fix windows trace-malloc build. this file was removed in config/os2, needed for command line utility

tools/trace-malloc/getopt.c

@@ -0,0 +1,140 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: NPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is 
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the NPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the NPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+/*
+ * Copyright (c) 1987 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that: (1) source distributions retain this entire copyright
+ * notice and comment, and (2) distributions including binaries display
+ * the following acknowledgement:  ``This product includes software
+ * developed by the University of California, Berkeley and its contributors''
+ * in the documentation or other materials provided with the distribution
+ * and in all advertising materials mentioning features or use of this
+ * software. Neither the name of the University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getopt.c    4.12 (Berkeley) 6/1/90";
+#endif /* LIBC_SCCS and not lint */
+
+#include <stdio.h>
+#include <string.h>
+#define index strchr
+#define rindex strrchr
+
+/*
+ * get option letter from argument vector
+ */
+int     opterr = 1,             /* if error message should be printed */
+	optind = 1,             /* index into parent argv vector */
+	optopt;                 /* character checked for validity */
+char    *optarg;                /* argument associated with option */
+
+#define BADCH   (int)'?'
+#define EMSG    ""
+
+getopt(int nargc, char **nargv, char *ostr)
+{
+	static char *place = EMSG;              /* option letter processing */
+	register char *oli;                     /* option letter list index */
+	char *p;
+
+	if (!*place) {                          /* update scanning pointer */
+		if (optind >= nargc || *(place = nargv[optind]) != '-') {
+			place = EMSG;
+			return(EOF);
+		}
+		if (place[1] && *++place == '-') {      /* found "--" */
+			++optind;
+			place = EMSG;
+			return(EOF);
+		}
+	}                                       /* option letter okay? */
+	if ((optopt = (int)*place++) == (int)':' ||
+	    !(oli = index(ostr, optopt))) {
+		/*
+		 * if the user didn't specify '-' as an option,
+		 * assume it means EOF.
+		 */
+		if (optopt == (int)'-')
+			return(EOF);
+		if (!*place)
+			++optind;
+		if (opterr) {
+			if (!(p = rindex(*nargv, '/')))
+				p = *nargv;
+			else
+				++p;
+			(void)fprintf(stderr, "%s: illegal option -- %c\n",
+			    p, optopt);
+		}
+		return(BADCH);
+	}
+	if (*++oli != ':') {                    /* don't need argument */
+		optarg = NULL;
+		if (!*place)
+			++optind;
+	}
+	else {                                  /* need an argument */
+		if (*place)                     /* no white space */
+			optarg = place;
+		else if (nargc <= ++optind) {   /* no arg */
+			place = EMSG;
+			if (!(p = rindex(*nargv, '/')))
+				p = *nargv;
+			else
+				++p;
+			if (opterr)
+				(void)fprintf(stderr,
+				    "%s: option requires an argument -- %c\n",
+				    p, optopt);
+			return(BADCH);
+		}
+		else                            /* white space */
+			optarg = nargv[optind];
+		place = EMSG;
+		++optind;
+	}
+	return(optopt);                         /* dump back option letter */
+}