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authorRoland McGrath <roland@gnu.org>2000-03-10 08:46:33 +0000
committerRoland McGrath <roland@gnu.org>2000-03-10 08:46:33 +0000
commitb4e54243c42ac249943bb6904cd74c82d0350e02 (patch)
treed7e3139873ccad36c0116d70b61f39fa364de870
parent418f095a3ef195e3188a969050a831f0ec96d793 (diff)
downloadglibc-b4e54243c42ac249943bb6904cd74c82d0350e02.tar.gz
glibc-b4e54243c42ac249943bb6904cd74c82d0350e02.tar.xz
glibc-b4e54243c42ac249943bb6904cd74c82d0350e02.zip
* mach/devstream.c (devstream_write, devstream_read): New functions.
	(input, output): Functions removed.
	(mach_open_devstream): Use devstream_{read,write} as cookie functions,
	using only the vanilla fopencookie interface.

	* hurd/fopenport.c [! USE_IN_LIBIO] (cookie_io_functions_t): Define
	as macro for __io_functions.
	(funcsio): Use cookie_io_functions_t type name.
	(fopenport): Renamed from __fopenport.  Rewrite to call fopencookie.

	* libio/iofopncook.c (_IO_cookie_init): New function, broken out of
	fopencookie.
	(fopencookie): Use it.
	* libio/libio.h: Declare _IO_cookie_init.
	* hurd/vpprintf.c (vpprintf) [USE_IN_LIBIO]: Implement using
	_IO_cookie_init.

	* libio/libio.h (__io_seek_fn): Fix second argument type
	to be a pointer, in line with the manual and the old stdio.
	* libio/iofopncook.c (_IO_cookie_seek): Fix (sole) caller.

	* sysdeps/generic/bits/stdio-lock.h: New file.
	This is a stub with #error, but that's better than no file at all.

	* sysdeps/unix/sysv/linux/alpha/syscall.S:
	* manual/message.texi (Using gettextized software):
	* manual/filesys.texi (File Size):
	* manual/charset.texi (glibc iconv Implementation):
	* locale/programs/ld-collate.c (collate_output):
	* manual/stdio.texi (Output Conversion Syntax):
-rw-r--r--ChangeLog38
-rw-r--r--bits/stdio-lock.h46
-rw-r--r--hurd/vpprintf.c26
-rw-r--r--libio/iofopncook.c48
-rw-r--r--libio/libio.h8
-rw-r--r--mach/devstream.c239
-rw-r--r--sysdeps/generic/bits/stdio-lock.h46
7 files changed, 239 insertions, 212 deletions
diff --git a/ChangeLog b/ChangeLog
index c7f916a6fe..fa53837455 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,15 +1,41 @@
+2000-03-10  Roland McGrath  <roland@baalperazim.frob.com>
+
+	* mach/devstream.c (devstream_write, devstream_read): New functions.
+	(input, output): Functions removed.
+	(mach_open_devstream): Use devstream_{read,write} as cookie functions,
+	using only the vanilla fopencookie interface.
+
+	* hurd/fopenport.c [! USE_IN_LIBIO] (cookie_io_functions_t): Define
+	as macro for __io_functions.
+	(funcsio): Use cookie_io_functions_t type name.
+	(fopenport): Renamed from __fopenport.  Rewrite to call fopencookie.
+
+	* libio/iofopncook.c (_IO_cookie_init): New function, broken out of
+	fopencookie.
+	(fopencookie): Use it.
+	* libio/libio.h: Declare _IO_cookie_init.
+	* hurd/vpprintf.c (vpprintf) [USE_IN_LIBIO]: Implement using
+	_IO_cookie_init.
+
+	* libio/libio.h (__io_seek_fn): Fix second argument type
+	to be a pointer, in line with the manual and the old stdio.
+	* libio/iofopncook.c (_IO_cookie_seek): Fix (sole) caller.
+
+	* sysdeps/generic/bits/stdio-lock.h: New file.
+	This is a stub with #error, but that's better than no file at all.
+
 2000-03-09  Martin Buchholz  <martin@xemacs.org>
 
