BSD 4_3 development

[unix-history] / usr / contrib / rn / only.c

/* $Header: only.c,v 4.3 85/05/01 11:45:21 lwall Exp $
*
* $Log:        only.c,v $
* Revision 4.3  85/05/01  11:45:21  lwall
* Baseline for release with 4.3bsd.
* 
*/

#include "EXTERN.h"
#include "common.h"
#include "search.h"
#include "util.h"
#include "final.h"
#include "ngsrch.h"
#include "INTERN.h"
#include "only.h"

void
only_init()
{
   ;
}

void
setngtodo(pat)
char *pat;
{
   char *s;

#ifdef ONLY
   if (!*pat)
       return;
   if (maxngtodo < NGMAX) {
       ngtodo[maxngtodo] = savestr(pat);
#ifdef SPEEDOVERMEM
#ifndef lint
       compextodo[maxngtodo] = (COMPEX*)safemalloc(sizeof(COMPEX));
#endif lint
       init_compex(compextodo[maxngtodo]);
       compile(compextodo[maxngtodo],pat,TRUE,TRUE);
       if ((s = ng_comp(compextodo[maxngtodo],pat,TRUE,TRUE)) != Nullch) {
                                           /* compile regular expression */
           printf("\n%s\n",s) FLUSH;
           finalize(1);
       }
#endif
       maxngtodo++;
   }
#else
   notincl("o");
#endif
}

/* if command line list is non-null, is this newsgroup wanted? */

bool
inlist(ngnam)
char *ngnam;
{
#ifdef ONLY
   register int i;
#ifdef SPEEDOVERMEM

   if (maxngtodo == 0)
       return TRUE;
   for (i=0; i<maxngtodo; i++) {
       if (execute(compextodo[i],ngnam))
           return TRUE;
   }
   return FALSE;
#else
   COMPEX ilcompex;
   char *s;

   if (maxngtodo == 0)
       return TRUE;
   init_compex(&ilcompex);
   for (i=0; i<maxngtodo; i++) {
       if ((s = ng_comp(&ilcompex,ngtodo[i],TRUE,TRUE)) != Nullch) {
                                           /* compile regular expression */
           printf("\n%s\n",s) FLUSH;
           finalize(1);
       }
       
       if (execute(&ilcompex,ngnam) != Nullch) {
           free_compex(&ilcompex);
           return TRUE;
       }
   }
   free_compex(&ilcompex);
   return FALSE;
#endif
#else
   return TRUE;
#endif
}

#ifdef ONLY
void
end_only()
{
   if (maxngtodo) {                    /* did they specify newsgroup(s) */
       int whicharg;

#ifdef VERBOSE
       IF(verbose)
           printf("\nRestriction %s%s removed.\n",ngtodo[0],
               maxngtodo > 1 ? ", etc." : nullstr) FLUSH;
       ELSE
#endif
#ifdef TERSE
           fputs("\nExiting \"only\".\n",stdout) FLUSH;
#endif
       for (whicharg = 0; whicharg < maxngtodo; whicharg++) {
           free(ngtodo[whicharg]);
#ifdef SPEEDOVERMEM
           free_compex(compextodo[whicharg]);
#ifndef lint
           free((char*)compextodo[whicharg]);
#endif lint
#endif
       }
       maxngtodo = 0;
   }
}
#endif