From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- pwd/getpwent.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 pwd/getpwent.c (limited to 'pwd/getpwent.c') diff --git a/pwd/getpwent.c b/pwd/getpwent.c new file mode 100644 index 0000000000..1c88950f11 --- /dev/null +++ b/pwd/getpwent.c @@ -0,0 +1,67 @@ +/* Copyright (C) 1991 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include +#include +#include +#include + +static FILE *stream = NULL; + +/* Rewind the stream. */ +void +DEFUN_VOID(setpwent) +{ + if (stream != NULL) + rewind(stream); +} + + +/* Close the stream. */ +void +DEFUN_VOID(endpwent) +{ + if (stream != NULL) + { + (void) fclose(stream); + stream = NULL; + } +} + + +/* Return one entry from the password file. */ +struct passwd * +DEFUN_VOID(getpwent) +{ + static PTR info = NULL; + if (info == NULL) + { + info = __pwdalloc(); + if (info == NULL) + return(NULL); + } + + if (stream == NULL) + { + stream = __pwdopen(); + if (stream == NULL) + return(NULL); + } + + return(__pwdread(stream, info)); +} -- cgit v1.2.3