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  1. /* Copyright (c) 2008, Tim Post <tinkertim@gmail.com>
  2.  * All rights reserved.
  3.  *
  4.  * Redistribution and use in source and binary forms, with or without
  5.  * modification, are permitted provided that the following conditions are met:
  6.  *
  7.  * Redistributions of source code must retain the above copyright notice, this
  8.  * list of conditions and the following disclaimer.
  9.  *
  10.  * Redistributions in binary form must reproduce the above copyright notice,
  11.  * this list of conditions and the following disclaimer in the documentation
  12.  * and/or other materials provided with the distribution.
  13.  *
  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
  16.  * software without specific prior written permission.
  17.  *
  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
  20.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21.  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  22.  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23.  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  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
  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
  28.  * POSSIBILITY OF SUCH DAMAGE.
  29.  */
  30.  
  31. /* Almost identical (for now) to mod_cmds.c , however this will not be the case
  32.  * soon as builtin_t is going to grow way beyond module_t */
  33.  
  34. #include <stdio.h>
  35. #include <stdlib.h>
  36. #include <string.h>
  37. #include "errors.h"
  38. #include "cmds.h"
  39. #include "builtin_aliases.h"
  40.  
  41. extern volatile unsigned int cli_interactive;
  42.  
  43. int is_builtin(const char *command)
  44. {
  45.     builtin_t *cmd;
  46.     unsigned int i = 0;
  47.  
  48.     if (NULL == command)
  49.         return -2;
  50.  
  51.     for (cmd = builtins; cmd->name != NULL; cmd++, i++) {
  52.         if (!strcmp(cmd->name, command))
  53.             return i;
  54.     }
  55.  
  56.     return -1;
  57. }
  58.  
  59. int is_builtin_alias(const char *command)
  60. {
  61.     unsigned int i = 0;
  62.  
  63.     if (NULL == command)
  64.         return -1;
  65.  
  66.     for(i=0; builtin_aliases[i] != NULL; i+=2) {
  67.         if (!strcmp(builtin_aliases[i], command))
  68.             return 1;
  69.     }
  70.  
  71.     return 0;
  72. }
  73.  
  74. char *alias_for_builtin(const char *command)
  75. {
  76.     unsigned int i = 0;
  77.  
  78.     if (NULL == command)
  79.         return (char *)NULL;
  80.  
  81.     for(i=0; builtin_aliases[i] != NULL; i++) {
  82.         if (!strcmp(builtin_aliases[i], command))
  83.             return (char *)builtin_aliases[++i];
  84.         i++;
  85.     }
  86.  
  87.     return (char *)NULL;
  88. }
  89.  
  90. int help_builtin(int builtin, unsigned int extended)
  91. {
  92.     builtin_t *cmd = builtins;
  93.  
  94.     cmd += builtin;
  95.  
  96.     if (NULL != cmd->help) {
  97.         cmd->help(extended);
  98.         return CL_EOK;
  99.     } else
  100.         return CL_ENOENT;
  101. }
  102.  
  103. int run_builtin(int builtin, char *argv[], cliuser_t *usr)
  104. {
  105.     builtin_t *cmd = builtins;
  106.  
  107.     cmd += builtin;
  108.  
  109.     if (NULL != cmd->entry)
  110.         return((int)cmd->entry(argv, usr));
  111.  
  112.     return CL_ENOENT;
  113. }
  114.