src/command.c

   1 /*
   2  * Copyright 1993, 1995 Christopher Seiwald.
   3  * This file is part of Jam - see jam.c for Copyright information.
   4  *
   5  * This program is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation, either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18 #include "jam.h"
  19
  20 #include "lists.h"
  21 #include "parse.h"
  22 #include "variable.h"
  23 #include "rules.h"
  24 #include "dstrings.h"
  25
  26 #include "command.h"
  27
  28
  29 /*
  30  * cmd_new() - return a new CMD or 0 if too many args
  31  */
  32 CMD *cmd_new (RULE *rule, LIST *targets, LIST *sources, LIST *shell, int maxline) {
  33   CMD *cmd = (CMD *)malloc(sizeof(CMD));
  34   dstr_init(&cmd->buf);
  35   cmd->rule = rule;
  36   cmd->shell = shell;
  37   cmd->next = 0;
  38   lol_init(&cmd->args);
  39   lol_add(&cmd->args, targets);
  40   lol_add(&cmd->args, sources);
  41   /* we don't free targets/sources/shell if bailing */
  42   if (var_string(rule->actions, &cmd->buf, &cmd->args, ' ') < 0) { cmd_free(cmd); return NULL; }
  43   return cmd;
  44 }
  45
  46
  47 /*
  48  * cmd_free() - free a CMD
  49  */
  50 void cmd_free (CMD *cmd) {
  51   dstr_done(&cmd->buf);
  52   lol_free(&cmd->args);
  53   list_free(cmd->shell);
  54   free(cmd);
  55 }