Standard Libraries for EDK II.

[mirror_edk2.git] / StdLib / LibC / Stdio / fileno.c

diff --git a/StdLib/LibC/Stdio/fileno.c b/StdLib/LibC/Stdio/fileno.c
new file mode 100644 (file)
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+++ b/StdLib/LibC/Stdio/fileno.c
@@ -0,0 +1,71 @@
+/*  $NetBSD: fileno.c,v 1.12 2004/05/09 17:27:53 kleink Exp $ */\r
+\r
+/*-\r
+ * Copyright (c) 1990, 1993\r
+ *  The Regents of the University of California.  All rights reserved.\r
+ *\r
+ * This code is derived from software contributed to Berkeley by\r
+ * Chris Torek.\r
+ *\r
+ * Redistribution and use in source and binary forms, with or without\r
+ * modification, are permitted provided that the following conditions\r
+ * are met:\r
+ * 1. Redistributions of source code must retain the above copyright\r
+ *    notice, this list of conditions and the following disclaimer.\r
+ * 2. Redistributions in binary form must reproduce the above copyright\r
+ *    notice, this list of conditions and the following disclaimer in the\r
+ *    documentation and/or other materials provided with the distribution.\r
+ * 3. Neither the name of the University nor the names of its contributors\r
+ *    may be used to endorse or promote products derived from this software\r
+ *    without specific prior written permission.\r
+ *\r
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r
+ * SUCH DAMAGE.\r
+ */\r
+#include  <LibConfig.h>\r
+#include <sys/EfiCdefs.h>\r
+#if defined(LIBC_SCCS) && !defined(lint)\r
+#if 0\r
+static char sccsid[] = "@(#)fileno.c  8.1 (Berkeley) 6/4/93";\r
+#else\r
+__RCSID("$NetBSD: fileno.c,v 1.12 2004/05/09 17:27:53 kleink Exp $");\r
+#endif\r
+#endif /* LIBC_SCCS and not lint */\r
+\r
+#include "namespace.h"\r
+#include <assert.h>\r
+#include <errno.h>\r
+#include <stdio.h>\r
+#include "reentrant.h"\r
+#include "local.h"\r
+\r
+/*\r
+ * A subroutine version of the macro fileno.\r
+ */\r
+#undef fileno\r
+int _fileno __P((FILE *));  /* XXX */\r
+\r
+__weak_alias(fileno,_fileno)\r
+\r
+int\r
+_fileno(fp)\r
+  FILE *fp;\r
+{\r
+  int r;\r
+\r
+  _DIAGASSERT(fp != NULL);\r
+\r
+  FLOCKFILE(fp);\r
+  r = __sfileno(fp);\r
+  FUNLOCKFILE(fp);\r
+  return r;\r
+}\r