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sortix--sortix/libc/pwd/getpwent_r.cpp
2013-12-17 14:30:43 +01:00

39 lines
1.4 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2013.
This file is part of the Sortix C Library.
The Sortix C Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
The Sortix 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
pwd/getpwent_r.cpp
Reads a passwd entry (but not fully thread-securely).
*******************************************************************************/
#include <errno.h>
#include <pwd.h>
extern "C"
int getpwent_r(struct passwd* restrict result,
char* restrict buf,
size_t buflen,
struct passwd** restrict result_pointer)
{
if ( !result_pointer )
return errno = EINVAL;
if ( !__pwd_file && !(__pwd_file = openpw()) )
return errno;
return fgetpwent_r(__pwd_file, result, buf, buflen, result_pointer);
}