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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/fread.c
parent8543f93de2a52f1e314051aa20f7394a7c13366f (diff)
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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/fread.c')
-rw-r--r--stdio/fread.c135
1 files changed, 0 insertions, 135 deletions
diff --git a/stdio/fread.c b/stdio/fread.c
deleted file mode 100644
index 528c567..0000000
--- a/stdio/fread.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/* Copyright (C) 1991, 92, 95, 96, 97, 98 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 <errno.h>
-#include <stdio.h>
-#include <string.h>
-
-
-#define default_func __default_room_functions.__input
-
-/* Read NMEMB chunks of SIZE bytes each from STREAM into P. */
-size_t
-fread (p, size, nmemb, stream)
- void *p;
- size_t size;
- size_t nmemb;
- register FILE *stream;
-{
- register char *ptr = (char *) p;
- register size_t to_read = size * nmemb;
- size_t bytes = to_read;
-
- if (!__validfp (stream) || !stream->__mode.__read)
- {
- __set_errno (EINVAL);
- return 0;
- }
- if (feof (stream) || ferror (stream))
- return 0;
- if (p == NULL || to_read == 0)
- return 0;
-
- if (!stream->__seen || stream->__buffer == NULL || stream->__pushed_back)
- {
- /* This stream has never been seen before, or it has a character
- pushed back. Call __fillbf to deal with those cases. Life will
- be simpler after this call. */
- int c = __fillbf (stream);
- if (c == EOF)
- return 0;
- *ptr++ = c;
- if (--to_read == 0)
- return 1;
- }
-
- read_from_buffer:;
- if (stream->__bufp < stream->__get_limit)
- {
- /* First off, empty out the buffer. */
- register size_t copy = stream->__get_limit - stream->__bufp;
- if (copy > to_read)
- copy = to_read;
- to_read -= copy;
- if (copy > 20)
- memcpy((void *) ptr, (void *) stream->__bufp, copy);
- else
- {
- register size_t i;
- for (i = 0; i < copy; ++i)
- ptr[i] = stream->__bufp[i];
- }
- stream->__bufp += copy;
- if (to_read == 0)
- return nmemb;
- ptr += copy;
- }
-
- /* Reading directly into the user's buffer doesn't help when
- using a user-specified input buffer filling/expanding function,
- so we don't do it in that case. */
- if (to_read >= stream->__bufsize &&
- stream->__room_funcs.__input == default_func &&
- stream->__offset == stream->__target)
- {
- /* Read directly into the user's buffer. */
- if (stream->__io_funcs.__read != NULL)
- while (to_read > 0)
- {
- register int count;
- count = (*stream->__io_funcs.__read) (stream->__cookie,
- ptr, to_read);
- if (count > 0)
- {
- to_read -= count;
- if (stream->__offset != -1)
- {
- stream->__offset += count;
- stream->__target += count;
- }
- ptr += count;
- }
- else if (count == 0)
- {
- stream->__eof = 1;
- break;
- }
- else
- {
- stream->__error = 1;
- break;
- }
- }
- else
- stream->__eof = 1;
- }
- else
- {
- int c = __fillbf (stream);
- if (c == EOF)
- return (bytes - to_read) / size;
- *ptr++ = (char) c;
- --to_read;
- if (to_read > 0)
- goto read_from_buffer;
- }
-
- return (bytes - to_read) / size;
-}
-
-weak_alias (fread, fread_unlocked)