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| 3813 | post | 1 | /* Copyright (c) 2008, Tim Post <tinkertim@gmail.com> - All rights reserved |
| 3265 | post | 2 | * |
| 3 | * Redistribution and use in source and binary forms, with or without |
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| 4 | * modification, are permitted provided that the following conditions are met: |
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| 5 | * |
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| 6 | * Redistributions of source code must retain the above copyright notice, this |
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| 7 | * list of conditions and the following disclaimer. |
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| 8 | * |
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| 9 | * Redistributions in binary form must reproduce the above copyright notice, |
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| 10 | * this list of conditions and the following disclaimer in the documentation |
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| 11 | * and/or other materials provided with the distribution. |
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| 12 | * |
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| 13 | * Neither the name of the original program's authors nor the names of its |
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| 14 | * contributors may be used to endorse or promote products derived from this |
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| 15 | * software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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| 21 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 25 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 26 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 27 | * POSSIBILITY OF SUCH DAMAGE. |
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| 28 | */ |
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| 29 | |||
| 30 | #include <stdio.h> |
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| 31 | #include <string.h> |
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| 32 | #include <stdarg.h> |
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| 33 | #include <stdlib.h> |
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| 3345 | post | 34 | #include <stdarg.h> |
| 3265 | post | 35 | |
| 36 | #include "config.h" |
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| 37 | #include "errors.h" |
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| 38 | #include "util.h" |
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| 39 | |||
| 3366 | post | 40 | extern volatile int cli_errno; |
| 41 | |||
| 3376 | post | 42 | /* Count and return the # of elements in an array */ |
| 43 | unsigned int cli_count_args(char **args) |
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| 44 | { |
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| 45 | unsigned int i; |
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| 46 | |||
| 47 | for (i=0; args[i] != NULL; i++); |
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| 48 | return i; |
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| 49 | } |
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| 50 | |||
| 3377 | post | 51 | /* (re)allocates memory to store the current working directory, gets |
| 52 | * and updates the current working directory, formats the prompt |
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| 53 | * string */ |
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| 54 | unsigned int cli_set_prompt(cliuser_t *usr) |
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| 55 | { |
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| 56 | usr->prompt = (char *) realloc(usr->prompt, PATH_MAX); |
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| 57 | if (NULL == usr->prompt) { |
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| 58 | cli_error(CL_ENOMEM, "Can not allocate prompt"); |
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| 59 | cli_errno = CL_ENOMEM; |
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| 60 | return 1; |
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| 61 | } |
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| 62 | memset(usr->prompt, 0, sizeof(usr->prompt)); |
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| 63 | |||
| 64 | usr->cwd = (char *) realloc(usr->cwd, PATH_MAX); |
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| 65 | if (NULL == usr->cwd) { |
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| 66 | cli_error(CL_ENOMEM, "Can not allocate cwd"); |
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| 67 | cli_errno = CL_ENOMEM; |
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| 68 | return 1; |
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| 69 | } |
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| 70 | memset(usr->cwd, 0, sizeof(usr->cwd)); |
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| 71 | |||
| 72 | usr->cwd = getcwd(usr->cwd, PATH_MAX - 1); |
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| 73 | |||
| 74 | if (NULL == usr->cwd) |
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| 75 | snprintf(usr->cwd, PATH_MAX, "(unknown)"); |
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| 76 | |||
| 3481 | post | 77 | asprintf(&usr->prompt, "%s # ", usr->cwd); |
| 3377 | post | 78 | |
| 79 | return 0; |
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| 80 | } |
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| 81 | |||
| 82 |