/* vi: set sw=4 ts=4: */ /* * getlogin for uClibc * Copyright (C) 2000-2006 by Erik Andersen <andersen@uclibc.org> * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ #include <stdlib.h> #include <string.h> #include <unistd.h> #include <stdio.h> /* Experimentally off - libc_hidden_proto(strcpy) */ /* Experimentally off - libc_hidden_proto(strncpy) */ libc_hidden_proto(getenv) /* uClibc makes it policy to not mess with the utmp file whenever * possible, since I consider utmp a complete waste of time. Since * getlogin() should never be used for security purposes, we kindly let * the user specify whatever they want via the LOGNAME environment * variable, or we return NULL if getenv() fails to find anything */ libc_hidden_proto(getlogin) char * getlogin(void) { return (getenv("LOGNAME")); } libc_hidden_def(getlogin) int getlogin_r(char *name, size_t len) { char * foo = getenv("LOGNAME"); if (! foo) return -1; strncpy(name, foo, len); name[len-1] = '\0'; return 0; } char *cuserid(char *s) { char *name = getlogin(); if (s) { return(strcpy(s, name ? name : "")); } return name; }