-	* sysdeps/unix/sysv/linux/alpha/syscall.S: 
-	* manual/message.texi (Using gettextized software): 
+	* sysdeps/unix/sysv/linux/alpha/syscall.S:
+	* manual/message.texi (Using gettextized software):
 	* manual/message.texi (Message Translation): Doc Fixes.
-	* manual/filesys.texi (File Size): 
-	* manual/charset.texi (glibc iconv Implementation): 
-	* locale/programs/ld-collate.c (collate_output): 
+	* manual/filesys.texi (File Size):
+	* manual/charset.texi (glibc iconv Implementation):
+	* locale/programs/ld-collate.c (collate_output):
 	* iconv/gconv_db.c (find_derivation):
 	* manual/install.texi:
 	* manual/search.texi (Hash Search Function):
-	* manual/stdio.texi (Output Conversion Syntax): 
+	* manual/stdio.texi (Output Conversion Syntax):
 	* FAQ.in:
 	* config.h.in:
 	* sysdeps/generic/dl-sysdep.c:
diff --git a/bits/stdio-lock.h b/bits/stdio-lock.h
new file mode 100644
index 0000000000..39d5b0b9c9
--- /dev/null
+++ b/bits/stdio-lock.h
@@ -0,0 +1,46 @@
+/* Thread package specific definitions of stream lock type.  Stub version.
+   Copyright (C) 2000 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
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_STDIO_LOCK_H
+#define _BITS_STDIO_LOCK_H 1
+
+#include <bits/libc-lock.h>
+
+__libc_lock_define (typedef, _IO_lock_t)
+
+/* We need recursive (counting) mutexes.  */
+#define _IO_lock_initializer STUB_LOSER
+#error libio needs recursive mutexes for _IO_MTSAFE_IO
+
+
+#define _IO_cleanup_region_start(_fct, _fp) \
+     __libc_cleanup_region_start (_fct, _fp)
+#define _IO_cleanup_region_end(_doit) \
+     __libc_cleanup_region_end (_doit)
+#define _IO_lock_init(_name) \
+     __libc_lock_init_recursive (_name)
+#define _IO_lock_fini(_name) \
+     __libc_lock_fini_recursive (_name)
+#define _IO_lock_lock(_name) \
+     __libc_lock_lock (_name)
+#define _IO_lock_unlock(_name) \
+     __libc_lock_unlock (_name)
+
+
+#endif /* bits/stdio-lock.h */
diff --git a/hurd/vpprintf.c b/hurd/vpprintf.c
index fe521774ea..b713a06d70 100644
--- a/hurd/vpprintf.c
+++ b/hurd/vpprintf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1994, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1991,94,97,2000 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
@@ -33,7 +33,6 @@ pwrite (void *cookie,
   return n;
 }
 
-
 /* Write formatted output to PORT, a Mach port supporting the i/o protocol,
    according to the format string FORMAT, using the argument list in ARG.  */
 int
@@ -42,6 +41,27 @@ vpprintf (io_t port,
 	  va_list arg)
 {
   int done;
+
+#ifdef USE_IN_LIBIO
+
+  struct locked_FILE
+  {
+    struct _IO_cookie_file cfile;
+#ifdef _IO_MTSAFE_IO
+    _IO_lock_t lock;
+#endif
+  } temp_f;
+#ifdef _IO_MTSAFE_IO
+  temp_f.cfile.__file._lock = &temp_f.lock;
+#endif
+
+  _IO_cookie_init (&temp_f.cfile, _IO_NO_READS,
+		   (void *) port, (cookie_io_functions_t) { write: pwrite });
+
+  done = _IO_vfprintf (&temp_f.cfile.__file, format, arg);
+
+#else
+
   FILE f;
 
   /* Create an unbuffered stream talking to PORT on the stack.  */
@@ -57,5 +77,7 @@ vpprintf (io_t port,
   /* vfprintf will use a buffer on the stack for the life of the call.  */
   done = vfprintf (&f, format, arg);
 
+#endif
+
   return done;
 }
diff --git a/libio/iofopncook.c b/libio/iofopncook.c
index 7b76826031..56f2239764 100644
--- a/libio/iofopncook.c
+++ b/libio/iofopncook.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1995, 1997, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1993,95,97,99,2000 Free Software Foundation, Inc.
    This file is part of the GNU IO Library.
 
    This library is free software; you can redistribute it and/or
@@ -74,10 +74,9 @@ _IO_cookie_seek (fp, offset, dir)
 {
   struct _IO_cookie_file *cfile = (struct _IO_cookie_file *) fp;
 
-  if (cfile->__io_functions.seek == NULL)
-    return _IO_pos_BAD;
-
-  return cfile->__io_functions.seek (cfile->__cookie, offset, dir);
+  return ((cfile->__io_functions.seek == NULL
+	   || cfile->__io_functions.seek (cfile->__cookie, &offset, dir))
+	  ? _IO_pos_BAD : offset);
 }
 
 static int
@@ -117,6 +116,29 @@ static struct _IO_jump_t _IO_cookie_jumps = {
 };
 
