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Annotation of researchv10no/cmd/uucp/getpwinfo.c, revision 1.1

1.1     ! root        1: /*     @(#)getpwinfo.c 1.2
        !             2: */
        !             3: #include "uucp.h"
        !             4: VERSION(@(#)getpwinfo.c        1.2);
        !             5: 
        !             6: #include <pwd.h>
        !             7: extern struct passwd *getpwuid(), *getpwnam();
        !             8: extern char    *getlogin();
        !             9: 
        !            10: /*
        !            11:  * get passwd file info for logname or uid
        !            12:  *     uid     -> uid #        
        !            13:  *     name    -> address of buffer to return ascii user name
        !            14:  *             This will be set to pw->pw_name.
        !            15:  *
        !            16:  * return:
        !            17:  *     0       -> success
        !            18:  *     FAIL    -> failure (logname and uid not found)
        !            19:  */
        !            20: guinfo(uid, name)
        !            21: int uid;
        !            22: char *name;
        !            23: {
        !            24:        register struct passwd *pwd;
        !            25:        char    *login_name;
        !            26: 
        !            27:        /* look for this user as logged in utmp */
        !            28:        if ((login_name = getlogin()) != NULL) {
        !            29:                strcpy(name, login_name);
        !            30:                return(0);
        !            31:        }
        !            32: 
        !            33:        /* no dice on utmp -- get first from passwd file */
        !            34:        if ((pwd = getpwuid(uid)) == NULL) {
        !            35:            if ((pwd = getpwuid(UUCPUID)) == NULL)
        !            36:                /* can not find uid in passwd file */
        !            37:                return(FAIL);
        !            38:        }
        !            39: 
        !            40: uid_found:
        !            41:        (void) strcpy(name, pwd->pw_name);
        !            42:        return(0);
        !            43: }
        !            44: 
        !            45: /*
        !            46:  * get passwd file info for name
        !            47:  *     name    -> ascii user name
        !            48:  *     uid     -> address of integer to return uid # in
        !            49:  *     path    -> address of buffer to return working directory in
        !            50:  * returns:
        !            51:  *     0       -> success
        !            52:  *     FAIL    -> failure
        !            53:  */
        !            54: gninfo(name, uid, path)
        !            55: char *path, *name;
        !            56: int *uid;
        !            57: {
        !            58:        register struct passwd *pwd;
        !            59: 
        !            60:        if ((pwd = getpwnam(name)) == NULL) {
        !            61:                /* can not find name in passwd file */
        !            62:                *path = '\0';
        !            63:                return(FAIL);
        !            64:        }
        !            65: 
        !            66:        (void) strcpy(path, pwd->pw_dir);
        !            67:        *uid = pwd->pw_uid;
        !            68:        return(0);
        !            69: }

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