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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 <features.h>
#ifdef __USE_GNU
#include "_stdio.h"
libc_hidden_proto(fclose)
/* NOTE: GLIBC difference!!! -- fcloseall
* According to the info pages, glibc actually fclose()s all open files.
* Apparently, glibc's new version only fflush()s and unbuffers all
* writing streams to cope with unordered destruction of c++ static
* objects.
*/
int fcloseall (void)
{
#ifdef __STDIO_HAS_OPENLIST
int retval = 0;
FILE *f;
__STDIO_OPENLIST_INC_USE;
#ifdef __UCLIBC_MJN3_ONLY__
#warning REMINDER: should probably have a get_head() operation
#endif
__STDIO_THREADLOCK_OPENLIST_ADD;
f = _stdio_openlist;
__STDIO_THREADUNLOCK_OPENLIST_ADD;
while (f) {
#ifdef __UCLIBC_MJN3_ONLY__
#warning REMINDER: should probably have a get_next() operation
#endif
FILE *n = f->__nextopen;
__STDIO_AUTO_THREADLOCK_VAR;
__STDIO_AUTO_THREADLOCK(f);
/* Only call fclose on the stream if it is not already closed. */
if ((f->__modeflags & (__FLAG_READONLY|__FLAG_WRITEONLY))
!= (__FLAG_READONLY|__FLAG_WRITEONLY)
) {
if (fclose(f)) {
retval = EOF;
}
}
__STDIO_AUTO_THREADUNLOCK(f);
f = n;
}
__STDIO_OPENLIST_DEC_USE;
return retval;
#else
#warning Always fails in this configuration because no open file list.
return EOF;
#endif
}
#endif
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