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Diffstat (limited to 'REORG.TODO/libio/iofwrite.c')
-rw-r--r-- | REORG.TODO/libio/iofwrite.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/REORG.TODO/libio/iofwrite.c b/REORG.TODO/libio/iofwrite.c new file mode 100644 index 0000000000..c89dd9091f --- /dev/null +++ b/REORG.TODO/libio/iofwrite.c @@ -0,0 +1,60 @@ +/* Copyright (C) 1993-2017 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, see + <http://www.gnu.org/licenses/>. + + As a special exception, if you link the code in this file with + files compiled with a GNU compiler to produce an executable, + that does not cause the resulting executable to be covered by + the GNU Lesser General Public License. This exception does not + however invalidate any other reasons why the executable file + might be covered by the GNU Lesser General Public License. + This exception applies to code released by its copyright holders + in files containing the exception. */ + +#include "libioP.h" + +_IO_size_t +_IO_fwrite (const void *buf, _IO_size_t size, _IO_size_t count, _IO_FILE *fp) +{ + _IO_size_t request = size * count; + _IO_size_t written = 0; + CHECK_FILE (fp, 0); + if (request == 0) + return 0; + _IO_acquire_lock (fp); + if (_IO_vtable_offset (fp) != 0 || _IO_fwide (fp, -1) == -1) + written = _IO_sputn (fp, (const char *) buf, request); + _IO_release_lock (fp); + /* We have written all of the input in case the return value indicates + this or EOF is returned. The latter is a special case where we + simply did not manage to flush the buffer. But the data is in the + buffer and therefore written as far as fwrite is concerned. */ + if (written == request || written == EOF) + return count; + else + return written / size; +} +libc_hidden_def (_IO_fwrite) + +#ifdef weak_alias +# include <stdio.h> +weak_alias (_IO_fwrite, fwrite) +libc_hidden_weak (fwrite) +# ifndef _IO_MTSAFE_IO +weak_alias (_IO_fwrite, fwrite_unlocked) +libc_hidden_weak (fwrite_unlocked) +# endif +#endif |