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Fix fflush(NULL) flushing input streams.

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This commit is contained in:
Jonas 'Sortie' Termansen 2015-11-20 00:25:38 +01:00
parent 14a47ea15e
commit 0100b61855
1 changed files with 7 additions and 2 deletions
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9
libc/stdio/fflush.cpp
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@ -1,6 +1,6 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013.
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2015.
This file is part of the Sortix C Library.
@ -32,7 +32,12 @@ extern "C" int fflush(FILE* fp)
int result = 0;
pthread_mutex_lock(&__first_file_lock);
for ( fp = __first_file; fp; fp = fp->next )
result |= fflush(fp);
{
flockfile(fp);
if ( fp->flags & _FILE_LAST_WRITE )
result |= fflush_unlocked(fp);
funlockfile(fp);
}
pthread_mutex_unlock(&__first_file_lock);
return result;
}