X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fui-file.c;h=6ad5414b19ff7e7f50bb1a0fdc80e7cb6539fe25;hb=ac7b618e105c458ef9c34e8735cf5f17b526fb4d;hp=d077009956a140754bc958bc9e330dc3c3b50968;hpb=abd8680d6efd97e7ba848a6392ee3ad72be18cd0;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/ui-file.c b/gdb/ui-file.c
index d077009956..6ad5414b19 100644
--- 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 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -22,13 +23,14 @@
 
 #include "defs.h"
 #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;
@@ -40,6 +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;
@@ -49,7 +52,7 @@ struct ui_file
 int ui_file_magic;
 
 struct ui_file *
-ui_file_new ()
+ui_file_new (void)
 {
   struct ui_file *file = xmalloc (sizeof (struct ui_file));
   file->magic = &ui_file_magic;
@@ -57,6 +60,7 @@ ui_file_new ()
   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);
@@ -64,23 +68,20 @@ ui_file_new ()
 }
 
 void
-ui_file_delete (file)
-     struct ui_file *file;
+ui_file_delete (struct ui_file *file)
 {
   file->to_delete (file);
-  free (file);
+  xfree (file);
 }
 
 static int
-null_file_isatty (file)
-     struct ui_file *file;
+null_file_isatty (struct ui_file *file)
 {
   return 0;
 }
 
 static void
-null_file_rewind (file)
-     struct ui_file *file;
+null_file_rewind (struct ui_file *file)
 {
   return;
 }
@@ -94,8 +95,7 @@ null_file_put (struct ui_file *file,
 }
 
 static void
-null_file_flush (file)
-     struct ui_file *file;
+null_file_flush (struct ui_file *file)
 {
   return;
 }
@@ -128,10 +128,17 @@ 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 (buf, file)
-     const char *buf;
-     struct ui_file *file;
+null_file_fputs (const char *buf, struct ui_file *file)
 {
   if (file->to_write == null_file_write)
     /* Both the write and fputs methods are null. Discard the
@@ -145,38 +152,34 @@ null_file_fputs (buf, file)
 }
 
 static void
-null_file_delete (file)
-     struct ui_file *file;
+null_file_delete (struct ui_file *file)
 {
   return;
 }
 
 void *
-ui_file_data (file)
-     struct ui_file *file;
+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;
 }
 
 void
-gdb_flush (file)
-     struct ui_file *file;
+gdb_flush (struct ui_file *file)
 {
   file->to_flush (file);
 }
 
 int
-ui_file_isatty (file)
-     struct ui_file *file;
+ui_file_isatty (struct ui_file *file)
 {
   return file->to_isatty (file);
 }
 
 void
-ui_file_rewind (file)
-     struct ui_file *file;
+ui_file_rewind (struct ui_file *file)
 {
   file->to_rewind (file);
 }
@@ -197,42 +200,38 @@ 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 (buf, file)
-     const char *buf;
-     struct ui_file *file;
+fputs_unfiltered (const char *buf, struct ui_file *file)
 {
   file->to_fputs (buf, file);
 }
 
 void
-set_ui_file_flush (file, flush)
-     struct ui_file *file;
-     ui_file_flush_ftype *flush;
+set_ui_file_flush (struct ui_file *file, ui_file_flush_ftype *flush)
 {
   file->to_flush = flush;
 }
 
 void
-set_ui_file_isatty (file, isatty)
-     struct ui_file *file;
-     ui_file_isatty_ftype *isatty;
+set_ui_file_isatty (struct ui_file *file, ui_file_isatty_ftype *isatty)
 {
   file->to_isatty = isatty;
 }
 
 void
-set_ui_file_rewind (file, rewind)
-     struct ui_file *file;
-     ui_file_rewind_ftype *rewind;
+set_ui_file_rewind (struct ui_file *file, ui_file_rewind_ftype *rewind)
 {
   file->to_rewind = rewind;
 }
 
 void
-set_ui_file_put (file, put)
-     struct ui_file *file;
-     ui_file_put_ftype *put;
+set_ui_file_put (struct ui_file *file, ui_file_put_ftype *put)
 {
   file->to_put = put;
 }
@@ -245,18 +244,20 @@ set_ui_file_write (struct ui_file *file,
 }
 
 void
-set_ui_file_fputs (file, fputs)
-     struct ui_file *file;
-     ui_file_fputs_ftype *fputs;
+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;
 }
 
 void
-set_ui_file_data (file, data, delete)
-     struct ui_file *file;
-     void *data;
-     ui_file_delete_ftype *delete;
+set_ui_file_data (struct ui_file *file, void *data,
+		  ui_file_delete_ftype *delete)
 {
   file->to_data = data;
   file->to_delete = delete;
@@ -314,7 +315,7 @@ static ui_file_rewind_ftype mem_file_rewind;
 static ui_file_put_ftype mem_file_put;
 static ui_file_write_ftype mem_file_write;
 static ui_file_delete_ftype mem_file_delete;
-static struct ui_file *mem_file_new PARAMS ((void));
+static struct ui_file *mem_file_new (void);
 static int mem_file_magic;
 
 static struct ui_file *
@@ -338,10 +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 *
@@ -355,7 +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;
 }
 
@@ -366,7 +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);
 }
@@ -378,7 +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;
@@ -404,9 +409,10 @@ 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 PARAMS ((FILE * file, int close_p));
+static struct ui_file *stdio_file_new (FILE * file, int close_p);
 static ui_file_flush_ftype stdio_file_flush;
 
 static int stdio_file_magic;
@@ -419,9 +425,7 @@ struct stdio_file
   };
 
 static struct ui_file *
-stdio_file_new (file, close_p)
-     FILE *file;
-     int close_p;
+stdio_file_new (FILE *file, int close_p)
 {
   struct ui_file *ui_file = ui_file_new ();
   struct stdio_file *stdio = xmalloc (sizeof (struct stdio_file));
@@ -432,80 +436,182 @@ stdio_file_new (file, 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;
 }
 
 static void
-stdio_file_delete (file)
-     struct ui_file *file;
+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
-stdio_file_flush (file)
-     struct ui_file *file;
+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);
 }
 
 static void
-stdio_file_fputs (linebuffer, file)
-     const char *linebuffer;
-     struct ui_file *file;
+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);
 }
 
 static int
-stdio_file_isatty (file)
-     struct ui_file *file;
+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)));
 }
 
 /* Like fdopen().  Create a ui_file from a previously opened FILE. */
 
 struct ui_file *
-stdio_fileopen (file)
-     FILE *file;
+stdio_fileopen (FILE *file)
 {
   return stdio_file_new (file, 0);
 }
 
 struct ui_file *
-gdb_fopen (name, mode)
-     char *name;
-     char *mode;
+gdb_fopen (char *name, char *mode)
 {
   FILE *f = fopen (name, mode);
   if (f == NULL)
     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);
+}