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Annotation of 43BSD/ucb/Mail/getname.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  */
        !             6: 
        !             7: #ifndef lint
        !             8: static char *sccsid = "@(#)getname.c   5.2 (Berkeley) 6/21/85";
        !             9: #endif not lint
        !            10: 
        !            11: #include <pwd.h>
        !            12: 
        !            13: /*
        !            14:  * Getname / getuserid for those with
        !            15:  * hashed passwd data base).
        !            16:  *
        !            17:  */
        !            18: 
        !            19: #include "rcv.h"
        !            20: 
        !            21: /*
        !            22:  * Search the passwd file for a uid.  Return name through ref parameter
        !            23:  * if found, indicating success with 0 return.  Return -1 on error.
        !            24:  * If -1 is passed as the user id, close the passwd file.
        !            25:  */
        !            26: 
        !            27: getname(uid, namebuf)
        !            28:        char namebuf[];
        !            29: {
        !            30:        struct passwd *pw;
        !            31: 
        !            32:        if (uid == -1) {
        !            33:                return(0);
        !            34:        }
        !            35:        if ((pw = getpwuid(uid)) == NULL)
        !            36:                return(-1);
        !            37:        strcpy(namebuf, pw->pw_name);
        !            38:        return 0;
        !            39: }
        !            40: 
        !            41: /*
        !            42:  * Convert the passed name to a user id and return it.  Return -1
        !            43:  * on error.  Iff the name passed is -1 (yech) close the pwfile.
        !            44:  */
        !            45: 
        !            46: getuserid(name)
        !            47:        char name[];
        !            48: {
        !            49:        struct passwd *pw;
        !            50: 
        !            51:        if (name == (char *) -1) {
        !            52:                return(0);
        !            53:        }
        !            54:        if ((pw = getpwnam(name)) == NULL)
        !            55:                return 0;
        !            56:        return pw->pw_uid;
        !            57: }

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