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66f8fa9bec
* malloc/malloc.c (ptmalloc_init): Also initialize __libc_pagesize if no threads are used. * libio/iofwrite.c: Add weak alias for _unlocked function if not _IO_MTSAFE_IO. * libio/iofread.c: Likewise. * libio/iofgets.c: Likewise. * libio/iofputs.c: Likewise. * sysdeps/generic/bits/libc-lock.h (__libc_cleanup_end): New definition.
55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/* Copyright (C) 1993, 1995, 1997, 1998, 1999 Free Software Foundation, Inc.
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This file is part of the GNU IO Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2, or (at
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your option) any later version.
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This library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this library; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA.
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As a special exception, if you link this library with files
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compiled with a GNU compiler to produce an executable, this does
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not cause the resulting executable to be covered by the GNU General
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Public License. This exception does not however invalidate any
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other reasons why the executable file might be covered by the GNU
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General Public License. */
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#include "libioP.h"
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_IO_size_t
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_IO_fread (buf, size, count, fp)
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void *buf;
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_IO_size_t size;
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_IO_size_t count;
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_IO_FILE *fp;
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{
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_IO_size_t bytes_requested = size * count;
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_IO_size_t bytes_read;
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CHECK_FILE (fp, 0);
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if (bytes_requested == 0)
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return 0;
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_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
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_IO_flockfile (fp);
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bytes_read = _IO_sgetn (fp, (char *) buf, bytes_requested);
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_IO_funlockfile (fp);
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_IO_cleanup_region_end (0);
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return bytes_requested == bytes_read ? count : bytes_read / size;
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}
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#ifdef weak_alias
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weak_alias (_IO_fread, fread)
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# ifndef _IO_MTSAFE_IO
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weak_alias (_IO_fread, fread_unlocked)
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# endif
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#endif
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