/* UI_FILE - a generic STDIO like output stream.
- Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2000, 2001, 2002, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
This file is part of GDB.
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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Implement the ``struct ui_file'' object. */
#include "defs.h"
#include "ui-file.h"
+#include "gdb_obstack.h"
#include "gdb_string.h"
+#include "gdb_select.h"
+
+#include <errno.h>
static ui_file_isatty_ftype null_file_isatty;
static ui_file_write_ftype null_file_write;
static ui_file_fputs_ftype null_file_fputs;
+static ui_file_read_ftype null_file_read;
static ui_file_flush_ftype null_file_flush;
static ui_file_delete_ftype null_file_delete;
static ui_file_rewind_ftype null_file_rewind;
ui_file_flush_ftype *to_flush;
ui_file_write_ftype *to_write;
ui_file_fputs_ftype *to_fputs;
+ ui_file_read_ftype *to_read;
ui_file_delete_ftype *to_delete;
ui_file_isatty_ftype *to_isatty;
ui_file_rewind_ftype *to_rewind;
set_ui_file_flush (file, null_file_flush);
set_ui_file_write (file, null_file_write);
set_ui_file_fputs (file, null_file_fputs);
+ set_ui_file_read (file, null_file_read);
set_ui_file_isatty (file, null_file_isatty);
set_ui_file_rewind (file, null_file_rewind);
set_ui_file_put (file, null_file_put);
}
}
+static long
+null_file_read (struct ui_file *file,
+ char *buf,
+ long sizeof_buf)
+{
+ errno = EBADF;
+ return 0;
+}
+
static void
null_file_fputs (const char *buf, struct ui_file *file)
{
{
if (file->magic != &ui_file_magic)
internal_error (__FILE__, __LINE__,
- "ui_file_data: bad magic number");
+ _("ui_file_data: bad magic number"));
return file->to_data;
}
file->to_write (file, buf, length_buf);
}
+long
+ui_file_read (struct ui_file *file, char *buf, long length_buf)
+{
+ return file->to_read (file, buf, length_buf);
+}
+
void
fputs_unfiltered (const char *buf, struct ui_file *file)
{
}
void
+set_ui_file_read (struct ui_file *file, ui_file_read_ftype *read)
+{
+ file->to_read = read;
+}
+
+void
set_ui_file_fputs (struct ui_file *file, ui_file_fputs_ftype *fputs)
{
file->to_fputs = fputs;
}
/* ui_file utility function for converting a ``struct ui_file'' into
- a memory buffer''. */
+ a memory buffer. */
struct accumulated_ui_file
{
}
char *
-ui_file_xstrdup (struct ui_file *file,
- long *length)
+ui_file_xstrdup (struct ui_file *file, long *length)
{
struct accumulated_ui_file acc;
acc.buffer = NULL;
ui_file_put (file, do_ui_file_xstrdup, &acc);
if (acc.buffer == NULL)
acc.buffer = xstrdup ("");
- *length = acc.length;
+ if (length != NULL)
+ *length = acc.length;
return acc.buffer;
}
+
+static void
+do_ui_file_obsavestring (void *context, const char *buffer, long length)
+{
+ struct obstack *obstack = (struct obstack *) context;
+ obstack_grow (obstack, buffer, length);
+}
+
+char *
+ui_file_obsavestring (struct ui_file *file, struct obstack *obstack,
+ long *length)
+{
+ ui_file_put (file, do_ui_file_obsavestring, obstack);
+ *length = obstack_object_size (obstack);
+ obstack_1grow (obstack, '\0');
+ return obstack_finish (obstack);
+}
\f
/* A pure memory based ``struct ui_file'' that can be used an output
buffer. The buffers accumulated contents are available via
struct mem_file *stream = ui_file_data (file);
if (stream->magic != &mem_file_magic)
internal_error (__FILE__, __LINE__,
- "mem_file_delete: bad magic number");
+ _("mem_file_delete: bad magic number"));
if (stream->buffer != NULL)
xfree (stream->buffer);
xfree (stream);
struct mem_file *stream = ui_file_data (file);
if (stream->magic != &mem_file_magic)
internal_error (__FILE__, __LINE__,
- "mem_file_rewind: bad magic number");
+ _("mem_file_rewind: bad magic number"));
stream->length_buffer = 0;
}
struct mem_file *stream = ui_file_data (file);
if (stream->magic != &mem_file_magic)
internal_error (__FILE__, __LINE__,
- "mem_file_put: bad magic number");
+ _("mem_file_put: bad magic number"));
if (stream->length_buffer > 0)
write (dest, stream->buffer, stream->length_buffer);
}
struct mem_file *stream = ui_file_data (file);
if (stream->magic != &mem_file_magic)
internal_error (__FILE__, __LINE__,
- "mem_file_write: bad magic number");
+ _("mem_file_write: bad magic number"));
if (stream->buffer == NULL)
