AppPkg/Applications/Python/Python-2.7.10: Initial Checkin part 1/5.

The Include, Parser, and Python directories from the cPython 2.7.10 distribution.
These files are unchanged and set the baseline for subsequent commits.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Daryl McDaniel <edk2-lists@mc2research.org>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18737 6f19259b-4bc3-4df7-8a09-765794883524

AppPkg/Applications/Python/Python-2.7.10/Python/getopt.c

@@ -0,0 +1,136 @@
+/*---------------------------------------------------------------------------*
+ * <RCS keywords>
+ *
+ * C++ Library
+ *
+ * Copyright 1992-1994, David Gottner
+ *
+ *                    All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice, this permission notice and
+ * the following disclaimer notice appear unmodified in all copies.
+ *
+ * I DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL I
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+ * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Nevertheless, I would like to know about bugs in this library or
+ * suggestions for improvment.  Send bug reports and feedback to
+ * davegottner@delphi.com.
+ *---------------------------------------------------------------------------*/
+
+/* Modified to support --help and --version, as well as /? on Windows
+ * by Georg Brandl. */
+
+#include <stdio.h>
+#include <string.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int _PyOS_opterr = 1;          /* generate error messages */
+int _PyOS_optind = 1;          /* index into argv array   */
+char *_PyOS_optarg = NULL;     /* optional argument       */
+static char *opt_ptr = "";
+
+void _PyOS_ResetGetOpt(void)
+{
+    _PyOS_opterr = 1;
+    _PyOS_optind = 1;
+    _PyOS_optarg = NULL;
+    opt_ptr = "";
+}
+
+int _PyOS_GetOpt(int argc, char **argv, char *optstring)
+{
+    char *ptr;
+    int option;
+
+    if (*opt_ptr == '\0') {
+
+        if (_PyOS_optind >= argc)
+            return -1;
+#ifdef MS_WINDOWS
+        else if (strcmp(argv[_PyOS_optind], "/?") == 0) {
+            ++_PyOS_optind;
+            return 'h';
+        }
+#endif
+
+        else if (argv[_PyOS_optind][0] != '-' ||
+                 argv[_PyOS_optind][1] == '\0' /* lone dash */ )
+            return -1;
+
+        else if (strcmp(argv[_PyOS_optind], "--") == 0) {
+            ++_PyOS_optind;
+            return -1;
+        }
+
+        else if (strcmp(argv[_PyOS_optind], "--help") == 0) {
+            ++_PyOS_optind;
+            return 'h';
+        }
+
+        else if (strcmp(argv[_PyOS_optind], "--version") == 0) {
+            ++_PyOS_optind;
+            return 'V';
+        }
+
+
+        opt_ptr = &argv[_PyOS_optind++][1];
+    }
+
+    if ((option = *opt_ptr++) == '\0')
+        return -1;
+
+    if (option == 'J') {
+        if (_PyOS_opterr)
+            fprintf(stderr, "-J is reserved for Jython\n");
+        return '_';
+    }
+
+    if (option == 'X') {
+        if (_PyOS_opterr)
+            fprintf(stderr,
+                "-X is reserved for implementation-specific arguments\n");
+        return '_';
+    }
+
+    if ((ptr = strchr(optstring, option)) == NULL) {
+        if (_PyOS_opterr)
+            fprintf(stderr, "Unknown option: -%c\n", option);
+
+        return '_';
+    }
+
+    if (*(ptr + 1) == ':') {
+        if (*opt_ptr != '\0') {
+            _PyOS_optarg  = opt_ptr;
+            opt_ptr = "";
+        }
+
+        else {
+            if (_PyOS_optind >= argc) {
+                if (_PyOS_opterr)
+                    fprintf(stderr,
+                        "Argument expected for the -%c option\n", option);
+                return '_';
+            }
+
+            _PyOS_optarg = argv[_PyOS_optind++];
+        }
+    }
+
+    return option;
+}
+
+#ifdef __cplusplus
+}
+#endif
+