 
+void
+_IO_cookie_init (struct _IO_cookie_file *cfile, int read_write,
+		 void *cookie, _IO_cookie_io_functions_t io_functions)
+{
+  _IO_init (&cfile->__file, 0);
+  _IO_JUMPS (&cfile->__file) = &_IO_cookie_jumps;
+
+  cfile->__cookie = cookie;
+  cfile->__io_functions = io_functions;
+
+  _IO_file_init(&cfile->__file);
+
+  cfile->__file._IO_file_flags =
+    _IO_mask_flags (&cfile->__file, read_write,
+		    _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING);
+
+  /* We use a negative number different from -1 for _fileno to mark that
+     this special stream is not associated with a real file, but still has
+     to be treated as such.  */
+  cfile->__file._fileno = -2;
+}
+
+
 _IO_FILE *
 fopencookie (cookie, mode, io_functions)
      void *cookie;
@@ -156,21 +178,7 @@ fopencookie (cookie, mode, io_functions)
   new_f->cfile.__file._lock = &new_f->lock;
 #endif
 
-  _IO_init (&new_f->cfile.__file, 0);
-  _IO_JUMPS (&new_f->cfile.__file) = &_IO_cookie_jumps;
-  new_f->cfile.__cookie = cookie;
-  new_f->cfile.__io_functions = io_functions;
-
-  _IO_file_init(&new_f->cfile.__file);
-
-  new_f->cfile.__file._IO_file_flags =
-    _IO_mask_flags (&new_f->cfile.__file, read_write,
-		    _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING);
-
-  /* We use a negative number different from -1 for _fileno to mark that
-     this special stream is not associated with a real file, but still has
-     to be treated as such.  */
-  new_f->cfile.__file._fileno = -2;
+  _IO_cookie_init (&new_f->cfile, read_write, cookie, io_functions);
 
   return &new_f->cfile.__file;
 }
diff --git a/libio/libio.h b/libio/libio.h
index c8f93ac0f3..8fdc55a890 100644
--- a/libio/libio.h
+++ b/libio/libio.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,93,94,95,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,93,94,95,97,98,99,2000 Free Software Foundation, Inc.
    This file is part of the GNU IO Library.
    Written by Per Bothner <bothner@cygnus.com>.
 
@@ -346,7 +346,7 @@ typedef __ssize_t __io_write_fn (void *__cookie, __const char *__buf,
    or the end of the file (if W is SEEK_END).
    Set *POS to the new file position.
    Returns zero if successful, nonzero if not.  */
-typedef int __io_seek_fn (void *__cookie, _IO_off_t __pos, int __w);
+typedef int __io_seek_fn (void *__cookie, _IO_off64_t *__pos, int __w);
 
 /* Close COOKIE.  */
 typedef int __io_close_fn (void *__cookie);
@@ -377,6 +377,10 @@ struct _IO_cookie_file
   void *__cookie;
   _IO_cookie_io_functions_t __io_functions;
 };
+
+/* Initialize one of those.  */
+extern void _IO_cookie_init (struct _IO_cookie_file *__cfile, int __read_write,
+			     void *__cookie, _IO_cookie_io_functions_t __fns);
 #endif
 
 
diff --git a/mach/devstream.c b/mach/devstream.c
index b54dcff60d..e3393c0ede 100644
--- a/mach/devstream.c
+++ b/mach/devstream.c
@@ -1,6 +1,6 @@
 /* stdio on a Mach device port.
    Translates \n to \r\n on output, echos and translates \r to \n on input.
-   Copyright (C) 1992, 1993, 1994, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1992,93,94,96,97,2000 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
@@ -24,126 +24,13 @@
 #include <errno.h>
 #include <string.h>
 
-static int
-input (FILE *f)
-{
-  kern_return_t err;
-  char *buffer;
-  size_t to_read;
-  mach_msg_type_number_t nread;
-  char c;
-
-  if (f->__buffer == NULL)
-    {
-      buffer = &c;
-      to_read = 1;
-    }
-  else
-    {
-      buffer = f->__buffer;
-      to_read = f->__bufsize;
-    }
-
-  f->__eof = 0;
-
-  nread = to_read;
-  err = device_read_inband ((device_t) f->__cookie, 0, f->__target,
-			    to_read, buffer, &nread);
-
-  if (err)
-    {
-      f->__error = 1;
-      f->__bufp = f->__get_limit = f->__put_limit = f->__buffer;
-      errno = err;
-      return EOF;
-    }
-
-  /* Echo it back.  */
-  err = device_write_inband ((device_t) f->__cookie, 0, f->__target,
-			     buffer, nread, (int *) &to_read);
-
-  /* Translate LF to CR.  */
-  {
-    char *p;
-    for (p = memchr (buffer, '\r', nread); p;
-	 p = memchr (p + 1, '\r', (buffer + nread) - (p + 1)))
-      *p = '\n';
-  }
-
-  if (f->__buffer == NULL)
-    return (unsigned char) c;
-
-  f->__get_limit = f->__buffer + nread;
-  f->__bufp = f->__buffer;
-  f->__put_limit = f->__buffer + (f->__mode.__write ? f->__bufsize : 0);
-  return (unsigned char) *f->__bufp++;
-}
-
 
