| 0,0 → 1,82 |
|---|
| /* Copyright (c) 2008, Tim Post <tinkertim@gmail.com> - All rights reserved |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * Neither the name of the original program's authors nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdarg.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| |
| #include "config.h" |
| #include "errors.h" |
| #include "util.h" |
| |
| extern volatile int cli_errno; |
| |
| /* Count and return the # of elements in an array */ |
| unsigned int cli_count_args(char **args) |
| { |
| unsigned int i; |
| |
| for (i=0; args[i] != NULL; i++); |
| return i; |
| } |
| |
| /* (re)allocates memory to store the current working directory, gets |
| * and updates the current working directory, formats the prompt |
| * string */ |
| unsigned int cli_set_prompt(cliuser_t *usr) |
| { |
| usr->prompt = (char *) realloc(usr->prompt, PATH_MAX); |
| if (NULL == usr->prompt) { |
| cli_error(CL_ENOMEM, "Can not allocate prompt"); |
| cli_errno = CL_ENOMEM; |
| return 1; |
| } |
| memset(usr->prompt, 0, sizeof(usr->prompt)); |
| |
| usr->cwd = (char *) realloc(usr->cwd, PATH_MAX); |
| if (NULL == usr->cwd) { |
| cli_error(CL_ENOMEM, "Can not allocate cwd"); |
| cli_errno = CL_ENOMEM; |
| return 1; |
| } |
| memset(usr->cwd, 0, sizeof(usr->cwd)); |
| |
| usr->cwd = getcwd(usr->cwd, PATH_MAX - 1); |
| |
| if (NULL == usr->cwd) |
| snprintf(usr->cwd, PATH_MAX, "(unknown)"); |
| |
| asprintf(&usr->prompt, "%s # ", usr->cwd); |
| |
| return 0; |
| } |
| |
| |