-/* Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2016 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
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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#include "libioP.h"
#include "strfile.h"
};
-static int _IO_mem_sync __P ((_IO_FILE* fp));
-static void _IO_mem_finish __P ((_IO_FILE* fp, int));
-static int _IO_wmem_sync __P ((_IO_FILE* fp));
-static void _IO_wmem_finish __P ((_IO_FILE* fp, int));
+static int _IO_mem_sync (_IO_FILE* fp) __THROW;
+static void _IO_mem_finish (_IO_FILE* fp, int) __THROW;
-static struct _IO_jump_t _IO_mem_jumps =
+static const struct _IO_jump_t _IO_mem_jumps =
{
JUMP_INIT_DUMMY,
JUMP_INIT (finish, _IO_mem_finish),
JUMP_INIT(imbue, _IO_default_imbue)
};
-static struct _IO_jump_t _IO_wmem_jumps =
-{
- JUMP_INIT_DUMMY,
- JUMP_INIT (finish, (_IO_finish_t) _IO_wmem_finish),
- JUMP_INIT (overflow, (_IO_overflow_t) _IO_wstr_overflow),
- JUMP_INIT (underflow, (_IO_underflow_t) _IO_wstr_underflow),
- JUMP_INIT (uflow, (_IO_underflow_t) _IO_wdefault_uflow),
- JUMP_INIT (pbackfail, (_IO_pbackfail_t) _IO_wstr_pbackfail),
- JUMP_INIT (xsputn, (_IO_xsputn_t) _IO_wdefault_xsputn),
- JUMP_INIT (xsgetn, (_IO_xsgetn_t) _IO_wdefault_xsgetn),
- JUMP_INIT (seekoff, _IO_wstr_seekoff),
- JUMP_INIT (seekpos, _IO_default_seekpos),
- JUMP_INIT (setbuf, (_IO_setbuf_t) _IO_wdefault_setbuf),
- JUMP_INIT (sync, (_IO_sync_t) _IO_wmem_sync),
- JUMP_INIT (doallocate, _IO_wdefault_doallocate),
- JUMP_INIT (read, _IO_default_read),
- JUMP_INIT (write, _IO_default_write),
- JUMP_INIT (seek, _IO_default_seek),
- JUMP_INIT (close, _IO_default_close),
- JUMP_INIT (stat, _IO_default_stat),
- JUMP_INIT(showmanyc, _IO_default_showmanyc),
- JUMP_INIT(imbue, _IO_default_imbue)
-};
-
/* Open a stream that writes into a malloc'd buffer that is expanded as
necessary. *BUFLOC and *SIZELOC are updated with the buffer's location
and the number of characters written on fflush or fclose. */
_IO_FILE *
-open_memstream (bufloc, sizeloc)
- char **bufloc;
- _IO_size_t *sizeloc;
+__open_memstream (char **bufloc, _IO_size_t *sizeloc)
{
struct locked_FILE
{
new_f->fp._sf._sbf._f._lock = &new_f->lock;
#endif
- buf = malloc (_IO_BUFSIZ);
+ buf = calloc (1, _IO_BUFSIZ);
if (buf == NULL)
- return NULL;
- _IO_no_init (&new_f->fp._sf._sbf._f, 0, 0, &new_f->wd, &_IO_wmem_jumps);
- _IO_JUMPS ((struct _IO_FILE_plus *) &new_f->fp._sf._sbf) = &_IO_mem_jumps;
- _IO_str_init_static (&new_f->fp._sf, buf, _IO_BUFSIZ, buf);
+ {
+ free (new_f);
+ return NULL;
+ }
+ _IO_init (&new_f->fp._sf._sbf._f, 0);
+ _IO_JUMPS_FILE_plus (&new_f->fp._sf._sbf) = &_IO_mem_jumps;
+ _IO_str_init_static_internal (&new_f->fp._sf, buf, _IO_BUFSIZ, buf);
new_f->fp._sf._sbf._f._flags &= ~_IO_USER_BUF;
new_f->fp._sf._s._allocate_buffer = (_IO_alloc_type) malloc;
new_f->fp._sf._s._free_buffer = (_IO_free_type) free;
return (_IO_FILE *) &new_f->fp._sf._sbf;
}
+libc_hidden_def (__open_memstream)
+weak_alias (__open_memstream, open_memstream)
static int
-_IO_mem_sync (fp)
- _IO_FILE* fp;
+_IO_mem_sync (_IO_FILE *fp)
{
struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
- int res;
-
- res = _IO_default_sync (fp);
- if (res < 0)
- return res;
if (fp->_IO_write_ptr == fp->_IO_write_end)
{
static void
-_IO_mem_finish (fp, dummy)
- _IO_FILE* fp;
- int dummy;
+_IO_mem_finish (_IO_FILE *fp, int dummy)
{
struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
{
(*mp->bufloc)[fp->_IO_write_ptr - fp->_IO_write_base] = '\0';
*mp->sizeloc = fp->_IO_write_ptr - fp->_IO_write_base;
- }
-
- fp->_IO_buf_base = NULL;
-
- _IO_default_finish (fp, 0);
-}
-
-static int
-_IO_wmem_sync (fp)
- _IO_FILE* fp;
-{
- struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
- int res;
-
- res = _IO_default_sync (fp);
- if (res < 0)
- return res;
-
- if (fp->_wide_data->_IO_write_ptr == fp->_wide_data->_IO_write_end)
- {
- _IO_wstr_overflow (fp, L'\0');
- --fp->_wide_data->_IO_write_ptr;
+ fp->_IO_buf_base = NULL;
}
- else
- *fp->_wide_data->_IO_write_ptr = '\0';
-
- *mp->bufloc = (char *) fp->_wide_data->_IO_write_base;
- *mp->sizeloc = (fp->_wide_data->_IO_write_ptr
- - fp->_wide_data->_IO_write_base);
-
- return 0;
-}
-
-
-static void
-_IO_wmem_finish (fp, dummy)
- _IO_FILE* fp;
- int dummy;
-{
- struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
-
- *mp->bufloc = (char *) realloc (fp->_wide_data->_IO_write_base,
- (fp->_wide_data->_IO_write_ptr
- - fp->_wide_data->_IO_write_base + 1)
- * sizeof (wchar_t));
- if (*mp->bufloc != NULL)
- {
- ((wchar_t *) (*mp->bufloc))[fp->_wide_data->_IO_write_ptr
- - fp->_wide_data->_IO_write_base] = '\0';
- *mp->sizeloc = (fp->_wide_data->_IO_write_ptr
- - fp->_wide_data->_IO_write_base);
- }
-
- fp->_wide_data->_IO_buf_base = NULL;
- _IO_default_finish (fp, 0);
+ _IO_str_finish (fp, 0);
}
projects / thirdparty / glibc.git / blobdiff