diff options
Diffstat (limited to 'libio/obprintf.c')
| -rw-r--r-- | libio/obprintf.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/libio/obprintf.c b/libio/obprintf.c deleted file mode 100644 index 64d890a46e..0000000000 --- a/libio/obprintf.c +++ /dev/null @@ -1,188 +0,0 @@ -/* Print output of stream to given obstack. - Copyright (C) 1996-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. - - 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 <stdlib.h> -#include "libioP.h" -#include "strfile.h" -#include <assert.h> -#include <string.h> -#include <errno.h> -#include <obstack.h> -#include <stdarg.h> -#include <stdio_ext.h> - - -struct _IO_obstack_file -{ - struct _IO_FILE_plus file; - struct obstack *obstack; -}; - - -static int -_IO_obstack_overflow (_IO_FILE *fp, int c) -{ - struct obstack *obstack = ((struct _IO_obstack_file *) fp)->obstack; - int size; - - /* Make room for another character. This might as well allocate a - new chunk a memory and moves the old contents over. */ - assert (c != EOF); - obstack_1grow (obstack, c); - - /* Setup the buffer pointers again. */ - fp->_IO_write_base = obstack_base (obstack); - fp->_IO_write_ptr = obstack_next_free (obstack); - size = obstack_room (obstack); - fp->_IO_write_end = fp->_IO_write_ptr + size; - /* Now allocate the rest of the current chunk. */ - obstack_blank_fast (obstack, size); - - return c; -} - - -static _IO_size_t -_IO_obstack_xsputn (_IO_FILE *fp, const void *data, _IO_size_t n) -{ - struct obstack *obstack = ((struct _IO_obstack_file *) fp)->obstack; - - if (fp->_IO_write_ptr + n > fp->_IO_write_end) - { - int size; - - /* We need some more memory. First shrink the buffer to the - space we really currently need. */ - obstack_blank_fast (obstack, fp->_IO_write_ptr - fp->_IO_write_end); - - /* Now grow for N bytes, and put the data there. */ - obstack_grow (obstack, data, n); - - /* Setup the buffer pointers again. */ - fp->_IO_write_base = obstack_base (obstack); - fp->_IO_write_ptr = obstack_next_free (obstack); - size = obstack_room (obstack); - fp->_IO_write_end = fp->_IO_write_ptr + size; - /* Now allocate the rest of the current chunk. */ - obstack_blank_fast (obstack, size); - } - else - fp->_IO_write_ptr = __mempcpy (fp->_IO_write_ptr, data, n); - - return n; -} - - -/* the jump table. */ -const struct _IO_jump_t _IO_obstack_jumps libio_vtable attribute_hidden = -{ - JUMP_INIT_DUMMY, - JUMP_INIT(finish, NULL), - JUMP_INIT(overflow, _IO_obstack_overflow), - JUMP_INIT(underflow, NULL), - JUMP_INIT(uflow, NULL), - JUMP_INIT(pbackfail, NULL), - JUMP_INIT(xsputn, _IO_obstack_xsputn), - JUMP_INIT(xsgetn, NULL), - JUMP_INIT(seekoff, NULL), - JUMP_INIT(seekpos, NULL), - JUMP_INIT(setbuf, NULL), - JUMP_INIT(sync, NULL), - JUMP_INIT(doallocate, NULL), - JUMP_INIT(read, NULL), - JUMP_INIT(write, NULL), - JUMP_INIT(seek, NULL), - JUMP_INIT(close, NULL), - JUMP_INIT(stat, NULL), - JUMP_INIT(showmanyc, NULL), - JUMP_INIT(imbue, NULL) -}; - - -int -_IO_obstack_vprintf (struct obstack *obstack, const char *format, va_list args) -{ - struct obstack_FILE - { - struct _IO_obstack_file ofile; - } new_f; - int result; - int size; - int room; - -#ifdef _IO_MTSAFE_IO - new_f.ofile.file.file._lock = NULL; -#endif - - _IO_no_init (&new_f.ofile.file.file, _IO_USER_LOCK, -1, NULL, NULL); - _IO_JUMPS (&new_f.ofile.file) = &_IO_obstack_jumps; - room = obstack_room (obstack); - size = obstack_object_size (obstack) + room; - if (size == 0) - { - /* We have to handle the allocation a bit different since the - `_IO_str_init_static' function would handle a size of zero - different from what we expect. */ - - /* Get more memory. */ - obstack_make_room (obstack, 64); - - /* Recompute how much room we have. */ - room = obstack_room (obstack); - size = room; - - assert (size != 0); - } - - _IO_str_init_static_internal ((struct _IO_strfile_ *) &new_f.ofile, - obstack_base (obstack), - size, obstack_next_free (obstack)); - /* Now allocate the rest of the current chunk. */ - assert (size == (new_f.ofile.file.file._IO_write_end - - new_f.ofile.file.file._IO_write_base)); - assert (new_f.ofile.file.file._IO_write_ptr - == (new_f.ofile.file.file._IO_write_base - + obstack_object_size (obstack))); - obstack_blank_fast (obstack, room); - - new_f.ofile.obstack = obstack; - - result = _IO_vfprintf (&new_f.ofile.file.file, format, args); - - /* Shrink the buffer to the space we really currently need. */ - obstack_blank_fast (obstack, (new_f.ofile.file.file._IO_write_ptr - - new_f.ofile.file.file._IO_write_end)); - - return result; -} -ldbl_weak_alias (_IO_obstack_vprintf, obstack_vprintf) - - -int -_IO_obstack_printf (struct obstack *obstack, const char *format, ...) -{ - int result; - va_list ap; - va_start (ap, format); - result = _IO_obstack_vprintf (obstack, format, ap); - va_end (ap); - return result; -} -ldbl_weak_alias (_IO_obstack_printf, obstack_printf) |