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-rw-r--r--libio/putc.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/libio/putc.c b/libio/putc.c
index 675fe5eedf..23595ab7b5 100644
--- a/libio/putc.c
+++ b/libio/putc.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1995, 1996 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
@@ -22,9 +22,20 @@ Cambridge, MA 02139, USA. */
#undef putc
int
-putc (c, stream)
+putc (c, fp)
int c;
- _IO_FILE *stream;
+ _IO_FILE *fp;
{
- return _IO_putc (c, stream);
+ int result;
+ CHECK_FILE (fp, EOF);
+ _IO_flockfile (fp);
+ result = _IO_putc_unlocked (c, fp);
+ _IO_funlockfile (fp);
+ return result;
}
+
+#ifdef _IO_MTSAFE_IO
+# undef putc_locked
+
+weak_alias (putc_locked, putc)
+#endif