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