- (djm) Pull in getopt(3) from OpenBSD libc for the optreset extension.

4 files changed, 140 insertions, 3 deletions

diff --git a/openbsd-compat/Makefile.in b/openbsd-compat/Makefile.in
index 33def512..3fd24145 100644
--- a/openbsd-compat/Makefile.in
+++ b/openbsd-compat/Makefile.in
@@ -1,4 +1,4 @@
-# $Id: Makefile.in,v 1.14 2001/06/29 12:32:32 mouring Exp $
+# $Id: Makefile.in,v 1.15 2001/07/14 03:22:54 djm Exp $
 
 sysconfdir=@sysconfdir@
 piddir=@piddir@
@@ -16,7 +16,7 @@ RANLIB=@RANLIB@
 INSTALL=@INSTALL@
 LDFLAGS=-L. @LDFLAGS@
 
-OPENBSD=base64.o bindresvport.o daemon.o dirname.o getcwd.o getgrouplist.o glob.o inet_ntoa.o mktemp.o readpassphrase.o realpath.o rresvport.o setenv.o setproctitle.o sigact.o strlcat.o strlcpy.o strmode.o strsep.o vis.o
+OPENBSD=base64.o bindresvport.o daemon.o dirname.o getcwd.o getgrouplist.o getopt.o glob.o inet_ntoa.o mktemp.o readpassphrase.o realpath.o rresvport.o setenv.o setproctitle.o sigact.o strlcat.o strlcpy.o strmode.o strsep.o vis.o
 
 COMPAT=bsd-arc4random.o bsd-cygwin_util.o bsd-misc.o bsd-nextstep.o bsd-snprintf.o bsd-waitpid.o fake-getaddrinfo.o fake-getnameinfo.o
 
diff --git a/openbsd-compat/getopt.c b/openbsd-compat/getopt.c
new file mode 100644
index 00000000..071e2788
--- /dev/null
+++ b/openbsd-compat/getopt.c
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 1987, 1993, 1994
+ *	The Regents of the University of California.  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.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
+ */
+
+#include "config.h"
+#if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET)
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char *rcsid = "$OpenBSD: getopt.c,v 1.2 1996/08/19 08:33:32 tholo Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int	opterr = 1,		/* if error message should be printed */
+	optind = 1,		/* index into parent argv vector */
+	optopt,			/* character checked for validity */
+	optreset;		/* reset getopt */
+char	*optarg;		/* argument associated with option */
+
+#define	BADCH	(int)'?'
+#define	BADARG	(int)':'
+#define	EMSG	""
+
+/*
+ * getopt --
+ *	Parse argc/argv argument vector.
+ */
+int
+getopt(nargc, nargv, ostr)
+	int nargc;
+	char * const *nargv;
+	const char *ostr;
+{
+	extern char *__progname;
+	static char *place = EMSG;		/* option letter processing */
+	char *oli;				/* option letter list index */
+
+	if (optreset || !*place) {		/* update scanning pointer */
+		optreset = 0;
+		if (optind >= nargc || *(place = nargv[optind]) != '-') {
+			place = EMSG;
+			return (-1);
+		}
+		if (place[1] && *++place == '-') {	/* found "--" */
+			++optind;
+			place = EMSG;
+			return (-1);
+		}
+	}					/* option letter okay? */
+	if ((optopt = (int)*place++) == (int)':' ||
+	    !(oli = strchr(ostr, optopt))) {
+		/*
+		 * if the user didn't specify '-' as an option,
+		 * assume it means -1.
+		 */
+		if (optopt == (int)'-')
+			return (-1);
+		if (!*place)
+			++optind;
+		if (opterr && *ostr != ':')
+			(void)fprintf(stderr,
+			    "%s: illegal option -- %c\n", __progname, 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 (*ostr == ':')
+				return (BADARG);
+			if (opterr)
+				(void)fprintf(stderr,
+				    "%s: option requires an argument -- %c\n",
+				    __progname, optopt);
+			return (BADCH);
+		}
+	 	else				/* white space */
+			optarg = nargv[optind];
+		place = EMSG;
+		++optind;
+	}
+	return (optopt);			/* dump back option letter */
+}
+
+#endif /* !defined(HAVE_GETOPT) || !defined(HAVE_OPTRESET) */
diff --git a/openbsd-compat/getopt.h b/openbsd-compat/getopt.h
new file mode 100644
index 00000000..51810b17
--- /dev/null
+++ b/openbsd-compat/getopt.h
@@ -0,0 +1,14 @@
+/* $Id: getopt.h,v 1.1 2001/07/14 03:22:54 djm Exp $ */
+
+#ifndef _GETOPT_H
+#define _GETOPT_H
+
+#include "config.h"
+
+#ifndef HAVE_GETOPT_H
+
+int getopt(int argc, char **argv, char *opts);
+
+#endif
+
+#endif /* _GETOPT_H */
diff --git a/openbsd-compat/openbsd-compat.h b/openbsd-compat/openbsd-compat.h
index 723da7b7..ca7871c0 100644
--- a/openbsd-compat/openbsd-compat.h
+++ b/openbsd-compat/openbsd-compat.h
@@ -1,4 +1,4 @@
-/* $Id: openbsd-compat.h,v 1.10 2001/06/29 12:32:33 mouring Exp $ */
+/* $Id: openbsd-compat.h,v 1.11 2001/07/14 03:22:54 djm Exp $ */
 
 #ifndef _OPENBSD_H
 #define _OPENBSD_H
@@ -25,6 +25,7 @@
 #include "getgrouplist.h"
 #include "glob.h"
 #include "readpassphrase.h"
+#include "getopt.h"
 
 /* Home grown routines */
 #include "bsd-arc4random.h"