{
stream->length_buffer = length_buffer;
static ui_file_write_ftype stdio_file_write;
static ui_file_fputs_ftype stdio_file_fputs;
+static ui_file_read_ftype stdio_file_read;
static ui_file_isatty_ftype stdio_file_isatty;
static ui_file_delete_ftype stdio_file_delete;
static struct ui_file *stdio_file_new (FILE * file, int close_p);
set_ui_file_flush (ui_file, stdio_file_flush);
set_ui_file_write (ui_file, stdio_file_write);
set_ui_file_fputs (ui_file, stdio_file_fputs);
+ set_ui_file_read (ui_file, stdio_file_read);
set_ui_file_isatty (ui_file, stdio_file_isatty);
return ui_file;
}
struct stdio_file *stdio = ui_file_data (file);
if (stdio->magic != &stdio_file_magic)
internal_error (__FILE__, __LINE__,
- "stdio_file_delete: bad magic number");
+ _("stdio_file_delete: bad magic number"));
if (stdio->close_p)
{
fclose (stdio->file);
struct stdio_file *stdio = ui_file_data (file);
if (stdio->magic != &stdio_file_magic)
internal_error (__FILE__, __LINE__,
- "stdio_file_flush: bad magic number");
+ _("stdio_file_flush: bad magic number"));
fflush (stdio->file);
}
+static long
+stdio_file_read (struct ui_file *file, char *buf, long length_buf)
+{
+ struct stdio_file *stdio = ui_file_data (file);
+ if (stdio->magic != &stdio_file_magic)
+ internal_error (__FILE__, __LINE__,
+ _("stdio_file_read: bad magic number"));
+
+ /* For the benefit of Windows, call gdb_select before reading from
+ the file. Wait until at least one byte of data is available.
+ Control-C can interrupt gdb_select, but not read. */
+ {
+ int fd = fileno (stdio->file);
+ fd_set readfds;
+ FD_ZERO (&readfds);
+ FD_SET (fd, &readfds);
+ if (gdb_select (fd + 1, &readfds, NULL, NULL, NULL) == -1)
+ return -1;
+ }
+
+ return read (fileno (stdio->file), buf, length_buf);
+}
+
static void
stdio_file_write (struct ui_file *file, const char *buf, long length_buf)
{
struct stdio_file *stdio = ui_file_data (file);
if (stdio->magic != &stdio_file_magic)
internal_error (__FILE__, __LINE__,
- "stdio_file_write: bad magic number");
- fwrite (buf, length_buf, 1, stdio->file);
+ _("stdio_file_write: bad magic number"));
+ /* Calling error crashes when we are called from the exception framework. */
+ if (fwrite (buf, length_buf, 1, stdio->file))
+ ;
}
static void
struct stdio_file *stdio = ui_file_data (file);
if (stdio->magic != &stdio_file_magic)
internal_error (__FILE__, __LINE__,
- "stdio_file_fputs: bad magic number");
- fputs (linebuffer, stdio->file);
+ _("stdio_file_fputs: bad magic number"));
+ /* Calling error crashes when we are called from the exception framework. */
+ if (fputs (linebuffer, stdio->file))
+ ;
}
static int
struct stdio_file *stdio = ui_file_data (file);
if (stdio->magic != &stdio_file_magic)
internal_error (__FILE__, __LINE__,
- "stdio_file_isatty: bad magic number");
+ _("stdio_file_isatty: bad magic number"));
return (isatty (fileno (stdio->file)));
}
struct tee_file *tee = ui_file_data (file);
if (tee->magic != &tee_file_magic)
internal_error (__FILE__, __LINE__,
- "tee_file_delete: bad magic number");
+ _("tee_file_delete: bad magic number"));
if (tee->close_one)
ui_file_delete (tee->one);
if (tee->close_two)
struct tee_file *tee = ui_file_data (file);
if (tee->magic != &tee_file_magic)
internal_error (__FILE__, __LINE__,
- "tee_file_flush: bad magic number");
+ _("tee_file_flush: bad magic number"));
tee->one->to_flush (tee->one);
tee->two->to_flush (tee->two);
}
struct tee_file *tee = ui_file_data (file);
if (tee->magic != &tee_file_magic)
internal_error (__FILE__, __LINE__,
- "tee_file_write: bad magic number");
+ _("tee_file_write: bad magic number"));
ui_file_write (tee->one, buf, length_buf);
ui_file_write (tee->two, buf, length_buf);
}
struct tee_file *tee = ui_file_data (file);
if (tee->magic != &tee_file_magic)
internal_error (__FILE__, __LINE__,
- "tee_file_fputs: bad magic number");
+ _("tee_file_fputs: bad magic number"));
tee->one->to_fputs (linebuffer, tee->one);
tee->two->to_fputs (linebuffer, tee->two);
}
struct tee_file *tee = ui_file_data (file);
if (tee->magic != &tee_file_magic)
internal_error (__FILE__, __LINE__,
- "tee_file_isatty: bad magic number");
+ _("tee_file_isatty: bad magic number"));
return (0);
}
projects / external / binutils.git / blobdiff