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/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
#if !IS_CPLUSPLUS
#define file_ostream_representation any_ostream_representation
#endif
#line 1 "file-ostream.oo.c"
/* Output stream referring to an stdio FILE.
Copyright (C) 2006, 2019-2020 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2006.
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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include "file-ostream.h"
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#if HAVE_TCDRAIN
# include <termios.h>
#endif
#include "xalloc.h"
#line 39 "file-ostream.c"
#include "file_ostream.priv.h"
const typeinfo_t file_ostream_typeinfo = { "file_ostream" };
static const typeinfo_t * const file_ostream_superclasses[] =
{ file_ostream_SUPERCLASSES };
#define super ostream_vtable
#line 37 "file-ostream.oo.c"
#if HAVE_TCDRAIN
/* EINTR handling for tcdrain().
This function can return -1/EINTR even though we don't have any
signal handlers set up, namely when we get interrupted via SIGSTOP. */
static inline int
nonintr_tcdrain (int fd)
{
int retval;
do
retval = tcdrain (fd);
while (retval < 0 && errno == EINTR);
return retval;
}
#endif
/* Implementation of ostream_t methods. */
static void
file_ostream__write_mem (file_ostream_t stream, const void *data, size_t len)
{
if (len > 0)
fwrite (data, 1, len, stream->fp);
}
static void
file_ostream__flush (file_ostream_t stream, ostream_flush_scope_t scope)
{
/* This ostream has no internal buffer, therefore nothing to do for
scope == FLUSH_THIS_STREAM. */
if (scope != FLUSH_THIS_STREAM)
{
fflush (stream->fp);
if (scope == FLUSH_ALL)
{
int fd = fileno (stream->fp);
if (fd >= 0)
{
/* For streams connected to a disk file: */
fsync (fd);
#if HAVE_TCDRAIN
/* For streams connected to a terminal: */
nonintr_tcdrain (fd);
#endif
}
}
}
}
static void
file_ostream__free (file_ostream_t stream)
{
free (stream);
}
/* Constructor. */
file_ostream_t
file_ostream_create (FILE *fp)
{
file_ostream_t stream = XMALLOC (struct file_ostream_representation);
stream->base.vtable = &file_ostream_vtable;
stream->fp = fp;
return stream;
}
/* Accessors. */
static FILE *
file_ostream__get_stdio_stream (file_ostream_t stream)
{
return stream->fp;
}
/* Instanceof test. */
bool
is_instance_of_file_ostream (ostream_t stream)
{
return IS_INSTANCE (stream, ostream, file_ostream);
}
#line 139 "file-ostream.c"
const struct file_ostream_implementation file_ostream_vtable =
{
file_ostream_superclasses,
sizeof (file_ostream_superclasses) / sizeof (file_ostream_superclasses[0]),
sizeof (struct file_ostream_representation),
file_ostream__write_mem,
file_ostream__flush,
file_ostream__free,
file_ostream__get_stdio_stream,
};
#if !HAVE_INLINE
/* Define the functions that invoke the methods. */
void
file_ostream_write_mem (file_ostream_t first_arg, const void *data, size_t len)
{
const struct file_ostream_implementation *vtable =
((struct file_ostream_representation_header *) (struct file_ostream_representation *) first_arg)->vtable;
vtable->write_mem (first_arg,data,len);
}
void
file_ostream_flush (file_ostream_t first_arg, ostream_flush_scope_t scope)
{
const struct file_ostream_implementation *vtable =
((struct file_ostream_representation_header *) (struct file_ostream_representation *) first_arg)->vtable;
vtable->flush (first_arg,scope);
}
void
file_ostream_free (file_ostream_t first_arg)
{
const struct file_ostream_implementation *vtable =
((struct file_ostream_representation_header *) (struct file_ostream_representation *) first_arg)->vtable;
vtable->free (first_arg);
}
FILE *
file_ostream_get_stdio_stream (file_ostream_t first_arg)
{
const struct file_ostream_implementation *vtable =
((struct file_ostream_representation_header *) (struct file_ostream_representation *) first_arg)->vtable;
return vtable->get_stdio_stream (first_arg);
}
#endif
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