-#if 0
-static void
-output (FILE *f, int c)
+static ssize_t
+devstream_write (void *cookie, const char *buffer, size_t n)
 {
-  inline void write_some (const char *p, size_t to_write)
-    {
-      kern_return_t err;
-      int wrote;
-      while (to_write > 0)
-	{
-	  if (err = device_write ((device_t) f->__cookie, 0,
-				  f->__target, (char *)p,
-				  to_write, &wrote))
-	    {
-	      errno = err;
-	      f->__error = 1;
-	      break;
-	    }
-	  p += wrote;
-	  to_write -= wrote;
-	  f->__target += wrote;
-	}
-    }
-
-  if (f->__buffer != NULL)
-    {
-      if (f->__put_limit == f->__buffer)
-	{
-	  /* Prime the stream for writing.  */
-	  f->__put_limit = f->__buffer + f->__bufsize;
-	  f->__bufp = f->__buffer;
-	  if (c != EOF)
-	    {
-	      *f->__bufp++ = (unsigned char) c;
-	      c = EOF;
-	    }
-	}
-
-
-      /* Write out the buffer.  */
-
-      write_some (f->__buffer, f->__bufp - f->__buffer);
-
-      f->__bufp = f->__buffer;
-    }
-
-  if (c != EOF && !ferror (f))
-    {
-      if (f->__linebuf && (unsigned char) c == '\n')
-	{
-	  static const char nl = '\n';
-	  write_some (&nl, 1);
-	}
-      else
-	*f->__bufp++ = (unsigned char) c;
-    }
-}
-#endif
-
+  const device_t dev = (device_t) cookie;
 
-static void
-output (FILE *f, int c)
-{
-  void write_some (const char *p, size_t to_write)
+  int write_some (const char *p, size_t to_write)
     {
       kern_return_t err;
       int wrote;
@@ -155,85 +42,71 @@ output (FILE *f, int c)
 	  if (thiswrite > IO_INBAND_MAX)
 	    thiswrite = IO_INBAND_MAX;
 
-	  if (err = device_write_inband ((device_t) f->__cookie, 0,
-					 f->__target, p, thiswrite, &wrote))
+	  if (err = device_write_inband (dev, 0, 0, p, thiswrite, &wrote))
 	    {
 	      errno = err;
-	      f->__error = 1;
-	      break;
+	      return 0;
 	    }
 	  p += wrote;
 	  to_write -= wrote;
-	  f->__target += wrote;
 	}
+      return 1;
     }
-  void write_crlf (void)
+  int write_crlf (void)
     {
       static const char crlf[] = "\r\n";
-      write_some (crlf, 2);
+      return write_some (crlf, 2);
     }
 
-  if (f->__buffer == NULL)
-    {
-      /* The stream is unbuffered.  */
+  /* Search for newlines (LFs) in the buffer.  */
 
-      if (c == '\n')
-	write_crlf ();
-      else if (c != EOF)
-	{
-	  char cc = (unsigned char) c;
-	  write_some (&cc, 1);
-	}
-
-      return;
-    }
-
-  if (f->__put_limit == f->__buffer)
+  const char *start = buffer, *p;
+  while ((p = memchr (start, '\n', n)) != NULL)
     {
-      /* Prime the stream for writing.  */
-      f->__put_limit = f->__buffer + f->__bufsize;
-      f->__bufp = f->__buffer;
-      if (c != EOF)
-	{
-	  *f->__bufp++ = (unsigned char) c;
-	  c = EOF;
-	}
-    }
-
-  {
-    /* Search for newlines (LFs) in the buffer.  */
+      /* Found one.  Write out through the preceding character,
+	 and then write a CR/LF pair.  */
 
-    char *start = f->__buffer, *p = start;
+      if ((p > start && !write_some (start, p - start))
+	  || !write_crlf ())
+	return (start - buffer) ?: -1;
 
