2006-11-14 Maxim Grigoriev <maxim@tensilica.com>

[deliverable/binutils-gdb.git] / gdb / ui-file.c

diff --git a/gdb/ui-file.c b/gdb/ui-file.c
index e91838cadc10d75dffe21ac1b1c825c9aec52c59..dd53a40a47e5e21b8ef8caea3375e7a3dcb4938d 100644 (file)
--- a/gdb/ui-file.c
+++ b/gdb/ui-file.c
@@ -1,5 +1,6 @@
 /* UI_FILE - a generic STDIO like output stream.
-   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+
+   Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -15,8 +16,8 @@
 
    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.  */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
 
 /* Implement the ``struct ui_file'' object. */
 
@@ -24,12 +25,12 @@
 #include "ui-file.h"
 #include "gdb_string.h"
 
-#undef XMALLOC
-#define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
+#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;
@@ -41,6 +42,7 @@ struct ui_file
     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;
@@ -58,6 +60,7 @@ ui_file_new (void)
   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);
@@ -68,7 +71,7 @@ void
 ui_file_delete (struct ui_file *file)
 {
   file->to_delete (file);
-  free (file);
+  xfree (file);
 }
 
 static int
@@ -125,6 +128,15 @@ null_file_write (struct ui_file *file,
     }
 }
 
+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)
 {
@@ -149,7 +161,8 @@ void *
 ui_file_data (struct ui_file *file)
 {
   if (file->magic != &ui_file_magic)
-    internal_error ("ui_file_data: bad magic number");
+    internal_error (__FILE__, __LINE__,
+                   _("ui_file_data: bad magic number"));
   return file->to_data;
 }
 
@@ -187,6 +200,12 @@ ui_file_write (struct ui_file *file,
   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)
 {
@@ -224,6 +243,12 @@ set_ui_file_write (struct ui_file *file,
   file->to_write = write;
 }
 
+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)
 {
@@ -314,10 +339,11 @@ mem_file_delete (struct ui_file *file)
 {
   struct mem_file *stream = ui_file_data (file);
   if (stream->magic != &mem_file_magic)
-    internal_error ("mem_file_delete: bad magic number");
+    internal_error (__FILE__, __LINE__,
+                   _("mem_file_delete: bad magic number"));
   if (stream->buffer != NULL)
-    free (stream->buffer);
-  free (stream);
+    xfree (stream->buffer);
+  xfree (stream);
 }
 
 struct ui_file *
@@ -331,7 +357,8 @@ mem_file_rewind (struct ui_file *file)
 {
   struct mem_file *stream = ui_file_data (file);
   if (stream->magic != &mem_file_magic)
-    internal_error ("mem_file_rewind: bad magic number");
+    internal_error (__FILE__, __LINE__,
+                   _("mem_file_rewind: bad magic number"));
   stream->length_buffer = 0;
 }
 
@@ -342,7 +369,8 @@ mem_file_put (struct ui_file *file,
 {
   struct mem_file *stream = ui_file_data (file);
   if (stream->magic != &mem_file_magic)
-    internal_error ("mem_file_put: bad magic number");
+    internal_error (__FILE__, __LINE__,
+                   _("mem_file_put: bad magic number"));
   if (stream->length_buffer > 0)
     write (dest, stream->buffer, stream->length_buffer);
 }
@@ -354,7 +382,8 @@ mem_file_write (struct ui_file *file,
 {
   struct mem_file *stream = ui_file_data (file);
   if (stream->magic != &mem_file_magic)
-    internal_error ("mem_file_write: bad magic number");
+    internal_error (__FILE__, __LINE__,
+                   _("mem_file_write: bad magic number"));
   if (stream->buffer == NULL)
     {
       stream->length_buffer = length_buffer;
@@ -380,6 +409,7 @@ mem_file_write (struct ui_file *file,
 
