1 files changed, 173 insertions, 0 deletions
diff --git a/source/common/getopt.c b/source/common/getopt.c
new file mode 100644
index 0000000000000..b253e8a01d6a9
--- /dev/null
+++ b/source/common/getopt.c
@@ -0,0 +1,173 @@
+
+/******************************************************************************
+ *
+ * Module Name: getopt
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+#include <stdio.h>
+#include <string.h>
+#include "acpi.h"
+#include "accommon.h"
+#include "acapps.h"
+
+#define ERR(szz,czz) if(AcpiGbl_Opterr){fprintf(stderr,"%s%s%c\n",argv[0],szz,czz);}
+
+
+int   AcpiGbl_Opterr = 1;
+int   AcpiGbl_Optind = 1;
+char  *AcpiGbl_Optarg;
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetopt
+ *
+ * PARAMETERS:  argc, argv          - from main
+ *              opts                - options info list
+ *
+ * RETURN:      Option character or EOF
+ *
+ * DESCRIPTION: Get the next option
+ *
+ ******************************************************************************/
+
+int
+AcpiGetopt(
+    int                     argc,
+    char                    **argv,
+    char                    *opts)
+{
+    static int              CurrentCharPtr = 1;
+    int                     CurrentChar;
+    char                    *OptsPtr;
+
+
+    if (CurrentCharPtr == 1)
+    {
+        if (AcpiGbl_Optind >= argc ||
+            argv[AcpiGbl_Optind][0] != '-' ||
+            argv[AcpiGbl_Optind][1] == '\0')
+        {
+            return(EOF);
+        }
+        else if (strcmp (argv[AcpiGbl_Optind], "--") == 0)
+        {
+            AcpiGbl_Optind++;
+            return(EOF);
+        }
+    }
+
+    /* Get the option */
+
+    CurrentChar = argv[AcpiGbl_Optind][CurrentCharPtr];
+
+    /* Make sure that the option is legal */
+
+    if (CurrentChar == ':' ||
+       (OptsPtr = strchr (opts, CurrentChar)) == NULL)
+    {
+        ERR (": illegal option -- ", CurrentChar);
+
+        if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0')
+        {
+            AcpiGbl_Optind++;
+            CurrentCharPtr = 1;
+        }
+
+        return ('?');
+    }
+
+    /* Option requires an argument? */
+
+    if (*++OptsPtr == ':')
+    {
+        if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0')
+        {
+            AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][(int) (CurrentCharPtr+1)];
+        }
+        else if (++AcpiGbl_Optind >= argc)
+        {
+            ERR (": option requires an argument -- ", CurrentChar);
+
+            CurrentCharPtr = 1;
+            return ('?');
+        }
+        else
+        {
+            AcpiGbl_Optarg = argv[AcpiGbl_Optind++];
+        }
+
+        CurrentCharPtr = 1;
+    }
+
+    /* Option has optional single-char arguments? */
+
+    else if (*OptsPtr == '^')
+    {
+        if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0')
+        {
+            AcpiGbl_Optarg = &argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)];
+        }
+        else
+        {
+            AcpiGbl_Optarg = "^";
+        }
+
+        AcpiGbl_Optind++;
+        CurrentCharPtr = 1;
+    }
+
+    /* Option with no arguments */
+
+    else
+    {
+        if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0')
+        {
+            CurrentCharPtr = 1;
+            AcpiGbl_Optind++;
+        }
+
+        AcpiGbl_Optarg = NULL;
+    }
+
+    return (CurrentChar);
+}