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[mirror_edk2.git] / StdLib / PosixLib / Err / warn_err.c

diff --git a/StdLib/PosixLib/Err/warn_err.c b/StdLib/PosixLib/Err/warn_err.c
new file mode 100644 (file)
index 0000000..b69a417
--- /dev/null
+++ b/StdLib/PosixLib/Err/warn_err.c
@@ -0,0 +1,99 @@
+/** @file\r
+  Implement the warning and error output messages.\r
+\r
+  Copyright (c) 2011, Intel Corporation\r
+  All rights reserved. This program and the accompanying materials\r
+  are licensed and made available under the terms and conditions of the BSD License\r
+  which accompanies this 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) 1994 Michael L. Hitch\r
+ * All rights reserved.\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. All advertising materials mentioning features or use of this software\r
+ *    must display the following acknowledgement:\r
+ *      This product includes software developed by Michael L. Hitch.\r
+ * 4. The name of the author may not be used to endorse or promote products\r
+ *    derived from this software without specific prior written permission\r
+ *\r
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\r
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES\r
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\r
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,\r
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\r
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\r
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
+ **/\r
+#include  <LibConfig.h>\r
+\r
+#include <stdarg.h>\r
+#include <stdio.h>\r
+#include <errno.h>\r
+#include <string.h>\r
+#include <stdlib.h>\r
+\r
+static void\r
+_Vdomessage(int doerrno, const char *fmt, va_list args)\r
+{\r
+  fprintf(stderr, "%s: ", getprogname());\r
+  if (fmt) {\r
+    vfprintf(stderr, fmt, args);\r
+    fprintf(stderr, ": ");\r
+  }\r
+  if (doerrno && errno < EMAXERRORVAL) {\r
+    fprintf(stderr, "%s", strerror(errno));\r
+  }\r
+  fprintf(stderr, "\n");\r
+}\r
+\r
+void\r
+err(int eval, const char *fmt, ...)\r
+{\r
+  va_list ap;\r
+  va_start(ap, fmt);\r
+  _Vdomessage(1, fmt, ap);\r
+  va_end(ap);\r
+  exit(eval);\r
+}\r
+\r
+void\r
+errx(int eval, const char *fmt, ...)\r
+{\r
+  va_list ap;\r
+  va_start(ap, fmt);\r
+  _Vdomessage(0, fmt, ap);\r
+  va_end(ap);\r
+  exit(eval);\r
+}\r
+\r
+void\r
+warn(const char *fmt, ...)\r
+{\r
+  va_list ap;\r
+  va_start(ap, fmt);\r
+  _Vdomessage(1, fmt, ap);\r
+  va_end(ap);\r
+}\r
+\r
+void\r
+warnx(const char *fmt, ...)\r
+{\r
+  va_list ap;\r
+  va_start(ap, fmt);\r
+  _Vdomessage(0, fmt, ap);\r
+  va_end(ap);\r
+}\r