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authorRoland McGrath <roland@gnu.org>2002-04-30 22:00:59 +0000
committerRoland McGrath <roland@gnu.org>2002-04-30 22:00:59 +0000
commita8c017767721fec8fd4ee53c1937e31e35dfac08 (patch)
tree11c43b6158f98ebcce0ab0b5555faa3a35d43187 /stdio/obstream.c
parent8543f93de2a52f1e314051aa20f7394a7c13366f (diff)
2002-04-30 Roland McGrath <roland@frob.com>
Removed old GNU stdio implementation; GNU libio is now the only option. * configure.in: Removed --enable-libio option and @stdio@ subst var. Define USE_IN_LIBIO unconditionally. * configure: Regenerated. * Makeconfig (stdio): Set to libio by default. * config.make.in (stdio): Variable removed. * sysdeps/unix/sysv/linux/configure.in: Don't set $stdio. * sysdeps/unix/sysv/linux/configure: Regenerated. * sysdeps/mach/hurd/configure.in: Don't test $stdio. * sysdeps/mach/hurd/configure: Regenerated. * stdio/.cvsignore: File removed. * stdio/Makefile: File removed. * stdio/Versions: File removed. * stdio/__fbufsize.c: File removed. * stdio/__flbf.c: File removed. * stdio/__fpending.c: File removed. * stdio/__fpurge.c: File removed. * stdio/__freadable.c: File removed. * stdio/__freading.c: File removed. * stdio/__fsetlocking.c: File removed. * stdio/__fwritable.c: File removed. * stdio/__fwriting.c: File removed. * stdio/clearerr.c: File removed. * stdio/fclose.c: File removed. * stdio/fcloseall.c: File removed. * stdio/feof.c: File removed. * stdio/ferror.c: File removed. * stdio/fflush.c: File removed. * stdio/fgetc.c: File removed. * stdio/fgetpos.c: File removed. * stdio/fgets.c: File removed. * stdio/fileno.c: File removed. * stdio/fmemopen.c: File removed. * stdio/fopen.c: File removed. * stdio/fopncook.c: File removed. * stdio/fputc.c: File removed. * stdio/fputs.c: File removed. * stdio/fread.c: File removed. * stdio/freopen.c: File removed. * stdio/fseek.c: File removed. * stdio/fsetpos.c: File removed. * stdio/ftell.c: File removed. * stdio/fwrite.c: File removed. * stdio/getc.c: File removed. * stdio/getchar.c: File removed. * stdio/getdelim.c: File removed. * stdio/gets.c: File removed. * stdio/glue.c: File removed. * stdio/internals.c: File removed. * stdio/linewrap.c: File removed. * stdio/linewrap.h: File removed. * stdio/memstream.c: File removed. * stdio/newstream.c: File removed. * stdio/obstream.c: File removed. * stdio/putc.c: File removed. * stdio/putchar.c: File removed. * stdio/puts.c: File removed. * stdio/rewind.c: File removed. * stdio/setbuf.c: File removed. * stdio/setbuffer.c: File removed. * stdio/setlinebuf.c: File removed. * stdio/setvbuf.c: File removed. * stdio/stdio.h: File removed. * stdio/ungetc.c: File removed. * stdio/vasprintf.c: File removed. * stdio/vscanf.c: File removed. * stdio/vsnprintf.c: File removed. * stdio/vsprintf.c: File removed. * stdio/vsscanf.c: File removed. * sysdeps/generic/defs.c: File removed. * sysdeps/generic/fdopen.c: File removed. * sysdeps/generic/pipestream.c: File removed. * sysdeps/generic/stdio_init.c: File removed. * sysdeps/generic/sysd-stdio.c: File removed. * sysdeps/generic/vdprintf.c: File removed. * sysdeps/mach/hurd/defs.c: File removed. * sysdeps/mach/hurd/fdopen.c: File removed. * sysdeps/mach/hurd/pipestream.c: File removed. * sysdeps/mach/hurd/stdio_init.c: File removed. * sysdeps/mach/hurd/sysd-stdio.c: File removed. * sysdeps/mach/hurd/vdprintf.c: File removed. * sysdeps/posix/defs.c: File removed. * sysdeps/posix/fdopen.c: File removed. * sysdeps/posix/pipestream.c: File removed. * sysdeps/posix/stdio_init.c: File removed. * sysdeps/posix/vdprintf.c: File removed. * sysdeps/unix/pipestream.c: File removed. * sysdeps/unix/sysv/sysd-stdio.c: File removed. * sysdeps/unix/sysv/sco3.2.4/pipestream.c: File removed. * sysdeps/unix/sysv/sysv4/pipestream.c: File removed.
