diff options
Diffstat (limited to 'REORG.TODO/debug/read_chk.c')
-rw-r--r-- | REORG.TODO/debug/read_chk.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/REORG.TODO/debug/read_chk.c b/REORG.TODO/debug/read_chk.c new file mode 100644 index 0000000000..e72b64dfca --- /dev/null +++ b/REORG.TODO/debug/read_chk.c @@ -0,0 +1,37 @@ +/* Copyright (C) 2005-2017 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <unistd.h> +#include <sys/param.h> +#ifdef HAVE_INLINED_SYSCALLS +# include <errno.h> +# include <sysdep.h> +#endif + + +ssize_t +__read_chk (int fd, void *buf, size_t nbytes, size_t buflen) +{ + if (nbytes > buflen) + __chk_fail (); + +#ifdef HAVE_INLINED_SYSCALLS + return INLINE_SYSCALL (read, 3, fd, buf, nbytes); +#else + return __read (fd, buf, nbytes); +#endif +} |