GETPW
Section: Linux Programmer's Manual (3)
Updated: May 27, 1996
NAME
getpw - Re-construct password line entry
SYNOPSIS
#include <pwd.h>
#include <sys/types.h>
int getpw(uid_t uid, char *buf);
DESCRIPTION
The getpw() function re-constructs the password line entry for
the given user uid uid in the buffer buf. The returned
buffer contains a line of format
-
name:passwd:uid:gid:gecos:dir:shell
The passwd structure is defined in <pwd.h> as follows:
-
struct passwd {
char *pw_name; /* user name */
char *pw_passwd; /* user password */
uid_t pw_uid; /* user id */
gid_t pw_gid; /* group id */
char *pw_gecos; /* real name */
char *pw_dir; /* home directory */
char *pw_shell; /* shell program */
};
RETURN VALUE
The getpw() function returns 0 on success, or -1 if an error
occurs.
ERRORS
- ENOMEM
-
Insufficient memory to allocate passwd structure.
FILES
- /etc/passwd
-
password database file
CONFORMING TO
SYSVr2.
BUGS
The
getpw()
function is dangerous as it may overflow the provided buffer
buf.
It is obsoleted by
getpwuid().
SEE ALSO
fgetpwent(3),
getpwent(3),
setpwent(3),
endpwent(3),
getpwnam(3),
getpwuid(3),
putpwent(3),
passwd(5)