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/*++
/* NAME
/* username 3
/* SUMMARY
/* lookup name of real user
/* SYNOPSIS
/* #include <username.h>
/*
/* const char *username()
/* DESCRIPTION
/* username() jumps whatever system-specific hoops it takes to
/* get the name of the user who started the process. The result
/* is volatile. Make a copy if it is to be used for an appreciable
/* amount of time.
/* LICENSE
/* .ad
/* .fi
/* The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/* Wietse Venema
/* IBM T.J. Watson Research
/* P.O. Box 704
/* Yorktown Heights, NY 10598, USA
/*--*/
/* System library. */
#include <sys_defs.h>
#include <unistd.h>
#include <pwd.h>
/* Utility library. */
#include "username.h"
/* username - get name of user */
const char *username(void)
{
uid_t uid;
struct passwd *pwd;
uid = getuid();
if ((pwd = getpwuid(uid)) == 0)
return (0);
return (pwd->pw_name);
}
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