1 files changed, 51 insertions, 0 deletions
diff --git a/tcpd/argparse.c b/tcpd/argparse.c
new file mode 100644
index 0000000..dcb56b4
--- /dev/null
+++ b/tcpd/argparse.c
@@ -0,0 +1,51 @@
+#include	"argparse.h"
+#include	<string.h>
+#include	<stdlib.h>
+#include	<stdio.h>
+
+/*
+** Copyright 2000 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+
+
+
+int argparse(int argc, char **argv, struct args *s)
+{
+int	argn=1;
+int	i;
+
+	while (argn < argc)
+	{
+	const char *p;
+	int	l=0;
+
+		if ( argv[argn][0] != '-')	break;
+		if ( argv[argn][1] == 0)
+		{
+			++argn;
+			break;
+		}
+		for (i=0; s[i].name; i++)
+		{
+			l=strlen(s[i].name);
+			if (strncmp(s[i].name, argv[argn]+1, l) == 0 &&
+				(argv[argn][l+1] == 0 ||
+				argv[argn][l+1] == '='))	break;
+		}
+		if (s[i].name == 0)
+		{
+			fprintf(stderr, "%s: Invalid option: %s\n",
+				argv[0], argv[argn]);
+			exit(1);
+		}
+		p=argv[argn]+1+l;
+		if (*p)	++p;
+		if (s[i].valuep)
+			*s[i].valuep=p;
+		else
+			(*s[i].funcp)(p);
+		++argn;
+	}
+	return (argn);
+}