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Annotation of 40BSD/cmd/ucbmail/c.local.c, revision 1.1

1.1     ! root        1: #
        !             2: 
        !             3: /*
        !             4:  * Mail -- a mail program
        !             5:  *
        !             6:  * EECS Cory 11/70 Version 7.0
        !             7:  *
        !             8:  * Local routines that are installation dependent.
        !             9:  * All fiddlers please note:  if you make careful note of
        !            10:  * what you change here, I will incorporate your changes and
        !            11:  * you won't have to remake them each release.
        !            12:  */
        !            13: 
        !            14: #include "rcv.h"
        !            15: #include <pwd.h>
        !            16: 
        !            17: /*
        !            18:  * Locate the user's mailbox file (ie, the place where new, unread
        !            19:  * mail is queued).  At Cory, it is in /usr/spool/mail/name.
        !            20:  */
        !            21: 
        !            22: findmail()
        !            23: {
        !            24:        register char *cp;
        !            25: 
        !            26:        cp = copy("/usr/spool/mail/", mailname);
        !            27:        copy(myname, cp);
        !            28: }
        !            29: 
        !            30: /*
        !            31:  * Get rid of the queued mail.
        !            32:  */
        !            33: 
        !            34: demail()
        !            35: {
        !            36:        register int p;
        !            37:        
        !            38:        close(creat(mailname, 0666));
        !            39:        alter(mailname);
        !            40: }
        !            41: 
        !            42: /*
        !            43:  * Mail file lock / unlock.
        !            44:  * Insignificant on Cory version 7, since /usr/spool/mail not
        !            45:  * generally writable.
        !            46:  */
        !            47: 
        !            48: lock(name)
        !            49:        char *name;
        !            50: {
        !            51: 
        !            52:        return(0);
        !            53: }
        !            54: 
        !            55: unlock()
        !            56: {
        !            57: 
        !            58:        return(0);
        !            59: }
        !            60: 
        !            61: /*
        !            62:  * Discover user login name.
        !            63:  */
        !            64: 
        !            65: username(uid, namebuf)
        !            66:        char namebuf[];
        !            67: {
        !            68:        register char *np;
        !            69: 
        !            70:        if (uid == getuid() && (np = getenv("USER")) != NOSTR) {
        !            71:                strncpy(namebuf, np, 9);
        !            72:                return(0);
        !            73:        }
        !            74:        return(getname(uid, namebuf));
        !            75: }
        !            76: 
        !            77: /*
        !            78:  * Discover user name from uid.  Uses the fancy hashed passwd
        !            79:  * data base available only on Cory Unix.
        !            80:  */
        !            81: 
        !            82: getname(uid, namebuf)
        !            83:        char namebuf[];
        !            84: {
        !            85:        struct passwd *gp;
        !            86:        struct passwd *getpwuid();
        !            87: 
        !            88:        gp = getpwuid(uid);
        !            89:        if (gp == (struct passwd *) 0)
        !            90:                return(-1);
        !            91:        strcpy(namebuf, gp->pw_name);
        !            92:        return(0);
        !            93: }
        !            94: 
        !            95: /*
        !            96:  * Cory hall getuserid
        !            97:  */
        !            98: 
        !            99: getuserid(name)
        !           100:        char name[];
        !           101: {
        !           102:        struct passwd *gp;
        !           103:        struct passwd *getpwnam();
        !           104: 
        !           105:        if ((gp = getpwnam(name)) == (struct passwd *) 0)
        !           106:                return(-1);
        !           107:        return(gp->pw_uid);
        !           108: }

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