[OB] cli/cli-script.c, null ptr guard

[msnyder@sonic.net]

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2007-06-28  Michael Snyder  <msnyder@access-company.com>

	* cli/cli-script.c (build_command_line): Add null pointer guard 
	(Coverity).
	
Index: cli/cli-script.c
===================================================================
RCS file: /cvs/src/src/gdb/cli/cli-script.c,v
retrieving revision 1.40
diff -p -r1.40 cli-script.c
*** cli/cli-script.c	27 Jan 2007 12:30:46 -0000	1.40
--- cli/cli-script.c	28 Jun 2007 21:47:25 -0000
*************** build_command_line (enum command_control
*** 95,101 ****
      = (struct command_line **) xmalloc (sizeof (struct command_line *)
  					* cmd->body_count);
    memset (cmd->body_list, 0, sizeof (struct command_line *) * cmd->body_count);
!   cmd->line = savestring (args, strlen (args));
    return cmd;
  }
  
--- 95,103 ----
      = (struct command_line **) xmalloc (sizeof (struct command_line *)
  					* cmd->body_count);
    memset (cmd->body_list, 0, sizeof (struct command_line *) * cmd->body_count);
!   if (args != NULL)
!     cmd->line = savestring (args, strlen (args));
! 
    return cmd;
  }