diff options
Diffstat (limited to 'REORG.TODO/debug/vdprintf_chk.c')
-rw-r--r-- | REORG.TODO/debug/vdprintf_chk.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/REORG.TODO/debug/vdprintf_chk.c b/REORG.TODO/debug/vdprintf_chk.c new file mode 100644 index 0000000000..1bbeedb02e --- /dev/null +++ b/REORG.TODO/debug/vdprintf_chk.c @@ -0,0 +1,67 @@ +/* Copyright (C) 1995-2017 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/>. + + As a special exception, if you link the code in this file with + files compiled with a GNU compiler to produce an executable, + that does not cause the resulting executable to be covered by + the GNU Lesser General Public License. This exception does not + however invalidate any other reasons why the executable file + might be covered by the GNU Lesser General Public License. + This exception applies to code released by its copyright holders + in files containing the exception. */ + +#include <libioP.h> +#include <stdio_ext.h> + +int +__vdprintf_chk (int d, int flags, const char *format, va_list arg) +{ + struct _IO_FILE_plus tmpfil; + struct _IO_wide_data wd; + int done; + +#ifdef _IO_MTSAFE_IO + tmpfil.file._lock = NULL; +#endif + _IO_no_init (&tmpfil.file, _IO_USER_LOCK, 0, &wd, &_IO_wfile_jumps); + _IO_JUMPS (&tmpfil) = &_IO_file_jumps; + _IO_new_file_init_internal (&tmpfil); +#if !_IO_UNIFIED_JUMPTABLES + tmpfil.vtable = NULL; +#endif + if (_IO_file_attach (&tmpfil.file, d) == NULL) + { + _IO_un_link (&tmpfil); + return EOF; + } + tmpfil.file._flags |= _IO_DELETE_DONT_CLOSE; + + _IO_mask_flags (&tmpfil.file, _IO_NO_READS, + _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING); + + /* For flags > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n + can only come from read-only format strings. */ + if (flags > 0) + tmpfil.file._flags2 |= _IO_FLAGS2_FORTIFY; + + done = _IO_vfprintf (&tmpfil.file, format, arg); + + _IO_FINISH (&tmpfil.file); + + return done; +} +libc_hidden_def (__vdprintf_chk) |