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/* Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org>
*
* GNU Library General Public License (LGPL) version 2 or later.
*
* Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details.
*/
#include "_stdio.h"
libc_hidden_proto(fwrite_unlocked)
#ifdef __DO_UNLOCKED
size_t fwrite_unlocked(const void * __restrict ptr, size_t size,
size_t nmemb, register FILE * __restrict stream)
{
__STDIO_STREAM_VALIDATE(stream);
/* Note: If nmbem * size > SIZE_MAX then there is an application
* bug since no array can be larger than SIZE_MAX in size. */
if ((__STDIO_STREAM_IS_NARROW_WRITING(stream)
|| !__STDIO_STREAM_TRANS_TO_WRITE(stream, __FLAG_NARROW))
&& size && nmemb
) {
if (nmemb <= (SIZE_MAX / size)) {
return __stdio_fwrite((const unsigned char *) ptr,
size*nmemb, stream) / size;
}
__STDIO_STREAM_SET_ERROR(stream);
__set_errno(EINVAL);
}
return 0;
}
libc_hidden_def(fwrite_unlocked)
#ifndef __UCLIBC_HAS_THREADS__
libc_hidden_proto(fwrite)
strong_alias(fwrite_unlocked,fwrite)
libc_hidden_def(fwrite)
#endif
#elif defined __UCLIBC_HAS_THREADS__
libc_hidden_proto(fwrite)
size_t fwrite(const void * __restrict ptr, size_t size,
size_t nmemb, register FILE * __restrict stream)
{
size_t retval;
__STDIO_AUTO_THREADLOCK_VAR;
__STDIO_AUTO_THREADLOCK(stream);
retval = fwrite_unlocked(ptr, size, nmemb, stream);
__STDIO_AUTO_THREADUNLOCK(stream);
return retval;
}
libc_hidden_def(fwrite)
#endif
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