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Annotation of 43BSD/contrib/rn/addng.c, revision 1.1

1.1     ! root        1: /* $Header: addng.c,v 4.3.1.2 85/05/29 09:06:24 lwall Exp $
        !             2:  *
        !             3:  * $Log:       addng.c,v $
        !             4:  * Revision 4.3.1.2  85/05/29  09:06:24  lwall
        !             5:  * New newsgroups without spool directories incorrectly classified as "ancient".
        !             6:  * 
        !             7:  * Revision 4.3.1.1  85/05/10  11:30:50  lwall
        !             8:  * Branch for patches.
        !             9:  * 
        !            10:  * Revision 4.3  85/05/01  11:34:41  lwall
        !            11:  * Baseline for release with 4.3bsd.
        !            12:  * 
        !            13:  */
        !            14: 
        !            15: #include "EXTERN.h"
        !            16: #include "common.h"
        !            17: #include "rn.h"
        !            18: #include "ngdata.h"
        !            19: #include "last.h"
        !            20: #include "util.h"
        !            21: #include "intrp.h"
        !            22: #include "only.h"
        !            23: #include "rcstuff.h"
        !            24: #include "INTERN.h"
        !            25: #include "addng.h"
        !            26: 
        !            27: void
        !            28: addng_init()
        !            29: {
        !            30:     ;
        !            31: }
        !            32: 
        !            33: #ifdef FINDNEWNG
        !            34: /* generate a list of new newsgroups from active file */
        !            35: 
        !            36: bool
        !            37: newlist(munged,checkinlist)
        !            38: bool munged;                           /* are we scanning the whole file? */
        !            39: bool checkinlist;
        !            40: {
        !            41:     char *tmpname;
        !            42:     register char *s;
        !            43:     long birthof();
        !            44: 
        !            45:     tmpname = savestr(filexp("/tmp/rnew.%$"));
        !            46:     tmpfp = fopen(tmpname,"w");
        !            47:     if (tmpfp == Nullfp) {
        !            48:        printf(cantcreate,tmpname) FLUSH;
        !            49:        return FALSE;
        !            50:     }
        !            51:     while (fgets(buf,LBUFLEN,actfp) != Nullch) {
        !            52:        if (s = index(buf,' ')) {
        !            53:            *s++ = '\0';
        !            54:            if (strnEQ(buf,"to.",3))
        !            55:                continue;
        !            56:            if (find_ng(buf) == nextrcline &&
        !            57:                    (checkinlist ?
        !            58:                        (inlist(buf)) :
        !            59:                        (birthof(buf,(ART_NUM)atol(s)) > lasttime)
        !            60:                    )
        !            61:                ) {
        !            62:                                        /* if not in .newsrc and younger */
        !            63:                                        /* than the last time we checked */
        !            64:                fprintf(tmpfp,"%s\n",buf);
        !            65:                                        /* then remember said newsgroup */
        !            66:            }
        !            67: #ifdef FASTNEW
        !            68:            else {                      /* not really a new group */
        !            69:                if (!munged) {          /* did we assume not munged? */
        !            70:                    fclose(tmpfp);      /* then go back, knowing that */
        !            71:                    UNLINK(tmpname);
        !            72:                    free(tmpname);
        !            73:                    return TRUE;        /* active file was indeed munged */
        !            74:                }
        !            75:            }
        !            76: #endif
        !            77:        }
        !            78: #ifdef DEBUGGING
        !            79:        else
        !            80:            printf("Bad active record: %s\n",buf) FLUSH;
        !            81: #endif
        !            82:     }
        !            83: 
        !            84:     /* we have successfully generated the list */
        !            85: 
        !            86:     fclose(tmpfp);
        !            87:     tmpfp = fopen(tmpname,"r");
        !            88:     UNLINK(tmpname);                   /* be nice to the world */
        !            89:     if (tmpfp == Nullfp) {
        !            90:        printf(cantopen,tmpname) FLUSH;
        !            91:        return FALSE;
        !            92:     }
        !            93:     while (fgets(buf,LBUFLEN,tmpfp) != Nullch) {
        !            94:        buf[strlen(buf)-1] = '\0';
        !            95:        get_ng(buf,TRUE);               /* add newsgroup, maybe */
        !            96:     }
        !            97:     fclose(tmpfp);                     /* be nice to ourselves */
        !            98:     free(tmpname);
        !            99:     return FALSE;                      /* do not call us again */
        !           100: }
        !           101: 
        !           102: /* return creation time of newsgroup */
        !           103: 
        !           104: long
        !           105: birthof(ngnam,ngsize)
        !           106: char *ngnam;
        !           107: ART_NUM ngsize;
        !           108: {
        !           109:     char tst[128];
        !           110:     long time();
        !           111:  
        !           112:     sprintf(tst, ngsize ? "%s/%s/1" : "%s/%s" ,spool,getngdir(ngnam));
        !           113:     if (stat(tst,&filestat) < 0)
        !           114:        return (ngsize ? 0L : time(0)); /* not there, assume something good */
        !           115:     else
        !           116:        return filestat.st_mtime;
        !           117: }
        !           118: 
        !           119: bool
        !           120: scanactive()
        !           121: {
        !           122:     NG_NUM oldnext = nextrcline;       /* remember # lines in newsrc */
        !           123: 
        !           124:     fseek(actfp,0L,0);
        !           125:     newlist(TRUE,TRUE);
        !           126:     if (nextrcline != oldnext) {       /* did we add any new groups? */
        !           127:        return TRUE;
        !           128:     }
        !           129:     return FALSE;
        !           130: }
        !           131: 
        !           132: #endif
        !           133: 

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