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Diffstat (limited to 'lib/libc/stdio/fileno.c')
-rw-r--r--lib/libc/stdio/fileno.c20
1 files changed, 6 insertions, 14 deletions
diff --git a/lib/libc/stdio/fileno.c b/lib/libc/stdio/fileno.c
index e27b56de..4fa47eb4 100644
--- a/lib/libc/stdio/fileno.c
+++ b/lib/libc/stdio/fileno.c
@@ -1,20 +1,12 @@
-#include <__stdio.h> // for __FILE
-#include <atomic.h> // for LIBC_LOCK, LIBC_UNLOCK
-#include <errno.h> // for EBADF, errno
-#include <stdio.h> // for FILE, fileno
+#include <stdio.h>
int fileno(FILE *stream)
{
- int fd;
+ int r;
- LIBC_LOCK(__FILE(stream)->lock);
- fd = __FILE(stream)->fd;
- LIBC_UNLOCK(__FILE(stream)->lock);
+ flockfile(stream);
+ r = fileno_unlocked(stream);
+ funlockfile(stream);
- if (fd < 0) {
- errno = EBADF;
- return -1;
- }
-
- return fd;
+ return r;
}