Standard Libraries for EDK II.

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

diff --git a/StdLib/LibC/Stdio/puts.c b/StdLib/LibC/Stdio/puts.c
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+++ b/StdLib/LibC/Stdio/puts.c
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+/** @file\r
+    Implementation of puts as declared in <stdio.h>.\r
+\r
+    Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>\r
+    This program and the accompanying materials are licensed and made available\r
+    under the terms and conditions of the BSD License that accompanies this\r
+    distribution.  The full text of the license may be found at\r
+    http://opensource.org/licenses/bsd-license.php.\r
+\r
+    THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+    WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\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
+      - Redistributions of source code must retain the above copyright\r
+        notice, this list of conditions and the following disclaimer.\r
+      - 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
+      - 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 COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"\r
+    AND 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 COPYRIGHT HOLDERS OR CONTRIBUTORS BE\r
+    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
+    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
+    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
+    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
+    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
+    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
+    POSSIBILITY OF SUCH DAMAGE.\r
+\r
+    NetBSD: puts.c,v 1.15 2006/03/17 02:25:23 chris Exp\r
+    puts.c  8.1 (Berkeley) 6/4/93\r
+**/\r
+#include  <LibConfig.h>\r
+\r
+#include <assert.h>\r
+#include <errno.h>\r
+#include <stdio.h>\r
+#include <string.h>\r
+#include "fvwrite.h"\r
+#include "reentrant.h"\r
+#include "local.h"\r
+\r
+/*\r
+ * Write the given string to stdout, appending a newline.\r
+ */\r
+int\r
+puts(char const *s)\r
+{\r
+  size_t c;\r
+  struct __suio uio;\r
+  struct __siov iov[2];\r
+  int r;\r
+\r
+  _DIAGASSERT(s != NULL);\r
+\r
+  if (s == NULL)\r
+    s = "(null)";\r
+\r
+  c = strlen(s);\r
+\r
+  iov[0].iov_base = __UNCONST(s);\r
+  iov[0].iov_len = c;\r
+  iov[1].iov_base = __UNCONST("\n");\r
+  iov[1].iov_len = 1;\r
+  uio.uio_resid = (int)(c + 1);\r
+  uio.uio_iov = &iov[0];\r
+  uio.uio_iovcnt = 2;\r
+  FLOCKFILE(stdout);\r
+  r = __sfvwrite(stdout, &uio);\r
+  FUNLOCKFILE(stdout);\r
+  return (r ? EOF : '\n');\r
+}\r