confile.c

mcf5307实验源代码

/*************************************************************************/
/*                                                                       */
/*    CopyrIght (c)  1993 - 1996 Accelerated Technology, Inc.            */
/*                                                                       */
/* PROPRIETARY RIGHTS of Accelerated Technology are involved in the      */
/* subject matter of this material.  All manufacturing, reproduction,    */
/* use, and sales rights pertaining to this subject matter are governed  */
/* by the license agreement.  The recipient of this software implicitly  */
/* accepts the terms of the license.                                     */
/*                                                                       */
/*************************************************************************/
/*
*
* Portions of this program were written by:       */
/*****************************************************************************
*                                                                           *
*     part of:                                                              *
*     Network kernel for NCSA Telnet                                        *
*     by Tim Krauskopf                                                      *
*                                                                           *
*     National Center for Supercomputing Applications                       *
*     152 Computing Applications Building                                   *
*     605 E. Springfield Ave.                                               *
*     Champaign, IL  61820                                                  *
*                                                                           *
*   Revision History:
*
*   Initial release - 11/87 TK
*   Cleanup for 2.3 release - 6/89 QK
*   New for 2.3 release - 1/91 QK
******************************************************************************/
/*************************************************************************/
/*                                                                       */
/* FILE NAME                                            VERSION          */
/*                                                                       */
/*      CONFILE.C                                       NET 3.2          */
/*                                                                       */
/*                                                                       */
/* DESCRIPTION                                                           */
/*                                                                       */
/*      Reads and stores the appropriate information for the config file.*/
/*                                                                       */
/* DATA STRUCTURES                                                       */
/*                                                                       */
/*                                                                       */
/* FUNCTIONS                                                             */
/*                                                                       */
/*     ncstrcmp                         String compare                   */
/*     Scopyfrom                        Copy another machines entries    */
/*     Ssetgates                        Set up the gateway machines      */
/*                                      and subnet mask                  */
/*                                                                       */
/* DEPENDENCIES                                                          */
/*                                                                       */
/*     nucleus.h         contains system constants common to both the    */
/*                       application and Nucleus PLUS components.        */
/*     target.h          Defines applicable to a specefic target.        */
/*                                                                       */
/* HISTORY                                                               */
/*                                                                       */
/*         NAME            DATE                    REMARKS               */
/*                                                                       */
/*                                                                       */
/*************************************************************************/

/* Nucelus modified includes */
#include "hostform.h"
#include "externs.h"
#include "confile.h"
#include "target.h"
#ifdef PLUS
  #include "nucleus.h"
#else
  #include "nu_defs.h"    /* added during ATI mods - 10/20/92, bgh */
  #include "nu_extr.h"
#endif
#include "tcp_errs.h"
#include "data.h"

/*************************************************************************/
/*                                                                       */
/* FUNCTION                                                              */
/*                                                                       */
/*      ncstrcmp                                                         */
/*                                                                       */
/* DESCRIPTION                                                           */
/*                                                                       */
/*   No case string compare.                                             */
/*   Only returns 0=match, 1=no match, does not compare greater or less  */
/*   There is a tiny bit of overlap with the | 32 trick, but shouldn't be*/
/*   a problem.  It causes some different symbols to match.              */
/*                                                                       */
/* CALLED BY                                                             */
/*      Shostlook                                                        */
/*      Sotherhosts                                                      */
/*                                                                       */
/* CALLS                                                                 */
/*                                                                       */
/*                                                                       */
/*************************************************************************/
int16 ncstrcmp(int8 *sa,int8 *sb)
{
      while(*sa && *sa<33)      /* don't compare leading spaces */
           sa++;
      while(*sb && *sb<33)
           sb++;
      while(*sa && *sb) {
          if((*sa!=*sb) && ((*sa | 32)!=(*sb | 32)))
               return(1);
          sa++;
          sb++;
      } /* end while */
      if(!*sa && !*sb)      /* if both at end of string */
           return(0);
      else
           return(1);
}   /* end ncstrcmp() */

/*************************************************************************/
/*                                                                       */
/* FUNCTION                                                              */
/*                                                                       */
/*      Scopyfrom                                                        */
/*                                                                       */
/* DESCRIPTION                                                           */
/*                                                                       */
/*   Look at the Sflags array to determine which elements to copy from   */
/*   a previous machine's entries.  If a machine name as been given as   */
/*   "default", the state machine will fill in the fields from that      */
/*   machine's entries.                                                  */
/*                                                                       */
/*   If the machine name to copyfrom is not present in the list, set the */
/*   program default values for each field.                              */
/*                                                                       */
/* CALLED BY                                                             */
/*      Smadd                                                            */
/*                                                                       */
/* CALLS                                                                 */
/*                                                                       */
/*      Shostlook                                                        */
/*                                                                       */
/*************************************************************************/
void Scopyfrom(int8 *s)
{
      struct machinfo *m;
      int16 i;
      
      m=Shostlook(s);           /* search list */
      
      for(i=3; i<=NUMSPECS-100; i++)        /* through list of parms */
           if(!Sflags[i]) {
               if(m)                            /* copy old value */
                    switch(100+i) {
                        case CONHOST:
                             strcpy(Smptr->hname, m->hname);
                             break;