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Annotation of researchv10no/cmd/uucp/getpwinfo.c, revision 1.1.1.1

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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