, rc = 0; |
63 | int argc, rc = 0; |
64 | 64 | ||
65 | argc = cli_count_args(argv); |
65 | argc = cli_count_args(argv); |
66 | 66 | ||
67 | /* We don't yet play nice with whitespace, a getopt implementation should |
67 | /* We don't yet play nice with whitespace, a getopt implementation should |
68 | * protect "quoted\ destination" as a single argument. Its not our job to |
68 | * protect "quoted\ destination" as a single argument. Its not our job to |
69 | * look for && || or redirection as the tokenizer should have done that |
69 | * look for && || or redirection as the tokenizer should have done that |
70 | * (currently, it does not) */ |
70 | * (currently, it does not) */ |
71 | 71 | ||
72 | if (argc > 2) { |
72 | if (argc > 2) { |
73 | cli_error(CL_EFAIL, "Too many arguments to `%s'", cmdname); |
73 | cli_error(CL_EFAIL, "Too many arguments to `%s'", cmdname); |
74 | return CMD_FAILURE; |
74 | return CMD_FAILURE; |
75 | } |
75 | } |
76 | 76 | ||
77 | if (argc < 2) { |
77 | if (argc < 2) { |
78 | printf("%s - no directory specified. Try `help %s extended'\n", |
78 | printf("%s - no directory specified. Try `help %s extended'\n", |
79 | cmdname, cmdname); |
79 | cmdname, cmdname); |
80 | return CMD_FAILURE; |
80 | return CMD_FAILURE; |
81 | } |
81 | } |
82 | 82 | ||
83 | /* We have the correct # of arguments |
83 | /* We have the correct # of arguments |
84 | * TODO: handle tidle (~) expansion? */ |
84 | * TODO: handle tidle (~) expansion? */ |
85 | 85 | ||
86 | rc = chdir(argv[1]); |
86 | rc = chdir(argv[1]); |
87 | 87 | ||
88 | if (rc == 0) { |
88 | if (rc == 0) { |
89 | cli_set_prompt(usr); |
89 | cli_set_prompt(usr); |
90 | return CMD_SUCCESS; |
90 | return CMD_SUCCESS; |
91 | } else { |
91 | } else { |
92 | switch (rc) { |
92 | switch (rc) { |
93 | case ENOMEM: |
93 | case ENOMEM: |
94 | cli_error(CL_EFAIL, "Destination path too long"); |
94 | cli_error(CL_EFAIL, "Destination path too long"); |
95 | break; |
95 | break; |
96 | case ENOENT: |
96 | case ENOENT: |
97 | cli_error(CL_ENOENT, "Invalid directory `%s'", argv[1]); |
97 | cli_error(CL_ENOENT, "Invalid directory `%s'", argv[1]); |
98 | break; |
98 | break; |
99 | default: |
99 | default: |
100 | cli_error(CL_EFAIL, "Unable to change to `%s'", argv[1]); |
100 | cli_error(CL_EFAIL, "Unable to change to `%s'", argv[1]); |
101 | break; |
101 | break; |
102 | } |
102 | } |
103 | } |
103 | } |
104 | 104 | ||
105 | return CMD_FAILURE; |
105 | return CMD_FAILURE; |
106 | } |
106 | } |
107 | 107 |