bullet3/jam-2.5/command.c
2006-05-25 19:18:29 +00:00

68 lines
1.1 KiB
C

/*
* Copyright 1993, 1995 Christopher Seiwald.
*
* This file is part of Jam - see jam.c for Copyright information.
*/
/*
* command.c - maintain lists of commands
*
* 01/20/00 (seiwald) - Upgraded from K&R to ANSI C
* 09/08/00 (seiwald) - bulletproof PIECEMEAL size computation
*/
# include "jam.h"
# include "lists.h"
# include "parse.h"
# include "variable.h"
# include "rules.h"
# include "command.h"
/*
* cmd_new() - return a new CMD or 0 if too many args
*/
CMD *
cmd_new(
RULE *rule,
LIST *targets,
LIST *sources,
LIST *shell,
int maxline )
{
CMD *cmd = (CMD *)malloc( sizeof( CMD ) );
cmd->rule = rule;
cmd->shell = shell;
cmd->next = 0;
lol_init( &cmd->args );
lol_add( &cmd->args, targets );
lol_add( &cmd->args, sources );
/* Bail if the result won't fit in maxline */
/* We don't free targets/sources/shell if bailing. */
if( var_string( rule->actions, cmd->buf, maxline, &cmd->args ) < 0 )
{
cmd_free( cmd );
return 0;
}
return cmd;
}
/*
* cmd_free() - free a CMD
*/
void
cmd_free( CMD *cmd )
{
lol_free( &cmd->args );
list_free( cmd->shell );
free( (char *)cmd );
}