Diffstat (limited to 'stdio/obstream.c')
-rw-r--r--stdio/obstream.c185
1 files changed, 0 insertions, 185 deletions
diff --git a/stdio/obstream.c b/stdio/obstream.c
deleted file mode 100644
index 06118f5416..0000000000
--- a/stdio/obstream.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/* Copyright (C) 1992, 1996, 1997 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 Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <stdio.h>
-#include <obstack.h>
-#include <stdarg.h>
-#include <string.h>
-
-/* Output-room function for obstack streams. */
-
-static void
-grow (FILE *stream, int c)
-{
- struct obstack *const obstack = (struct obstack *) stream->__cookie;
-
- /* Move the end of the object back to include only the portion
- of the buffer which the user has already written into. */
- obstack_blank_fast (obstack, - (stream->__put_limit - stream->__bufp));
-
- if ((size_t) stream->__target > obstack_object_size (obstack))
- {
- /* Our target (where the buffer maps to) is always zero except when
- the user just did a SEEK_END fseek. If he sought within the
- buffer, we need do nothing and will zero the target below. If he
- sought past the end of the object, grow and zero-fill the object
- up to the target address. */
-
- obstack_blank (obstack,
- stream->__target - obstack_object_size (obstack));
- /* fseek has just flushed us, so the put limit points
- to the end of the written data. */
- bzero (stream->__put_limit,
- stream->__target - stream->__bufsize);
- }
-
- if (c != EOF)
- obstack_1grow (obstack, (unsigned char) c);
-
- /* The stream buffer always maps exactly to the object on the top
- of the obstack. The start of the buffer is the start of the object.
- The put limit points just past the end of the object. On fflush, the
- obstack is sync'd so the end of the object points just past the last
- character written to the stream. */
-
- stream->__target = stream->__offset = 0;
- stream->__buffer = obstack_base (obstack);
- stream->__bufsize = obstack_room (obstack);
- stream->__bufp = obstack_next_free (obstack);
- stream->__get_limit = stream->__bufp;
-
- if (c == EOF)
- /* This is fflush. Make the stream buffer, the object,
- and the characters actually written all match. */
- stream->__put_limit = stream->__get_limit;
- else
- {
- /* Extend the buffer (and the object) to include
- the rest of the obstack chunk (which is uninitialized).
- Data past bufp is undefined. */
- stream->__put_limit = stream->__buffer + stream->__bufsize;
- obstack_blank_fast (obstack, stream->__put_limit - stream->__bufp);
- }
-}
-
-/* Seek function for obstack streams.
- There is no external state to munge. */
-
-static int
-seek (void *cookie, fpos_t *pos, int whence)
-{
- switch (whence)
- {
- case SEEK_SET:
- case SEEK_CUR:
- return 0;
-
- case SEEK_END:
- /* Return the position relative to the end of the object.
- fseek has just flushed us, so the obstack is consistent. */
- *pos += obstack_object_size ((struct obstack *) cookie);
- return 0;
-
- default:
- __libc_fatal ("obstream::seek called with bogus WHENCE\n");
- return -1;
- }
-}
-
-/* Input room function for obstack streams.
- Only what has been written to the stream can be read back. */
-
-static int
-input (FILE *stream)
-{
- /* Re-sync with the obstack, growing the object if necessary. */
- grow (stream, EOF);
-
- if (stream->__bufp < stream->__get_limit)
- return (unsigned char) *stream->__bufp++;
-
- stream->__eof = 1;
- return EOF;
-}
-
-/* Initialize STREAM to talk to OBSTACK. */
-
-static void
-init_obstream (FILE *stream, struct obstack *obstack)
-{
- stream->__mode.__write = 1;
- stream->__mode.__read = 1;
-
- /* Input can read only what has been written. */
- stream->__room_funcs.__input = input;
-
- /* Do nothing for close. */
- stream->__io_funcs.__close = NULL;
-
- /* When the buffer is full, grow the obstack. */
- stream->__room_funcs.__output = grow;
-
- /* Seek within the object, and extend it. */
- stream->__io_funcs.__seek = seek;
- stream->__target = stream->__offset = 0;
-
- stream->__seen = 1;
-
- /* Don't deallocate that buffer! */
- stream->__userbuf = 1;
-
- /* We don't have to initialize the buffer.
- The first read attempt will call grow, which will do all the work. */
-}
-
-FILE *
-open_obstack_stream (obstack)
- struct obstack *obstack;
-{
- register FILE *stream;
-
- stream = __newstream ();
- if (stream == NULL)
- return NULL;
-
- init_obstream (stream, obstack);
- return stream;
-}
-
-int
-obstack_vprintf (obstack, format, args)
- struct obstack *obstack;
- const char *format;
- va_list args;
-{
- FILE f;
- bzero (&f, sizeof (f));
- init_obstream (&f, obstack);
- return vfprintf (&f, format, args);
-}
-
-int
-obstack_printf (struct obstack *obstack, const char *format, ...)
-{
- int result;
- va_list ap;
- va_start (ap, format);
- result = obstack_vprintf (obstack, format, ap);
- va_end (ap);
- return result;
-}