 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);
@@ -406,6 +436,7 @@ 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;
 }
@@ -415,12 +446,13 @@ stdio_file_delete (struct ui_file *file)
 {
   struct stdio_file *stdio = ui_file_data (file);
   if (stdio->magic != &stdio_file_magic)
-    internal_error ("stdio_file_delete: bad magic number");
+    internal_error (__FILE__, __LINE__,
+                   _("stdio_file_delete: bad magic number"));
   if (stdio->close_p)
     {
       fclose (stdio->file);
     }
-  free (stdio);
+  xfree (stdio);
 }
 
 static void
@@ -428,16 +460,28 @@ stdio_file_flush (struct ui_file *file)
 {
   struct stdio_file *stdio = ui_file_data (file);
   if (stdio->magic != &stdio_file_magic)
-    internal_error ("stdio_file_flush: bad magic number");
+    internal_error (__FILE__, __LINE__,
+                   _("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"));
+  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 ("stdio_file_write: bad magic number");
+    internal_error (__FILE__, __LINE__,
+                   _("stdio_file_write: bad magic number"));
   fwrite (buf, length_buf, 1, stdio->file);
 }
 
@@ -446,7 +490,8 @@ stdio_file_fputs (const char *linebuffer, struct ui_file *file)
 {
   struct stdio_file *stdio = ui_file_data (file);
   if (stdio->magic != &stdio_file_magic)
-    internal_error ("stdio_file_fputs: bad magic number");
+    internal_error (__FILE__, __LINE__,
+                   _("stdio_file_fputs: bad magic number"));
   fputs (linebuffer, stdio->file);
 }
 
@@ -455,7 +500,8 @@ stdio_file_isatty (struct ui_file *file)
 {
   struct stdio_file *stdio = ui_file_data (file);
   if (stdio->magic != &stdio_file_magic)
-    internal_error ("stdio_file_isatty: bad magic number");
+    internal_error (__FILE__, __LINE__,
+                   _("stdio_file_isatty: bad magic number"));
   return (isatty (fileno (stdio->file)));
 }
 
@@ -475,3 +521,97 @@ gdb_fopen (char *name, char *mode)
     return NULL;
   return stdio_file_new (f, 1);
 }
+
+/* ``struct ui_file'' implementation that maps onto two ui-file objects.  */
+
+static ui_file_write_ftype tee_file_write;
+static ui_file_fputs_ftype tee_file_fputs;
+static ui_file_isatty_ftype tee_file_isatty;
+static ui_file_delete_ftype tee_file_delete;
+static ui_file_flush_ftype tee_file_flush;
+
+static int tee_file_magic;
+
+struct tee_file
+  {
+    int *magic;
+    struct ui_file *one, *two;
+    int close_one, close_two;
+  };
+
+struct ui_file *
+tee_file_new (struct ui_file *one, int close_one,
+             struct ui_file *two, int close_two)
+{
+  struct ui_file *ui_file = ui_file_new ();
+  struct tee_file *tee = xmalloc (sizeof (struct tee_file));
+  tee->magic = &tee_file_magic;
+  tee->one = one;
+  tee->two = two;
+  tee->close_one = close_one;
+  tee->close_two = close_two;
+  set_ui_file_data (ui_file, tee, tee_file_delete);
+  set_ui_file_flush (ui_file, tee_file_flush);
+  set_ui_file_write (ui_file, tee_file_write);
+  set_ui_file_fputs (ui_file, tee_file_fputs);
+  set_ui_file_isatty (ui_file, tee_file_isatty);
+  return ui_file;
+}
+
+static void
+tee_file_delete (struct ui_file *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"));
+  if (tee->close_one)
+    ui_file_delete (tee->one);
+  if (tee->close_two)
+    ui_file_delete (tee->two);
+
+  xfree (tee);
+}
+
+static void
+tee_file_flush (struct ui_file *file)
+{
+  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->one->to_flush (tee->one);
+  tee->two->to_flush (tee->two);
+}
+
+static void
+tee_file_write (struct ui_file *file, const char *buf, long length_buf)
+{
+  struct tee_file *tee = ui_file_data (file);
+  if (tee->magic != &tee_file_magic)
+    internal_error (__FILE__, __LINE__,
+                   _("tee_file_write: bad magic number"));
+  ui_file_write (tee->one, buf, length_buf);
+  ui_file_write (tee->two, buf, length_buf);
+}
+
+static void
+tee_file_fputs (const char *linebuffer, struct ui_file *file)
+{
+  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->one->to_fputs (linebuffer, tee->one);
+  tee->two->to_fputs (linebuffer, tee->two);
+}
+
+static int
+tee_file_isatty (struct ui_file *file)
+{
+  struct tee_file *tee = ui_file_data (file);
+  if (tee->magic != &tee_file_magic)
+    internal_error (__FILE__, __LINE__,
+                   _("tee_file_isatty: bad magic number"));
+  return (0);
+}