X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fpagealign_alloc.c;h=f02f84eb7622e1439c8126125feb2f8619e1e250;hb=fbe6ced5d2fdadeeea4194725d05a52cf3b5ebd7;hp=c06dd0da4fab015859c34b08dfc108dcb91945ab;hpb=854ebf64dc7dae95a43a4e139e075156d2add805;p=gnulib.git diff --git a/lib/pagealign_alloc.c b/lib/pagealign_alloc.c index c06dd0da4..f02f84eb7 100644 --- a/lib/pagealign_alloc.c +++ b/lib/pagealign_alloc.c @@ -1,21 +1,19 @@ /* Memory allocation aligned to system page boundaries. - Copyright (C) 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 2005, 2006, 2007, 2009, 2010 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 2, or (at your option) - any later version. + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. This program 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 - General Public License for more details. + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. - You should have received a copy of the GNU General Public - License along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - USA. */ + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ /* Written by Derek R. Price . */ @@ -34,8 +32,6 @@ #endif #include "error.h" -#include "exit.h" -#include "getpagesize.h" #include "xalloc.h" #include "gettext.h" @@ -133,14 +129,14 @@ pagealign_alloc (size_t size) const int flags = MAP_ANONYMOUS | MAP_PRIVATE; # else /* !HAVE_MAP_ANONYMOUS */ static int fd = -1; /* Only open /dev/zero once in order to avoid limiting - the amount of memory we may allocate based on the - number of open file descriptors. */ + the amount of memory we may allocate based on the + number of open file descriptors. */ const int flags = MAP_FILE | MAP_PRIVATE; if (fd == -1) { fd = open ("/dev/zero", O_RDONLY, 0666); if (fd < 0) - error (EXIT_FAILURE, errno, _("Failed to open /dev/zero for read")); + error (EXIT_FAILURE, errno, _("Failed to open /dev/zero for read")); } # endif /* HAVE_MAP_ANONYMOUS */ ret = mmap (NULL, size, PROT_READ | PROT_WRITE, flags, fd, 0); @@ -160,7 +156,7 @@ pagealign_alloc (size_t size) if (unaligned_ptr == NULL) { /* Set errno. We don't know whether malloc already set errno: some - implementations of malloc do, some don't. */ + implementations of malloc do, some don't. */ errno = ENOMEM; return NULL; }