-    while (!ferror (f) && (p = memchr (p, '\n', f->__bufp - start)))
-      {
-	/* Found one.  Replace it with a CR and write out through that CR.  */
+      n -= p + 1 - start;
+      start = p + 1;
+    }
 
-	*p = '\r';
-	write_some (start, p + 1 - start);
+  /* Write the remainder of the buffer.  */
+  if (write_some (start, n))
+    start += n;
+  return (start - buffer) ?: -1;
+}
 
-	/* Change it back to an LF; the next iteration will write it out
-	   first thing.  Start the next searching iteration one char later.  */
+static ssize_t
+devstream_read (void *cookie, char *buffer, size_t to_read)
+{
+  const device_t dev = (device_t) cookie;
 
-	start = p;
-	*p++ = '\n';
-      }
+  kern_return_t err;
+  mach_msg_type_number_t nread = to_read;
 
-    /* Write the remainder of the buffer.  */
+  err = device_read_inband (dev, 0, 0, to_read, buffer, &nread);
+  if (err)
+    {
+      errno = err;
+      return -1;
+    }
 
-    if (!ferror (f))
-      write_some (start, f->__bufp - start);
+  /* Translate CR to LF.  */
+  {
+    char *p;
+    for (p = memchr (buffer, '\r', nread); p;
+	 p = memchr (p + 1, '\r', (buffer + nread) - (p + 1)))
+      *p = '\n';
   }
 
-  f->__bufp = f->__buffer;
+  /* Echo back what we read.  */
+  (void) devstream_write (cookie, buffer, nread);
 
-  if (c != EOF && !ferror (f))
-    {
-      if (f->__linebuf && (unsigned char) c == '\n')
-	write_crlf ();
-      else
-	*f->__bufp++ = (unsigned char) c;
-    }
+  return nread;
 }
 
 static int
@@ -247,6 +120,12 @@ dealloc_ref (void *cookie)
   return 0;
 }
 
+#ifndef USE_IN_LIBIO
+#define cookie_io_functions_t __io_functions
+#define write __write
+#define read __read
+#define close __close
+#endif
 
 FILE *
 mach_open_devstream (mach_port_t dev, const char *mode)
@@ -259,19 +138,15 @@ mach_open_devstream (mach_port_t dev, const char *mode)
       return NULL;
     }
 
-  stream = fopencookie ((void *) dev, mode, __default_io_functions);
+  stream = fopencookie ((void *) dev, mode,
+			(cookie_io_functions_t) { write: devstream_write,
+						  read: devstream_read,
+						  close: dealloc_ref });
   if (stream == NULL)
     {
       mach_port_deallocate (mach_task_self (), dev);
       return NULL;
     }
 
-  stream->__room_funcs.__input = input;
-  stream->__room_funcs.__output = output;
-  stream->__io_funcs.__close = dealloc_ref;
-  stream->__io_funcs.__seek = NULL; /* Cannot seek.  */
-  stream->__io_funcs.__fileno = NULL; /* No corresponding POSIX.1 fd.  */
-  stream->__seen = 1;
-
   return stream;
 }
diff --git a/sysdeps/generic/bits/stdio-lock.h b/sysdeps/generic/bits/stdio-lock.h
new file mode 100644
index 0000000000..39d5b0b9c9
--- /dev/null
+++ b/sysdeps/generic/bits/stdio-lock.h
@@ -0,0 +1,46 @@
+/* Thread package specific definitions of stream lock type.  Stub version.
+   Copyright (C) 2000 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
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_STDIO_LOCK_H
+#define _BITS_STDIO_LOCK_H 1
+
+#include <bits/libc-lock.h>
+
+__libc_lock_define (typedef, _IO_lock_t)
+
+/* We need recursive (counting) mutexes.  */
+#define _IO_lock_initializer STUB_LOSER
+#error libio needs recursive mutexes for _IO_MTSAFE_IO
+
+
+#define _IO_cleanup_region_start(_fct, _fp) \
+     __libc_cleanup_region_start (_fct, _fp)
+#define _IO_cleanup_region_end(_doit) \
+     __libc_cleanup_region_end (_doit)
+#define _IO_lock_init(_name) \
+     __libc_lock_init_recursive (_name)
+#define _IO_lock_fini(_name) \
+     __libc_lock_fini_recursive (_name)
+#define _IO_lock_lock(_name) \
+     __libc_lock_lock (_name)
+#define _IO_lock_unlock(_name) \
+     __libc_lock_unlock (_name)
+
+
+#endif /* bits/stdio-lock.h */