struct passwd *
getpwnam(const char * name)
{
int passwd_fd;
struct passwd * passwd;
if (name==NULL)
{
errno=EINVAL;
return NULL;
}
if ((passwd_fd=open("/etc/passwd", O_RDONLY))<0)
return NULL;
while ((passwd=__getpwent(passwd_fd))!=NULL)
if (!strcmp(passwd->pw_name, name))
{
close(passwd_fd);
return passwd;
}
close(passwd_fd);
return NULL;
}
struct passwd *
getpwent(void)
{
if (pw_fd==-1)
setpwent();
if (pw_fd!=-1)
return __getpwent(pw_fd);
return NULL;
}
struct passwd *fgetpwent(FILE * file)
{
if (file == NULL) {
errno = EINTR;
return NULL;
}
return __getpwent(fileno(file));
}