5148d49f37
1998-08-21 17:21 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/glob64.c: Define __stat using __xstat64. 1998-08-20 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makefile (elf/ldso_install): Put back. The problem still persists. * elf/Makefile (ldso_install): Likewise. 1998-08-20 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * db2/db/db.c (db_open) [_LIBC]: Rename to __nss_db_open and create weak alias. * include/db.h: Declare __nss_db_open. * db2/Versions: Export it. * db2/makedb.c: Convert to use db2 API. * nss/nss_db/db-XXX.c: Likewise. * nss/nss_db/db-netgrp.c: Likewise. * nss/nss_db/db-alias.c: Likewise. (_nss_db_getaliasent_r): Allow retrying with a larger buffer. 1998-08-19 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove sys_setresuid, already built automatically (or not). * sysdeps/unix/sysv/linux/syscalls.list: Define __setresuid instead of __syscall_setresuid and add back setresuid. * sysdeps/unix/sysv/linux/seteuid.c: Use __setresuid instead of __syscall_setresuid. 1998-08-21 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/sysv/linux/sys/mount.h: Fix typo. * libio/libioP.c (FILEBUF_LITERAL): Also initialize new _offset
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
/* Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <sys/syscall.h>
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#include <sys/types.h>
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#include <unistd.h>
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#ifdef __NR_setresuid
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extern int __setresuid (uid_t ruid, uid_t euid, uid_t suid);
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int
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seteuid (uid_t uid)
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{
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int result;
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if (uid == (uid_t) ~0)
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{
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__set_errno (EINVAL);
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return -1;
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}
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/* First try the syscall. */
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result = __setresuid (-1, uid, -1);
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if (result == -1 && errno == ENOSYS)
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/* No system call available. Use emulation. This may not work
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since `setreuid' also sets the saved user ID when UID is not
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equal to the real user ID, making it impossible to switch back. */
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result = __setreuid (-1, uid);
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return result;
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}
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#else
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# include <sysdeps/unix/bsd/seteuid.c>
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#endif
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